OpenTechnical

OT-2026-000022254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022254) never changes.

Identity and time

Publication numberOT-2026-000022254 · never reused
Internal UUID01a0ae6f-f4fc-7cf4-9e74-280a1d6b1606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022254
StatusPUBLIC

Content hashes

Canonical text066a060ece0ffaa211d70e5b8303c4150837fe739a4682162b6df9872313d291
Markdownccd6525c071f3913fee853209fb3bfd8cbde1dace91368caa9ffd6800a14ab9d
PDF
Publication paged916a467b6ee9b771e8d2dd4d67e4ed4f76634acfc06324e08e222cbb18fdb07
Manifest8e9a1d11add426956a9efeea0ef836885447f64281fccef56380d5e9d0d45a3c

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
Signatureo/xrWyCqYJ/5kE1lhO1L4Z6jS5gjBVRVR/3s2zXK017Tn++jS9MWdBN0aU9GrpjU/LaWREx7HjckNEJhBqIPDQ==
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

2026-09-17T11:52:45.884564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022254
observed d916a467b6ee9b771e8d2dd4d67e4ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.867067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022254/manifest.json
observed 8e9a1d11add426956a9efeea0ef83688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.848872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022254/publication.md
observed ccd6525c071f3913fee853209fb3bfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.831968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022254/publication.txt
observed 066a060ece0ffaa211d70e5b8303c415...
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.