OpenTechnical

OT-2026-000070292

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070292) never changes.

Identity and time

Publication numberOT-2026-000070292 · never reused
Internal UUID01a0ae91-545e-794c-9c2e-9327947dd4b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070292
StatusPUBLIC

Content hashes

Canonical text25330e31008fbafd0f452bccd1ce1c7e847d984b9491599fe5a7fd480a8543ec
Markdown15e4bf013c71b6a107cbaeaf24e6dcbfc9f455688b069d7df67630cc198336cf
PDF
Publication pagedef59d024785bebec07f09c96412d270de852aca8de92f5b53084ba722a2b2d7
Manifest18092207abfe3232a57874263d6fbed533480c895125c142c8c44005f01e2c6f

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
Signature5k1aDOC7cDAWhBex3Oj4B7kmdst/fZJzmLFvOmZ7HbJksnscJ+L6wt8z6cOrFTx9LRZ1Q5A3IOvkIKd0TkjLAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:04.656367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070292
observed def59d024785bebec07f09c96412d270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.639515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070292/manifest.json
observed 18092207abfe3232a57874263d6fbed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.623529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070292/publication.md
observed 15e4bf013c71b6a107cbaeaf24e6dcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.608332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070292/publication.txt
observed 25330e31008fbafd0f452bccd1ce1c7e...
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.