OpenTechnical

OT-2026-000025017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000025017) never changes.

Identity and time

Publication numberOT-2026-000025017 · never reused
Internal UUID01a0ae71-2728-72e0-89f9-e60f695d70d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025017
StatusPUBLIC

Content hashes

Canonical text56b5ab90cdb2325486286b12c58db9dab89a8c6b3602b7a90eecbe6d7c3d0279
Markdownbc43aefa24424283570cb57342c21e51105a493c85251710b70f346eee5374c4
PDF
Publication page1e3593a5c4149452960d019a83f8f6ab5ffd8e4d84f3bcb1dcc561de0891ffdb
Manifest3484127d3bae79e7f0049d9656c9d87247a16390ed00f98cf11ea976c1f0b5a5

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
SignatureCLhZptq1joPJY6J2W8nP1rJonLBXrFgsEWoPZyZTsoBGXnWpix+fbBzhjz0U/4xt03OpTQYOs+yJBYdJzto3Ag==
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

2026-09-17T11:48:25.125334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025017
observed 1e3593a5c4149452960d019a83f8f6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.106464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025017/manifest.json
observed 3484127d3bae79e7f0049d9656c9d872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.086714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025017/publication.md
observed bc43aefa24424283570cb57342c21e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.068872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025017/publication.txt
observed 56b5ab90cdb2325486286b12c58db9da...
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.