Domain Provenance Record: sandiegohistory.org

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Website Trust Record sandiegohistory.org

Current Trust Summary

GoGuides observations for sandiegohistory.org: 12 retained provenance observations. First recorded by GoGuides: 2026-01-08 23:55:26. Earliest retained provenance observation: 2026-09-17 16:22:06. Latest retained provenance observation: 2026-10-05 12:27:25. Stored provenance state records: 12.

Record Status
Public record
First recorded by GoGuides: 2026-01-08 23:55:26
Public Profile Display
Normal public profile display permitted by current GoGuides policy.
Current Grade
A / AI Rank 73
Crawl Freshness
Aging
Last crawled 21 days ago
Domain Provenance Record
12 measurements across 17 days
Stability Window
21 days

Trust Record

Public Trust Record for sandiegohistory.org.
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GOGUIDES
Public Trust Record
Rank: A • View Details
favicon
Canonical URL
https://sandiegohistory.org/
Matched URL
http://www.sandiegohistory.org/
AI Rank
73
Grade
A
Domain Provenance Timeline
Independent GoGuides observations showing when this domain was first recorded, how long it has been observed, and when its recorded state changed.
Observed Web & Network State
Objective state captured by GoGuides during its domain observation. These fields describe what GoGuides observed and are separate from AI Rank or Grade.
HTTP Status
200
Observed Final URL
https://sandiegohistory.org/gallery/
Observed Public IP Addresses
104.21.41.42, 172.67.159.250, 2606:4700:3033::6815:292a, 2606:4700:3033::ac43:9ffa
Observed Nameservers
jasmine.ns.cloudflare.com, roan.ns.cloudflare.com
Robots Access
Allowed
allowed
Page Robots Directive
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
TLS Certificate
CN=WE1,O=Google Trust Services,C=US
Valid 2026-09-20 18:32:13 to 2026-12-19 19:30:55
Observed Provenance States
12 stored states across 12 observations
Observed State Changes
Content: 11
Robots: 0
DNS: 0
TLS certificate: 1
Final URL: 9
Observed Evidence Details
These are objective observations recorded by the GoGuides crawler. They are separate from GoGuides AI Rank, Grade, or other interpretation.
Observation Type
Full Page Observation
Requested URL
http://www.sandiegohistory.org/gallery/
Final URL
https://sandiegohistory.org/gallery/
HTTP Status
200
Redirect Count
1
Content Type
text/html; charset=UTF-8
Response Bytes
177,660
Canonical URL
https://sandiegohistory.org/gallery/
Observed Page Title
Photograph Collection - San Diego History Center | San Diego, CA | Our City, Our Story
Robots Access
Allowed
Robots Reason
allowed
Meta Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
X-Robots-Tag
Not observed
Observed Public IP Address(es)
104.21.41.42, 172.67.159.250, 2606:4700:3033::6815:292a, 2606:4700:3033::ac43:9ffa
Observed Nameservers
jasmine.ns.cloudflare.com, roan.ns.cloudflare.com
TLS Certificate Issuer
CN=WE1,O=Google Trust Services,C=US
TLS Valid From
2026-09-20 18:32:13
TLS Valid Until
2026-12-19 19:30:55
First Observed
2026-10-05 12:27:25
Last Observed
2026-10-05 12:27:25
Identical-State Observations
1
▶ Show Cryptographic Evidence & SHA-256 Hashes ▼ Cryptographic Evidence & SHA-256 Hashes
Title SHA-256
bfd4cee6ff71249dd32a60b4e69620118216345ed214442cdf756385f878a179
Content SHA-256
8cc8bc5464f07e6aad927d7429ce0fff2fa29a7fc9ab854870a948230b243947
HTTP Body SHA-256
6fa226155cd6f1c3367e094749e10310e03c9566f80b27fa89abdf0e2f392707
robots.txt SHA-256
a880dde69246a90ca2ee620546b729269709148e2b4bd7f56545137f789174d5
DNS State SHA-256
aec22882283154a56b5e1abe007babe55ff509cd14ca15a236bb9408056de87d
TLS Certificate SHA-256
b740286714619bb15ea1a012c7568084c1d3d07dd30de1aa6e6df2610569edc2
Complete Provenance State SHA-256
7f86bc5235b9484309041a4ca360a7c589426576807b617a65c41440d3b83d61
View Machine-Readable Provenance JSON
First Seen by GoGuides
2026-09-17 16:22:06
Last Crawled by GoGuides
2026-10-05 12:27:12 (21 days ago)
Last Provenance Observation
2026-10-05 12:27:25 (21 days ago)
Provenance Freshness
Aging
Last observed 21 days ago
Observed History Age
17 days
Trust Record Age
290 days ago
Provenance Observations
12
Observation Span
17 days across 12 observations
Stability Window
21 days
Current Trust State Since
2026-10-05 12:27:25 (21 days ago)
Days Since Last Change
21 days
Rank/Algo State Changes
11
Trust Record Fingerprint (SHA-256)
d3860473e68e702123b65a03d70c59bca1077ec661875c8127333350b731a689
Computed from: matched URL + rank + last crawled + algorithm version. This identifies the GoGuides trust record state; it is not domain-owner verification.

Record-State Favicon Previews

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