OpenTechnical

OT-2026-000007738

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000007738) never changes.

Identity and time

Publication numberOT-2026-000007738 · never reused
Internal UUID01a0ae62-843f-7146-93ce-09b72bd7b1c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007738
StatusPUBLIC

Content hashes

Canonical textca6baee0a9f7709b3a6d87e4eef03978ea2334ef535431ed9acdef4a557b1730
Markdown6b8e36c4c46e5ca249f926cb0cd31cbbe2a8c3fa18c572529589330feb721024
PDF
Publication page4bd06562704b0c9cf07f5b5473388310d97438c6cdedd9dbf68b404561311c4b
Manifest16418fc18c11853e8f9c0b380c168deb6d61a145441afce43fc12292a05daa33

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
SignatureHYoVKH6RW9iOCG5p42l4XQjA9f1sWT1S39/e74t6azyZAd+Hzau3eenK8t/SBiIi0RBFXLlbpIP5iEMt6y0nBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.840273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007738
observed 4bd06562704b0c9cf07f5b5473388310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.820842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007738/manifest.json
observed 16418fc18c11853e8f9c0b380c168deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.802709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007738/publication.md
observed 6b8e36c4c46e5ca249f926cb0cd31cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.785577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007738/publication.txt
observed ca6baee0a9f7709b3a6d87e4eef03978...
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.