OpenTechnical

OT-2026-000020269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020269) never changes.

Identity and time

Publication numberOT-2026-000020269 · never reused
Internal UUID01a0ae6f-437a-7c52-8214-300ce8736b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020269
StatusPUBLIC

Content hashes

Canonical texted13dbe3afb43ee40a1b39c7e785216d19c1ff76df9c86c257957fb514fd81e6
Markdowne429557307c2df056b521c9e49824b385fd7995d083f5c4e836a208eef710864
PDF
Publication page4476822d336dc460092d30544ac082a7d2a4496ccfe3cd1d67bdf7de3c262fd6
Manifest27980e0651512622b46864430861d8b8b2bffa122c62218be561df9bfc1870c1

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
SignaturewTWtrb88JxL2sGe0bjSu1fNkrpXxkodLlQkTGPNhwLs1Lfqw1aWjkW8tSjQVTXVJwRAudguuoIjklMArP/UFAQ==
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

2026-09-17T11:56:37.111483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020269
observed 4476822d336dc460092d30544ac082a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.095117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020269/manifest.json
observed 27980e0651512622b46864430861d8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.078448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020269/publication.md
observed e429557307c2df056b521c9e49824b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.060373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020269/publication.txt
observed ed13dbe3afb43ee40a1b39c7e785216d...
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.