OpenTechnical

OT-2026-000009663

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000009663) never changes.

Identity and time

Publication numberOT-2026-000009663 · never reused
Internal UUID01a0ae6b-7563-75eb-8d5b-03a8d84184af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009663
StatusPUBLIC

Content hashes

Canonical textafbfbce4e5f6f35e8eecc886a40d02ca1baacd7d69fe3b6e16aeaca149844668
Markdownce774b255832a3fbf04f3fe6eedf38de50e627da51728bacac10b7126b716b19
PDF
Publication page6475d5c2fafc9645f7ceddcebf24d72dadcb8aab6324bce16b48ecd425d2f3a5
Manifestef8953cea3d0874f4e95a7783fdb0a5c1027b4bbf6b1e18208801e3cca4c1f87

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
SignatureBuCEll6HH6kxTnlE9T03EUedhrDj9tJN1PK6TU0EHOrmD4O25F0kIcKDJk/0TUyGF3CTepp4NADZV01R/fIZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:08.137553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009663
observed 6475d5c2fafc9645f7ceddcebf24d72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.118096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009663/manifest.json
observed ef8953cea3d0874f4e95a7783fdb0a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.098519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009663/publication.md
observed ce774b255832a3fbf04f3fe6eedf38de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.077864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009663/publication.txt
observed afbfbce4e5f6f35e8eecc886a40d02ca...
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.