OpenTechnical

OT-2026-000019387

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off before set-down

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-2026-000019387) never changes.

Identity and time

Publication numberOT-2026-000019387 · never reused
Internal UUID01a0ae6e-f393-709a-b0ae-e4d0de13a51b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019387
StatusPUBLIC

Content hashes

Canonical text3e1eee5c44d27c9663d3f5361f4102b169f5e9e5e7b66ddfae038491cbec0bae
Markdowna6e905bba60eb9c0af0e0d219f810ac4120d288dc9d18696d9e92fa2b8b48152
PDF
Publication page6af7d3467946cb832091498596d4ae1c61b7719780477594020e1014ceb30f91
Manifest5b0bdd64cf257cb0d931b6b39c24d8a728f654b577698e6e996b56beaba8f837

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
Signaturey4wg4RCop3U5vddL6f/MGjK2LSRDn1OawXOEiH9m4+H+Nr8pO0cohowTMiTtIV97mKsOZ9d66dxs41gqPu5jCw==
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

2026-09-17T11:58:46.302161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019387
observed 6af7d3467946cb832091498596d4ae1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.282701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019387/manifest.json
observed 5b0bdd64cf257cb0d931b6b39c24d8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.264677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019387/publication.md
observed a6e905bba60eb9c0af0e0d219f810ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.246372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019387/publication.txt
observed 3e1eee5c44d27c9663d3f5361f4102b1...
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.