OpenTechnical

OT-2026-000013901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000013901) never changes.

Identity and time

Publication numberOT-2026-000013901 · never reused
Internal UUID01a0ae6d-8dea-7ce2-add5-643387256cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013901
StatusPUBLIC

Content hashes

Canonical text46e7eb83f5d9caf26d91e32cf7b7f7c87abc0d615ecbd8b2d325045f505f4f2f
Markdown610363603b4e38deeeb3457f798b41e0105fce7fc5237c64628724bca5292ff6
PDF
Publication pageaeff9692fe7b2e37fb26248d9e32fd9e0290250e25fd94856126b477bd72926a
Manifest8ba9774796645e81c994774887b5f93f58d599b7e65520fbefa2bd0593d14980

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
SignatureYRsL6Jt5N4YE3gX9OtzLxciM0dVSmQ6qDlhGafnwHY7ThANuKKVxOVC96gvvsIIPKQ4qUasT+qTz3/SUkO34Dg==
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

2026-09-17T12:09:01.659645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013901
observed aeff9692fe7b2e37fb26248d9e32fd9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.638924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013901/manifest.json
observed 8ba9774796645e81c994774887b5f93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.616983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013901/publication.md
observed 610363603b4e38deeeb3457f798b41e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.598794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013901/publication.txt
observed 46e7eb83f5d9caf26d91e32cf7b7f7c8...
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.