OpenTechnical

OT-2026-000003213

Publication integrity record

Quick release chuck device

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-2026-000003213) never changes.

Identity and time

Publication numberOT-2026-000003213 · never reused
Internal UUID01a0a69f-11fc-71ce-8063-1ee1049bcd64 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:50:37.820515Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003213
StatusPUBLIC

Content hashes

Canonical textc80f2edbb5d662d132a3d69b1fc59debc691371ee57e3e805409206c08b6d110
Markdown6edb049748a47bb6ff58e233bf815a5cae0ab3d88109dc9d0941b9a25902b29e
PDF
Publication page25875171d0b467e07bd8dec0c51d2582e34d343d9298e42ac5bb3d7d8d1aafa2
Manifest8e3761b6339640a4003ee66bb4dad2461ab3e7038b72b9007f8f66546d3095f0

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
SignatureHVGNcWqcyGkr0wG+D+/Pem3NkpvTVvj2W+bRQsGh84nM8W6e6W73rSgwBSRejBpJDv8QwSrBzrARP0mYLJPwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T20:00:10.397483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003213
observed 25875171d0b467e07bd8dec0c51d2582...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:10.245881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003213/manifest.json
observed 8e3761b6339640a4003ee66bb4dad246...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:10.233444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003213/publication.txt
observed c80f2edbb5d662d132a3d69b1fc59deb...
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