OpenTechnical

OT-2026-000004772

Publication integrity record

Bellows cup vacuum gripper, four zone face, six outlet manifold, ejector fed, contact triggered

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-2026-000004772) never changes.

Identity and time

Publication numberOT-2026-000004772 · never reused
Internal UUID01a0a922-e0a5-7979-b656-d8a3921e4c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:33:50.375940Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004772
StatusPUBLIC

Content hashes

Canonical textc37ab2d3d379786ccb409b1db46d6383592a407e8e2512bb4c8fb9ca03350164
Markdown282badf3fa2b8629f8bd08c978a74c3086aa85ada200bc9ed9a3e08ae9480ab3
PDF
Publication page548349af819817b8beba45137997dda94e670bcf7823ab98030632f096c124df
Manifestcb033f1393f1217eb93f8e6a4880200f325a02055f3258c3a742765c30140fef

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
SignatureHhZ3oVzQDl7v1Ou77UMlY6FBnpvLOHlERdcTUoQothKqIYGZeO5tWYXTEqr4ViLzgMGaKEViZ84s18RTAMdNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:20.670641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004772
observed 548349af819817b8beba45137997dda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:20.657473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004772/manifest.json
observed cb033f1393f1217eb93f8e6a4880200f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:20.638270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004772/publication.md
observed 282badf3fa2b8629f8bd08c978a74c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:20.620274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004772/publication.txt
observed c37ab2d3d379786ccb409b1db46d6383...
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.