OpenTechnical

OT-2026-000051277

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented before set-down

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-2026-000051277) never changes.

Identity and time

Publication numberOT-2026-000051277 · never reused
Internal UUID01a0ae83-2740-7ce6-8475-4884ccdd8bbb · 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-2026-000051277
StatusPUBLIC

Content hashes

Canonical texta1819371b6a2cbe96dd9e8766e72bd0ad3e2584e8a532537d3f7b3ef061e7c40
Markdown61334bc22260759875a5beb38ae7f8e7b4bdaf49992123437c4ebad91dc4563f
PDF
Publication pagef2b5f758864461e0367ec2011d1e8fcfc6678c8070b5222f0936a976f5c2a81d
Manifestc9b9f443e1cc7f30ea895a1be1cfb0642900df0c9a3a2a762dbd8356ca381143

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
SignatureSDaIlw9nJIXrq9nSUfgZYKCg+0kMzK7bwLLJiFTejJ7SVghW1KFxXnhqxgkWbV5c8BCGLrOWdYIXUUNy3HbODQ==
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

2026-09-17T10:59:04.913138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051277
observed f2b5f758864461e0367ec2011d1e8fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.897195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051277/manifest.json
observed c9b9f443e1cc7f30ea895a1be1cfb064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.879992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051277/publication.md
observed 61334bc22260759875a5beb38ae7f8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.848905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051277/publication.txt
observed a1819371b6a2cbe96dd9e8766e72bd0a...
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.