OpenTechnical

OT-2026-000035697

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035697) never changes.

Identity and time

Publication numberOT-2026-000035697 · never reused
Internal UUID01a0ae76-b4c7-768f-8f59-880fd80df3b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035697
StatusPUBLIC

Content hashes

Canonical textf7b603161ed610c1785aeadd06ff491477713e6aeeee01c68f9e44cb427ebae3
Markdown331794c21a3a86293db9456ac19beebe2f9f2be272cb402f4d2a97b9b3aff982
PDF
Publication page283f461c590f5a53d7c6151426d03f3b0c35fffb54636368e27720add0f68eab
Manifest41c9e7e716867a1aca45d6e3d1ba295ce0c6c9905a867f69c56b7b70d1a414d7

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
Signature1qp5A4xbBeaeuohURKjwOqbooh6O+DRkFmV4jTvn4HB75OtmO0/8fqqAf0zPRozxKiO8Bnj1bDr1QJWMrW3RBg==
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

2026-09-17T11:27:16.684814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035697
observed 283f461c590f5a53d7c6151426d03f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:16.668171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035697/manifest.json
observed 41c9e7e716867a1aca45d6e3d1ba295c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:16.648367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035697/publication.md
observed 331794c21a3a86293db9456ac19beebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:16.629281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035697/publication.txt
observed f7b603161ed610c1785aeadd06ff4914...
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.