OpenTechnical

OT-2026-000083254

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000083254) never changes.

Identity and time

Publication numberOT-2026-000083254 · never reused
Internal UUID01a0ae97-c963-741d-bd6a-a778008a3ad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083254
StatusPUBLIC

Content hashes

Canonical textacb6dd7460ebd1420874b8e4e027c7a0904e5883904eec89492f63af1641a0aa
Markdown07d3e262744bdc30366ac2be150b8e519122c577371c9a7861f7509d3e43a5a9
PDF
Publication pagedfc6ae0b74b1e66a05bf37f39da0a6f0d3b10fd48fac158ffff90c5100e95042
Manifest68bc282b01aa09a7d4ab647022315ae1d77f317e7fc2caab9d0b9ec828828edc

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
SignatureFwqnefP8z92RqdA527+ogt8q66iZKe8+cQ5JvJH8Y5E1GMIwWT3CiUfqxP1+PM4HoSrfVHBdLfqjXyXLj8NBCQ==
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

2026-09-17T09:01:18.062427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083254
observed dfc6ae0b74b1e66a05bf37f39da0a6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.911755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083254/manifest.json
observed 68bc282b01aa09a7d4ab647022315ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.889909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083254/publication.md
observed 07d3e262744bdc30366ac2be150b8e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.424640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083254/publication.txt
observed acb6dd7460ebd1420874b8e4e027c7a0...
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.