OpenTechnical

OT-2026-000038580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000038580) never changes.

Identity and time

Publication numberOT-2026-000038580 · never reused
Internal UUID01a0ae78-2d54-7af2-9f75-8d8e0ad3ace1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038580
StatusPUBLIC

Content hashes

Canonical text19d77407718134e617cad2a8f8120ba5e29be7a0d474c4468c7ba4baa3d6f5e5
Markdown0790d4b17349b4d0dc221d6cbdab612c30fae1a9a8d813a358132e764fcd6cae
PDF
Publication page5f9473cedf70cebd01f4df6dd4a0ea45b595f052011f213cc9b8005b95e57eb5
Manifest396d9952487e0c83b6a170dfc8ecfa8c5e7b6b1126d728f65d43aaf0089839f3

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
SignatureYhb0wksMOGbRJEmX8kwag2rCoJjUp8/POyTQuEYUdlTm6dhTTy2NCykCVSl8TWH4EBTxs0G9spJKVj7fiuzJCg==
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

2026-09-17T11:22:51.522467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038580
observed 5f9473cedf70cebd01f4df6dd4a0ea45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.427378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038580/manifest.json
observed 396d9952487e0c83b6a170dfc8ecfa8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.409324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038580/publication.md
observed 0790d4b17349b4d0dc221d6cbdab612c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.392843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038580/publication.txt
observed 19d77407718134e617cad2a8f8120ba5...
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.