OpenTechnical

OT-2026-000025545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000025545) never changes.

Identity and time

Publication numberOT-2026-000025545 · never reused
Internal UUID01a0ae71-5fa8-754f-bfa5-9e464d3c52f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025545
StatusPUBLIC

Content hashes

Canonical text974a2f4ddacae2be846f5f8190794a974922da5adb7e85bb8fd5bb680cb38946
Markdownf3449c189da79c2c2413d97548af24fceb6cf936448ef9322f04944a1a26eb24
PDF
Publication page1aabb0bd604d5eda906a69d6ce970439a417b50426103b21a7ae29dce7c01b64
Manifest1f886b7eb7e8e93a4b3184eb2dc0322e878f751b1c93f64170f3ae364a3ed209

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
Signaturezk+G4928ESCKxQIridWIvkhQDS89XKPRETHj9aUk96Yf+Js7A9B+5I1pEqNDOlVSFK6HQ5lqwOXxJ2PC2EgDBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:41.668198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025545
observed 1aabb0bd604d5eda906a69d6ce970439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.647618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025545/manifest.json
observed 1f886b7eb7e8e93a4b3184eb2dc0322e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.627158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025545/publication.md
observed f3449c189da79c2c2413d97548af24fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.608488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025545/publication.txt
observed 974a2f4ddacae2be846f5f8190794a97...
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.