OpenTechnical

OT-2026-000089650

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089650) never changes.

Identity and time

Publication numberOT-2026-000089650 · never reused
Internal UUID01a0ae9c-1a21-71bc-aa85-e2a4fa1d2b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089650
StatusPUBLIC

Content hashes

Canonical texta68b2bdcdbb796c5f48bde5a65f2594477fd58f8c3158d453689142c91c4a2c0
Markdown05e26285e0fdf6e250c181b447341afc7ce2510ce4087074081cfaed6f46a581
PDF
Publication page18b34d7a770d1c3d7a39887e8a1293844ecc1182f68408dc9f1ba8b824a5e0cc
Manifest98eaa63ee262ecab577ae1cf6d8154cd58ede5190c6fa4a681dd65ecffba610e

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
SignaturersMtXy54rRK/WNqOQtNBfHNiC1EIl36UZ96vi0/fstAixM9l6hBSfqYQMY/wklh6NeVd+XYtcQbNjqCWJVGGBg==
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

2026-09-17T09:46:38.454658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089650
observed 18b34d7a770d1c3d7a39887e8a129384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.438345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089650/manifest.json
observed 98eaa63ee262ecab577ae1cf6d8154cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.421200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089650/publication.md
observed 05e26285e0fdf6e250c181b447341afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.404113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089650/publication.txt
observed a68b2bdcdbb796c5f48bde5a65f25944...
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.