OpenTechnical

OT-2026-000097820

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097820) never changes.

Identity and time

Publication numberOT-2026-000097820 · never reused
Internal UUID01a0aea1-92f6-7e8d-ae32-77633e6791e5 · 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-2026-000097820
StatusPUBLIC

Content hashes

Canonical textb406876dd70c19782d1708c0c64e91c4dbfb441de8ab48bc9edfa6d925b9c325
Markdown268c33bd93bbfdc01503b30d9ee2192e1d63b5b900695d2b3f97c21e6db5fe61
PDF
Publication pagec7df9c024d2a69ce9c6717bd60a68f7baf921203ffdc0617b65fe8833ef3fbff
Manifeste456721face7b62e252f49f572f18dc4ececa3386c0d0bef4c221d6f99ecbac5

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
SignaturexjF+e4WA7lwkGSMHZF3fa5VUUB2V5wo7eoB8Oe8/C7Q4IwZm87OfRtZ2JCchxPCje/Pu0ZjZ2a2AP40V2RdBCg==
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

2026-09-17T09:32:54.686242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097820
observed c7df9c024d2a69ce9c6717bd60a68f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.668786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097820/manifest.json
observed e456721face7b62e252f49f572f18dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.647324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097820/publication.md
observed 268c33bd93bbfdc01503b30d9ee2192e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.629172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097820/publication.txt
observed b406876dd70c19782d1708c0c64e91c4...
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.