OpenTechnical

OT-2026-000051326

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000051326) never changes.

Identity and time

Publication numberOT-2026-000051326 · never reused
Internal UUID01a0ae83-2740-7d85-b0cd-89fcd833a083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051326
StatusPUBLIC

Content hashes

Canonical textbd2cf5c4e4796f34a6c28fc2606a5abb5190c5619215b6471a38a18c5f3bd2ee
Markdown36ec432c3a7b97b1d2f7af4ad7b90491d31fa53791f39e83a35b0508b5b17d83
PDF
Publication page5465fb1e5966efb23a4a6b54a16b3453f15087027a28e9a4f08a798fd9ce071f
Manifest4817fa065509a305ae193592a8ae305584176e4d1e019db7251ead8fd7816beb

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
SignatureQPs/jAYN2gJkCn2HCk2/Shf3bJVyy60g2jOWX+1UibTe2xqF8C7usxgf3RVomWTZhI0HVjYzEc4isFp5V8WyDQ==
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

2026-09-17T10:59:12.456013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051326
observed 5465fb1e5966efb23a4a6b54a16b3453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.437723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051326/manifest.json
observed 4817fa065509a305ae193592a8ae3055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.418870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051326/publication.md
observed 36ec432c3a7b97b1d2f7af4ad7b90491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.401421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051326/publication.txt
observed bd2cf5c4e4796f34a6c28fc2606a5abb...
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.