OpenTechnical

OT-2026-000100543

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100543) never changes.

Identity and time

Publication numberOT-2026-000100543 · never reused
Internal UUID01a0aea3-66f1-7212-893a-33eb0a16b648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100543
StatusPUBLIC

Content hashes

Canonical textf642377bb724f8a3905f4b63250846e63a1547606c614ae6acaccbb1b3b0a6d6
Markdownf6c59fd85ebcde7b127633e01421fd94d7a8d848fad0ea21cd391fb7d686619f
PDF
Publication page8ec86da6a7f9aaf4182d2bf81d6f3f656db3737f0dbfc54aa2ff62293ff0476f
Manifest025700e6a2cf256e6115e55aa6086cab23021bc378ea020c0eef6713aed6b7a4

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
Signature5ZrXFUaVEVQzD5K0KYhU7c5Vk/GQEoqiSYog3/dw9ihY4QyYrF+xiv5R7XOeGI+fooY5o1XcWtPNmp2PymEoAw==
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

2026-09-17T09:27:18.950814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100543
observed 8ec86da6a7f9aaf4182d2bf81d6f3f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.931001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100543/manifest.json
observed 025700e6a2cf256e6115e55aa6086cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.913854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100543/publication.md
observed f6c59fd85ebcde7b127633e01421fd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.897175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100543/publication.txt
observed f642377bb724f8a3905f4b63250846e6...
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.