OpenTechnical

OT-2026-000083054

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000083054) never changes.

Identity and time

Publication numberOT-2026-000083054 · never reused
Internal UUID01a0ae97-c961-763b-8bac-a68764f3627b · 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-2026-000083054
StatusPUBLIC

Content hashes

Canonical text1d1ad8340deca437a64559da6c087d8531a3dbe0ff62258054bf13a304176518
Markdown8f87893a4248106f99d97090152191c6ca127ffc2830a90932ab557bd757a92f
PDF
Publication page1afc1007286db566359dd5f1dc329655bf8415127e7be81697c59992b9beff8a
Manifest1ca960e4ce2562b98e72f614a846928d6cb04678f1ee618dfc82af6df000d72e

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
SignatureguECraxAk51cZp601wE7WFOhA2WJ4PpcvHE+BJ2JrPzLqP4BiX71i6pq/U9F1AXsPP47RSsDmJoOE6M7NNUqCA==
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

2026-09-17T09:00:27.667761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083054
observed 1afc1007286db566359dd5f1dc329655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.646549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083054/manifest.json
observed 1ca960e4ce2562b98e72f614a846928d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.626655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083054/publication.md
observed 8f87893a4248106f99d97090152191c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.607193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083054/publication.txt
observed 1d1ad8340deca437a64559da6c087d85...
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.