OpenTechnical

OT-2026-000098453

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000098453) never changes.

Identity and time

Publication numberOT-2026-000098453 · never reused
Internal UUID01a0aea1-e965-79eb-8a85-dcdaebee42c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098453
StatusPUBLIC

Content hashes

Canonical text897b18e5c946a344f1fb971aa13e604b2759798a900d2f25e568fca1408323d7
Markdownd8f0d0f024bfbe7ad5776cb440899f1be3df131d5a52e8c2d30586cb72a8dcaa
PDF
Publication pagee9867c7408da3fff480952865a2f6e21f3ce3e04198c462f93588cc9d1d0ade3
Manifest5897bcbb7a5fc06498960c9360b4b2e73e6c3c036b9cacc89561bb3a30fa8d02

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
Signature550T3dPNntXPj5Lk65muwGzCAqDskWdOG7BKKfC6qQjsfx6ZefAJc0mqGyFCxePLFMVSfiQjrCGlIQJLmo55AA==
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

2026-09-17T09:32:18.786649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098453
observed e9867c7408da3fff480952865a2f6e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.769274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098453/manifest.json
observed 5897bcbb7a5fc06498960c9360b4b2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.751048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098453/publication.md
observed d8f0d0f024bfbe7ad5776cb440899f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.733271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098453/publication.txt
observed 897b18e5c946a344f1fb971aa13e604b...
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.