OpenTechnical

OT-2026-000097791

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097791) never changes.

Identity and time

Publication numberOT-2026-000097791 · never reused
Internal UUID01a0aea1-92f6-7d2a-a055-63202d1f4c8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097791
StatusPUBLIC

Content hashes

Canonical textefaedebf11664c9b6bb48d4b79cf42d4bf2ced0b51c9032edc0f0e43f3211a7b
Markdown7006d24344816274fd26ceb7705026745e77341d3864f96c2f6c2a0048d114eb
PDF
Publication page3ef98f06392994a4a8fc5af7516c15a8577179f8fbfa0d93af7df3dcd837428a
Manifestcb6e2dfdbfb03b3f55fe9bc5b700c3995ff2f7b23987844e938afef3afa0eb9b

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
SignaturegJ781fK40qFvvHTkDnznkPsjyC92Hqj2dNhXG3vrnfcXHoqhbt9sU3jaqRDKPaf6O0o6YAxK9dY5FuQLICW2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:52.284925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097791
observed 3ef98f06392994a4a8fc5af7516c15a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.266343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097791/manifest.json
observed cb6e2dfdbfb03b3f55fe9bc5b700c399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.247170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097791/publication.md
observed 7006d24344816274fd26ceb770502674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.228416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097791/publication.txt
observed efaedebf11664c9b6bb48d4b79cf42d4...
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.