OpenTechnical

OT-2026-000074578

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000074578) never changes.

Identity and time

Publication numberOT-2026-000074578 · never reused
Internal UUID01a0ae93-717b-7319-aed4-9cbf29f5256e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074578
StatusPUBLIC

Content hashes

Canonical text4e736a5f90ddee0b6f3f57dc3997d702ec58b8c9b436f21ac50ecee9a30c5811
Markdownceb3e4c72050aa4eb34d07f53b438ec2c30978190a9b7df3546941e43e08b855
PDF
Publication page080d6eecfb9f72ac34e8b5cd1a4074c42996b1fa7b6c47caf7889067051a4014
Manifest911d1bb00dae78299f1c5c7617e1cb428d254c655f7464c31e0cc234f4f3d186

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
SignatureA7zl59i66H1+w9T8xboyW9U7co9BTIKqosi+uBntx2D33LHy6vrjsV+H4xRMfc4xxUctrO15LmXZO73J107eCw==
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

2026-09-17T10:19:35.844048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074578
observed 080d6eecfb9f72ac34e8b5cd1a4074c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.824584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074578/manifest.json
observed 911d1bb00dae78299f1c5c7617e1cb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.807607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074578/publication.md
observed ceb3e4c72050aa4eb34d07f53b438ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.788757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074578/publication.txt
observed 4e736a5f90ddee0b6f3f57dc3997d702...
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.