OpenTechnical

OT-2026-000083020

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000083020) never changes.

Identity and time

Publication numberOT-2026-000083020 · never reused
Internal UUID01a0ae97-c961-7ced-8866-5045a58858d9 · 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-2026-000083020
StatusPUBLIC

Content hashes

Canonical textc471985772226bd2c3f7735a718357e4656543a0074ec32668e15578fec776ee
Markdown05bac3f39b15bcf21861f542f270bcefe10c299020ee42f9dd90497433e077c0
PDF
Publication pageff48643bb73f05bc6f8ccfe34e358d02fd811202d239956ed91b49104728a667
Manifesta0cc09f5618a9e928a29241b72a0a9bb3b37a36137880b0638964ae16323aab0

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
Signature6OrFD8c4Y28C5vdXmZg1IeXjaNJw4AAKkVPe5hHZTx4qwwnjCnyl24Keilj8vDfO6hZWlFJ9uqM+8lo6UOaaBw==
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

2026-09-17T09:00:19.143132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083020
observed ff48643bb73f05bc6f8ccfe34e358d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.122200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083020/manifest.json
observed a0cc09f5618a9e928a29241b72a0a9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.102958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083020/publication.md
observed 05bac3f39b15bcf21861f542f270bcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.079250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083020/publication.txt
observed c471985772226bd2c3f7735a718357e4...
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.