OpenTechnical

OT-2026-000013602

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000013602) never changes.

Identity and time

Publication numberOT-2026-000013602 · never reused
Internal UUID01a0ae6d-6fcb-75eb-9699-8fb880754d9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013602
StatusPUBLIC

Content hashes

Canonical text03422df840cd001efe1310c664d534ff3c51885511b36aa5c780911952d685f4
Markdown696032ff7e3bd8b832a88363bd0a524450cef1c84c4a990d976ad1e4266709ad
PDF
Publication pagebdcb780e90979e4fd70090fc7a988aa983993d8436630e6bce7ba1dc44205996
Manifest68babc18c06838bc5e4ff29e67126aae929478343cf38f8c7777babf35cba263

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
SignatureeqJh9sSgcKw+lhgHJ3jKyW2QO6+vC7kPQelFXEJ043JC/9TQG9OnB7ffXfQ8sdCGcNdNxHTQUSGFyXkcBJD9Ag==
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

2026-09-17T12:10:09.494600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013602
observed bdcb780e90979e4fd70090fc7a988aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.475165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013602/manifest.json
observed 68babc18c06838bc5e4ff29e67126aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.456098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013602/publication.md
observed 696032ff7e3bd8b832a88363bd0a5244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.439364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013602/publication.txt
observed 03422df840cd001efe1310c664d534ff...
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.