OpenTechnical

OT-2026-000021272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000021272) never changes.

Identity and time

Publication numberOT-2026-000021272 · never reused
Internal UUID01a0ae6f-865c-7dff-8e9e-afb4138f0fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021272
StatusPUBLIC

Content hashes

Canonical texta095e9aac1d3c9fed6f5f9eba12f6f4fe8e6de8e8c218471520ac440e2c3914d
Markdown1518ef4e899f17f9ea311cbba936dd7aadc083c8121a97ac8b2112ed85fa336f
PDF
Publication pagea790b181df16ea83d684b5cfdcf85049f1f63f639bfd7de7bf93084a291ca286
Manifeste76364303fd85ac377b521cdb051ebf3f7dff8ccc0e8659505e19e20bbd6ff73

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
SignatureKAQFKYt9eU2hsls9LHaKeNI3io5z2F78i4lJogBPS6Dm3GXZpzf887h3bq+H3Ws7+GGWQM7+4r2Qm1A4CFnUBA==
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

2026-09-17T11:55:06.025417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021272
observed a790b181df16ea83d684b5cfdcf85049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.007974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021272/manifest.json
observed e76364303fd85ac377b521cdb051ebf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.990895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021272/publication.md
observed 1518ef4e899f17f9ea311cbba936dd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.974086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021272/publication.txt
observed a095e9aac1d3c9fed6f5f9eba12f6f4f...
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.