OpenTechnical

OT-2026-000000616

Publication integrity record

End effector of a humanoid robot

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-2026-000000616) never changes.

Identity and time

Publication numberOT-2026-000000616 · never reused
Internal UUID01a0a673-9d29-738d-bf3f-415e989bc356 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:09.865491Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000616
StatusPUBLIC

Content hashes

Canonical text8cfff9e8ec67a6a728f6592dc96a0ce7b89b845031c264f0b49830177c3a9682
Markdown828992751b2475486467fce80c2d70c9ede5682615b56bafa35eee6f0f305d76
PDF
Publication page55ad8ee2dade7b248e191fef2a162e80299a9d98363f2e4c288c791c1d9b722e
Manifest63d247ba0f0430237326525befeb6c28ef9c4ca717d830efc46d40a68c62cd10

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
SignaturejBO8rvQ9LCXPCE06fU/BZvITTKAXaPKB7oCu6yQkAW/FQY7ZKag1OCYtSG1i4NlAEHLPuWowV1SLP8yNWYWxDQ==
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

2026-09-15T20:40:23.977586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000616
observed 55ad8ee2dade7b248e191fef2a162e80...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:23.825009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000616/manifest.json
observed 63d247ba0f0430237326525befeb6c28...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:23.811927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000616/publication.txt
observed 8cfff9e8ec67a6a728f6592dc96a0ce7...
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