OpenTechnical

OT-2026-000097204

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000097204) never changes.

Identity and time

Publication numberOT-2026-000097204 · never reused
Internal UUID01a0aea1-01ca-758e-9a79-d21935ce2855 · 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-2026-000097204
StatusPUBLIC

Content hashes

Canonical texte84b144865a98d15745b59a62f3a02fe248c5b350375751a83b50553feb1af37
Markdowned31e420ff0da6098dc249765bdc2b45b5de2cac21644c1ddbc8f7a82a6c9ff6
PDF
Publication pagea3ab8add690d5f5dd2abc9f9554960280f2e347a4343203ffb76440188a51337
Manifesteff28e127877f19f99872f9d9d0da9f3e533c58e00f90f0bb4f5d83901265c97

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
SignaturewzE3av0gu4151XUxpBS9A6DH7Yq5duppLvebcAFazxMDll3z5GUhfG/QxkkHQpypJa6amKe14sAplf17qQynBA==
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

2026-09-17T09:33:26.800653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097204
observed a3ab8add690d5f5dd2abc9f955496028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.782985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097204/manifest.json
observed eff28e127877f19f99872f9d9d0da9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.766860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097204/publication.md
observed ed31e420ff0da6098dc249765bdc2b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.748128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097204/publication.txt
observed e84b144865a98d15745b59a62f3a02fe...
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.