OpenTechnical

OT-2026-000064475

Publication integrity record

Three 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-2026-000064475) never changes.

Identity and time

Publication numberOT-2026-000064475 · never reused
Internal UUID01a0ae8d-a461-7306-a6bb-6219c788a7b1 · 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-2026-000064475
StatusPUBLIC

Content hashes

Canonical textae089d1baebb49096be9fcf72380ee8f742ee6862c8828dee8765948fbb57fab
Markdowne308893af3e684e0d75f925a33650ecbe830f6e5df937294f62192a1b6c5002f
PDF
Publication page69cbc8efebdf0a6259d68bad5a6b5159de866bb40582825a4a9c7dabe3c631d5
Manifest0200477737a7c587b7eba28ead9dc3ace55ba7090ec99a8cccd0eaa183ad4166

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
SignaturenCdHYq6//hu5Y4TQi55C3ndc4IKWjkW8TuaMQMkPIaLReL3iLvwHWZZtJWF/qYoooFAKGmXfwTn8iN/VVP+GBw==
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

2026-09-17T10:36:40.110423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064475
observed 69cbc8efebdf0a6259d68bad5a6b5159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.091722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064475/manifest.json
observed 0200477737a7c587b7eba28ead9dc3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.072842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064475/publication.md
observed e308893af3e684e0d75f925a33650ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.054880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064475/publication.txt
observed ae089d1baebb49096be9fcf72380ee8f...
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.