OpenTechnical

OT-2026-000075022

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000075022) never changes.

Identity and time

Publication numberOT-2026-000075022 · never reused
Internal UUID01a0ae93-ac2d-769a-9d34-75187f1b735b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075022
StatusPUBLIC

Content hashes

Canonical text44a23283213c8cc8f7591ff9c46c0aa92e8b55fe86222aa356d271e4f29893c8
Markdown7a6e7633807cccaabbd8beef49fc7ed1960c11e0bf9b6fa942b2dc10990bf478
PDF
Publication pagedbd5b54313ac755bac203e934887a12c23f90d6cde17788c73e7d887bd4baa8c
Manifestb93a868b04c25b6aeef1f92bd093fea43d47a29b4197dc7014863fa35711a275

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
Signatureq3/KMUFMRDjb+V3NLjYvI5XwL9h9yBal8HAWMyk3dzEspKzgI1iuwx7aYA3g+q1G/kxNbLsOWpqmNjmfqPPGCA==
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

2026-09-17T10:18:50.094224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075022
observed dbd5b54313ac755bac203e934887a12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.077458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075022/manifest.json
observed b93a868b04c25b6aeef1f92bd093fea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.060690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075022/publication.md
observed 7a6e7633807cccaabbd8beef49fc7ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.043621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075022/publication.txt
observed 44a23283213c8cc8f7591ff9c46c0aa9...
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.