OpenTechnical

OT-2026-000034438

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000034438) never changes.

Identity and time

Publication numberOT-2026-000034438 · never reused
Internal UUID01a0ae76-12eb-74ae-bc1e-885f5132563b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034438
StatusPUBLIC

Content hashes

Canonical text7f5e971220f3b57c85aba948411391a346e354c5b24f46e49d3b1b09495d7340
Markdowndf10d8fdd3a88562d65c09ee628402c8071e0057f29e8489befebd4dfd18af8c
PDF
Publication page6cdc6bd66d2a0395632c45e2b74b0633789b680b6fceeb6b2261e2363162adb8
Manifest52479065caa27e5e562a773671b97ee4aa910985363d4609a102dd0896e2e5cb

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
Signature9341tIUJ7NIhdozRNcAhpe37hiBpJYoJjrnfwjrCjhwE75MZKVKi8nKlO3GGgs1euUvJUph7Ed2xynxK6n1XAA==
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

2026-09-17T11:30:45.723640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438
observed 6cdc6bd66d2a0395632c45e2b74b0633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.703113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/manifest.json
observed 52479065caa27e5e562a773671b97ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.682083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/publication.md
observed df10d8fdd3a88562d65c09ee628402c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.663801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/publication.txt
observed 7f5e971220f3b57c85aba948411391a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.490300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438
observed 6cdc6bd66d2a0395632c45e2b74b0633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.470109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/manifest.json
observed 52479065caa27e5e562a773671b97ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.448718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/publication.md
observed df10d8fdd3a88562d65c09ee628402c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.430665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034438/publication.txt
observed 7f5e971220f3b57c85aba948411391a3...
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.