OpenTechnical

OT-2026-000076709

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076709) never changes.

Identity and time

Publication numberOT-2026-000076709 · never reused
Internal UUID01a0ae94-b06f-7e3b-9384-61aec0243740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076709
StatusPUBLIC

Content hashes

Canonical texte349876a88ce11b5d70f205710ba2097503356e81eb4158eac4013660fcccdab
Markdowna6570c8005e1961fb2faeaccdd8fc8b1a65e57fdca1c8d65c2673c5a4fd3f4c9
PDF
Publication page09f6650a5b4e8ee66049487e8c310b975b76037260f7498d55bdcef384095886
Manifest03bbea5493a8c88bc0f4cf570342443801e316de9dbecb8e45b2b8d3006ac130

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
Signature9q/nCQHI1T/bvzU5TpDV3WWjR3LsaQLwUU0B36G5YBDoV5EvzQz/xqHgQhnaAEFsuzRHaCoLmQeIkMAxfCmDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:28.560387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076709
observed 09f6650a5b4e8ee66049487e8c310b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.543610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076709/manifest.json
observed 03bbea5493a8c88bc0f4cf5703424438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.525951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076709/publication.md
observed a6570c8005e1961fb2faeaccdd8fc8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.507314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076709/publication.txt
observed e349876a88ce11b5d70f205710ba2097...
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.