OpenTechnical

OT-2026-000029469

Publication integrity record

Two cup vacuum gripper, two 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-2026-000029469) never changes.

Identity and time

Publication numberOT-2026-000029469 · never reused
Internal UUID01a0ae73-5e21-79d8-a84f-c40158667e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029469
StatusPUBLIC

Content hashes

Canonical text7abea5e5f0f2136126d319edba03958f8693cd4c06be486cc52d6402a7d123b7
Markdownd424a815fe501fc3dc084a48c617ae6939ff0eb315753a9d8527fd5ffa0bee56
PDF
Publication page71d7f1b21c6b8b51174576e3e8b95713b21facd60b26ddff56c04e232b8dd1f6
Manifest5220ca213799bcc3023d5bd504787a2cc5f45b95ad7d4104c9359857d19f4c39

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
SignaturecfqE3REVY8niqxPpNtGWp+OQo1zWKt3sV2o+hslhXx4qQC4XbBZx1d8tVOilAEYj0dRCF06i48IF6BdhdXZRBg==
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

2026-09-17T11:39:05.588939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029469
observed 71d7f1b21c6b8b51174576e3e8b95713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.570229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029469/manifest.json
observed 5220ca213799bcc3023d5bd504787a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.553541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029469/publication.md
observed d424a815fe501fc3dc084a48c617ae69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.537440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029469/publication.txt
observed 7abea5e5f0f2136126d319edba03958f...
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.