OpenTechnical

OT-2026-000074564

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074564) never changes.

Identity and time

Publication numberOT-2026-000074564 · never reused
Internal UUID01a0ae93-717b-77ef-862b-24f3a7d88056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074564
StatusPUBLIC

Content hashes

Canonical text555a8834c69b2d081ebce76a75e615793616c17a6d5c400337512f1ec32efed1
Markdownef55c631f3a256984743cf439b63264e3a8a95cd5bd34821c8336c2de3b1cecc
PDF
Publication page7b83b5844a630387cb05459a6fc773d7d82ba6cb436f11656ff07166ed8e3592
Manifeste1679f22d8c38a8866ccb610d6bede584ff8b98c687ad3c98bf2c1ab4bbd7a0e

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
Signature7TSpxCGqpmMvr0Lq+31DyqHTG84FrVlNgTyAX1tfwrla96R+K3Pv9v9sr2HfvlU/F+V822ypoonLsmCGvTX2Bw==
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

2026-09-17T10:19:34.772083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074564
observed 7b83b5844a630387cb05459a6fc773d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.754923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074564/manifest.json
observed e1679f22d8c38a8866ccb610d6bede58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.734450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074564/publication.md
observed ef55c631f3a256984743cf439b63264e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.714000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074564/publication.txt
observed 555a8834c69b2d081ebce76a75e61579...
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.