OpenTechnical

OT-2026-000100540

Publication integrity record

Foam pad 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-2026-000100540) never changes.

Identity and time

Publication numberOT-2026-000100540 · never reused
Internal UUID01a0aea3-66f0-7499-8c97-0c3814af0642 · 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-2026-000100540
StatusPUBLIC

Content hashes

Canonical text7cc9a21bce1f923a73977521727e5a7d4c0c48df81c021c91861906ee22599f7
Markdown8a35263942f12991c4bd87b72e092dc64527ef6e24cf7ef894e4776e80e94b2f
PDF
Publication page6999d1b99a4d37dfa299ff6bd83dbe6f3a98d6e8be015f112c13c775d8d35eab
Manifest09fe734414f54ecbaee24d600b7d708c93fb6069666e81c5b65b60ddc04557c1

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
Signatureu6QhOF2s+vjzkO1OGAmwIMxXMlKMP1OIT2Zibn6HxJYlTZi4TcoGmXUl1JN4JedZ16I05t+vPs0NVh3b9HMmAA==
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

2026-09-17T09:27:18.728178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100540
observed 6999d1b99a4d37dfa299ff6bd83dbe6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.710214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100540/manifest.json
observed 09fe734414f54ecbaee24d600b7d708c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.693161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100540/publication.md
observed 8a35263942f12991c4bd87b72e092dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.676505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100540/publication.txt
observed 7cc9a21bce1f923a73977521727e5a7d...
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.