OpenTechnical

OT-2026-000066747

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000066747) never changes.

Identity and time

Publication numberOT-2026-000066747 · never reused
Internal UUID01a0ae8e-ce42-762d-b22e-fabc8fa148fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066747
StatusPUBLIC

Content hashes

Canonical texta1d32b979fe92580ee5d0d8ccfbc025352f50f9019d28d33930f4db6ae1ceb90
Markdownd51a0c02e30bae78011d46122cf68037cb93b596732cb8b58ce51bac96bf0507
PDF
Publication page3e21789cccecd0285bd9fedf9624e206246383ab2f4e9c92ecfddc57882bf491
Manifest44c7a9c967f7837b7ecfb088e099dd1785b761a9b6b2c0c9376474a62bf61715

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
SignatureFlMP4cuQ6oI/E87MhQEz2dGgCX+bvhRwkPXSFxZVy7Iby1+jVhqUA9j51PmqgG7j7xTBItwc5FQ/Ap7ZeM4QBw==
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

2026-09-17T10:33:09.493086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066747
observed 3e21789cccecd0285bd9fedf9624e206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.476106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066747/manifest.json
observed 44c7a9c967f7837b7ecfb088e099dd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.457576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066747/publication.md
observed d51a0c02e30bae78011d46122cf68037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.439821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066747/publication.txt
observed a1d32b979fe92580ee5d0d8ccfbc0253...
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.