OpenTechnical

OT-2026-000067755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000067755) never changes.

Identity and time

Publication numberOT-2026-000067755 · never reused
Internal UUID01a0ae8f-c4fa-7f6c-bcfa-de57bf5f48cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067755
StatusPUBLIC

Content hashes

Canonical text210c86d120730e1c66ea5b6beedec8d870152b3f12ba7ab5aaae889f056993c6
Markdown37de2c552cb520ed4cf4ee246650fe7f9e637af5129f8d49cd49d896e6ebc6d2
PDF
Publication page6a92814dc9e2cd5e8ee998e769e0a563736d63564b565f0361990adb969dfa83
Manifest4edf1b91d296db6aa0bdb1d722728444caccbf57376de8eca9cbc8156b7684c0

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
Signaturecu3Sdd0Nut4cu4ep7E62yYbYTAp5ps1OcQ1WELP3b3juS6cOS+xg+6tsfPNdVQtN1PizdPVKvFJ5Y0t2BZhbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:58.950370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067755
observed 6a92814dc9e2cd5e8ee998e769e0a563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.931990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067755/manifest.json
observed 4edf1b91d296db6aa0bdb1d722728444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.913700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067755/publication.md
observed 37de2c552cb520ed4cf4ee246650fe7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.894146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067755/publication.txt
observed 210c86d120730e1c66ea5b6beedec8d8...
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.