OpenTechnical

OT-2026-000059405

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down

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-2026-000059405) never changes.

Identity and time

Publication numberOT-2026-000059405 · never reused
Internal UUID01a0ae89-8617-77ee-a88c-620637c84877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059405
StatusPUBLIC

Content hashes

Canonical text20fa3e6c40de29060bfd94a9fc0723d4f6aa98e5d00f342f26c7a5a05192aa5d
Markdown0d533cbe738e42957f17a089ad7aa1ac73f1e89021c49732ffe5a22fc4bd3d67
PDF
Publication page106bc2ad5574f21ec67deff67312adb4d84e5645b43787403054af8f4b5c230b
Manifest702c118206f26f967219d75e3cfb0a838c0667dabbaa574258613347186e492f

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
SignatureoKWl2ZHInVfcPQSWJsOXoURY1YThsTbmTLEJLgDiLucqInOjhvZ4l+zc3ctuSZSAN1v3q02h2d6mADdcc+EDCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:05.146063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059405
observed 106bc2ad5574f21ec67deff67312adb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.121487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059405/manifest.json
observed 702c118206f26f967219d75e3cfb0a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.102375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059405/publication.md
observed 0d533cbe738e42957f17a089ad7aa1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.083929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059405/publication.txt
observed 20fa3e6c40de29060bfd94a9fc0723d4...
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.