OpenTechnical

OT-2026-000011375

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pulsed 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-2026-000011375) never changes.

Identity and time

Publication numberOT-2026-000011375 · never reused
Internal UUID01a0ae6c-88fe-7713-a5a1-35b05c0d6dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011375
StatusPUBLIC

Content hashes

Canonical text9f2aeec3ec83b15c5ab91ccf9a5d78bb9523180917732416fecf74d099217734
Markdownaf76c02dcfd37bbb30fc268a786dec42882c47b01291792d0408aabda751b9c3
PDF
Publication page05415d532626abfdd397220d307b85256e668e6f98258e2f6434b138f8c5c326
Manifeste192e4122b98c4f8d91d13859b1510ac334444cece5f1ae42a8c7fe129ba3bfa

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
SignaturexJxbScT/cMX7aB1SkUGUdUQratxDmlH1zmDy0Gu6KCOTr1QBNtZdbOTognOS3WQCUQUKy6BvjFPcjuna7pVHDQ==
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

2026-09-17T12:13:06.912125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011375
observed 05415d532626abfdd397220d307b8525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.893568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011375/manifest.json
observed e192e4122b98c4f8d91d13859b1510ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.875689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011375/publication.md
observed af76c02dcfd37bbb30fc268a786dec42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.853996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011375/publication.txt
observed 9f2aeec3ec83b15c5ab91ccf9a5d78bb...
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.