OpenTechnical

OT-2026-000067283

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000067283) never changes.

Identity and time

Publication numberOT-2026-000067283 · never reused
Internal UUID01a0ae8f-6bd6-705d-8f08-d0474c959203 · 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-2026-000067283
StatusPUBLIC

Content hashes

Canonical text08bd3640c194996194b17fac46f3256762f7e0e29ec9e222c90871b6b9fac20a
Markdown5b2adae3ffef750dac9b02267b69c5db71eda046734bfefd3f1c77fdb3b5254b
PDF
Publication pagead94bf27565c3d5f75bce7ffc3d9bfff6e626a6d74e5acdf6a2a306ee3998291
Manifestdd6473e2c6bc5243aaa352b294f2cee834347e17cea4ffabc31adf6408d7a012

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
SignaturedRV9F+H5fp1KqCRLqw9RidqS70SgTNmIkGxGVHayC0vTufScWZADhvpk4gKhsJDO9KQ7F8JbOqB41+AFhMs6Cg==
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

2026-09-17T10:30:57.999020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067283
observed ad94bf27565c3d5f75bce7ffc3d9bfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.980580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067283/manifest.json
observed dd6473e2c6bc5243aaa352b294f2cee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.963934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067283/publication.md
observed 5b2adae3ffef750dac9b02267b69c5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.945854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067283/publication.txt
observed 08bd3640c194996194b17fac46f32567...
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.