OpenTechnical

OT-2026-000013734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013734) never changes.

Identity and time

Publication numberOT-2026-000013734 · never reused
Internal UUID01a0ae6d-8de9-71be-9f37-6f9a146363fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013734
StatusPUBLIC

Content hashes

Canonical text72baf5639070dfd38cad14577be828f6738f6d76c71a6a89d39222385694cd93
Markdowna15f1ee7d8144a1dd34f03f9782e9eb0672c9d2d17311661fa4ff168096b5070
PDF
Publication page3b784258b6291237e08713b71d756ad8ae6b8567d600fd5f7e966d699cd60c05
Manifest85587fee330240d1d17133cf4ec723a48a696a269154895d9663cbbf43b93ef0

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
SignaturetGiI6ao4/Vbcsyp/J/6/gEVW4Fq9JtgfA2eYHUgqko3zKWybVKWCXdKGeN65da00lqNjTuTrU5vIzb+jua+CCw==
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

2026-09-17T12:08:41.999847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013734
observed 3b784258b6291237e08713b71d756ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.981411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013734/manifest.json
observed 85587fee330240d1d17133cf4ec723a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.964397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013734/publication.md
observed a15f1ee7d8144a1dd34f03f9782e9eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.946000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013734/publication.txt
observed 72baf5639070dfd38cad14577be828f6...
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.