OpenTechnical

OT-2026-000074283

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000074283) never changes.

Identity and time

Publication numberOT-2026-000074283 · never reused
Internal UUID01a0ae93-7178-7635-80d7-67dfd7bc535d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074283
StatusPUBLIC

Content hashes

Canonical text362f0c67112ba1d04474d645345810cc827e48695e98763f071d801e8c655a8a
Markdown75736924a05616a6a8b2cc802fb564030e25a6e3bddc29f9322afca447e13dfc
PDF
Publication pagea91a0e845d806d4c23d21abbae8ae891b8f0faf474d1c62fa7010322f17b2158
Manifestec28649e1c9a6431d4254585feac95f4adea8a2569f31351c9034159418a17a6

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
SignaturePGgf89mnGS1qze77/oFV37PDOhztc163J8bDTnrYYAPMqpWaRFv9hUK0lOldGeUIioegIs1AtxJwQ5vJCzhPDA==
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

2026-09-17T10:19:11.475479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074283
observed a91a0e845d806d4c23d21abbae8ae891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.457963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074283/manifest.json
observed ec28649e1c9a6431d4254585feac95f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.438193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074283/publication.md
observed 75736924a05616a6a8b2cc802fb56403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.418213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074283/publication.txt
observed 362f0c67112ba1d04474d645345810cc...
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.