OpenTechnical

OT-2026-000064403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000064403) never changes.

Identity and time

Publication numberOT-2026-000064403 · never reused
Internal UUID01a0ae8d-a461-7e7a-97fe-bd83bc316be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064403
StatusPUBLIC

Content hashes

Canonical textfa2a643b7627edbce91112770634539653cf76e7a3b6e10c217773d05b2e686e
Markdown08d547cc3ad50bc0aaae3c4536dbae98be22b118fc9430d5c3582770cdd6ea38
PDF
Publication pagef344cb80f24b0dac161e7be05730902512e6a9946c6eaa80f967130f1889e068
Manifest6b09ec0b4dbf32c45ddbca35e621bb667350922b40dbf9c625d8ee96aaebadf4

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
SignatureQn2oWVvcar7Hom/X10JpvrvxlR1YGNjgngbzmsdHV+DCX5EEqCumVecd+qCja7qqh3Dwk5rYV86cNrEZsR1DDQ==
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

2026-09-17T10:36:34.755890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064403
observed f344cb80f24b0dac161e7be057309025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.739490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064403/manifest.json
observed 6b09ec0b4dbf32c45ddbca35e621bb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.721500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064403/publication.md
observed 08d547cc3ad50bc0aaae3c4536dbae98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.704716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064403/publication.txt
observed fa2a643b7627edbce911127706345396...
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.