OpenTechnical

OT-2026-000097731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000097731) never changes.

Identity and time

Publication numberOT-2026-000097731 · never reused
Internal UUID01a0aea1-92f5-7481-aadd-f32bfb845744 · 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-2026-000097731
StatusPUBLIC

Content hashes

Canonical text6f3637a3b4be902c9f324d4f0fa0e6791a57b8ad27c1881be68e18f291b01f60
Markdown51819b1c6c1f91c2477e13498ce7a7b97d1816c6fccdd9b6932c1152e0f300f5
PDF
Publication page36d162d4f8bde332d24978d2ed8089fe688baa5c2e25b62e242e18f6bc511910
Manifest2b87605492dae53b6531f1f5fe5a2c273108677c701e22d09850860a851161ef

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
SignatureCZlWftglv8gVUKhOuwApOjStU3BB2TFRTlwLpXHgPM2it2Uv1ayfpo+k7QFNHAZ+S0aWI00qCwh5RDqCDyK6Cw==
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

2026-09-17T09:32:46.114140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097731
observed 36d162d4f8bde332d24978d2ed8089fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.086804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097731/manifest.json
observed 2b87605492dae53b6531f1f5fe5a2c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.060639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097731/publication.md
observed 51819b1c6c1f91c2477e13498ce7a7b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.037042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097731/publication.txt
observed 6f3637a3b4be902c9f324d4f0fa0e679...
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.