OpenTechnical

OT-2026-000025757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000025757) never changes.

Identity and time

Publication numberOT-2026-000025757 · never reused
Internal UUID01a0ae71-a83d-70b8-b149-32cd38933c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025757
StatusPUBLIC

Content hashes

Canonical text57bfb2082b3583e16b413e387f0aa1d07851250227bd9a135928732329f51b6b
Markdown9c2d3ed71ec51dd04f3f25faf51c2526ba3fe9c2a845d087e03eb948a940b8b8
PDF
Publication paged2650c850c8e7938b3df44e91c4fb0c61e7ec672040cac8e45f16232f2b0ec4e
Manifestbe207c2627958c4b764d5203d8679109bc4ab61c4f46783700d54719cded0f3b

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
Signature58IvpoWjfiHfPs/RM5XC+PqDUnsa3Xk8qenAqeqnH/5EEQPCSNC7MfzHaqpIuecFn7cWhKlvjij/53J56a1+Dg==
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

2026-09-17T11:45:57.477367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025757
observed d2650c850c8e7938b3df44e91c4fb0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.459489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025757/manifest.json
observed be207c2627958c4b764d5203d8679109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.442030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025757/publication.md
observed 9c2d3ed71ec51dd04f3f25faf51c2526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.424526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025757/publication.txt
observed 57bfb2082b3583e16b413e387f0aa1d0...
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.