OpenTechnical

OT-2026-000069901

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, 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-2026-000069901) never changes.

Identity and time

Publication numberOT-2026-000069901 · never reused
Internal UUID01a0ae91-1860-7703-9ed7-e5d913ba8930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069901
StatusPUBLIC

Content hashes

Canonical texteb9fcfc0db1034c0448e0d2cb8927ec18eaa0b11c4d07ae3d141ac6868545fc4
Markdowncd60c27537003e1349f0205247fac2e6515104812af0af950a4a4e1c61c6af97
PDF
Publication page55721dd02281aa3922c55b202d2b39d0cc20d9c680c6dccf26397ce064e100ed
Manifest706ec93ae51fffd37997b830a1d5606bf3be36c297956a61a93e12dda7896d77

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
SignatureuTCJ+M/Zk+ltLZRObTWo7OsZ7XxIQNwmoeWj5oXHCtoDLK1V83r0P9KmnImn33Lup96rTwkArVvL460iSO8TBw==
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

2026-09-17T10:26:44.190364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069901
observed 55721dd02281aa3922c55b202d2b39d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.170138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069901/manifest.json
observed 706ec93ae51fffd37997b830a1d5606b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.151084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069901/publication.md
observed cd60c27537003e1349f0205247fac2e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.134047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069901/publication.txt
observed eb9fcfc0db1034c0448e0d2cb8927ec1...
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.