OpenTechnical

OT-2026-000006341

Publication integrity record

Porous face vacuum gripper, common isolation valve, ejector fed, contact triggered, 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-2026-000006341) never changes.

Identity and time

Publication numberOT-2026-000006341 · never reused
Internal UUID01a0a957-9f0e-737b-8f57-9b69cd6ec52b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:26.993252Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006341
StatusPUBLIC

Content hashes

Canonical text744f3710449fa04aa3d55251a8d3d24efee706205d76e155923f1bb04cd40728
Markdown99dc75ff8e4de1207b4f9af66403196906df7cca87d86174a7dd3d8e7aa52b15
PDF
Publication page4095ea3581a07a1ee3a619260f7c79bcb496d753c5ae3b269d2cca71d5b25bf1
Manifest3f11447baeb13e3e7e1a8f1fd17dac6a0c5cd02e76419531b9d8781bf76993d8

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
SignatureRuDVAZNoWK1Ak407JMsBm2TzlIzbuW/kwoW2f0yZoAPRp/rRCZd69bDNHUKAKHe1iUOj4ugfCTqdaEA2UJ8RAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:29.235937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006341
observed 4095ea3581a07a1ee3a619260f7c79bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.219722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006341/manifest.json
observed 3f11447baeb13e3e7e1a8f1fd17dac6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.206719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006341/publication.md
observed 99dc75ff8e4de1207b4f9af664031969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.194894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006341/publication.txt
observed 744f3710449fa04aa3d55251a8d3d24e...
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.