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stacks.math.columbia.edu Open in urlscan Pro
128.59.222.85  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://stacks.math.columbia.edu/
Effective URL: https://stacks.math.columbia.edu/
Submission: On May 10 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 7 IPs in 3 countries across 7 domains to perform 40 HTTP transactions. The main IP is 128.59.222.85, located in New York, United States and belongs to COLUMBIA-GW, US. The main domain is stacks.math.columbia.edu.
TLS certificate: Issued by InCommon RSA Server CA on October 3rd 2023. Valid for: a year.
This is the only time stacks.math.columbia.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
22 128.59.222.85 14 (COLUMBIA-GW)
3 104.18.11.207 13335 (CLOUDFLAR...)
7 104.17.24.14 13335 (CLOUDFLAR...)
1 2a04:4e42::649 54113 (FASTLY)
2 2606:50c0:800... 54113 (FASTLY)
3 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
40 7
22    128.59.222.85 (New York, United States)

ASN14 (COLUMBIA-GW, US)
PTR: math.columbia.edu
stacks.math.columbia.edu
3    104.18.11.207 (None, )

ASN13335 (CLOUDFLARENET, US)
maxcdn.bootstrapcdn.com
7    104.17.24.14 (None, )

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    2a04:4e42::649 (United States)

ASN54113 (FASTLY, US)
code.jquery.com
2    2606:50c0:8002::153 (United States)

ASN54113 (FASTLY, US)
gitcdn.github.io
3    2a00:1450:4001:81c::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
Apex Domain
Subdomains		 Transfer
22 columbia.edu
stacks.math.columbia.edu
38 KB
7 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 237
43 KB
3 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 33
2 KB
3 bootstrapcdn.com
maxcdn.bootstrapcdn.com — Cisco Umbrella Rank: 1103
56 KB
2 gstatic.com
fonts.gstatic.com
39 KB
2 github.io
gitcdn.github.io — Cisco Umbrella Rank: 36533
2 KB
1 jquery.com
code.jquery.com — Cisco Umbrella Rank: 776
30 KB
40 7
Domain Requested by
22 stacks.math.columbia.edu stacks.math.columbia.edu
7 cdnjs.cloudflare.com stacks.math.columbia.edu
cdnjs.cloudflare.com
3 fonts.googleapis.com stacks.math.columbia.edu
3 maxcdn.bootstrapcdn.com stacks.math.columbia.edu
2 fonts.gstatic.com fonts.googleapis.com
2 gitcdn.github.io stacks.math.columbia.edu
1 code.jquery.com stacks.math.columbia.edu
40 7

This site contains links to these domains. Also see Links.

Domain
www.math.columbia.edu
github.com
Subject Issuer Validity Valid
*.math.columbia.edu
InCommon RSA Server CA		 2023-10-03 -
2024-10-02		 a year crt.sh
bootstrapcdn.com
GTS CA 1P5		 2024-03-27 -
2024-06-25		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-07-03 -
2024-07-02		 a year crt.sh
*.jquery.com
Sectigo RSA Domain Validation Secure Server CA		 2023-07-11 -
2024-07-14		 a year crt.sh
*.github.io
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2024-03-15 -
2025-03-14		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2024-04-16 -
2024-07-09		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2024-04-16 -
2024-07-09		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://stacks.math.columbia.edu/
Frame ID: 838675266A474EC9CA584991C77BBC6F
Requests: 40 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Index—The Stacks project

Page URL History Show full URLs

  1. http://stacks.math.columbia.edu/ HTTP 307
    https://stacks.math.columbia.edu/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • <script [^>]*src="[^"]*/popper\.js/([0-9.]+)
  • /popper\.js/([0-9.]+)
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

40
Requests

100 %
HTTPS

57 %
IPv6

7
Domains

7
Subdomains

7
IPs

3
Countries

211 kB
Transfer

564 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://stacks.math.columbia.edu/ HTTP 307
    https://stacks.math.columbia.edu/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

40 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
stacks.math.columbia.edu/
Redirect Chain
  • http://stacks.math.columbia.edu/
  • https://stacks.math.columbia.edu/
8 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
5540367ffb291c5621a699a561cc6569f99b1885cab26badf259e849fe0dffd7

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Connection
Keep-Alive
Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Fri, 10 May 2024 04:23:46 GMT
Keep-Alive
timeout=5, max=100
Server
Apache/2.4.29 (Ubuntu)
Transfer-Encoding
chunked
Vary
Accept-Encoding

Redirect headers

Location
https://stacks.math.columbia.edu/
Non-Authoritative-Reason
HttpsUpgrades
bootstrap.min.css
maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/ 		141 KB
22 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2c0f3dcfe93d7e380c290fe4ab838ed8cadff1596d62697f5444be460d1f876d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
cdn-edgestorageid
752
age
4962170
cdn-cachedat
10/31/2023 18:48:44
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:04 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"450fc463b8b1a349df717056fbb3e078"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
4b11a73f68fb50e6fe2c95e478032d09
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
881727e3fe58365d-FRA
cdn-requestpullsuccess
True
style.css
stacks.math.columbia.edu/static/css/ 		7 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://stacks.math.columbia.edu/static/css/style.css
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
d407100db4d885c42d0fd9be950846d976f508859923ddb3d0cf0d3a58c3ca7f

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Fri, 18 May 2018 11:28:10 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526642890.6408207-7225-494277693-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
7225
Expires
Fri, 10 May 2024 16:23:46 GMT
print.css
stacks.math.columbia.edu/static/css/ 		599 B
1018 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://stacks.math.columbia.edu/static/css/print.css
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
26b6415874e6315563663702e32e2f406f2b3c288b3e1140d9b73da014cf7132

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:15:48 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321748.2639484-599-489821241-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
599
Expires
Fri, 10 May 2024 16:23:46 GMT
MathJax.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/ 		62 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c987e781b10abf844435f183bcd52a253a8615c29fdf534911ef4e4e79cc1f76
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
100624
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
16916
last-modified
Mon, 04 May 2020 16:13:06 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f12-f66b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=i3dl5%2FS%2BM%2B6t5Xy5f%2F3%2B5NAJoHhhuwkgDTzsl50v4FIXThvAvOUz9vzqSsijFiNjS8vAUmoiI9mf1oqj82RvjawMlf6hIB8Dx%2F1Kj%2B0kgbz8bGDWFXbSRYHPq8OVvLmLpMZecpEB"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727e68f4271d1-FRA
expires
Wed, 30 Apr 2025 04:23:46 GMT
jquery-3.6.0.min.js
code.jquery.com/ 		87 KB
30 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://code.jquery.com/jquery-3.6.0.min.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::649 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
ff1523fb7389539c84c65aba19260648793bb4f5e29329d2ee8804bc37a3fe6e

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
1171207
x-cache
HIT, HIT
content-length
30875
x-served-by
cache-lga21931-LGA, cache-fra-etou8220040-FRA
last-modified
Fri, 18 Oct 1991 12:00:00 GMT
server
nginx
x-timer
S1715315027.574352,VS0,VE0
etag
W/"28feccc0-15d9d"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=604800
accept-ranges
bytes
x-cache-hits
1, 313964
popper.min.js
cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/ 		19 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a52f7aa54d7bcaafa056ee0a050262dfc5694ae28dee8b4cac3429af37ff0d66
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
112507
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
6157
last-modified
Mon, 04 May 2020 16:15:37 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03fa9-4af4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=%2F88OFsNP%2BQi75Fffuw1TtKK8F8nNhWaW%2FxWmHtK9xWlcMgpa9ZjFibEK5PQiEwoccr5ZhtEwMb%2B9Rdfzdr9sK3ME9sIJM6MMFg7E2KFxOAFs7i6X8KcRQCS4F4Cli8Gmv6cADSe0"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727e3fe2871d1-FRA
expires
Wed, 30 Apr 2025 04:23:46 GMT
bootstrap.min.js
maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/ 		48 KB
15 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e7ed36ceee5450b4243bbc35188afabdfb4280c7c57597001de0ed167299b01b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
cdn-edgestorageid
1048
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
2715879
cdn-cachedat
03/18/2024 12:46:36
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:04 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"14d449eb8876fa55e1ef3c2cc52b0c17"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
2cc945f22f16712efcb741e534dd58fc
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
881727e3fe57365d-FRA
cdn-requestpullsuccess
True
bootstrap-toggle.min.css
gitcdn.github.io/bootstrap-toggle/2.2.2/css/ 		2 KB
736 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://gitcdn.github.io/bootstrap-toggle/2.2.2/css/bootstrap-toggle.min.css
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8002::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
ac3597e97ae646db56c9505e3e19aba479e767510f98ce96411425ea1d21ec9f

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
e29635070a5d822522efc4b5c7f91ff1820e0ec4
date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
9
age
352
x-cache
HIT
x-proxy-cache
HIT
content-length
548
x-served-by
cache-fra-eddf8230110-FRA
last-modified
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server
GitHub.com
x-github-request-id
B35C:263237:14C573D:1533BDD:661E2230
x-timer
S1715315027.581391,VS0,VE1
etag
W/"56eb25bf-636"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
permissions-policy
interest-cohort=()
accept-ranges
bytes
expires
Tue, 16 Apr 2024 07:10:47 GMT
bootstrap-toggle.min.js
gitcdn.github.io/bootstrap-toggle/2.2.2/js/ 		4 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://gitcdn.github.io/bootstrap-toggle/2.2.2/js/bootstrap-toggle.min.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8002::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
799360060bad2c8e3bacace97d48e2fdd0fdb7a2d1b36808dd8a9729da033a6a

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
84f7d2f5ddc871f1c7cf80319d78b3b9e53152a3
date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
9
age
352
x-cache
HIT
x-proxy-cache
MISS
content-length
1331
x-served-by
cache-fra-eddf8230110-FRA
last-modified
Thu, 17 Mar 2016 21:46:39 GMT
server
GitHub.com
x-github-request-id
F8A8:276F3C:1D1A5A1:1DB45F2:662763CA
x-timer
S1715315027.581346,VS0,VE1
etag
W/"56eb25bf-1021"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
permissions-policy
interest-cohort=()
accept-ranges
bytes
x-origin-cache
HIT
expires
Tue, 23 Apr 2024 07:41:22 GMT
search.svg
stacks.math.columbia.edu/static/images/ 		924 B
1 KB 		Image
General
Check archive.org
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Full URL
https://stacks.math.columbia.edu/static/images/search.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
3c6fa183bebae130f322706c4d18abf583641cee2f9765282c30a24e2159d7d3

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:16:10 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321770.5719478-924-1905661366"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
924
Expires
Fri, 10 May 2024 16:23:46 GMT
list-ordered.svg
stacks.math.columbia.edu/static/images/ 		2 KB
2 KB 		Image
General
Check archive.org
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Full URL
https://stacks.math.columbia.edu/static/images/list-ordered.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:16:07 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321767.703948-1806-4229765134"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
1806
Expires
Fri, 10 May 2024 16:23:46 GMT
info.svg
stacks.math.columbia.edu/static/images/ 		1 KB
2 KB 		Image
General
Check archive.org
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Full URL
https://stacks.math.columbia.edu/static/images/info.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
66c1b970a838fab7b7a08c07fb23db2286b320ed458ab8e308085ceda348fe7d

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:16:08 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321768.1639478-1371-1180701932"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
1371
Expires
Fri, 10 May 2024 16:23:47 GMT
blog.svg
stacks.math.columbia.edu/static/images/ 		767 B
1 KB 		Image
General
Check archive.org
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Full URL
https://stacks.math.columbia.edu/static/images/blog.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
ba4a15da4c25c091edc25f945bfaee1db1328c0da983673dc7221414126472cf

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:55 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321755.659948-767-1177031908"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
767
Expires
Fri, 10 May 2024 16:23:47 GMT
bibliography.svg
stacks.math.columbia.edu/static/images/ 		1019 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://stacks.math.columbia.edu/static/images/bibliography.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
672af009a33fa3160db885c20c10dd691d359aab0828e15439daed51fba0a316

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:54 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321754.8519483-1019-4250146876"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
1019
Expires
Fri, 10 May 2024 16:23:47 GMT
github.svg
stacks.math.columbia.edu/static/images/ 		1 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://stacks.math.columbia.edu/static/images/github.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:58 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321758.071948-1351-1910642115"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=95
Content-Length
1351
Expires
Fri, 10 May 2024 16:23:47 GMT
comments.svg
stacks.math.columbia.edu/static/images/ 		935 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://stacks.math.columbia.edu/static/images/comments.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
2c7bb5ab0e34dfadce2599ab4024dfbfed4a34627ecc1dd40c9d17eb4046cfc3

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:56 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321756.4479482-935-2670728870"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
935
Expires
Fri, 10 May 2024 16:23:47 GMT
diff.svg
stacks.math.columbia.edu/static/images/ 		874 B
1 KB 		Image
General
Check archive.org
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Full URL
https://stacks.math.columbia.edu/static/images/diff.svg
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
b5b3a1802189dd6291294d8ddd2c217dc27f8657d53752ad07f464e224719cbd

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:57 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321757.2879481-874-1172837593"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
874
Expires
Fri, 10 May 2024 16:23:47 GMT
bootstrap.bundle.min.js
maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/ 		68 KB
20 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.bundle.min.js
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4490f15bcd903912985c78ba0b1d4abbc94f7eec240c8050685676d071b13d74
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:46 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
cdn-edgestorageid
1075
age
4956973
cdn-cachedat
09/19/2023 20:09:08
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:03 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"85bef1b86b877db4b17ea8bae3eb7cd3"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
4c1d784293813505cd058b75816ef1c1
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
881727e6889e365d-FRA
cdn-requestpullsuccess
True
css
fonts.googleapis.com/ 		399 B
387 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Droid+Sans
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
a223914b609aaa3c2d68053df6070902531718c71746e5b6d646b89b13d7f6ed
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 10 May 2024 02:42:33 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 10 May 2024 04:23:46 GMT
css
fonts.googleapis.com/ 		414 B
731 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Droid+Sans+Mono
Requested by
Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
d04ab8b0eccc5a02c228921fa6a2f9d90d55b992e114a85098f34254bd0d7736
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 10 May 2024 02:48:57 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 10 May 2024 04:23:46 GMT
css
fonts.googleapis.com/ 		1 KB
579 B 		Stylesheet
General
Check archive.org
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https://fonts.googleapis.com/css?family=Inconsolata
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
4b5878c0cc92fb626e893883d88e0c090bf50ef790f486a462c1a446622113fb
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Fri, 10 May 2024 04:23:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 10 May 2024 04:17:10 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 10 May 2024 04:23:46 GMT
bibliography.css
stacks.math.columbia.edu/static/css/ 		664 B
1 KB 		Stylesheet
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
33ebb5f4cdc047018d49b59f7a14474160d6cdce32a2612184332a1ee27fc54c

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:15:46 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321746.9479485-664-3049985800-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
664
Expires
Fri, 10 May 2024 16:23:46 GMT
browse.css
stacks.math.columbia.edu/static/css/ 		43 B
460 B 		Stylesheet
General
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https://stacks.math.columbia.edu/static/css/browse.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
e4965dcb23b0be9a3d4816a34e87561a1627e89098892c4b23dfee5194341bab

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:15:46 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321746.9159484-43-835327134-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
43
Expires
Fri, 10 May 2024 16:23:46 GMT
comments.css
stacks.math.columbia.edu/static/css/ 		629 B
1 KB 		Stylesheet
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https://stacks.math.columbia.edu/static/css/comments.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
48ad1b5667ce54e185ec2ab5a0db82fb37b655b8d8bb96230a45862ecfa9a881

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Sat, 19 May 2018 02:38:08 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526697488.0996091-629-1549473138-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
629
Expires
Fri, 10 May 2024 16:23:46 GMT
search.css
stacks.math.columbia.edu/static/css/ 		1 KB
2 KB 		Stylesheet
General
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https://stacks.math.columbia.edu/static/css/search.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
c74f14b27cb9abfb0fecd31f64aed424ed377d95098420a143431b071400ce18

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Sat, 18 Apr 2020 13:41:54 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1587217314.6203945-1171-823858306-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
1171
Expires
Fri, 10 May 2024 16:23:46 GMT
tag.css
stacks.math.columbia.edu/static/css/ 		5 KB
5 KB 		Stylesheet
General
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https://stacks.math.columbia.edu/static/css/tag.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
82fcf678a7221557fc0d24bd7ded05c3d7f3c03b61f687562f7bde745ebe1293

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Fri, 12 Apr 2019 12:47:34 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1555073254.9515107-4655-4097250120-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=96
Content-Length
4655
Expires
Fri, 10 May 2024 16:23:46 GMT
toc.css
stacks.math.columbia.edu/static/css/ 		308 B
728 B 		Stylesheet
General
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https://stacks.math.columbia.edu/static/css/toc.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
f0e19e7dd79a536a66992dfcb75f1fcd49b638dff4257022a37b6ae2189a272a

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:15:50 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321750.0519483-308-4101444434-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
308
Expires
Fri, 10 May 2024 16:23:46 GMT
tree.css
stacks.math.columbia.edu/static/css/ 		487 B
906 B 		Stylesheet
General
Check archive.org
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https://stacks.math.columbia.edu/static/css/tree.css
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
56d2e6727a73d2a8828a4c3a6731680825dbc791cbeab13ae39426bc3e1fdd18

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:46 GMT
Last-Modified
Mon, 14 May 2018 18:15:50 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321750.7759483-487-142283708-gzip"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
487
Expires
Fri, 10 May 2024 16:23:46 GMT
stacks.png
stacks.math.columbia.edu/static/ 		251 B
629 B 		Image
General
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https://stacks.math.columbia.edu/static/stacks.png
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
d20be21c625f7b3c3734c266d434d82ec9f16ce895c144206a15b9f2e662d499

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:07 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321707.2999492-251-3800306457"
Content-Type
image/png
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
251
Expires
Fri, 10 May 2024 16:23:47 GMT
icon.github.png
stacks.math.columbia.edu/static/images/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://stacks.math.columbia.edu/static/images/icon.github.png
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Host: stacks.math.columbia.edu
URL: https://stacks.math.columbia.edu/static/css/style.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
22ed95ff774cee8427c86b60288af4077b3b26424c758bec95a34aa8b7a88937

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/static/css/style.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:16:05 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321765.9559479-2625-3806926735"
Content-Type
image/png
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=94
Content-Length
2625
Expires
Fri, 10 May 2024 16:23:47 GMT
SlGVmQWMvZQIdix7AFxXkHNSbQ.woff2
fonts.gstatic.com/s/droidsans/v18/ 		21 KB
21 KB 		Font
General
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https://fonts.gstatic.com/s/droidsans/v18/SlGVmQWMvZQIdix7AFxXkHNSbQ.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Droid+Sans
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
7a291479495fbb281655d5e870c6d118dc6b7ed18e8c235aef5974c1e9de4e6c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://fonts.googleapis.com/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 06 May 2024 13:55:46 GMT
x-content-type-options
nosniff
age
311281
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
21224
x-xss-protection
0
last-modified
Tue, 19 Apr 2022 18:04:18 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Tue, 06 May 2025 13:55:46 GMT
QldgNThLqRwH-OJ1UHjlKENVzkWGVkL3GZQmAwLYxYWI2qfdm7Lpp4U8WR32lw.woff2
fonts.gstatic.com/s/inconsolata/v32/ 		17 KB
18 KB 		Font
General
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Full URL
https://fonts.gstatic.com/s/inconsolata/v32/QldgNThLqRwH-OJ1UHjlKENVzkWGVkL3GZQmAwLYxYWI2qfdm7Lpp4U8WR32lw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Inconsolata
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b8293f6a4b7a557268b083c68c43f190304a43f755b85af21a57221fd9805663
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://fonts.googleapis.com/
Origin
https://stacks.math.columbia.edu
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 07 May 2024 07:56:40 GMT
x-content-type-options
nosniff
age
246427
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
17732
x-xss-protection
0
last-modified
Thu, 14 Sep 2023 00:51:07 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 07 May 2025 07:56:40 GMT
config.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/jax/input/TeX/ 		1 KB
1 KB 		Script
General
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https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/jax/input/TeX/config.js?V=2.7.0
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
11b95cd83e1b798b29186eda7343f2ea8ffbd3293ee1da1f3b120f5f162ab94a
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:47 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
4163905
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
551
last-modified
Mon, 04 May 2020 16:13:07 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f13-4ed"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=1jyve8QX4%2B9qmebZyFg0Be3g%2FMqgMGGJfiSS3pRrEtRQTzD8RhtCCKnCFP2DUzyVwsyT9jP1josDRytF2GJaZS6BFEm6YjxqHedwdnslmOaQmOOH0trpL4xl9vOg9kpk3xZ7HP9Y"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727e6fec9994e-FRA
expires
Wed, 30 Apr 2025 04:23:47 GMT
config.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/jax/output/HTML-CSS/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/jax/output/HTML-CSS/config.js?V=2.7.0
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b290037c72b5272a0157bc2509ced80276ffd990e21fb041c5b28233ed43ab17
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:47 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
98951
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
1371
last-modified
Mon, 04 May 2020 16:13:07 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f13-df2"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zjBCSewz7APZkmi6wrcpaQJDLvg5s8jB%2FSqIUV1DUMBPvbu7SZ5npnyKuYyf6lI8oWh0VDq6Bmmcu%2FyOJ29Bru4noWNd%2FaHleloHyhbjtksHworvexoo%2Fe%2FkV4tD3X6NBaG8YWPu"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727e6fec7994e-FRA
expires
Wed, 30 Apr 2025 04:23:47 GMT
tex2jax.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/tex2jax.js?V=2.7.0
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
db72240f44937abe75a46f040ba39d216c7c4d78fec02366b0daa05e4af7437c
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:47 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
633060
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
2304
last-modified
Mon, 04 May 2020 16:13:06 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f12-1b42"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=KU5odaLIg2v8u%2FRNvlnUP62PuV3a6QI1q5x5SpuV2BTC%2BtboUmL0Su%2FXaxpNpnzkv3qSOpXqLO%2FeXXy7VlxQnD7VwyFdxZCmJ0D5c2MjZwGO%2BhvUJf%2FsRf9HvLQNyZPHzUyi%2Bl4D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727e6fec8994e-FRA
expires
Wed, 30 Apr 2025 04:23:47 GMT
stacks.ico
stacks.math.columbia.edu/static/ 		326 B
719 B 		Other
General
Check archive.org
Download Go to
Full URL
https://stacks.math.columbia.edu/static/stacks.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
9dbcf5d1ddcfbafc84ffddb38e84fe3c0e6d2dba94c7c97c6ed11423ad01a005

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:06 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321706.9359493-326-3798012687"
Content-Type
image/vnd.microsoft.icon
Cache-Control
public, max-age=43200
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
326
Expires
Fri, 10 May 2024 16:23:47 GMT
stacks.ico
stacks.math.columbia.edu/static/ 		326 B
0 		Other
General
Check archive.org
Download Go to
Full URL
https://stacks.math.columbia.edu/static/stacks.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.59.222.85 New York, United States, ASN14 (COLUMBIA-GW, US),
Reverse DNS
math.columbia.edu
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
9dbcf5d1ddcfbafc84ffddb38e84fe3c0e6d2dba94c7c97c6ed11423ad01a005

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 10 May 2024 04:23:47 GMT
Last-Modified
Mon, 14 May 2018 18:15:06 GMT
Server
Apache/2.4.29 (Ubuntu)
ETag
"1526321706.9359493-326-3798012687"
Content-Type
image/vnd.microsoft.icon
Cache-Control
public, max-age=43200
Accept-Ranges
bytes
Content-Length
326
Expires
Fri, 10 May 2024 16:23:47 GMT
MathMenu.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/ 		37 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/MathMenu.js?V=2.7.0
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1d0e2e9d58948c360a8bc4e23193ececbae54d5a54ca1c54a364eb112b94738d
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:48 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
1892562
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
10261
last-modified
Mon, 04 May 2020 16:13:06 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f12-9564"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=KvVqq1IWk24g8oTzV9ub0DiWOIqM%2BQPpaqwWZGz0qwm4oABnGjJlA6KBCJaclrbl9k3dSVq9KzByNr6YbVWwg855O0B8WqbjabQqpJ0gE2%2BcUTNvNKuWQ9PP%2FQ8Zm%2BdTeu5XpA0x"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727eeaae7994e-FRA
expires
Wed, 30 Apr 2025 04:23:48 GMT
MathZoom.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/ 		8 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/extensions/MathZoom.js?V=2.7.0
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
92dce7a429ced77145fd7310b6866e0416a1c53cff8295e853ca427f95ef4491
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://stacks.math.columbia.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 10 May 2024 04:23:49 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
2438149
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
2612
last-modified
Mon, 04 May 2020 16:13:06 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f12-21d6"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=7KKTqN3HtVnNx8IfNwO%2F2Keg9VzOVlM8JsxEaxZEsYoSPDepedaQrqxodyP6S%2BzbyONOwHxR%2BqIwYQtmHTqdklFwopQsSaVCbqzhcSzv07tnRh3A%2BBjqpTJcbmmEsT2K5kRq3GGd"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
881727f4edbc994e-FRA
expires
Wed, 30 Apr 2025 04:23:49 GMT

Verdicts & Comments Add Verdict or Comment

5 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

function| $ function| jQuery function| Popper object| bootstrap object| MathJax

0 Cookies

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cdnjs.cloudflare.com
code.jquery.com
fonts.googleapis.com
fonts.gstatic.com
gitcdn.github.io
maxcdn.bootstrapcdn.com
stacks.math.columbia.edu
104.17.24.14
104.18.11.207
128.59.222.85
2606:50c0:8002::153
2a00:1450:4001:812::2003
2a00:1450:4001:81c::200a
2a04:4e42::649
0eeb0fec27056b67006d74db42c48b24afaf03e14e6376ae904ab4f578201051
11b95cd83e1b798b29186eda7343f2ea8ffbd3293ee1da1f3b120f5f162ab94a
1d0e2e9d58948c360a8bc4e23193ececbae54d5a54ca1c54a364eb112b94738d
22ed95ff774cee8427c86b60288af4077b3b26424c758bec95a34aa8b7a88937
26b6415874e6315563663702e32e2f406f2b3c288b3e1140d9b73da014cf7132
2c0f3dcfe93d7e380c290fe4ab838ed8cadff1596d62697f5444be460d1f876d
2c7bb5ab0e34dfadce2599ab4024dfbfed4a34627ecc1dd40c9d17eb4046cfc3
33ebb5f4cdc047018d49b59f7a14474160d6cdce32a2612184332a1ee27fc54c
3c6fa183bebae130f322706c4d18abf583641cee2f9765282c30a24e2159d7d3
4490f15bcd903912985c78ba0b1d4abbc94f7eec240c8050685676d071b13d74
48ad1b5667ce54e185ec2ab5a0db82fb37b655b8d8bb96230a45862ecfa9a881
4b5878c0cc92fb626e893883d88e0c090bf50ef790f486a462c1a446622113fb
5540367ffb291c5621a699a561cc6569f99b1885cab26badf259e849fe0dffd7
56d2e6727a73d2a8828a4c3a6731680825dbc791cbeab13ae39426bc3e1fdd18
66c1b970a838fab7b7a08c07fb23db2286b320ed458ab8e308085ceda348fe7d
672af009a33fa3160db885c20c10dd691d359aab0828e15439daed51fba0a316
799360060bad2c8e3bacace97d48e2fdd0fdb7a2d1b36808dd8a9729da033a6a
7a291479495fbb281655d5e870c6d118dc6b7ed18e8c235aef5974c1e9de4e6c
82fcf678a7221557fc0d24bd7ded05c3d7f3c03b61f687562f7bde745ebe1293
92dce7a429ced77145fd7310b6866e0416a1c53cff8295e853ca427f95ef4491
9dbcf5d1ddcfbafc84ffddb38e84fe3c0e6d2dba94c7c97c6ed11423ad01a005
a223914b609aaa3c2d68053df6070902531718c71746e5b6d646b89b13d7f6ed
a52f7aa54d7bcaafa056ee0a050262dfc5694ae28dee8b4cac3429af37ff0d66
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b8293f6a4b7a557268b083c68c43f190304a43f755b85af21a57221fd9805663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