OpenTechnical

OT-2026-000020058

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000020058) never changes.

Identity and time

Publication numberOT-2026-000020058 · never reused
Internal UUID01a0ae6f-1fb8-7a9a-bb05-1c64dedecd6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020058
StatusPUBLIC

Content hashes

Canonical textebcf60fb36f4bfa403f39708a6d8c59ef93a1dd728eb22ba1a2886f4ab561c6f
Markdown8771298762a412443ced55d20274966e9053b0dd261e190b6da3137bd86db440
PDF
Publication page00034a42f8c78bdac4bbc96c205ca827299c2a44958cb74370623374608755d1
Manifest7ee35cad5e87fc0f92738b194aef9cc04edbb6874954a0c19cbc886b1c98be76

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
SignatureI9uFs6beCqCIlcT60zr1wD4RR/JJcUgyNpSc4cmU93LHqhUctRo7N6af7Pu/cCUMd4F7Fgh6f4uR8dM3lIM5Dw==
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

2026-09-17T11:58:19.678311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020058
observed 00034a42f8c78bdac4bbc96c205ca827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.659890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020058/manifest.json
observed 7ee35cad5e87fc0f92738b194aef9cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.641148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020058/publication.md
observed 8771298762a412443ced55d20274966e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.624539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020058/publication.txt
observed ebcf60fb36f4bfa403f39708a6d8c59e...
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.