OpenTechnical

OT-2026-000019922

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000019922) never changes.

Identity and time

Publication numberOT-2026-000019922 · never reused
Internal UUID01a0ae6f-1fb7-7190-9d5d-2fcbebdb5709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019922
StatusPUBLIC

Content hashes

Canonical text565ce22b7af7eac80f2766b95d5556d85fba5369b372695b37b197cd2564ebb5
Markdown299636d600c51c54ed0588a59b25a5a029113d8ce28ee6d50f777295dd8c38ac
PDF
Publication page923bc16a1a2107cfc8267673481fb5eaf4d167bdb77ec1911cf5ca0be925c64c
Manifesta4ce4341120fd4aaa6bbf36a131f3b17838cdcf541ee6f5ac9ee526d6c9ddae8

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
Signature0ZFNslC/jru3EYoFNjavg+diFkY7UMbWu/Qon4qQyEBEB0AObiFIbMjq8yv6rHFCFSAEnbsjnRZo0nCxchVNDw==
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

2026-09-17T11:58:08.460723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019922
observed 923bc16a1a2107cfc8267673481fb5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.439116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019922/manifest.json
observed a4ce4341120fd4aaa6bbf36a131f3b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.417777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019922/publication.md
observed 299636d600c51c54ed0588a59b25a5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.398360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019922/publication.txt
observed 565ce22b7af7eac80f2766b95d5556d8...
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.