OpenTechnical

OT-2026-000038979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000038979) never changes.

Identity and time

Publication numberOT-2026-000038979 · never reused
Internal UUID01a0ae78-76a0-7528-84f3-1db7c41c1767 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038979
StatusPUBLIC

Content hashes

Canonical text84f0de40f1eaeed8a4210d1bdea6b6d33efd8ce8944d57f39aa294da09d52461
Markdowna4d8653b3efdd2fe30311a7743d6d7096b04baef3e347de9ad5dd14bf8959a34
PDF
Publication pageec497e6b2d43647da2dbaebc52492ac0f6cf9cc9099534820963def62812155f
Manifest02aa24c850ef8064c8f31c086e6a152b0e6e4c9b289741df8d66dd6e3dde057c

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
Signatureo6ElXEY8wxtAXG7iq4FBbANT5PHNcz7XnztK8kiBq8iADecm4y4uzwqGflDxE6STLgJCcOPQDOvB5YxYYaPiAQ==
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

2026-09-17T11:22:15.626551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038979
observed ec497e6b2d43647da2dbaebc52492ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.609125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038979/manifest.json
observed 02aa24c850ef8064c8f31c086e6a152b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.588784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038979/publication.md
observed a4d8653b3efdd2fe30311a7743d6d709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.568437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038979/publication.txt
observed 84f0de40f1eaeed8a4210d1bdea6b6d3...
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.