OpenTechnical

OT-2026-000003176

Publication integrity record

Spiral drive system for threaded fasteners

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-2026-000003176) never changes.

Identity and time

Publication numberOT-2026-000003176 · never reused
Internal UUID01a0a699-32a2-7a0e-b816-76af1ba3d657 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:44:12.962458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003176
StatusPUBLIC

Content hashes

Canonical text2b76bafb1d42e1fe2e1bf14db219ab360cd295a4eba19396f41aa196e2e6d777
Markdown36edfcda03f3e1ad8d1bf38a8b41bb64372a65ec6f86f74fa9ef66c2468688d3
PDF
Publication page0b05b0aebf246a8d760b74ac4d96bbe9487a2a21d4e83f5f5ecbb3533b1dfe8d
Manifest2a1a12c83ec6a52eb6584192e80d18dc63e2742b97b54daf8c4f5b5da33cc992

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
Signature79d8doinSX04meC8j7OF6gkoIL2ARv/qPEqCBU/MDnCI1WVvCYoKQ6hel/ATVh99AxAMtRQVQlP+E6Jrgje6CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-10-24T20:41:41.225240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176
observed 0b05b0aebf246a8d760b74ac4d96bbe9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:41.174495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176/manifest.json
observed 2a1a12c83ec6a52eb6584192e80d18dc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:41.120912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176/publication.md
observed 36edfcda03f3e1ad8d1bf38a8b41bb64...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T20:41:40.961419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176/publication.txt
observed 2b76bafb1d42e1fe2e1bf14db219ab36...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:50:05.869519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176
observed 0b05b0aebf246a8d760b74ac4d96bbe9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:05.843107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176/manifest.json
observed 2a1a12c83ec6a52eb6584192e80d18dc...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:05.832448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003176/publication.txt
observed 2b76bafb1d42e1fe2e1bf14db219ab36...
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