OpenTechnical

OT-2026-000018954

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000018954) never changes.

Identity and time

Publication numberOT-2026-000018954 · never reused
Internal UUID01a0ae6e-d522-7a26-91a6-b7b27394ea52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018954
StatusPUBLIC

Content hashes

Canonical text82e7daa628b96b11ebfe2a29a7526862a6bc52e844a9e754662ab0c30edff030
Markdownb42bfd4e918f8a33b679c8eb2edd7a024eb51f3d7b864bb3c14f0ef7650ee1bb
PDF
Publication page473cd50192c64d7ea75e364085711a39338aea86075d0d45a27a016602063183
Manifest92af5a7b5464f09ad11d8b41e81e0d8c33b8f1469435284d4c33e2c96ab8ab58

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
SignatureEvzx8dVGofU3J5fEUtO4E0yiG3aH42QJL6KVMxGuhyTCx2vkqmxbnTulA3V6D2iIiK3ijF6d3tA96Eh33wSQDA==
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

2026-09-17T11:59:37.522321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018954
observed 473cd50192c64d7ea75e364085711a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.502990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018954/manifest.json
observed 92af5a7b5464f09ad11d8b41e81e0d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.483376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018954/publication.md
observed b42bfd4e918f8a33b679c8eb2edd7a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.465030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018954/publication.txt
observed 82e7daa628b96b11ebfe2a29a7526862...
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.