OpenTechnical

OT-2026-000077843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077843) never changes.

Identity and time

Publication numberOT-2026-000077843 · never reused
Internal UUID01a0ae95-2ed0-7a49-95a1-cff09195a7f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077843
StatusPUBLIC

Content hashes

Canonical textfc3b57fb0f12a3c71eb308ac5783e63c97072736dad456ea3b835a13ce5d8032
Markdowna48f990eb7bf422f9ac9485f676bc70cf185a784dbbd383e7664ce32b9d4ecbb
PDF
Publication page148a42283dda1e39459c4f5f92d5a3464f9d29240e26c3e868441377c96440e6
Manifest9e5dbe0c5bade0e61ad0836487efda02f4a90a19c5cb894ad04fb19c0e9f0920

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
SignatureTbKjtJYEUjlta+7FtHKgNZWCz9ZCQM3HniCVdznn1sFVes0pSJxqOnNKKpR14+Z2YuspBtmxW5zH9uASGMQcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:34.816987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077843
observed 148a42283dda1e39459c4f5f92d5a346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:34.796187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077843/manifest.json
observed 9e5dbe0c5bade0e61ad0836487efda02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:34.774662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077843/publication.md
observed a48f990eb7bf422f9ac9485f676bc70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:34.753514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077843/publication.txt
observed fc3b57fb0f12a3c71eb308ac5783e63c...
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.