OpenTechnical

OT-2026-000097792

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000097792) never changes.

Identity and time

Publication numberOT-2026-000097792 · never reused
Internal UUID01a0aea1-92f6-78ad-adbd-bb10e62b8ecf · 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-2026-000097792
StatusPUBLIC

Content hashes

Canonical textf0aa5eb87db44bfe924889116393500edd19001da4706f657127dae210484607
Markdownc5203fa17a61ec6599c92fc6155d9342c0e9153c2c7fd450db7e86169cc83667
PDF
Publication pagef028d0dd5dd92921e1fc18c490eb2fc2127205944aea8743b317e8e71cff2237
Manifest82c5a6ebae9ca0f4ba936bcc867a2c5e8fb14cba733944f26eda0f75b19c8e2a

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
SignaturepWJsVK9eHMJ0a1nMWWN//pppKdxj1TksgTh/Pqc25hIbWS/SgK3GY2qgypRel5qr4anrwhvB0tIPYDlacNrdBQ==
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

2026-09-17T09:32:52.362420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097792
observed f028d0dd5dd92921e1fc18c490eb2fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.340366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097792/manifest.json
observed 82c5a6ebae9ca0f4ba936bcc867a2c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.322507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097792/publication.md
observed c5203fa17a61ec6599c92fc6155d9342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.305442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097792/publication.txt
observed f0aa5eb87db44bfe924889116393500e...
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.