OpenTechnical

OT-2026-000073286

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073286) never changes.

Identity and time

Publication numberOT-2026-000073286 · never reused
Internal UUID01a0ae92-efb7-720f-bcd5-7b475b2cc05a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073286
StatusPUBLIC

Content hashes

Canonical text4fc262ba67949e5472a0f8705eb9d98a7e846464b39e711d78cdf52b3acbb523
Markdown5799459bff07043a0c3f0c6f79c11cc04829ab3a315f5567c5059b43cfa7d919
PDF
Publication pagea39853841057e564fa934a340cc24a1ee379ee639e1f7b78112a6852e3c525a7
Manifestaf809bb023cd108901873bccbe81b04cc1670ef327e6ed25f8ce72583e70e5c7

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
Signature08rm+D6pu6abZwMQaNYEvddsVq+pjjYU5txwSEP6ruSS7qc818TtWpancD1C0VRNpzQ7lVhimuSjpe+GMH0gCg==
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

2026-09-17T10:21:17.564093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073286
observed a39853841057e564fa934a340cc24a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.545655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073286/manifest.json
observed af809bb023cd108901873bccbe81b04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.528151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073286/publication.md
observed 5799459bff07043a0c3f0c6f79c11cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.509271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073286/publication.txt
observed 4fc262ba67949e5472a0f8705eb9d98a...
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.