OpenTechnical

OT-2026-000003462

Publication integrity record

Shock absorbing rotary gear coupling

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-2026-000003462) never changes.

Identity and time

Publication numberOT-2026-000003462 · never reused
Internal UUID01a0a6c3-d75b-7716-b3c0-e5247a00d031 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:30:47.643850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003462
StatusPUBLIC

Content hashes

Canonical textc720c34f6973896e214230eebc8fb4996cf992bcca153c27d4502e128f84c1b3
Markdown30410051f53b9d2c1797bb6c8613825754356e2be8e0efa8dcc3e6b58a7eb0b4
PDF
Publication page7f8ec44a162b64214a9aa73c1a222410eb418057497b49a8d41b8b54a32185b1
Manifesta8fdeb6ec385f0d1eb8ae49d378eafe3ecd2a4c994c942ddc5590e4708acb92d

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
SignatureNqVCmSqTHcLRLSlsojgA8TxJB77zZy8EJ8BgAJthOte/FPZevVJmWQT8tP0RvXSvq7r5nTuI9kxTDg6DWno+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-10-27T04:24:02.008621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462
observed 7f8ec44a162b64214a9aa73c1a222410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-27T04:24:01.997052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/manifest.json
observed a8fdeb6ec385f0d1eb8ae49d378eafe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-27T04:24:01.984564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/publication.md
observed 30410051f53b9d2c1797bb6c86138257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-27T04:24:01.869073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/publication.txt
observed c720c34f6973896e214230eebc8fb499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-28T04:23:28.062942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462
observed 7f8ec44a162b64214a9aa73c1a222410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-28T04:23:28.051036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/manifest.json
observed a8fdeb6ec385f0d1eb8ae49d378eafe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-28T04:23:28.039030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/publication.md
observed 30410051f53b9d2c1797bb6c86138257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-28T04:23:27.985641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003462/publication.txt
observed c720c34f6973896e214230eebc8fb499...
fetched by instance-3.rotem.ai from 34.69.0.72, 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