OpenTechnical

OT-2026-000064302

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000064302) never changes.

Identity and time

Publication numberOT-2026-000064302 · never reused
Internal UUID01a0ae8d-a460-759f-ae32-6866e3955b1d · 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-2026-000064302
StatusPUBLIC

Content hashes

Canonical text8641aad13066e19340e6c3c2d91e05ec9ff184ead9ad894a450e1eb4d1d42b50
Markdown73fae7b417cac24cf25178e647224e6935df98e4de099ee2f6f0c2a7f07c62a6
PDF
Publication page387ebc90192336f4a036d39e41589fb0a1e09665fc87d7af93b9a0d1d8da1fdf
Manifest7bb8f815589910b13949d8594965b0db70b6f72f876ffd2ba941e890136c3523

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
SignatureiQ47EWlUeuIiYGJCye83uLqr5Jm6PA21/c7SRnliJG8aZ1QE9zfZu3gI0kA/uZXsQj+xtHZaVYz+6E1WHWiyBw==
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

2026-09-17T10:36:26.962884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064302
observed 387ebc90192336f4a036d39e41589fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.942062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064302/manifest.json
observed 7bb8f815589910b13949d8594965b0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.918102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064302/publication.md
observed 73fae7b417cac24cf25178e647224e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.893429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064302/publication.txt
observed 8641aad13066e19340e6c3c2d91e05ec...
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.