OpenTechnical

OT-2026-000045803

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000045803) never changes.

Identity and time

Publication numberOT-2026-000045803 · never reused
Internal UUID01a0ae7d-8f05-725c-bee2-53a78702d210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045803
StatusPUBLIC

Content hashes

Canonical text6c7d7bf3493690260b90b408539e5ade30b7be38a47ce668812349c8d1b44574
Markdownd1cb57be8f3d7cadf30a942830b145b34be383fef9946ed85f7855e4013f6bb3
PDF
Publication page380ec5c2376bffb2e2b3a3ac0a01ec638e68c83ce8f28490a2440cf5078dd607
Manifestf03b429b17208732fa41219bef861b2cff87e1dfa9833f013bc2d9a0dc9ad595

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
Signaturec5G6AbcVE/uarZDmUDn3LB1/Jxsbk83WhP6Rd4IvkKi9md9lMAEZvm0PvJKDImXCwGHVw8q+nSk7EOEfM93zBg==
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

2026-09-17T11:09:40.278009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045803
observed 380ec5c2376bffb2e2b3a3ac0a01ec63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.259050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045803/manifest.json
observed f03b429b17208732fa41219bef861b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.242473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045803/publication.md
observed d1cb57be8f3d7cadf30a942830b145b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.224993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045803/publication.txt
observed 6c7d7bf3493690260b90b408539e5ade...
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.