OpenTechnical

OT-2026-000025625

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000025625) never changes.

Identity and time

Publication numberOT-2026-000025625 · never reused
Internal UUID01a0ae71-9bc9-735a-a6dc-92b463b648d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025625
StatusPUBLIC

Content hashes

Canonical text74edb229516c0e5b51ba6d227b94b748fef4d6f9f87ddc96a3b9ac37ebc5ca66
Markdown1f41ca733c2fac07a944f9390437372441075fded7af513efb76b11e78fbb7f9
PDF
Publication page5fa5b06276c0da22b157957be380ff79872a74835fbb5137f1ca8cf61d3f01c1
Manifest084b7fbb22a373e6122903af0c63f4ce8ce824e33d67f207a0888f47ad377291

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
SignatureZYyCFgOHxFGDwyOLgLlm58xsg2gUYAkxtHMbMliTKYWhHpoCC+eFcL+zwij3mkmMu+b1NFeBUuB7+a4vGqmoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:49.107088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025625
observed 5fa5b06276c0da22b157957be380ff79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.088758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025625/manifest.json
observed 084b7fbb22a373e6122903af0c63f4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.072277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025625/publication.md
observed 1f41ca733c2fac07a944f93904373724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.055034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025625/publication.txt
observed 74edb229516c0e5b51ba6d227b94b748...
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.