OpenTechnical

OT-2026-000022283

Publication integrity record

Three bellows cup 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-2026-000022283) never changes.

Identity and time

Publication numberOT-2026-000022283 · never reused
Internal UUID01a0ae6f-f4fc-7af5-b758-4eb08ea58161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022283
StatusPUBLIC

Content hashes

Canonical text5390a079ded09859f7c43383fefb20a05b6b776a45c7f50cb708fd8b49a0d3be
Markdowndaa5b4e6a04240272b1ea385fd9d4473cdd2709e77fb53c86fe2fdd812af9bcc
PDF
Publication page996f07976786673783cc29e6faf4fc28492a46ccb26c41bb1f112f31e96a9aa5
Manifest6eff4b591ead0baa6d3a7975edb7de34f8342d1733a4ff8139bbf72a3fac2b62

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
Signature4zV/Ze6By7SCLdAge95RNhVAD6b2Jj6O+pbNLoskPKHo4Kh0Un6CAwJFDU1qJDFf8OYQUhw8P9A6gdHmQyfXBg==
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

2026-09-17T11:53:05.100992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022283
observed 996f07976786673783cc29e6faf4fc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.083138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022283/manifest.json
observed 6eff4b591ead0baa6d3a7975edb7de34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.066860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022283/publication.md
observed daa5b4e6a04240272b1ea385fd9d4473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.050225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022283/publication.txt
observed 5390a079ded09859f7c43383fefb20a0...
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.