OpenTechnical

OT-2026-000064419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000064419) never changes.

Identity and time

Publication numberOT-2026-000064419 · never reused
Internal UUID01a0ae8d-a461-70ba-aedc-6d3b0875eb50 · 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-2026-000064419
StatusPUBLIC

Content hashes

Canonical text3c08647b3b54c601f1bede682c29ec117b0ce6d9d07ea518c54da30019e8072a
Markdown52f2e89d98d868fc59ad927a08a969d79d2762149772b62675e8f0ae2cfebd6a
PDF
Publication page3e2726966956ba4b7de9327ad8b61a1240ba51f83e3d37dc88ce1dc9bbc5e782
Manifest06bdf12812d3025d265a96147a784916b6ac6371e4c8754d50d43a2bdeff77be

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
SignaturelTFRN6i5+iyhbgx2y60YzWsaMFVp477iQnJdLaahWwGu7viz728/kKPgJHLVuJp1EDRzGY6ojJrS+JkIFdRfCw==
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

2026-09-17T10:36:36.003026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064419
observed 3e2726966956ba4b7de9327ad8b61a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.984703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064419/manifest.json
observed 06bdf12812d3025d265a96147a784916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.967406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064419/publication.md
observed 52f2e89d98d868fc59ad927a08a969d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.950220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064419/publication.txt
observed 3c08647b3b54c601f1bede682c29ec11...
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.