OpenTechnical

OT-2026-000064739

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064739) never changes.

Identity and time

Publication numberOT-2026-000064739 · never reused
Internal UUID01a0ae8d-deba-78eb-937d-422fd0436ef4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064739
StatusPUBLIC

Content hashes

Canonical text9e0fc97d722456b12027f42558f14b40a53125687ee30b0508d441d86ec69f7c
Markdown6f21189ea9bc1cac168cd6183eaca2d494b51569cd7b64b7477baa6ac0aa70b4
PDF
Publication pagebfcb09b9ad3a16ff6fe8528659bf1aa30e54ef60725ae6966eba9f3e0a58d1e9
Manifest78264e792df3d1c454aae0fe7d451d22db767e51c75cbf64910dd36972619d3c

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
Signaturem8Usl6U58nUoffN+ceiBO+6gtYIPJsmNHQiDl6l3qYok65mca4TUVAej8FR+DXMqQLtIb3Xght5wJvxfvE/UAQ==
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

2026-09-17T10:35:37.147263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064739
observed bfcb09b9ad3a16ff6fe8528659bf1aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.129647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064739/manifest.json
observed 78264e792df3d1c454aae0fe7d451d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.110206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064739/publication.md
observed 6f21189ea9bc1cac168cd6183eaca2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.092601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064739/publication.txt
observed 9e0fc97d722456b12027f42558f14b40...
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.