OpenTechnical

OT-2026-000085056

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000085056) never changes.

Identity and time

Publication numberOT-2026-000085056 · never reused
Internal UUID01a0ae99-43b8-71f0-b449-882d6c2eb6c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085056
StatusPUBLIC

Content hashes

Canonical texta897a9b1b67d0ee5deee5853d9f037242f3c3baade19cabb734d9fa44b82d7a2
Markdown274e6560dab4389ceb82ce6f1249f347c0c05e4360465e10e5fae999c7188e5f
PDF
Publication pagef4c03a36cf29476e6ecabb043063f758602276de3443705f43f2e180640052eb
Manifest8c5d1eb97cced4212fbf5af1c8f52b83d286d5e9d1dd551feaa852a5cc0ea1a4

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
SignatureJMfE7NIAXNLJfS6n8yCebtmodFDMkkeZmHiQD9XSsGmOQJPtz49CLLFJB4ea+U9v9oGr9GLSMg0FCpvMVMOUCg==
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

2026-09-17T09:55:04.606525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085056
observed f4c03a36cf29476e6ecabb043063f758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.588535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085056/manifest.json
observed 8c5d1eb97cced4212fbf5af1c8f52b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.571819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085056/publication.md
observed 274e6560dab4389ceb82ce6f1249f347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.554339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085056/publication.txt
observed a897a9b1b67d0ee5deee5853d9f03724...
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.