OpenTechnical

OT-2026-000003195

Publication integrity record

Sealed straight line gripper

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-2026-000003195) never changes.

Identity and time

Publication numberOT-2026-000003195 · never reused
Internal UUID01a0a69b-ffeb-745e-8b4b-184d9c81de13 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:47:16.587472Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003195
StatusPUBLIC

Content hashes

Canonical text7385f6437f72b767a85a9f79c84287fc94472f1d56f1dde347ead472a3cbbd0e
Markdown2f791d47ae4d6629aff206f5e1cbb5c0996fb96c135a68b5c7d34996cba5a65e
PDF
Publication page1cdfe47b54c95e6c477ee0ffad27942b8676e0454fe78ec8d419c2a03864215d
Manifeste583afbb3da67d9c7551da1c974f7ce7305797dc5d9d348588fb091f62e81fd7

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
SignatureFBJ3TqgQh4M85pOoyAEjSrIMEScGPrUnkD+2ai1CJoKZ1Shx+LIVTKBoaQSwOeEdd1lBdm7bYaw4SHHOrXfWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T19:50:03.671355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003195
observed 1cdfe47b54c95e6c477ee0ffad27942b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:03.643714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003195/manifest.json
observed e583afbb3da67d9c7551da1c974f7ce7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:03.630438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003195/publication.txt
observed 7385f6437f72b767a85a9f79c84287fc...
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