OpenTechnical

OT-2026-000025465

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000025465) never changes.

Identity and time

Publication numberOT-2026-000025465 · never reused
Internal UUID01a0ae71-5fa8-74c6-b050-fe971ff20369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025465
StatusPUBLIC

Content hashes

Canonical texte7d0c22ef04446ef9b241500a234c2c7570178e35cd6ce027fd6038eaa667ef4
Markdown59678dfde9d9d803008f6deeea98cfa5b94ba1506aa9a3ad73153519afe1dd90
PDF
Publication pagefcd82bb0cfcf3eed61194c926e35a5f15a6b37fc320fe594f20cff5ea7387bd7
Manifest0ba96953d7a7de1334fb6d88c84eacd8ad0da31f0ab12c6f9fd786293db1396a

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
Signature0queJ/PzJaRLl2LT4IwpmBdETaVZnMSfUqNsjw66JmoJLRqUTGUvYOnFpyW2UuII/HWUs4AlZ+IV7V8fN65ABw==
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

2026-09-17T11:47:33.114201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025465
observed fcd82bb0cfcf3eed61194c926e35a5f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.096799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025465/manifest.json
observed 0ba96953d7a7de1334fb6d88c84eacd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.077687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025465/publication.md
observed 59678dfde9d9d803008f6deeea98cfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.061586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025465/publication.txt
observed e7d0c22ef04446ef9b241500a234c2c7...
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.