OpenTechnical

OT-2026-000083402

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083402) never changes.

Identity and time

Publication numberOT-2026-000083402 · never reused
Internal UUID01a0ae97-c964-76fc-8651-45800243b820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083402
StatusPUBLIC

Content hashes

Canonical text35aca374cfb0af0efa00ba05a2b26e6f99882665b58b23229786bbc65f0694d4
Markdown6ff392167c6edadf8fe5db0ead816a0012890d4ee9b92bf867bfa67f4a1a1132
PDF
Publication page4ad221a944b26d19f694abfe97f096d06d828a1af8d51c838f0cf33d7503f3b5
Manifestf0d44035cef6fe58aa6632c522f2122087814eed5b625937d7dea192787a226e

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
SignatureiMpBHCI5Pu5Y+ztJZkwV79EFl71Wy2inCugV1/X9qI3BlyKPnEu3Gw9Gu1MDRLSG3nSA+H7QKjCZe4OIyrUzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:52.232984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402
observed 4ad221a944b26d19f694abfe97f096d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.215960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/manifest.json
observed f0d44035cef6fe58aa6632c522f21220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.197469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/publication.md
observed 6ff392167c6edadf8fe5db0ead816a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.180779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/publication.txt
observed 35aca374cfb0af0efa00ba05a2b26e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.802796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402
observed 4ad221a944b26d19f694abfe97f096d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.787191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/manifest.json
observed f0d44035cef6fe58aa6632c522f21220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.755940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/publication.md
observed 6ff392167c6edadf8fe5db0ead816a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.740432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083402/publication.txt
observed 35aca374cfb0af0efa00ba05a2b26e6f...
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.