OpenTechnical

OT-2026-000066891

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000066891) never changes.

Identity and time

Publication numberOT-2026-000066891 · never reused
Internal UUID01a0ae8f-14fd-77c8-a11a-5b9078aa813b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066891
StatusPUBLIC

Content hashes

Canonical text76ae2175b16e8aaab70ac0a21822e1e59bb88d96a7261dd15ea6b8aca8fbc892
Markdown14e3151a708a9d4cb4cb8b340b35672477606ff45f8dc4622cf0550f2ffec742
PDF
Publication page38512f11021841cb372f231aa0b29cd317042b0ef92c4ca3ae44c9aa0b347ec0
Manifest868277ba1e92739f4c7164558291e22c28d556a6a4d4b46d69c51bd2349dd566

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
SignatureMYRnBm3vLrxTvV1m3NeoYhY8AuJ/19zBCaISlLOYn9wTcxWbF4j0FEvajSjJs6Nyk78imtoJCPLyoJ3QolmCAw==
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

2026-09-17T10:32:05.507908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066891
observed 38512f11021841cb372f231aa0b29cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.489640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066891/manifest.json
observed 868277ba1e92739f4c7164558291e22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.470524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066891/publication.md
observed 14e3151a708a9d4cb4cb8b340b356724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.452210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066891/publication.txt
observed 76ae2175b16e8aaab70ac0a21822e1e5...
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.