OpenTechnical

OT-2026-000065621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000065621) never changes.

Identity and time

Publication numberOT-2026-000065621 · never reused
Internal UUID01a0ae8e-46fa-7858-8472-b5dae9249c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065621
StatusPUBLIC

Content hashes

Canonical textbc873b399e060f408d4657f09a7f0eab16159aacd5e96b15ba4795ee2e442666
Markdown9f8680fa599ada4209eaa19bc89d367f804a0051b1ef074f50651f45186dfa2c
PDF
Publication pagee7d9070844ad8c33d9f98194bc194e05a2d317b18f98eca2d7c1c19e725c7490
Manifest09e55449d39f166011b0407577c464a967a65ede33e3ef36eae04bedb5bbf640

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
Signature0wQBM1pk5RXFRohbQ9t96nY8VwDYLdrjX7JCluBjrCzFRdrnvBi3LIpEBm2wA3RZDjqOgcHil2NjgA6LlZv/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:00.833515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065621
observed e7d9070844ad8c33d9f98194bc194e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.815300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065621/manifest.json
observed 09e55449d39f166011b0407577c464a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.797469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065621/publication.md
observed 9f8680fa599ada4209eaa19bc89d367f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.779806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065621/publication.txt
observed bc873b399e060f408d4657f09a7f0eab...
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.