OpenTechnical

OT-2026-000007650

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000007650) never changes.

Identity and time

Publication numberOT-2026-000007650 · never reused
Internal UUID01a0ae62-76bd-7b89-83d2-7ecf0c5ea866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007650
StatusPUBLIC

Content hashes

Canonical text9e9f7de86d3af5179ade5a4e0263422b748c28bfcac92ad096264f68e6acbf0d
Markdownc7b0ddcf3b5a802796b83ea2dd1f8029172cf35e0d82357c5e841e99be087c27
PDF
Publication page2b0d38efcb484475253fc4135f1458c38b0f33368be028591c6dd50bc43d818d
Manifestcab30331bc580e1542f90166d74fbe2317aa0669911978697a44e4d2b2c75702

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
SignatureknpdXO1hBGqYY7WKmO3b3q3aV+E8CEKJYo+L+niimmiKRMzugz+AruOitp60/kWZRjdNthxISqWGC/4RsEPHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.325753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007650
observed 2b0d38efcb484475253fc4135f1458c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.307996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007650/manifest.json
observed cab30331bc580e1542f90166d74fbe23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.290113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007650/publication.md
observed c7b0ddcf3b5a802796b83ea2dd1f8029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.269681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007650/publication.txt
observed 9e9f7de86d3af5179ade5a4e0263422b...
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.