OpenTechnical

OT-2026-000064499

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064499) never changes.

Identity and time

Publication numberOT-2026-000064499 · never reused
Internal UUID01a0ae8d-a461-77f3-b0df-0e29d42e2e87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064499
StatusPUBLIC

Content hashes

Canonical textcc64ee20daedd5f3a17465f879f08ebf13acbc59e4bead93bfb9715c3c7e5f40
Markdown2beb810b77cec54eb14e2ec13bd20dfdcf73629dec26660512b888caced40ab6
PDF
Publication pagecceec95c09d09dc31369224720ede932608fac14678263962293a32c44022e4c
Manifest07bdcffad2297991ce9d12f58b9e8f35bf2c9d0100148eacc2ed712f4f2e9c10

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
SignatureuLSKvOgKPlIAXzxeqsD32S9EwSeeGVBosFfGU7QitvlaLi3XlTRL5Tla7yVEw+TH1KwxNbU7j1aGXr5CIV0RAw==
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

2026-09-17T10:36:42.330337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064499
observed cceec95c09d09dc31369224720ede932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.311018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064499/manifest.json
observed 07bdcffad2297991ce9d12f58b9e8f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.292251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064499/publication.md
observed 2beb810b77cec54eb14e2ec13bd20dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.274665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064499/publication.txt
observed cc64ee20daedd5f3a17465f879f08ebf...
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.