OpenTechnical

OT-2026-000000922

Publication integrity record

Safety Barrier Apparatus for Flatbed Loading and Unloading

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-2026-000000922) never changes.

Identity and time

Publication numberOT-2026-000000922 · never reused
Internal UUID01a0a674-020e-7643-9c49-526af00a6a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:35.694366Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000922
StatusPUBLIC

Content hashes

Canonical text5913180cb804a30c12160eb0fd37aa0c888ae5c2c0497fadb41853d05b36c5f5
Markdowne7f7b9248d2ee30543d18b49d188e29ba5463d694c408f65ddb1183fcb0a2af3
PDF
Publication pagebcd834a48e6470ed02250924defb7bb37f924fff7caf9eb2b213e1ea5d66b67f
Manifest2ed3e6bd7f44418a2861b0c97dff61032daff6a4cbfc47ea9cfbc62b46c1fdb8

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
SignaturevJtUUnHJuRsLUUMvSR6TFMS1ycyq00McGHv/ReJkHTbXpxhRT6dQJHdC8RmWK+cxKmOkMl3/D7HqtBXsQYuTCw==
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

2026-10-09T08:41:09.651536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922
observed bcd834a48e6470ed02250924defb7bb3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T08:41:09.572619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922/manifest.json
observed 2ed3e6bd7f44418a2861b0c97dff6103...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T08:41:09.495540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922/publication.md
observed e7f7b9248d2ee30543d18b49d188e29b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T08:41:09.354702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922/publication.txt
observed 5913180cb804a30c12160eb0fd37aa0c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:19.453857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922
observed bcd834a48e6470ed02250924defb7bb3...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:19.424595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922/manifest.json
observed 2ed3e6bd7f44418a2861b0c97dff6103...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:19.410910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000922/publication.txt
observed 5913180cb804a30c12160eb0fd37aa0c...
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