OpenTechnical

OT-2026-000076725

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076725) never changes.

Identity and time

Publication numberOT-2026-000076725 · never reused
Internal UUID01a0ae94-b06f-777d-9222-05881dc0e9e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076725
StatusPUBLIC

Content hashes

Canonical textc7d2b1035515ce575c4b5470ffc00e23785722fe19e81415e0c89e6948b13458
Markdown3ee4f600112c18422b42ceff7cd9bdd9c6e375269ad62938a7be6996748bdfa2
PDF
Publication pagecbf2b4c3f22de6658641a632e407fb92835fe805ab5816396ee8445cb334ebb1
Manifestabadaf9ad650c3a1e32f149a27ee08620c5e29b12d254c46b985abf38bba918b

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
Signaturexo537L0LZCZHAljyRCuKgSnLx5qewIyLC7rdUHG+SqQLKJjwY1Rq1ddUs7BLeGH2L58s5uEyJAbeeYqa2Xu8Cg==
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

2026-09-17T10:09:30.375212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076725
observed cbf2b4c3f22de6658641a632e407fb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.356756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076725/manifest.json
observed abadaf9ad650c3a1e32f149a27ee0862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.336578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076725/publication.md
observed 3ee4f600112c18422b42ceff7cd9bdd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.314648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076725/publication.txt
observed c7d2b1035515ce575c4b5470ffc00e23...
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.