OpenTechnical

OT-2026-000000451

Publication integrity record

Direction-reversing detent structure for ratchet wrenches

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-2026-000000451) never changes.

Identity and time

Publication numberOT-2026-000000451 · never reused
Internal UUID01a0a673-5f41-7a08-94eb-e876b70deb43 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:54.017442Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000451
StatusPUBLIC

Content hashes

Canonical text9c150055e4db6366ad4d1dc147f0ad8ff5f8acdc6fc0158e69a1050e0bd50f17
Markdown8c66ba9018e58f657967c3309f2304853b1722049d37cb50e6d48b7f322c13dd
PDF
Publication pagef506572479eb39efb1f16bc4aca2d4e952c8fc96b993da68d1bf94b2ffcf6d20
Manifestf8fcadf8e6e83e38741fd4a49219925cfb5efbab6ae9bc2853d43295b84b6841

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
SignatureqjmBny8SJaziuG5zxSrQ7xV5CIgA8d0c/6jZlCo4+xjR9VctGfH7MKsgdWBDfdlhkpJ/cXbGMaOm4OPmSSwDDQ==
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

2026-09-15T20:50:08.281446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000451
observed f506572479eb39efb1f16bc4aca2d4e9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:08.246574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000451/manifest.json
observed f8fcadf8e6e83e38741fd4a49219925c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:08.113386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000451/publication.txt
observed 9c150055e4db6366ad4d1dc147f0ad8f...
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