OpenTechnical

OT-2026-000093891

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000093891) never changes.

Identity and time

Publication numberOT-2026-000093891 · never reused
Internal UUID01a0ae9e-92c8-7126-b875-9bca83987f61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093891
StatusPUBLIC

Content hashes

Canonical textf81ce579690326612b6955bb31785532a283d6345bf395eb64a59f508ccfcaa9
Markdown70dcf7ea91e76f34698bdd14446457818237c9cf8dac3ebd43701da29bb19c47
PDF
Publication page8dcb35364fbcd2a929dce02d61167c319fb406cf82005fe8e10814a6f50c31ac
Manifest5392b1ee4cb2a029354de2ea19c4e300d041d391c959dc2a0cbdc46306fe4396

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
SignatureUBmmBoFxy6AR4J9d0W4kC4Z7pqncpq60n8BQd4xkZGJUvLbza/PXGfSTbE9qfEV94ikDZzjoZIlA4pZGiT/ACw==
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

2026-09-17T09:38:09.275810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093891
observed 8dcb35364fbcd2a929dce02d61167c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.257737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093891/manifest.json
observed 5392b1ee4cb2a029354de2ea19c4e300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.239161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093891/publication.md
observed 70dcf7ea91e76f34698bdd1444645781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.220823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093891/publication.txt
observed f81ce579690326612b6955bb31785532...
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.