OpenTechnical

OT-2026-000097746

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000097746) never changes.

Identity and time

Publication numberOT-2026-000097746 · never reused
Internal UUID01a0aea1-92f5-766c-89da-c7e6574dab91 · 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-2026-000097746
StatusPUBLIC

Content hashes

Canonical textd4c51681209195ddd753ecff97d99053c8f627c5335bf441062f26b92bdeec35
Markdown0326be47e7c227a9253d913ae2973e78e312d2cfc9b59430ee721f125d9259e2
PDF
Publication pagedf35edcfcdddae5d300d30d789f42609e446ec7113fb8eb64d8e4de6adfe839a
Manifestfe6c7edbd3a3bac7f44c1f34f3d76556244df7a1e7efd3cc95342b9008c9606d

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
SignatureTn2XFp0kT0jpjjsfvgvgqUwqIUzFiRJ8YNaMtNPBpw0EDdDShCovvn+7xwEq3/iPDHaRf8xZv46wRYBnBTZmDQ==
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

2026-09-17T09:32:48.067169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097746
observed df35edcfcdddae5d300d30d789f42609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.040872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097746/manifest.json
observed fe6c7edbd3a3bac7f44c1f34f3d76556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.012955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097746/publication.md
observed 0326be47e7c227a9253d913ae2973e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.977218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097746/publication.txt
observed d4c51681209195ddd753ecff97d99053...
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.