OpenTechnical

OT-2026-000013193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000013193) never changes.

Identity and time

Publication numberOT-2026-000013193 · never reused
Internal UUID01a0ae6d-6fc8-7418-b8d5-0c8dda66c765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013193
StatusPUBLIC

Content hashes

Canonical textc96e29274de8efc61fc4039cc9e43e50b7811ebd78caa04ff13668a536375ed2
Markdown72980c9f909b24ef6912f97d5074781484083022b8573cf8db1256606b088d08
PDF
Publication page311c98c4fc0e388528826c2a08b520a3b182c1efa2c24af7dd63ac522f480982
Manifestcf80f5a8f6da152016dbff8476aa54b28efaa651bdcc4c0d58b6030ffb260ca0

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
Signature4Iz5DYoLaMqdsZt+eYotmm7Hrh0VsmYFWtzCEvKuhxaWjK8XgjckJMXKl4SyI2qXNwM21VL7Mgf+nbNk5FVJDw==
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

2026-09-17T12:09:34.550771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013193
observed 311c98c4fc0e388528826c2a08b520a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.534177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013193/manifest.json
observed cf80f5a8f6da152016dbff8476aa54b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.518177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013193/publication.md
observed 72980c9f909b24ef6912f97d50747814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.499393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013193/publication.txt
observed c96e29274de8efc61fc4039cc9e43e50...
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.