OpenTechnical

OT-2026-000042148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000042148) never changes.

Identity and time

Publication numberOT-2026-000042148 · never reused
Internal UUID01a0ae7a-5d71-7ce5-be13-d07b8e5edbb4 · 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-2026-000042148
StatusPUBLIC

Content hashes

Canonical text340edd50c79a64785fb8e03a771e9e226399075f722cecf089cf2c1aabe7df56
Markdown3c193256aba4455ed2aaeea96cbdea209ca370b61e7aef55f73cbf0a48ab097d
PDF
Publication paged0ba93906871b111451eb970aafa9956b835dc8618d613b2763c3391978d4575
Manifest26b00883e62e26e87c207f43466603d1560dc62bdd656d786dd41e850a3f53a5

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
SignatureMiaz3820cfB1xzjkkwxbhH9Icl9YvPtRDRaQ9Rs/962tAXjT/xhkjwSU/rszovf4LXgE72ArfiHeRotbhxXNDw==
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

2026-09-17T11:15:42.084848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042148
observed d0ba93906871b111451eb970aafa9956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.066767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042148/manifest.json
observed 26b00883e62e26e87c207f43466603d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.048580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042148/publication.md
observed 3c193256aba4455ed2aaeea96cbdea20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.014077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042148/publication.txt
observed 340edd50c79a64785fb8e03a771e9e22...
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.