OpenTechnical

OT-2026-000044863

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000044863) never changes.

Identity and time

Publication numberOT-2026-000044863 · never reused
Internal UUID01a0ae7c-911b-7c16-8951-937f0fd30b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044863
StatusPUBLIC

Content hashes

Canonical text4a19b1bd490b63545752c9c3392b5f43c958907a938c3f89917f7391f55223e1
Markdown63d5d52f17c8e2329f8b0db6aa4c038b645d9bd1629fe813923576ef6fc1f32a
PDF
Publication pagec64cb738226b96a758753828488780921e0704bf716633ca0448bca861121a5b
Manifest3f6dd993793df8e3b1ccac76ce4d7abffcf4958c583553d0e098302243155e63

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
Signature4q9YieeOVp84/GrsHSC+l1lk+dF5z0yD4c+MH3rSnd1U3nXK+zVXub7DfUzfncBiALq1p8jZprsoEXvq26rIBw==
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

2026-09-17T11:11:30.851391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044863
observed c64cb738226b96a75875382848878092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.832942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044863/manifest.json
observed 3f6dd993793df8e3b1ccac76ce4d7abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.812246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044863/publication.md
observed 63d5d52f17c8e2329f8b0db6aa4c038b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.794127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044863/publication.txt
observed 4a19b1bd490b63545752c9c3392b5f43...
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.