OpenTechnical

OT-2026-000066190

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000066190) never changes.

Identity and time

Publication numberOT-2026-000066190 · never reused
Internal UUID01a0ae8e-8dc3-7afb-a0b0-a90eef2a65fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066190
StatusPUBLIC

Content hashes

Canonical text79004671054b9f607b392fd2bfc933994902f3d2ad557547194a33347b6e39e6
Markdownd16e37680da80f4a28fbbac825d45c71d3aac6400dc65a5b8e046f8eacd2d0e5
PDF
Publication page59fd66f19f61d0d6bf2cf023ad8c0f5210ae6596d992cc3e7a08489177dba0a7
Manifestddb0756bcfcb9efd6a4021216209e56d2078239aa6fca0eb13837de465babafc

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
SignatureBWBkOoq7dj/LaA6JIwbrVtB4dEQyOshhJ5g+wBTzv+TopRWgs50smzHou+To9HQT/D/T93vVXjaMqSizTKuNDg==
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

2026-09-17T10:33:20.358398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066190
observed 59fd66f19f61d0d6bf2cf023ad8c0f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.337627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066190/manifest.json
observed ddb0756bcfcb9efd6a4021216209e56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.319212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066190/publication.md
observed d16e37680da80f4a28fbbac825d45c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.301554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066190/publication.txt
observed 79004671054b9f607b392fd2bfc93399...
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.