OpenTechnical

OT-2026-000020745

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000020745) never changes.

Identity and time

Publication numberOT-2026-000020745 · never reused
Internal UUID01a0ae6f-65e2-72b2-b739-9277aeff7209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020745
StatusPUBLIC

Content hashes

Canonical text3695c1c927a2c86ee9d971bfc27375c0c0d84a7154ea2aaf5286e8c7b2d0d168
Markdownf2428c8b96d8f4a9cddf76a0472f396648d019c85c3bcc3b9712caa83285a698
PDF
Publication page65c668d53d9296b562f831f76a7efaab685712301a65c66808a24879207cf99c
Manifest3f03ba8ae8cbbdaf2afdde9a94d5d7b373d8f4df424ebb0a1def89f21bfcafa5

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
Signaturezjh7AlpUnjskQ92Z9iuYwRKELrusVzaz+ZHbpXf2gKRrwlGn4q2L+Oz0VMholUhaJwedyIU28WG+3GwJBxPSAw==
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

2026-09-17T11:55:48.855927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020745
observed 65c668d53d9296b562f831f76a7efaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:48.836812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020745/manifest.json
observed 3f03ba8ae8cbbdaf2afdde9a94d5d7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:48.819274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020745/publication.md
observed f2428c8b96d8f4a9cddf76a0472f3966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:48.801028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020745/publication.txt
observed 3695c1c927a2c86ee9d971bfc27375c0...
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.