OpenTechnical

OT-2026-000045135

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045135) never changes.

Identity and time

Publication numberOT-2026-000045135 · never reused
Internal UUID01a0ae7c-f768-7f70-9df2-dc312903f213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045135
StatusPUBLIC

Content hashes

Canonical texta521202fa9d822ff86202866812de19292d066ebf51b11a7b831960e161ccb38
Markdownfc3c8f3eff28539815545c08e3ddf530f505fc364b4383b798c4884473ae406f
PDF
Publication page541b3d8bde83353828148418853eb72423218079c358c02d185ec02e2cf90190
Manifest442416525b41fb8989d551b2c0b5909bf8b555f0164ee075467e26d3da9c3dc5

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
SignaturenI4O/20GWjqqJFL2qOnG2MvYSEcxdYNz9fsuRsesh1PAZoYj1tZnd7gR3WRghiMu7O19i2YGrTGMHR2Lr4a0CQ==
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

2026-09-17T11:10:17.122891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045135
observed 541b3d8bde83353828148418853eb724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.105619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045135/manifest.json
observed 442416525b41fb8989d551b2c0b5909b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.088403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045135/publication.md
observed fc3c8f3eff28539815545c08e3ddf530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.071124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045135/publication.txt
observed a521202fa9d822ff86202866812de192...
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.