OpenTechnical

OT-2026-000042424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000042424) never changes.

Identity and time

Publication numberOT-2026-000042424 · never reused
Internal UUID01a0ae7a-5d75-7b3a-a147-beb00c1ae098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042424
StatusPUBLIC

Content hashes

Canonical text11e80a607699fb07d5cb190a8283572a877ec44dc7e08178b8997d9457f28f44
Markdownd734ddd1e83e9c33619f13a81d3f803249611600baf1629da3466631818178f3
PDF
Publication page74c27be1fd798ab8d8112774206e057bd65af491716327318371fcae968e64ee
Manifestfc4b7b33a10b0145c757a8c0a8add8e1b8fcd3b1d60e0f52e2e93769878366e3

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
SignaturerGqPJIGw7fblxq52YRM83yCJKmzn+/ezPYwSDP8HH7/YTuII85L1LWhSldFyPUQCWYiuSwRwVjJCEyVKZgs1Ag==
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

2026-09-17T11:16:13.440395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042424
observed 74c27be1fd798ab8d8112774206e057b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.422911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042424/manifest.json
observed fc4b7b33a10b0145c757a8c0a8add8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.405458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042424/publication.md
observed d734ddd1e83e9c33619f13a81d3f8032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.388283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042424/publication.txt
observed 11e80a607699fb07d5cb190a8283572a...
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.