OpenTechnical

OT-2026-000083224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000083224) never changes.

Identity and time

Publication numberOT-2026-000083224 · never reused
Internal UUID01a0ae97-c963-7325-a9c0-17b044d51d46 · 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-2026-000083224
StatusPUBLIC

Content hashes

Canonical text275a469832ce18b6e7b9d278e6d7f8101df7109a08fecee76df542d046ceaa4f
Markdownc02b837e569f72fcf2ed6edd5adadab1f3bb7291a38661a26ea9f346adf180b8
PDF
Publication pagef0c31bb034af3bd675e07eb39e0ee1fdeac73a59a1085a104cc9686fd86f89b8
Manifestd01f350d2567965f0b746490d5476867971bf5baa9dbddbef375d465c129ae04

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
SignatureMvfO811FGaweXEyvVNPIHnGBTVLk7mFSMFeNazxDJnMJlZpMdEDDM0cMi76o1YEshHcAOyKQFz/m0qY2X7nCBA==
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

2026-09-17T09:01:09.372178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083224
observed f0c31bb034af3bd675e07eb39e0ee1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:09.349233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083224/manifest.json
observed d01f350d2567965f0b746490d5476867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:09.325053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083224/publication.md
observed c02b837e569f72fcf2ed6edd5adadab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:09.179269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083224/publication.txt
observed 275a469832ce18b6e7b9d278e6d7f810...
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.