OpenTechnical

OT-2026-000083828

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000083828) never changes.

Identity and time

Publication numberOT-2026-000083828 · never reused
Internal UUID01a0ae98-0418-7dc1-ad9a-72320cb6e08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083828
StatusPUBLIC

Content hashes

Canonical text1792782a8680ce7c514302ae53d2eb26a9fd8341e8da3bdd8f6639cf6d921713
Markdownd39736fc4045d8da38e0bf5d7ffaea546fe8aa351011a2d996ae4ed1b419cb37
PDF
Publication page89a9417d063ceb2d7bac4ebe9df16941407330163d724768d926bc973953dc93
Manifestd9169dd338c45589e9d8dcf6ed1d8994c06cb5fadcce3fa79c8ec3488dfdd930

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
Signaturea6hMLEAGirXFUnDR9/gPIzmNL5cBi8y6D/BDk2abF88k2VHpsjuJuWXtxTZWnABAcAjziB80A73IJDWyIlqaAw==
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

2026-09-17T10:00:05.424155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828
observed 89a9417d063ceb2d7bac4ebe9df16941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.401769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/manifest.json
observed d9169dd338c45589e9d8dcf6ed1d8994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.382781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/publication.md
observed d39736fc4045d8da38e0bf5d7ffaea54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.359092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/publication.txt
observed 1792782a8680ce7c514302ae53d2eb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.995818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828
observed 89a9417d063ceb2d7bac4ebe9df16941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.978958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/manifest.json
observed d9169dd338c45589e9d8dcf6ed1d8994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.960094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/publication.md
observed d39736fc4045d8da38e0bf5d7ffaea54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.942228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083828/publication.txt
observed 1792782a8680ce7c514302ae53d2eb26...
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.