OpenTechnical

OT-2026-000019702

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019702) never changes.

Identity and time

Publication numberOT-2026-000019702 · never reused
Internal UUID01a0ae6f-1fb3-7a54-8cb4-1ec3d8e04220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019702
StatusPUBLIC

Content hashes

Canonical textfdcb689939b127fb0474e16ef60f48acf5a2b74efe5d8a2bffcfb987f059534a
Markdown2bc7ec96477adcc13abebd0aae5b2ddaf52986ffe83a2ffd5fee484cfa01a424
PDF
Publication pagebde5d87e0684d58eb5ff1441699c54f525a6a92a6349496bd65ffb88ee1d8f48
Manifest9557b0ebe80a917946b4c1d92f59e754be50db840a733f3cb3210a4736becde7

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
Signature8OmJYhel5LiQVekYAq18TeZLq3KwkfkWttD4TQDZkpJuxCent/KbB5z1Cx1/GSz/xdD1MuW5wbxEZY8K0aEqBA==
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

2026-09-17T11:57:47.186149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019702
observed bde5d87e0684d58eb5ff1441699c54f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.169435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019702/manifest.json
observed 9557b0ebe80a917946b4c1d92f59e754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.151990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019702/publication.md
observed 2bc7ec96477adcc13abebd0aae5b2dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.132321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019702/publication.txt
observed fdcb689939b127fb0474e16ef60f48ac...
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.