OpenTechnical

OT-2026-000075558

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000075558) never changes.

Identity and time

Publication numberOT-2026-000075558 · never reused
Internal UUID01a0ae94-29fc-784a-ac0f-96c3c5a82b84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075558
StatusPUBLIC

Content hashes

Canonical text2a3d2461eed1a03e8a95b7f238046854983b5a3466fa48a1ec5ed2cd252d0048
Markdown9d4aa119043fe6fa9b3329c2c995a645f9e49acc6cd7a237427e74255d87d0d6
PDF
Publication page6434147e06705375e10eb4bbea2234e1861eb19b5dadad0709b0ec6aafa19844
Manifest24f1f76162bc430a5320710e56da56329fe45b33f3290ca893ce9dcb258062c9

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
SignatureDIRPHh+v7O+bY2TjcAPleF+UUjCk5aaS/eRMUmHB9hZZEg37LTA1R+KogebZC25vLciLP51ltlyk1SPeua8oAQ==
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

2026-09-17T10:13:07.315833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075558
observed 6434147e06705375e10eb4bbea2234e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.294606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075558/manifest.json
observed 24f1f76162bc430a5320710e56da5632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.275134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075558/publication.md
observed 9d4aa119043fe6fa9b3329c2c995a645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.256533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075558/publication.txt
observed 2a3d2461eed1a03e8a95b7f238046854...
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.