OpenTechnical

OT-2026-000097083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000097083) never changes.

Identity and time

Publication numberOT-2026-000097083 · never reused
Internal UUID01a0aea1-01c9-744f-8154-f9def74106fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097083
StatusPUBLIC

Content hashes

Canonical text1861587793e3c65d2efacefeeab7d9d7788d35e82d827807925070942d4d3856
Markdownbeb4812b3eebce92b06e7c8da2d3c09187ecd8066c4c31c63cfa9f5157b7268f
PDF
Publication page4f4b35bb52d853593e606a5b03d2c892fe4a01889a96a21d626cb54cec859c8b
Manifest4c5c02b9c494f40dd13a13ee132d79e107392bfa25dbcf383f198947fd765c12

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
SignatureN15HPsujbpyV5piuqiBecD9CWlklG9VMthJWQkdZvS9bfSzOzbl4kGyt7CtZkjO6baNcnYljMlb1oSA7aqcJBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:40.669859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097083
observed 4f4b35bb52d853593e606a5b03d2c892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.652368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097083/manifest.json
observed 4c5c02b9c494f40dd13a13ee132d79e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.634479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097083/publication.md
observed beb4812b3eebce92b06e7c8da2d3c091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.617319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097083/publication.txt
observed 1861587793e3c65d2efacefeeab7d9d7...
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.