OpenTechnical

OT-2026-000015825

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000015825) never changes.

Identity and time

Publication numberOT-2026-000015825 · never reused
Internal UUID01a0ae6e-0c4c-7f50-b55e-4c3107c580ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015825
StatusPUBLIC

Content hashes

Canonical textc1a3bb47d66d44dcd131a378e94658dec738d56cc6972b418cce667de4a3893c
Markdown49a7826008796f08155e3dd0dc140f628936737aef2c4e63b9a1d8ba380e22aa
PDF
Publication page4ffcba9dc79d14837d19fd4014109edfc4e9d85cfa1355681a044cae6dc61aa8
Manifest9aaf8731001bece1bb4b3ff74eb6fc4b6b40eba6c972217de2cdadd292b74387

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
SignatureTzv0vaXx3h5ASt6yu9Jww8UwwZYtH66tK8az9/p+mrtnOTBf/Ni5+07zHaq4Eoan+i8AVul4ejwCBxTOKsXJBw==
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

2026-09-17T12:05:08.423837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015825
observed 4ffcba9dc79d14837d19fd4014109edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.404913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015825/manifest.json
observed 9aaf8731001bece1bb4b3ff74eb6fc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.385580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015825/publication.md
observed 49a7826008796f08155e3dd0dc140f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.357014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015825/publication.txt
observed c1a3bb47d66d44dcd131a378e94658de...
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.