OpenTechnical

OT-2026-000093594

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000093594) never changes.

Identity and time

Publication numberOT-2026-000093594 · never reused
Internal UUID01a0ae9e-508b-7d1e-8317-e9e4fd4df4c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093594
StatusPUBLIC

Content hashes

Canonical textc605b0be32bbdda8ba587723c78d51c1a4ae5b2b47dad5e1198ac4cfc14d02e3
Markdowna931da0c44906f7f118ad8c4388790d898108398f8d3fd1eafc7546bad7d2a80
PDF
Publication pagecf9f0356f2b1aa2cd2c6bcbbbae4bc734cb5745168af58db60ea02b4593cc903
Manifest2c8496f63a1b6180ba953cfa3bd19422bf627a3fda5b229175e8ebd390d19171

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
SignatureWO2dawU5814QzfP8AEQBn7d8+S1i/ivaSwZeTmxmrKn+n79YIrbyjU5gyglVqrieqMIRRQe5nbVTs8tWUCWCCA==
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

2026-09-17T09:39:38.013993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093594
observed cf9f0356f2b1aa2cd2c6bcbbbae4bc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.996728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093594/manifest.json
observed 2c8496f63a1b6180ba953cfa3bd19422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.978531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093594/publication.md
observed a931da0c44906f7f118ad8c4388790d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.960717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093594/publication.txt
observed c605b0be32bbdda8ba587723c78d51c1...
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.