OpenTechnical

OT-2026-000030014

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000030014) never changes.

Identity and time

Publication numberOT-2026-000030014 · never reused
Internal UUID01a0ae73-ac49-7adc-872c-0c44d416d054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030014
StatusPUBLIC

Content hashes

Canonical texte5af7a8d43a44397668d5d526d91b78ca323950fed3a6b47c1c80d6a3fadc3c2
Markdownfdf81da3d5e07cda3bbb1ddc4e69db0c88bfb41959658fed6a532e5c0ed1b7d3
PDF
Publication page994f6365597f2e3110c081b4df09c20175f64b6352dc5c6d8cff8418558720de
Manifest43a68e994c442df3582b2ff3178f48b93bb31bce91b1800c4930e11916aec598

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
SignaturemiN7Zir+KRNLyTCXV8vsZL/9f+fUoGtzVncLDQYdCWMUeFhJKfHb81d2TgyQYn7+DokGrNfgSKeoC468l/+1Dw==
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

2026-09-17T11:38:44.887161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030014
observed 994f6365597f2e3110c081b4df09c201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.870826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030014/manifest.json
observed 43a68e994c442df3582b2ff3178f48b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.854884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030014/publication.md
observed fdf81da3d5e07cda3bbb1ddc4e69db0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.836619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030014/publication.txt
observed e5af7a8d43a44397668d5d526d91b78c...
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.