OpenTechnical

OT-2026-000000701

Publication integrity record

Gas exhaust apparatus and intake line automatic closing apparatus used for gas exhaust apparatus

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-2026-000000701) never changes.

Identity and time

Publication numberOT-2026-000000701 · never reused
Internal UUID01a0a673-b710-76ae-b54e-99b0fb2fdf9f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:16.496771Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000701
StatusPUBLIC

Content hashes

Canonical textd5793dd484b4fd2b6fe1f93103a49ac4aa9af7faf645a655a87a46008bb8fdda
Markdown73316632c6a3c1e75b2749f9e987e5bc76bc29422019b6ce373c2cb7f5c34699
PDF
Publication pagebaa620909945dbf93b70005e31366db06d90e10d1f4f866dd7692806be8937c4
Manifestcb76538111aa5bdc62d5b35fc756d0be5611c26a619c26ee5d6b4e79f0665614

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
SignaturergSvBE9zvTgoVA/ouW/+JtqA1Kgvot23Iia6yVMbSr+4iwzuisaKXy2BKL9gsBYiL72VK1aayIArGpYyZgQ1CQ==
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

2026-09-28T12:41:28.250286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701
observed baa620909945dbf93b70005e31366db0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:28.189607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701/manifest.json
observed cb76538111aa5bdc62d5b35fc756d0be...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:28.114564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701/publication.md
observed 73316632c6a3c1e75b2749f9e987e5bc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:28.012734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701/publication.txt
observed d5793dd484b4fd2b6fe1f93103a49ac4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:14.269279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701
observed baa620909945dbf93b70005e31366db0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:14.239553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701/manifest.json
observed cb76538111aa5bdc62d5b35fc756d0be...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:14.224607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000701/publication.txt
observed d5793dd484b4fd2b6fe1f93103a49ac4...
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