OpenTechnical

OT-2026-000076219

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000076219) never changes.

Identity and time

Publication numberOT-2026-000076219 · never reused
Internal UUID01a0ae94-6a6f-795d-b5b7-584a98dba2cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076219
StatusPUBLIC

Content hashes

Canonical texta5c7e57851d0128b94c086d7c73f7be80d22c3e661c744db5e5fb982be92288b
Markdown9bc522bfd38ecfacb7e41e0f984b8b27d708dc5b35466f11d2ddd4342150aef1
PDF
Publication pageab8e807bec910e5d357691a6f522617c3e8f78ede97abc242fda8c12422afc97
Manifest366d1b8d36d94a791e27c53a5f3f25098d8290ca89b872ad7eb98d2e9c047f25

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
SignatureNUPfcapG8guQze2v4RWCHDFKATXuaAsHg1Kya7OEFrx2bfPG6LHQgoILATrmIErK/cK2pBg31c+ptBnCR3pXCw==
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

2026-09-17T10:11:36.711430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076219
observed ab8e807bec910e5d357691a6f522617c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.693297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076219/manifest.json
observed 366d1b8d36d94a791e27c53a5f3f2509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.555763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076219/publication.md
observed 9bc522bfd38ecfacb7e41e0f984b8b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.535713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076219/publication.txt
observed a5c7e57851d0128b94c086d7c73f7be8...
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.