OpenTechnical

OT-2026-000083594

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083594) never changes.

Identity and time

Publication numberOT-2026-000083594 · never reused
Internal UUID01a0ae98-0415-7d32-8764-52b604013785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083594
StatusPUBLIC

Content hashes

Canonical text9b4c8c195c6f8687ae53e1baef434ab68478776b3d17ee05ac0905b3a2886907
Markdown4d334757b2136949427ee14637e69cd51033763e994f3ff3a303322861cefa12
PDF
Publication page30196961491f5081fbc96d605b468e94d156be7bf463777928a84d1304f935ca
Manifest43e6703f62b4dd32dedad598ccd3bd9af9c0f30c0487977a999b6e7d16c68723

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
SignaturenLsqW8hQC0zE4vq87en82UilW4HjZi2dhOUUugu4qPnrMipMMrjeCB7O+LvMCjNvd+8l3s9IFmeke7HyzL5PAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:05.253589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083594
observed 30196961491f5081fbc96d605b468e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.237476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083594/manifest.json
observed 43e6703f62b4dd32dedad598ccd3bd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.221338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083594/publication.md
observed 4d334757b2136949427ee14637e69cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.203520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083594/publication.txt
observed 9b4c8c195c6f8687ae53e1baef434ab6...
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.