OpenTechnical

OT-2026-000011529

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000011529) never changes.

Identity and time

Publication numberOT-2026-000011529 · never reused
Internal UUID01a0ae6c-88ff-7d74-8369-3646a13482ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011529
StatusPUBLIC

Content hashes

Canonical text57342f107d9ba7b15a38753bbd4458c0f4d844ac7c0c31c8afc63867b1b596b3
Markdown4bc37066e63c7f390c6bb8b5f8624cb29528d26fa181116458f039454553d5ce
PDF
Publication page08d5158c77e04363b1d9a7cc8a426c517ef300c9e22879b26c90cc5d53faba97
Manifest7189da86940c8f7436e6871ade7c4066d726e143dafc2a6e02e322fd1dff25e1

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
Signature3vCj3qcIf9ZZ/5TpiMrLLqN7SL0+GoFu2xLktZcb3F8oQTvoWLn2VQcHTXqS28q/eS7GbS83XfsfD9pdO/q5BQ==
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

2026-09-17T12:13:19.107536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011529
observed 08d5158c77e04363b1d9a7cc8a426c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.090050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011529/manifest.json
observed 7189da86940c8f7436e6871ade7c4066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.072926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011529/publication.md
observed 4bc37066e63c7f390c6bb8b5f8624cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.055087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011529/publication.txt
observed 57342f107d9ba7b15a38753bbd4458c0...
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.