OpenTechnical

OT-2026-000046489

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000046489) never changes.

Identity and time

Publication numberOT-2026-000046489 · never reused
Internal UUID01a0ae7e-57dc-731b-b700-9f980268fb74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046489
StatusPUBLIC

Content hashes

Canonical text6ce9ef836edbdb8b3ba1b1e2ec9c075ad0faab4fc16aabe526b737118f061c75
Markdown52ee33e320c1497d32b0f5ae55d906194a4cb92ff3a94c2a9c53c232165e69e4
PDF
Publication pageeb078bdd7199b3a5f1b848a47457c1b022763e1a4105d63d234d213d72273a5c
Manifest478d85e5b8fc80ece76fc922758a85216c9276d9ecbc5f2986908e6947b40b27

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
SignatureysEBlw2cCbqUN0BVErQiQnMRrrGm3RnOmhePjXGxAXbmkvTkYTxsgfcw7FiBsZ97EFYVCR/Kz0t1OKNBhodwAg==
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

2026-09-17T11:08:31.564373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046489
observed eb078bdd7199b3a5f1b848a47457c1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.545919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046489/manifest.json
observed 478d85e5b8fc80ece76fc922758a8521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.527376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046489/publication.md
observed 52ee33e320c1497d32b0f5ae55d90619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.507461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046489/publication.txt
observed 6ce9ef836edbdb8b3ba1b1e2ec9c075a...
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.