OpenTechnical

OT-2026-000045965

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045965) never changes.

Identity and time

Publication numberOT-2026-000045965 · never reused
Internal UUID01a0ae7d-8f89-7fc8-b43d-1ae2beaa748e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045965
StatusPUBLIC

Content hashes

Canonical textbc2d2f55413a2c40107e111b609d930e10c520d4cdb9dbcb1f48e869d510c15b
Markdown9fd1f9e1af16bbdadfb2f6014de7135cdd6cdc212ac1a0a7d2262aa04f804053
PDF
Publication pagead4c38095f74a6de4f0e666aa89b2672d98e63f8e5a349d830358234f956cf92
Manifest455e80ef492805be1ffaa7c80ac917f930ca53e7f50a58ebb9fbc5af69b4943a

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
SignatureFYlhlqMfnh01k46oVIQWpvzC9LtWa8XNtL+7VMlQel7ZqN3uPfkYGK4QyU1+3LVBhCQKTeIcjikMw+18MNisDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:57.130674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045965
observed ad4c38095f74a6de4f0e666aa89b2672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.110517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045965/manifest.json
observed 455e80ef492805be1ffaa7c80ac917f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.091389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045965/publication.md
observed 9fd1f9e1af16bbdadfb2f6014de7135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.070448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045965/publication.txt
observed bc2d2f55413a2c40107e111b609d930e...
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.