OpenTechnical

OT-2026-000028595

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000028595) never changes.

Identity and time

Publication numberOT-2026-000028595 · never reused
Internal UUID01a0ae72-e2f9-74bb-b5d9-5d5dc5ae28cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028595
StatusPUBLIC

Content hashes

Canonical texte74daa77b3b0dc60dd52d2f849019b9e759931a0c2253e6d38e061ec991e83b6
Markdown11d1f3e2dafd7b965b13d5ca7f93dd58161199c7103357a51b83ff4df4cb51f4
PDF
Publication page1fed79975e023a5695e33925a10626b91533e81619b9d9b85bca3f9970a4ef92
Manifest296144d247795c6465bf14d86b7d04a03c087e7a5a8458851cdbd55aeca21309

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
Signature8gCcQMID8+GotXM7gFPEGroPmQ4t1h+sisaFSXUPO46fqUzxA/B5/WYnP2h956x4BXcjroJGTiOWSLjHQoOEDw==
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

2026-09-17T11:41:27.006357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028595
observed 1fed79975e023a5695e33925a10626b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.988681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028595/manifest.json
observed 296144d247795c6465bf14d86b7d04a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.969778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028595/publication.md
observed 11d1f3e2dafd7b965b13d5ca7f93dd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.949871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028595/publication.txt
observed e74daa77b3b0dc60dd52d2f849019b9e...
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.