OpenTechnical

OT-2026-000015741

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000015741) never changes.

Identity and time

Publication numberOT-2026-000015741 · never reused
Internal UUID01a0ae6e-0c4b-7a78-ba55-ece39eac2055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015741
StatusPUBLIC

Content hashes

Canonical textdb0e8418760fb4a2410a4ac8626dd5cea756a8f264c2da04ab83edf36b9ea999
Markdown3234627f1199165d21c02f359bc5afe1c1fe7c0d3f8d441ab99187eb12d8f349
PDF
Publication page720b69744aca258a05efad9a73e8a69e0dfbe37d20922ed9d496b116264578de
Manifest74bb5b5c58a81585b69c9673a454e6d4351b7a8f9a2aac0c68fb4a39cac89f82

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
SignaturetnDWtVjvzbTrVEKkD7Sy9SXQFbC75KNKJRhV0CtbjJ72viKclSsmsrR+TqMF7cOhz+0oizxwu71ZHoZAAP7aBA==
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

2026-09-17T12:05:01.849466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015741
observed 720b69744aca258a05efad9a73e8a69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.821462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015741/manifest.json
observed 74bb5b5c58a81585b69c9673a454e6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.798543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015741/publication.md
observed 3234627f1199165d21c02f359bc5afe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.772139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015741/publication.txt
observed db0e8418760fb4a2410a4ac8626dd5ce...
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.