OpenTechnical

OT-2026-000031429

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000031429) never changes.

Identity and time

Publication numberOT-2026-000031429 · never reused
Internal UUID01a0ae74-87ad-7453-8621-dfa69725495f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031429
StatusPUBLIC

Content hashes

Canonical textf0729913bad47704fda2082d42d7d9f5d0c0a5d5bc57204c4e7fd5ee3b61c960
Markdownf7d3d2ba89baea9c42ed48dbe48bc4215061021d5bb93e63a511c2574685f04c
PDF
Publication page4a44ccc7dbae2d267c91b1e7732be36eca977acff3e2a3110633a0de2cf90a7d
Manifest3b33d5070b232ae340f45aa2feeda1d0a9340eba174a47a9c4808b5956e4f48a

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
Signature2AoH/7lGAeUnL0TWeaMI8TWC8Xfr6BrwoGpol+qBIjxelC3IngEhJQuu5T8vp+dOL6kAA3zg5TwEM/d1xWhyDQ==
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

2026-09-17T11:36:08.952596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031429
observed 4a44ccc7dbae2d267c91b1e7732be36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.933178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031429/manifest.json
observed 3b33d5070b232ae340f45aa2feeda1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.912927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031429/publication.md
observed f7d3d2ba89baea9c42ed48dbe48bc421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.893676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031429/publication.txt
observed f0729913bad47704fda2082d42d7d9f5...
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.