OpenTechnical

OT-2026-000025023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000025023) never changes.

Identity and time

Publication numberOT-2026-000025023 · never reused
Internal UUID01a0ae71-2728-7936-aeb4-61b874663682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025023
StatusPUBLIC

Content hashes

Canonical text9a2444911345d3805c970472e838a3f7c870f2961bd8e6e53c1334b39d41458f
Markdown4ac4783f91385b2488a4ecbbf7706c7bd197c64bd9707415a32f4903eebf2787
PDF
Publication pagea2d06dc73a88e730a884026efdf43a334877592d997336a3eba6010984471b85
Manifestf7f3100f63fa9e3bb0de0f31df648ffef0368b363a723aa435b37db809d75dc2

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
Signature76+MqdQsEl3qlFmlDqh9aX4X88Bv9lgqn5czqOv6ZvDa0LBaldz7DZpmqpmOyryfdYkx897dm1RrUIfCt0RMCg==
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

2026-09-17T11:48:25.513232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025023
observed a2d06dc73a88e730a884026efdf43a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.497653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025023/manifest.json
observed f7f3100f63fa9e3bb0de0f31df648ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.480521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025023/publication.md
observed 4ac4783f91385b2488a4ecbbf7706c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.462189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025023/publication.txt
observed 9a2444911345d3805c970472e838a3f7...
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.