OpenTechnical

OT-2026-000031864

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000031864) never changes.

Identity and time

Publication numberOT-2026-000031864 · never reused
Internal UUID01a0ae74-bad1-76c4-8725-8e81f643ea49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031864
StatusPUBLIC

Content hashes

Canonical text1dc52e3d5a09705c9d963311c87b6e29c2065348e772e778ad543723db4a9505
Markdown74baf7ac440d996a469ecb46ed4432018d0e1c5997d50f8f5ae7a9468e819b05
PDF
Publication pageb384394554346d7d3418ce8e3f8cbeb6ce3205450ad9840534cc01b6a1d7040d
Manifestfddda4a01b3717e1c2ff44640572f1c922c1bb1e9e511dd52698d2c2065071d5

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
SignaturendHklj5KwZt4JtOeZyEnkcXa3lJIhNSZ1FDtxUm9ZuE47ftPJQkbdmNKlYYJcOVxcimKRGSuv8yB5BixfIg8CA==
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

2026-09-17T11:35:07.299022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031864
observed b384394554346d7d3418ce8e3f8cbeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.281304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031864/manifest.json
observed fddda4a01b3717e1c2ff44640572f1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.261672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031864/publication.md
observed 74baf7ac440d996a469ecb46ed443201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.244825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031864/publication.txt
observed 1dc52e3d5a09705c9d963311c87b6e29...
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.