OpenTechnical

OT-2026-000071305

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000071305) never changes.

Identity and time

Publication numberOT-2026-000071305 · never reused
Internal UUID01a0ae91-e0ec-712e-944b-3516053c29aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071305
StatusPUBLIC

Content hashes

Canonical textd86bd54c65db86df9ac07080383b3df395f939afc5b8dc60cf1a13ffe457617b
Markdownc2a6c156233ed5e2b004d7618d1e6c3eec69fb1151677a9cf80668af6c724cf9
PDF
Publication pagec37d0e6d0c0a3887b1f6b375884af254c43a3d8253678e809530964b1710432f
Manifest9f5fa1aec6ef4e1875378e8dcf4096b10d20d3487eabfa74918c403e86d71477

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
SignaturemYxu4D6aAafsYV/GdcXrU0yaPk2cmF/z/KwRR/+NjAJZBF2fPeJN1xvG8wAsPAAcbh3eaWvUWxtJ+OErCtM7CQ==
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

2026-09-17T10:24:53.526800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071305
observed c37d0e6d0c0a3887b1f6b375884af254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.507249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071305/manifest.json
observed 9f5fa1aec6ef4e1875378e8dcf4096b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.487051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071305/publication.md
observed c2a6c156233ed5e2b004d7618d1e6c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.467311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071305/publication.txt
observed d86bd54c65db86df9ac07080383b3df3...
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.