OpenTechnical

OT-2026-000045054

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000045054) never changes.

Identity and time

Publication numberOT-2026-000045054 · never reused
Internal UUID01a0ae7c-f768-77f1-ab8b-4f72954beecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045054
StatusPUBLIC

Content hashes

Canonical text87958bf1fdd8749899610d7fd6ac1c789cd73840b692e0c2a83106f484066519
Markdown0c770f08d8a26ac8cba33add68a2c2ab5b9f2e6cfc3361ea2b90eb29a21110b8
PDF
Publication page2118de4963ff8b3188514dd25548d31293798742734fba2cef92b82eed77c01f
Manifest0d8fe69d9b6de72e540f838f9a545195f6f4a8734ce690443aa58db1c015d930

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
SignatureB4Ge8BqJHFnXvOdV8x0kr7Ah1H9c7hU+VYeTD/Mns5iKNvO7wPFOkTR9hu9+GDaBm3wax1bqgXYz7EZhS6QJAg==
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

2026-09-17T11:10:04.702520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045054
observed 2118de4963ff8b3188514dd25548d312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.684471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045054/manifest.json
observed 0d8fe69d9b6de72e540f838f9a545195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.664836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045054/publication.md
observed 0c770f08d8a26ac8cba33add68a2c2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.644688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045054/publication.txt
observed 87958bf1fdd8749899610d7fd6ac1c78...
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.