OpenTechnical

OT-2026-000040329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040329) never changes.

Identity and time

Publication numberOT-2026-000040329 · never reused
Internal UUID01a0ae79-2700-7132-845c-7dc640c15f38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040329
StatusPUBLIC

Content hashes

Canonical text87bb113a4c13059b6a3e8d30bbf4f1e9b3635cd6b4bdb325529882747a8930de
Markdown78795e4cb29cf2ea54bb85a90076aef2ab977dc8efd0609ee33b680c2a54c014
PDF
Publication page62499811bb9dedfe0886efc7538bb6eb5ab61dba7ffa0e10d687b92e56c3ed11
Manifest21159f1c2328b1c9db6141b15ad4d564a15b2aceff6f8dc61bad7e0689514b8b

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
Signature11pForopJT++7AtJJJL0OIbX1Xtlsg2+2Ekz76kNnMCK13ETGDpEoWhaG2LdvyjZnOzgBxY9ySGsXUgT2OhQCg==
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

2026-09-17T11:19:20.035449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040329
observed 62499811bb9dedfe0886efc7538bb6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.016143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040329/manifest.json
observed 21159f1c2328b1c9db6141b15ad4d564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:19.996682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040329/publication.md
observed 78795e4cb29cf2ea54bb85a90076aef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:19.979162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040329/publication.txt
observed 87bb113a4c13059b6a3e8d30bbf4f1e9...
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.