GoGuides Trust Record

Enter a domain to view its GoGuides Website Trust Record, including measured trust signals, canonical website URL, observation history, current trust state, trust record fingerprint, and crawl timing.

Current Trust Summary

This GoGuides Trust Record summarizes the current measured state for historycentral.com.

Trust Status

Policy blocked
First recorded by GoGuides: 2026-01-08 23:55:06

Public Eligibility

This domain is not eligible for positive trust display or machine-readable trust use.

Policy Reason

restricted essay assignment
Code: restricted_essay_assignment

Historical Grade

Not Available / Historical Rank 80

Crawl Freshness

Fresh
Last crawled 1 hour ago

Domain Provenance Record

6 measurements across 92 days

Stability Window

37 days

Trust Record

This domain is policy blocked. This Trust Record is shown for transparency and audit purposes only.

Policy blocked. Trust activation, badge publication, and positive machine-readable trust use are not available while this decision is active.

Canonical URL

https://historycentral.com/

Matched URL

https://historycentral.com/

AI Rank

Grade

Not Available

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://www.historycentral.com/

Observed Public IP Address

172.81.117.210

Observed Nameservers

ns39.worldnic.com, ns40.worldnic.com

Robots Access

Allowed
allowed

Page Robots Directive

Not observed

TLS Certificate

CN=YR1,O=Let's Encrypt,C=US
Valid 2026-08-03 18:20:56 to 2026-11-01 18:20:55

Observed Provenance States

1 stored state across 8 observations

Observed State Changes

Content: 0
Robots: 0
DNS: 0
TLS certificate: 0
Final URL: 0

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
https://historycentral.com/

Final URL
https://www.historycentral.com/

HTTP Status
200

Redirect Count
1

Content Type
text/html

Response Bytes
50,897

Canonical URL
Not observed

Observed Page Title
HistoryCentral â American & World History

Robots Access
Allowed

Robots Reason
allowed

Meta Robots
Not observed

X-Robots-Tag
Not observed

Observed Public IP Address(es)
172.81.117.210

Observed Nameservers
ns39.worldnic.com, ns40.worldnic.com

TLS Certificate Issuer
CN=YR1,O=Let's Encrypt,C=US

TLS Valid From
2026-08-03 18:20:56

TLS Valid Until
2026-11-01 18:20:55

First Observed
2026-08-08 23:38:35

Last Observed
2026-08-15 17:20:07

Identical-State Observations
8

▶ Show Cryptographic Evidence & SHA-256 Hashes ▼ Cryptographic Evidence & SHA-256 Hashes

                Title SHA-256

                08d88f119795506a88df15e5b892b00d8487badcbe783b4348f82b5ceb0e1911            

                Content SHA-256

                e69cd56b62bf7b74111e5d5c7aa6635a758a887246581841d6b531edd2c1f5b9            

                HTTP Body SHA-256

                615fb440fe1bb7bea8f3a2f7490f0b8778e83fd2db4460841064815ca670a440            

                robots.txt SHA-256

                cdaea20482496f741f7557e2a5046fea9e8fae5e0ccc0f526b5a3a406576329b            

                DNS State SHA-256

                553a354b0b64a3bebad2f33f804346a89df3c4132368d0dc51961434b0f6aa33            

                TLS Certificate SHA-256

                a79692ec7518d6a7fb7e77244c9ddf8162cb79432a407b3191a09799443dbe06            

                Complete Provenance State SHA-256

                66b546c4e649f7f307d56c9bbd24dc891f6189b89e736f931ce95bc664919b9f

View Machine-Readable Provenance JSON

First Seen by GoGuides

2026-01-08 23:55:06

Last Crawled by GoGuides

2026-08-15 17:20:07 (1 hour ago)

Last Record Refresh

2026-08-15 18:35:41 (just now)

Record Refresh Freshness

Fresh
Last refreshed just now

Stored Measurement Age

92 days

Trust Record Age

218 days ago

Stored Trust Measurements

Measurement Span

92 days across 6 stored measurements

Stability Window

37 days

Current Trust State Since

2026-07-09 00:43:51 (37 days ago)

Days Since Last Change

37 days

Rank/Algo State Changes

Trust Record Fingerprint (SHA-256)

60816619384591d8881332decd6bc36c93e3f3a0e7291631309cf86962e21845

Computed from: matched URL + rank + last crawled + algorithm version. This identifies the GoGuides trust record state; it is not domain-owner verification.

Provenance Observation History

This timeline shows when GoGuides recorded this trust state, including rank, crawl timing, algorithm version, and verification fingerprint.

Trust Favicon Not Available

This record is policy blocked and is shown for transparency only. GoGuides does not publish a positive trust favicon for this domain while this decision is active.

Related GoGuides AI Visibility & Trust Utilities

These GoGuides utilities work together: explain crawler activity, inspect AI visibility gaps, compare robots.txt with trust-layer signals, check verified text records, and activate a public Trust Signal when a domain is ready.

Why GoGuides Crawled My Site Are AI Bots Visiting My Site? Not Showing in ChatGPT? Is My Site Used by AI? Robots.txt vs Trust Layer Verified Text Search