OpenTechnical

OT-2026-000032660

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000032660) never changes.

Identity and time

Publication numberOT-2026-000032660 · never reused
Internal UUID01a0ae75-1070-7a4a-97a7-7dd0d1618d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032660
StatusPUBLIC

Content hashes

Canonical text161110a7e76c756d31e48c7563418b22200ba40502e375c1dee18c00d8b10571
Markdown9ecdbcd05afe0be68b43c20d24694c19e247441ca279ab1ca3311630e65ec8ac
PDF
Publication page3d139d27bfec3221e2015208b517e241565b1ea3cb145f8368fa59a3934caf6a
Manifest34be1f4a3ec6da2160a3c479d863901f385d761bb37429f7ebd7f04aababaf66

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
SignatureBmVoH8S7zJyELkp5NTSKWfQdB6GCCD5Ah8O06UIHpZLl1Wpr4OWr5REmPQ9rKALgDAG5jJhvcYjw0USLx3ZIAg==
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

2026-09-17T11:34:15.433541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032660
observed 3d139d27bfec3221e2015208b517e241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.400773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032660/manifest.json
observed 34be1f4a3ec6da2160a3c479d863901f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.382992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032660/publication.md
observed 9ecdbcd05afe0be68b43c20d24694c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.357294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032660/publication.txt
observed 161110a7e76c756d31e48c7563418b22...
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.