OpenTechnical

OT-2026-000067571

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000067571) never changes.

Identity and time

Publication numberOT-2026-000067571 · never reused
Internal UUID01a0ae8f-6bda-7724-bf74-0b7d3c22f12b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067571
StatusPUBLIC

Content hashes

Canonical textf60f4e4c0fa6eb853ff2103a3148cbfb3faa3a028b963262ba0a784cf3a9eb8d
Markdownce0c70eda4a936d6621ecd694d3d99ba04d75980ed8bc23cef0adf8075a9a79f
PDF
Publication pagebe84a3024b312819d21e139106afa16b03ef566f5f88386dca512519fc788629
Manifesta3b0a3975a0316f82ac7b6a94ce963e67a0205bc2d35aa43d3a09308629b6191

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
SignatureI+XILbyD70c+JuNEHCYDlN46bTe/REM7fp9DKAtKWS2wptxI+gsUAO4l6zmkli48goPSc9e30qxvSuG3uL37Ag==
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

2026-09-17T10:31:52.934429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067571
observed be84a3024b312819d21e139106afa16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.917142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067571/manifest.json
observed a3b0a3975a0316f82ac7b6a94ce963e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.886170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067571/publication.md
observed ce0c70eda4a936d6621ecd694d3d99ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.856427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067571/publication.txt
observed f60f4e4c0fa6eb853ff2103a3148cbfb...
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.