OpenTechnical

OT-2026-000000672

Publication integrity record

Vent box baffle insert

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-2026-000000672) never changes.

Identity and time

Publication numberOT-2026-000000672 · never reused
Internal UUID01a0a673-add5-7e80-9ade-dd47ce8f570d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:14.133551Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000672
StatusPUBLIC

Content hashes

Canonical text017b6f85d0681e41533fe17b3a0d2f17893295e10b428037abb6f3b95b93843b
Markdown5fe5224f8342a80797138b3144cc8a7cfeb4ce5099b71fd5c2e141cb4bb77250
PDF
Publication pagecb2358ff3c70d5482340109506892a27c612efbd1146a2982141e75d45af9e49
Manifestace2672d585e08f604cd033e7e459194a0e85d2639948d8b7b11acb54dd179a5

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
SignatureA2YHq19+QKVuAfybcZrTtsCQUxjCoJCPofIOzKeNWaSqjebJFY1WOy60F3+fMkZs/LEfY8DY7Cun2fqwe2jaAQ==
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

2026-09-16T16:41:36.947758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672
observed cb2358ff3c70d5482340109506892a27...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:36.811982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672/manifest.json
observed ace2672d585e08f604cd033e7e459194...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:36.649544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672/publication.md
observed 5fe5224f8342a80797138b3144cc8a7c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:36.481257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672/publication.txt
observed 017b6f85d0681e41533fe17b3a0d2f17...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.750837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672
observed cb2358ff3c70d5482340109506892a27...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.719300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672/manifest.json
observed ace2672d585e08f604cd033e7e459194...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.586287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000672/publication.txt
observed 017b6f85d0681e41533fe17b3a0d2f17...
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