OpenTechnical

OT-2026-000068984

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000068984) never changes.

Identity and time

Publication numberOT-2026-000068984 · never reused
Internal UUID01a0ae90-6dcd-7a32-bff2-2f969410b15c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068984
StatusPUBLIC

Content hashes

Canonical textd0364d2c8c1b7678e0bbbaf786e10cbaaaaa983f8adbca7b426441a269001273
Markdown1c7956ebe88ad53b21f603a21f74cb3982c03b14f9618846747a63117dc789e1
PDF
Publication page200222957ebb6ccb94fea638d6ca76d65dd4ef59a3254abc6d9c314db85a8c8f
Manifest575503c6ada2595e13447a909f7680b657bd4ce119c16a9f55ea303dd627a241

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
SignatureaYaTJw83BnbXw7NPxEulMWeDJK37VaK4Io1VBd/YPfBkSsPI5Ad5RnfjPDgZc4EjkOk3wqCFg4NcclhIaxPvCg==
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

2026-09-17T10:28:49.537037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068984
observed 200222957ebb6ccb94fea638d6ca76d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.519680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068984/manifest.json
observed 575503c6ada2595e13447a909f7680b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.500597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068984/publication.md
observed 1c7956ebe88ad53b21f603a21f74cb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.480167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068984/publication.txt
observed d0364d2c8c1b7678e0bbbaf786e10cba...
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.