OpenTechnical

OT-2026-000012161

Publication integrity record

Four cup vacuum gripper, four 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-2026-000012161) never changes.

Identity and time

Publication numberOT-2026-000012161 · never reused
Internal UUID01a0ae6d-39f4-7ce8-b980-05820eba937e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012161
StatusPUBLIC

Content hashes

Canonical text41e7d0613aa96238218800bca0915bac42f8cdbb0a889e23c9771f0a6babde8e
Markdown9d1966ccbc118fb771b624b5d29a0a5d7f57671273c9ad295ae68dbeac4b1eed
PDF
Publication pageeffdc01df2b5ad75f1cb17c8f51f8d4bb5d6fefbecfd2b2995a8e3cc1afcf041
Manifest9f4fc6ed493eddeb86a9d6f76b65b4790bdeb7e8b582233bbf3914a7512b08a1

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
SignatureWTO9XTdTq7fLk7Ea33+fhVCRaZtPMK2SB3Stov2B9aEiNZHeYRRDQs+ahGlhYT1Je20RrjYsuz6a3GeRXyT2Bw==
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

2026-09-17T12:11:03.538644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012161
observed effdc01df2b5ad75f1cb17c8f51f8d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.518261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012161/manifest.json
observed 9f4fc6ed493eddeb86a9d6f76b65b479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.500088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012161/publication.md
observed 9d1966ccbc118fb771b624b5d29a0a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.481361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012161/publication.txt
observed 41e7d0613aa96238218800bca0915bac...
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.