OpenTechnical

OT-2026-000064925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064925) never changes.

Identity and time

Publication numberOT-2026-000064925 · never reused
Internal UUID01a0ae8d-debd-713e-9ce4-4a8656955e6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064925
StatusPUBLIC

Content hashes

Canonical text8779f145e5b23f541b87b46a2de69c326bcffd5489f94bc0813e7aed34108b4b
Markdownb86fad3c26ea5c7b1df11e7ed448287cd8227b9967277222e32af1f01905e278
PDF
Publication pagee3f8e8af1a314d6577ed0296a3d9626265dba96a811bccfadb8a866ec6c3c97a
Manifest0e2c702302aeeca3072957e36048d894c6ea0aa8be6b90c854129623ef0fb89e

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
SignatureQZNI8IRNSn03jCD4GUh4vbEkB7B5lfeHETjjyoOxJ2OlZp8nlKJ4mupHbawS6wQFjfcSeGV9KDxGjz7v0hfhAw==
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

2026-09-17T10:35:51.634327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064925
observed e3f8e8af1a314d6577ed0296a3d96262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.618112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064925/manifest.json
observed 0e2c702302aeeca3072957e36048d894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.599201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064925/publication.md
observed b86fad3c26ea5c7b1df11e7ed448287c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.582284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064925/publication.txt
observed 8779f145e5b23f541b87b46a2de69c32...
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.