OpenTechnical

OT-2026-000063829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000063829) never changes.

Identity and time

Publication numberOT-2026-000063829 · never reused
Internal UUID01a0ae8d-53b7-77fc-a5d3-7e94eb05ba97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063829
StatusPUBLIC

Content hashes

Canonical textd14402c72a4a84440d3a0d2fbe1bc4eb9e4f891f38877b451c4106147c53ab9a
Markdowne40f26c75108cb5805c19594a6bf3e717ca8b236668d589c0e9b13acbe20b5f0
PDF
Publication page69ce3dcadda77f82e4505f95bcf9e7744d6210aedbb9e935b6ed495835d84f95
Manifest401a90a9b54a7e73c0b3bae5713af1194c2ad84ebe547813a2b03c91511b99e4

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
Signature2jkVX0uQ0tGul70UGoIxCoau4pWPAWqA72lqE5a6tbZRXEyPYabJr+ZTV1er0I4vAV/jtJQ72yI1iuPWaNRdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:51.191499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063829
observed 69ce3dcadda77f82e4505f95bcf9e774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.173637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063829/manifest.json
observed 401a90a9b54a7e73c0b3bae5713af119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.155316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063829/publication.md
observed e40f26c75108cb5805c19594a6bf3e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.136289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063829/publication.txt
observed d14402c72a4a84440d3a0d2fbe1bc4eb...
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.