OpenTechnical

OT-2026-000075025

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075025) never changes.

Identity and time

Publication numberOT-2026-000075025 · never reused
Internal UUID01a0ae93-ac2d-7133-8c3c-657d27a6d45e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075025
StatusPUBLIC

Content hashes

Canonical text363276bccbee4127ea859d35761bb21695dea9cc41da5726b0522722b5c72215
Markdown3cd74891a127ffca00d449fedf0c543432764180174a631c854884f906bfb1df
PDF
Publication page397eb5978b808da8dac0b848a2c37ee86dfbb5346756eacb8ffde2a797b9f548
Manifest07960bdd9fa485f0d2d443a879edd551bc30781656e1116b3cbac8395359eaf1

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
SignatureYSUAj5ln192osxm5iJq8OF/6TNrNsktrKN2UEKJ2L1LiwXYXqOzJuQAHU4i6TC8NIaZ0ccvwRfrO4cnbJGDpBg==
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

2026-09-17T10:18:50.234249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075025
observed 397eb5978b808da8dac0b848a2c37ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.217369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075025/manifest.json
observed 07960bdd9fa485f0d2d443a879edd551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.199599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075025/publication.md
observed 3cd74891a127ffca00d449fedf0c5434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.181505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075025/publication.txt
observed 363276bccbee4127ea859d35761bb216...
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.