OpenTechnical

OT-2026-000089863

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold 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-2026-000089863) never changes.

Identity and time

Publication numberOT-2026-000089863 · never reused
Internal UUID01a0ae9c-428d-7482-8428-5c552b33e8bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089863
StatusPUBLIC

Content hashes

Canonical text07a57f6f71f8bd6471995ab630efe1b429b65f2564e7ad727499858b8c7bc95f
Markdown0ab4d87f3fca086e5627a9f7db44fdb3b71c71fde1ab710d20b40494962e57c5
PDF
Publication pagec44f4b9aac995959ae0dc90e6e107822436f512763d211bfe701487d17bc7a47
Manifesta8ff14afba2622247ade8f69d10337d226cded4038781827f884e4f5b11a7d95

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
SignaturebQUCgjX8HxpYXmyrausuSrVExQWQ1GbC8+cwkDqInug+5BVwRIPt6NeprEoYvH2tOOwqLyja9HdMvM7kn6GYAw==
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

2026-09-17T09:45:06.887088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089863
observed c44f4b9aac995959ae0dc90e6e107822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.866458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089863/manifest.json
observed a8ff14afba2622247ade8f69d10337d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.847724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089863/publication.md
observed 0ab4d87f3fca086e5627a9f7db44fdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.829317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089863/publication.txt
observed 07a57f6f71f8bd6471995ab630efe1b4...
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.