OpenTechnical

OT-2026-000066492

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000066492) never changes.

Identity and time

Publication numberOT-2026-000066492 · never reused
Internal UUID01a0ae8e-ce41-7d9c-8466-a73215aab948 · 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-2026-000066492
StatusPUBLIC

Content hashes

Canonical text3e8a3893b2dde6d23f3d823e1e134a17156089b5d1e37155b55381c348addf17
Markdown31f61a7182683c44f474fb57e0cfd2505dcbdc3a901263af424eb69f8824a6b0
PDF
Publication pagecf68ce992fd35c9afee51de232eed74d0f0e82e230b77536e3e09d9ce84677e7
Manifest2ed5113185b20e0c314e4447476ddfe42d5f3d3769056322e4875c331fb2c50d

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
SignatureUjxiSVLc65wMtljC5iX9kqCtp1xELaevftzJO2daMGfQgU+/D1lw8lqA5BVz/mrknauK1eJcbFhv1TnlpPZvDg==
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

2026-09-17T10:32:44.932508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066492
observed cf68ce992fd35c9afee51de232eed74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.917343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066492/manifest.json
observed 2ed5113185b20e0c314e4447476ddfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.900727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066492/publication.md
observed 31f61a7182683c44f474fb57e0cfd250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.883762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066492/publication.txt
observed 3e8a3893b2dde6d23f3d823e1e134a17...
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.