OpenTechnical

OT-2026-000032304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000032304) never changes.

Identity and time

Publication numberOT-2026-000032304 · never reused
Internal UUID01a0ae75-106d-7291-b6cc-63cda2a34ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032304
StatusPUBLIC

Content hashes

Canonical text98510df70d15afbb587f96d6aabd49005153d02d4ff61f3d2571b1107452cdf0
Markdown33d890f72a2161cabed3b39521084e694f2363593bbc20f281e73dd9bba97a18
PDF
Publication pagec66d53bdad94c33e51854d8722e2e8eb6351dcecc1a08ca771c18015f7b7649d
Manifest1800aeab98ecf59b555729b4d40c5460959e08e8f1d644e458c5fc4f0abeada6

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
Signature3vHDx9WAL6D2QdC3rY1APlF5lNha2G7iO7g+rGeOAgC779uAvWJuzYIYyOPYEcMswdnXTupuOUsOMJjT21ODBw==
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

2026-09-17T11:33:08.098337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032304
observed c66d53bdad94c33e51854d8722e2e8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.080155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032304/manifest.json
observed 1800aeab98ecf59b555729b4d40c5460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.061458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032304/publication.md
observed 33d890f72a2161cabed3b39521084e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.040299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032304/publication.txt
observed 98510df70d15afbb587f96d6aabd4900...
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.