OpenTechnical

OT-2026-000065975

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000065975) never changes.

Identity and time

Publication numberOT-2026-000065975 · never reused
Internal UUID01a0ae8e-8dc2-7db9-a4c9-b9864caadd08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065975
StatusPUBLIC

Content hashes

Canonical textd81af8ddddd60a7692290bb145bdc0c33935599fddae4e113920bbb456b136ad
Markdownb9a0651befa9b1d4e94879d3368770314554c788f1db836444be9609b48bb0f9
PDF
Publication pagead4dba1a5525dfbed04352163736c04499eef94772115b3665e42ab76871818f
Manifest5a46f495c32de8324f710e01b5ff8e797f74dac91787b83eed5211222f03ae07

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
SignaturepzG32O5KjwigjtDDMZMMZGAQxEiYN452JsK9VlxXQXr1Pz/303F/dkb661OI/GgQo5nLuhgdZuPbUwtM8zYIAw==
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

2026-09-17T08:50:27.854247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065975
observed ad4dba1a5525dfbed04352163736c044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.833503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065975/manifest.json
observed 5a46f495c32de8324f710e01b5ff8e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.799946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065975/publication.md
observed b9a0651befa9b1d4e94879d336877031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.778888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065975/publication.txt
observed d81af8ddddd60a7692290bb145bdc0c3...
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.