OpenTechnical

OT-2026-000003481

Publication integrity record

Magnetic gripping apparatus

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-2026-000003481) never changes.

Identity and time

Publication numberOT-2026-000003481 · never reused
Internal UUID01a0a6c6-17b4-7f32-88a9-23e851e6293e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:33:15.188702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003481
StatusPUBLIC

Content hashes

Canonical textd39ab62e28d35429ab205a50c254280277f41e8d2080c5bea243ddd0537a3efc
Markdown83e7089df7fea754afd28f77e738cad4bf707a13623820006a1c79218d9db986
PDF
Publication pagefde252b529b7b922b92a4f18e6a7367b01449d93c21c17460d1837a76b7ee838
Manifest3621fc2e5c2b35a92a7d845a6d4541745e2fa6baa7875bc9ec69a534a9acab77

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
SignatureZ+pqyrGu6MQVrNGLt4vL2IuGgCXrdGo5pnU2WTNXpBm0LNV5i7kX6t3UF8zRiVWVmlf6qfs0nCTN9tvqSUTzCA==
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

2026-09-15T20:40:04.972206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003481
observed fde252b529b7b922b92a4f18e6a7367b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:04.820877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003481/manifest.json
observed 3621fc2e5c2b35a92a7d845a6d454174...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:04.809645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003481/publication.txt
observed d39ab62e28d35429ab205a50c2542802...
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