OpenTechnical

OT-2026-000014387

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000014387) never changes.

Identity and time

Publication numberOT-2026-000014387 · never reused
Internal UUID01a0ae6d-b27a-741b-a37d-58d85e4e1b03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014387
StatusPUBLIC

Content hashes

Canonical text6705243b70782723421fa4cae89062e1a11e27c31046490ae20e984b59c2db83
Markdown9ac6c25384b3d9d354eccaee8ea2c57cad44d2e3cf634e457255dfe8045cf461
PDF
Publication page1817411a408c49aa9b019beaeff3755283f5d7234c18072f5433d151820c6bb6
Manifest54c12ece489c0d014e454410485b93cc066fa75237dd545b40d768c1b2288810

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
SignatureN/M15lqxDOGW6IKOqvwk4GMnuqL+ikFRc+4zHl89SUGPVxHv/Td40XeZNdx7+QxjpnKslZkVzYGPnbBOK9tcAw==
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

2026-09-17T12:10:08.515074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387
observed 1817411a408c49aa9b019beaeff37552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.490875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/manifest.json
observed 54c12ece489c0d014e454410485b93cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.471093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/publication.md
observed 9ac6c25384b3d9d354eccaee8ea2c57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.452015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/publication.txt
observed 6705243b70782723421fa4cae89062e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.458008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387
observed 1817411a408c49aa9b019beaeff37552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.439708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/manifest.json
observed 54c12ece489c0d014e454410485b93cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.421279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/publication.md
observed 9ac6c25384b3d9d354eccaee8ea2c57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.403057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014387/publication.txt
observed 6705243b70782723421fa4cae89062e1...
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.