OpenTechnical

OT-2026-000019462

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019462) never changes.

Identity and time

Publication numberOT-2026-000019462 · never reused
Internal UUID01a0ae6e-f393-7c14-a021-a1b787729065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019462
StatusPUBLIC

Content hashes

Canonical text4fc355cdfe55a9f1b40d83106d0330d83e89954d533967aae1a93e0570338bc5
Markdown8544d3be7facac427409e9af5cfa32bb4f93acd66b64e750af771026c40ea19f
PDF
Publication page026bb8faadd7b09aca54b67c37f8306d2bef829ee4a1c444c32622a1edda584e
Manifest52b218f5886502595bc59f8d5f73ed6b252987ecb8d2e3e55e4c3e41dacfd161

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
Signaturexl7noCRMl1WkcS90xjVrVvRGZA1/HjBQZxwUzaI8PYz5pIQ5BjZ659LpB8VJsqs/14YDqcpAM4xCbZO/QKKmDQ==
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

2026-09-17T11:58:51.995449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019462
observed 026bb8faadd7b09aca54b67c37f8306d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.978984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019462/manifest.json
observed 52b218f5886502595bc59f8d5f73ed6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.960556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019462/publication.md
observed 8544d3be7facac427409e9af5cfa32bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.944113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019462/publication.txt
observed 4fc355cdfe55a9f1b40d83106d0330d8...
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.