OpenTechnical

OT-2026-000000489

Publication integrity record

Grid survey module

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000000489) never changes.

Identity and time

Publication numberOT-2026-000000489 · never reused
Internal UUID01a0a673-6d81-7509-8a5c-279d249b2608 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:57.665785Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000489
StatusPUBLIC

Content hashes

Canonical texte9cc67138143735e78bf446bdafc3963ca2539a50e3a70ecb7309a893dfdfc23
Markdownb7a449d31a8da747e059ff4f4415461db66ad4b6e87be861431151e28036d695
PDF
Publication page9427453de5c2f85527d575f600bf91c020d490c2a65974ebec2f8fb3ce8612c1
Manifest15448c674c63adf7297d2b1adf80bf019bfd675119b1da891a78c7d69929be00

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturel3Lxy4Pa+c8o+kdgEjgVVudVXxcAUdwKueBqv8x3jwPQ+IinamQttMx8jdGRlJ9aoIk22m3yHshFBobU9S0MDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:50:03.563995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000489
observed 9427453de5c2f85527d575f600bf91c0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:03.535664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000489/manifest.json
observed 15448c674c63adf7297d2b1adf80bf01...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:03.519936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000489/publication.txt
observed e9cc67138143735e78bf446bdafc3963...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent