OpenTechnical

OT-2026-000003491

Publication integrity record

Method and apparatus for part pickup

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-2026-000003491) never changes.

Identity and time

Publication numberOT-2026-000003491 · never reused
Internal UUID01a0a6c7-246b-7d3d-aadc-5fe00f7c6389 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:34:23.979349Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003491
StatusPUBLIC

Content hashes

Canonical text36a63a18d5aab5ef8f69f61d519319a55641c5b3c991bb6f3366e155ed209135
Markdown85ec1f13d6c30b5981dc15d6ee84ab72c9d71cc9f3f64eaac159d8f2845f6424
PDF
Publication pageacc968741f0c096c8217678965e3469f8e43993afe5d34185e9250e4be888251
Manifeste1ce3f94784c0b314d71828d6e35098e39ecc07e4fcd02507e237459839473df

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
SignatureIPw6tqBZZcUAluSbiDtkkrSHbV79DwTPqbD1s+mD5teQb0VLmH0R+p6ZLn+uiG0ByBIAJHKSGnPkiqxONRjHBQ==
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

2026-09-15T20:40:03.334522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003491
observed acc968741f0c096c8217678965e3469f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:03.304100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003491/manifest.json
observed e1ce3f94784c0b314d71828d6e35098e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:03.078404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003491/publication.txt
observed 36a63a18d5aab5ef8f69f61d519319a5...
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