OpenTechnical

OT-2026-000065404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000065404) never changes.

Identity and time

Publication numberOT-2026-000065404 · never reused
Internal UUID01a0ae8e-46f8-7e61-ae54-ec09d577b002 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065404
StatusPUBLIC

Content hashes

Canonical text0e029cc5330133a12c2e1d7d633c6611d6878e6a29266557a2f4667851a4e5eb
Markdown5a51e2de76d910171ef07193f013af613281ae388c88b7fd0b7a31498aef6733
PDF
Publication page45c6d1fcd8d49aa7a6e6c338664c0761260ab7ed73744daa62e988a7ea2080ce
Manifest9c96a811bf6e68e38d01514d087770c4a67ce52775c076f88c6b2c3d2ecd381a

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
SignaturefP7m43eDZQnIrXQLGmq00Nb8un6t0WrGA1pEJDR2NhDZjMQET8svYx7bWkq426cBuXsaJ99QLpiFfXy3OZ+0CA==
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

2026-09-17T10:33:40.027892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065404
observed 45c6d1fcd8d49aa7a6e6c338664c0761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.005791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065404/manifest.json
observed 9c96a811bf6e68e38d01514d087770c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.986941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065404/publication.md
observed 5a51e2de76d910171ef07193f013af61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.969955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065404/publication.txt
observed 0e029cc5330133a12c2e1d7d633c6611...
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.