OpenTechnical

OT-2026-000037451

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000037451) never changes.

Identity and time

Publication numberOT-2026-000037451 · never reused
Internal UUID01a0ae77-b8ce-7c0d-aecc-118877b55d00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037451
StatusPUBLIC

Content hashes

Canonical text09c9792ac56b8afcd6781515349890569019305c97880aaf04c882a1987dc31a
Markdownbfcfd4e79823993ea810c045c93fab85e44cda2da8d58595e3a3aa41cf0b4a23
PDF
Publication page3ef3d39be99d9a46c7c9291fdfc6735932ed56a393751f1c065bdc65b0403986
Manifested4f2aaad9f21d39167de6d6d22f9876e340b36fa0b63a21ca85e45af0926990

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
SignaturetsiHd8ZLwoMbW+XHC59f+cc+L8Rk1jum5GkXAUuRZ6FDbO9sQksZ0EO3LWb04ggLCLhvoXnDr1dda8iy1oU9CA==
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

2026-09-17T11:23:53.166944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037451
observed 3ef3d39be99d9a46c7c9291fdfc67359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.150712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037451/manifest.json
observed ed4f2aaad9f21d39167de6d6d22f9876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.131179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037451/publication.md
observed bfcfd4e79823993ea810c045c93fab85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.114550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037451/publication.txt
observed 09c9792ac56b8afcd678151534989056...
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.