OpenTechnical

OT-2026-000025053

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000025053) never changes.

Identity and time

Publication numberOT-2026-000025053 · never reused
Internal UUID01a0ae71-2728-72d4-b6a2-b20492f2d438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025053
StatusPUBLIC

Content hashes

Canonical text1c3cb24d76684892b76787f6b58bf541df72fb4694ce0c4acfaf0b69f5103da9
Markdowncf5bf227a5ab489fd4bb8a296dc684bec4d3fa61d291def0841412e7ea50a8a6
PDF
Publication page4d24c802ca787be6c2697211e18d325c01b07457ead2b1c193cadc3d842be90c
Manifesta0c96cd714ccf4449dd37ac8916a765f4531e4a0bb22d291354ade3070a2c2a0

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
SignaturemN1KZRSeSj9H3QydtNeKS8D731Ua8XWD0Cq59Mga4N0NlgvuiyIMPfrgeQQxOxFS3QYwKcBHCTQ3zTrSl4QwBQ==
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

2026-09-17T11:48:27.737868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025053
observed 4d24c802ca787be6c2697211e18d325c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.721607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025053/manifest.json
observed a0c96cd714ccf4449dd37ac8916a765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.704035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025053/publication.md
observed cf5bf227a5ab489fd4bb8a296dc684be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.683959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025053/publication.txt
observed 1c3cb24d76684892b76787f6b58bf541...
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.