OpenTechnical

OT-2026-000050828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000050828) never changes.

Identity and time

Publication numberOT-2026-000050828 · never reused
Internal UUID01a0ae82-c7b2-73bf-a4e0-2c2011f95fbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050828
StatusPUBLIC

Content hashes

Canonical texte95eedf460997f563c3e16dfe4b75ea3197c23cd42c9dedb7dbdc701f5e9543b
Markdownb249fb5524cf84ab494b85ec6e1540d60c07196a324935d8d7ed6c5e4a409f76
PDF
Publication pagef2791feccb04ab7fa7c482817329ebeb854e7b6dae76dc2006be7e7519f4766c
Manifest76b7759fa3ddd83348edd397167d161b07978233ca0d6b6758cde618e692abd9

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
SignatureWGopdwM6AFSP6d5BuRH613NfuaIO39Sx7HLQ1hN5QFoMGXIEpS+0CBH+8Ko5YGsR3AZPXKuMwY6YIkJwWxZKDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:22.994947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828
observed f2791feccb04ab7fa7c482817329ebeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.966609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/manifest.json
observed 76b7759fa3ddd83348edd397167d161b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.943075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/publication.md
observed b249fb5524cf84ab494b85ec6e1540d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.943014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828
observed f2791feccb04ab7fa7c482817329ebeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.913607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/manifest.json
observed 76b7759fa3ddd83348edd397167d161b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.912486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/publication.txt
observed e95eedf460997f563c3e16dfe4b75ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.884177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/publication.md
observed b249fb5524cf84ab494b85ec6e1540d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.855744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050828/publication.txt
observed e95eedf460997f563c3e16dfe4b75ea3...
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.