OpenTechnical

OT-2026-000048961

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048961) never changes.

Identity and time

Publication numberOT-2026-000048961 · never reused
Internal UUID01a0ae81-134c-7d2a-bc45-46415c93bb0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048961
StatusPUBLIC

Content hashes

Canonical texte29ad8d5ee89c3dcba310fc4f79ba6f8bbe5c803d737788bf1ce57bb1803d4ad
Markdownd50fb7f6420599e9e888a62f638e0abfb62ca4c2f647324971d29cf41329946f
PDF
Publication page8ae15e1783304c0fb931d7948177c8c08bf339b6b39bdb6f0efcc7c4a4f986f2
Manifest74fbab4637c47ab4b35467e8270bde69c53b47029e0b4794e8b9ad77101c39a0

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
Signatureuv5Pf/t7+7P/uNU6DYQ+A1oFVFqOirGawFpQ4JHlS4hQin2DG2N3TlomD0I0Mb7WsgEEspDwKnLd1vEEZTaIDw==
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

2026-09-17T11:03:09.449903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048961
observed 8ae15e1783304c0fb931d7948177c8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.397890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048961/manifest.json
observed 74fbab4637c47ab4b35467e8270bde69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.378750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048961/publication.md
observed d50fb7f6420599e9e888a62f638e0abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.328905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048961/publication.txt
observed e29ad8d5ee89c3dcba310fc4f79ba6f8...
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.