OpenTechnical

OT-2026-000011925

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000011925) never changes.

Identity and time

Publication numberOT-2026-000011925 · never reused
Internal UUID01a0ae6d-1942-779e-8c2b-679b6acd77f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011925
StatusPUBLIC

Content hashes

Canonical text30022fe17c71596e0bc3f91ea7c3a3930aaae66ae38e553d041b450d2051de78
Markdown74e6d4bfc5b60c4a0d00282fd91db2b3c7efd01177e3159e965cb9843d9f5215
PDF
Publication pageef427159e7bb0a86cd25941229a12544fb1c4e17b086f9c642df2b998b10a523
Manifestc2b490f0d9789f095acfea61d5e543de3c6f53ff85653c9e855a559f4becdb72

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
SignatureydxOJQcb9xan8WRpSQ53BXKv3x2hnyMfxGLcxI/sHOq3o/LUys0cALdcFb32OeiImu02Xeh1scJhOZlj7hhNBg==
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

2026-09-17T12:12:41.579645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011925
observed ef427159e7bb0a86cd25941229a12544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.561159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011925/manifest.json
observed c2b490f0d9789f095acfea61d5e543de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.540367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011925/publication.md
observed 74e6d4bfc5b60c4a0d00282fd91db2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.522208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011925/publication.txt
observed 30022fe17c71596e0bc3f91ea7c3a393...
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.