OpenTechnical

OT-2026-000037439

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000037439) never changes.

Identity and time

Publication numberOT-2026-000037439 · never reused
Internal UUID01a0ae77-b8ce-7d23-bc9f-ff2c57b982a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037439
StatusPUBLIC

Content hashes

Canonical text9d70436316368ed0db7d7ad940acf0aa11093fe0b5c7612d2cc335cbc3a7c1b7
Markdown6e4d96ffd40c433f4b93324efea7a6d45ceb46158cbe5c1d8d4a56452dd27272
PDF
Publication pagee4a431d57a84048444d9d0dca5a499c5f5183a2a3fe0c7e8b0f7a210eafd3758
Manifest23b2a9aa2f92188300c0285cb2abbdeee3f59ad52bb7140b4fddb386f0e31430

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
SignatureCY38ujMTi1aqJfixszjO/CMQViy1NYZ1n2VNTKK0yKYBF+QrNYyW3wdKygdnk+AUveoHM21uL9oRvsq7di6kAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:31.505316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037439
observed e4a431d57a84048444d9d0dca5a499c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.488840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037439/manifest.json
observed 23b2a9aa2f92188300c0285cb2abbdee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.471579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037439/publication.md
observed 6e4d96ffd40c433f4b93324efea7a6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.453263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037439/publication.txt
observed 9d70436316368ed0db7d7ad940acf0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.