OpenTechnical

OT-2026-000029467

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000029467) never changes.

Identity and time

Publication numberOT-2026-000029467 · never reused
Internal UUID01a0ae73-5e21-7690-a4cd-110b1a04b336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029467
StatusPUBLIC

Content hashes

Canonical text8fc237b6af7a3401ae64807584bce4c8f7629f1a90a8f9f8a4feb4a16ca30484
Markdowna92353c3003e3f0756b5eb0b8dd879072f41b4a338555557d69604b70e4c1e99
PDF
Publication page85adbce1768cc8e5269cbe38d7719be148df7340e8ebb65932f0425dd179d2e9
Manifeste2d33398e5472a06ea52f36cb5528e8c900dea9f764abdfffdae5658a6fb8637

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
SignatureQAzutS05jy0HhQmGGHnfJ66cfm5vzJVjadC9TuckinTHe6ydLd6zbi1Xeypk0DU6Ff1fn++vrCnaGBkQKVt8CA==
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

2026-09-17T11:39:05.446580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029467
observed 85adbce1768cc8e5269cbe38d7719be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.417569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029467/manifest.json
observed e2d33398e5472a06ea52f36cb5528e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.394378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029467/publication.md
observed a92353c3003e3f0756b5eb0b8dd87907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.376156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029467/publication.txt
observed 8fc237b6af7a3401ae64807584bce4c8...
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.