OpenTechnical

OT-2026-000015090

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000015090) never changes.

Identity and time

Publication numberOT-2026-000015090 · never reused
Internal UUID01a0ae6d-d097-7e90-b9f1-0b156063779a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015090
StatusPUBLIC

Content hashes

Canonical textf1f01b751250dcf532be157e2f1dad980abf800286472a6db245ac4ffd7aa560
Markdown58502326156d4d76d74ad3ed13fb3a81de4a3773099c6d3ae9ed55e1f7def52a
PDF
Publication page791d1791bd8b6cbef3f5bf752ca240e95be844fee7c08220923d878bb3b9bb2d
Manifest5e650207c54ef2f9b0c32d69825d1a39f9daf314c9cf2d0f96d4d8f66dfc5bb6

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
Signature3a4JVfJdapHu5JNGlrgwbsp0RqoXLmM73/dfcMqhsz9E/BLrNGUqz0gmlA8cyKqvmWZFJcCZEeJ9GoAN7UqbCg==
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

2026-09-17T12:07:08.683256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015090
observed 791d1791bd8b6cbef3f5bf752ca240e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.665369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015090/manifest.json
observed 5e650207c54ef2f9b0c32d69825d1a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.647306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015090/publication.md
observed 58502326156d4d76d74ad3ed13fb3a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.629525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015090/publication.txt
observed f1f01b751250dcf532be157e2f1dad98...
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.