OpenTechnical

OT-2026-000007679

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000007679) never changes.

Identity and time

Publication numberOT-2026-000007679 · never reused
Internal UUID01a0ae62-76bd-7e46-888f-d82e7dd83ffc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007679
StatusPUBLIC

Content hashes

Canonical text17ddb96769b78b3d0a720f12498db81abb938d2c8cc9134ad24f3cad619653e4
Markdown2a1c63ca32f10585cf5a1dd7eb1d3a11b0c1bd89800531a95332e1f059458391
PDF
Publication page532db62b83a2f7e32331d657a994ae7bc13310063310ac5c53ea2c113993bb43
Manifest0e0b14c1de4da9d50e0893e92b305a20c35b1ad05a81fbc9dda3e0aae12988ed

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
Signature8GU5Y3YNF1Fge9OyKjQiRYsite3MgZS248L9YcXx/xSObWqU+oL79nSHIfD20DIb+l9Axer/VFL+df7c70nXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.344285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007679
observed 532db62b83a2f7e32331d657a994ae7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.327244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007679/manifest.json
observed 0e0b14c1de4da9d50e0893e92b305a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.309426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007679/publication.md
observed 2a1c63ca32f10585cf5a1dd7eb1d3a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.291437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007679/publication.txt
observed 17ddb96769b78b3d0a720f12498db81a...
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.