OpenTechnical

OT-2026-000032589

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000032589) never changes.

Identity and time

Publication numberOT-2026-000032589 · never reused
Internal UUID01a0ae75-1070-705f-b909-7f85cb1acbc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032589
StatusPUBLIC

Content hashes

Canonical text36230372ee3c69a82049c49d013d90a934c7e4facbe5876fb42b08863d64ddd4
Markdown40b13d65cb5d070bebabd9aeec12764be43a2df0006c555b7b19e9671d8557b5
PDF
Publication page8fec750979e02fc977cf74258932c7ceaa4d0da355661ca378eb80986bd206b9
Manifest239d7a24a7e2bb9bfabe698288c8cf1ea66c172433904238c20984c587797482

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
Signature1oC7JOlCbP2jrMN6N5D1mrmdsCXS/tkF3BEEtQHHwdjye23Pw8xxiZB8iqWGVe6+bRYFk22hDbXta6YI/nliDg==
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

2026-09-17T11:34:10.045374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032589
observed 8fec750979e02fc977cf74258932c7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.028261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032589/manifest.json
observed 239d7a24a7e2bb9bfabe698288c8cf1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.010678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032589/publication.md
observed 40b13d65cb5d070bebabd9aeec12764b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.991842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032589/publication.txt
observed 36230372ee3c69a82049c49d013d90a9...
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.