OpenTechnical

OT-2026-000017081

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000017081) never changes.

Identity and time

Publication numberOT-2026-000017081 · never reused
Internal UUID01a0ae6e-591b-7329-8834-fd1e6e8817e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017081
StatusPUBLIC

Content hashes

Canonical textde898bb3540eb12d04e6aded6d6255e926fdad8c5d5f5a846f3193986ab6b5d2
Markdown385217d9d32af8c90d3bff8bdabfe22428550995d1e124a2262e52d634a56907
PDF
Publication paged85d8960e6c1a60fb5f91ba7b4732110483ecfa204145de7022d931c3386dbb1
Manifestac222869cd656a5f6a418c3f376d0626fdf21caddadbbf821cabc23f79631e51

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
SignatureYNnOhwj1XxDydqfnoOoxue4Ak21RBUyjRItn+9jBQPoum9IwXB/EPk14hckEjZ5OxSSejnFa9jjxa1Igi8W2AQ==
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

2026-09-17T12:03:30.106716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017081
observed d85d8960e6c1a60fb5f91ba7b4732110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.090879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017081/manifest.json
observed ac222869cd656a5f6a418c3f376d0626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.075300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017081/publication.md
observed 385217d9d32af8c90d3bff8bdabfe224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.058169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017081/publication.txt
observed de898bb3540eb12d04e6aded6d6255e9...
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.