OpenTechnical

OT-2026-000083190

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083190) never changes.

Identity and time

Publication numberOT-2026-000083190 · never reused
Internal UUID01a0ae97-c963-70c2-9fb2-8ea60cac34dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083190
StatusPUBLIC

Content hashes

Canonical textcef06f5ff2ce6ecab8422388f4eac1068cf5a13e13e6654e9f468c67199c23d0
Markdowna83c9316c2a184623e4701c87e1b78cfa07eed79fc8f6c5c2b9fb659ca038bd6
PDF
Publication page4d54d5b94e35f09d57e00322e08fa6b80915b06f8737e2458ac3dc87ac29c9c4
Manifestf1a97780da4d5f3aad66d9542fb2156236a0be4cd3adaca4b408ade8ce66f322

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
SignatureBFFyNjJ4oZjyhmnFLA3HWLRBigRBojte6QBRDyAesO9HWH9KU1QXcKuhzwWHQGSM1fs1F+fdkNmfDkJsJsLQAA==
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

2026-09-17T09:01:01.070165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083190
observed 4d54d5b94e35f09d57e00322e08fa6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.929300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083190/manifest.json
observed f1a97780da4d5f3aad66d9542fb21562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.911217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083190/publication.md
observed a83c9316c2a184623e4701c87e1b78cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.892340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083190/publication.txt
observed cef06f5ff2ce6ecab8422388f4eac106...
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.