OpenTechnical

OT-2026-000045396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000045396) never changes.

Identity and time

Publication numberOT-2026-000045396 · never reused
Internal UUID01a0ae7c-f76c-7f16-83bf-4acac0c64aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045396
StatusPUBLIC

Content hashes

Canonical texta15e6b8c1759e66d7cd96320e24fb206969413a26ad0546a556fc94c5be5f141
Markdowncb1d20d6c76c8b232361948cb5e0232bdab78913e8ed9b62a78f9cc92ea7f329
PDF
Publication page91e65aec0a2fecaf330a97587eec61a8e4d11426d0ac01d5900e4cee3c31b4bf
Manifestd9cd6ee4adabc448c13f9ee33acdfa41779b7521a017576fb202c2261269506f

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
Signatureemi7m+3rE8FV8rAsVc0VWa1hqjns0WoG1SeDFp8hosxDdYvSsoOwy8o3NzumE2Yylc6HtfUwhkJzU4G4dtw/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:40.827114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045396
observed 91e65aec0a2fecaf330a97587eec61a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.807400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045396/manifest.json
observed d9cd6ee4adabc448c13f9ee33acdfa41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.790055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045396/publication.md
observed cb1d20d6c76c8b232361948cb5e0232b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.771516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045396/publication.txt
observed a15e6b8c1759e66d7cd96320e24fb206...
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.