OpenTechnical

OT-2026-000064379

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000064379) never changes.

Identity and time

Publication numberOT-2026-000064379 · never reused
Internal UUID01a0ae8d-a461-7781-8fcf-d98a725c9516 · 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-2026-000064379
StatusPUBLIC

Content hashes

Canonical textbb4d4389dfc4424cf307412a306865976c482c49aa481f3558799773fcec39c9
Markdown8a9c6ba191fc54f0c9936200babd5651f343f98882afa5ddc9308c67e19d254c
PDF
Publication page9be125e9f65a016b024d6a001bc070160439ad6290c8c262614e9a36b0d7802e
Manifest385e747512cc93fb1a8f4e6a7d106dc4ba7b66e4bbf8cfaaa2c2faa69537861b

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
SignaturewLb124GyayH6VHy4oLiY0xfBNMRqGMf4zOQx6crZqbEeZdlD5vkitSHeW3h0hAD3KpwE1nxhpDEXCdA1MOKfAw==
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

2026-09-17T10:36:32.867533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064379
observed 9be125e9f65a016b024d6a001bc07016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.848833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064379/manifest.json
observed 385e747512cc93fb1a8f4e6a7d106dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.831088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064379/publication.md
observed 8a9c6ba191fc54f0c9936200babd5651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.812124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064379/publication.txt
observed bb4d4389dfc4424cf307412a30686597...
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.