OpenTechnical

OT-2026-000003693

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, plant vacuum fed

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-2026-000003693) never changes.

Identity and time

Publication numberOT-2026-000003693 · never reused
Internal UUID01a0a90a-c358-70f7-8d1d-ec430b9f1e67 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:30.010798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003693
StatusPUBLIC

Content hashes

Canonical text5e8a2db2029fbe910a64e1ce7df2284c859426d95ab4642509d3280677e40991
Markdown0838e288068203af53b1c04d09e3170c34e0ac7a6a62553219b71365f99be6af
PDF
Publication pagea9ed1f1ddfef4845bdf759358c1d727261eedf4fcf912d856f1d1e01334842ca
Manifest735a311985d39448a7cafcbba580d1fe068cca0fb4ca203d2619335130df9c20

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
SignatureKNzUXPSQhZDpphbDa3K8BGr7YARGlph1dpEhaNwdEoTBqOPHOvityKi6/zhhwJmQXEHEkrZXF6Kgp7P8qy0TAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:34.432738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003693
observed a9ed1f1ddfef4845bdf759358c1d7272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.417678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003693/manifest.json
observed 735a311985d39448a7cafcbba580d1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.399896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003693/publication.md
observed 0838e288068203af53b1c04d09e3170c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.383192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003693/publication.txt
observed 5e8a2db2029fbe910a64e1ce7df2284c...
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.