OpenTechnical

OT-2026-000075669

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000075669) never changes.

Identity and time

Publication numberOT-2026-000075669 · never reused
Internal UUID01a0ae94-29fd-74b1-b357-9f0179b99d03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075669
StatusPUBLIC

Content hashes

Canonical text45b184f8c1ee3177c1bed2f0958e39ae2093de1f97845a8b6f1f90bcf74de287
Markdownda40dfba8c9c33a25d76bda8383bb5cb71773479cecf88e64471c7694000fc7a
PDF
Publication pagecd162c837877a80b3d434031ae91990abf3d97d1ac93d9c72ca610e2f76a98db
Manifest510baf17429707eef9a5d2e7e49b560a79352bbf3410c7ff7fcc38e191079dbc

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
SignatureMsoZ3U/NcwNMEVG9jkVHzW4PO1uIga+uQXaC2MUXvH2kfTL2ch0z0HeWzT/Ff5ezU7jiOW1vgPKBAU7Q/0ITDw==
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

2026-09-17T10:13:46.720876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075669
observed cd162c837877a80b3d434031ae91990a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.700792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075669/manifest.json
observed 510baf17429707eef9a5d2e7e49b560a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.555900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075669/publication.md
observed da40dfba8c9c33a25d76bda8383bb5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.527934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075669/publication.txt
observed 45b184f8c1ee3177c1bed2f0958e39ae...
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.