OpenTechnical

OT-2026-000097503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000097503) never changes.

Identity and time

Publication numberOT-2026-000097503 · never reused
Internal UUID01a0aea1-55b4-756f-b237-d844d2547a66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097503
StatusPUBLIC

Content hashes

Canonical textb82a98cba139447c4bda7a940310d6e3307c8d39e0ea55ff777a05464f2bd193
Markdown9585fae82cdafd9620b46c9cc99fb740c60fb10a1625f063df871d316dce0c51
PDF
Publication pagef1bd594cbb2fb8d5b91680aceebb283a66aae4da9dd18fd47c34ce8331bc8307
Manifeste8ca0a04dc36e45ef19e8ce4463474f44582ec329928232b3502b6407a3d3c3d

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
Signature5Fkc4j31pGi+/8gaAdY7hQ1BSSu9T2z823/zhLIkP6xoRmRvNNNlKvXwri6aBmgdFaz4ZpyAxWC7mK4CF7kfDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:22.769937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097503
observed f1bd594cbb2fb8d5b91680aceebb283a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.686661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097503/manifest.json
observed e8ca0a04dc36e45ef19e8ce4463474f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.668903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097503/publication.md
observed 9585fae82cdafd9620b46c9cc99fb740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.643316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097503/publication.txt
observed b82a98cba139447c4bda7a940310d6e3...
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.