OpenTechnical

OT-2026-000051385

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000051385) never changes.

Identity and time

Publication numberOT-2026-000051385 · never reused
Internal UUID01a0ae83-2741-731f-abb9-f87a4fb46e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051385
StatusPUBLIC

Content hashes

Canonical text3f502452558525f0c30ca5aa3366ccb3890ae367e56b3764a4ce2c92f89fa335
Markdown9041c2fcee4d757a6e7f06a636a8b7c2a5ba425cd9f4cd604e307bf9422b543d
PDF
Publication page728ea326de991b4bb8c78a5638bf954117325772a93ddc55bbb38fe8498d2230
Manifest1fb71681bf05055daa09cd4edb0c31bea2a816a3747738cec312270e744d8059

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
Signaturec7AbtuEhnD7gg/WZcFyDq2UMwsswY9Oc6WLMasuNOofdGNq1r1Y4S9TIjeab8Q3QLKzFtDvlhDeuSduZvIQrAA==
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

2026-09-17T10:59:16.870599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051385
observed 728ea326de991b4bb8c78a5638bf9541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.854137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051385/manifest.json
observed 1fb71681bf05055daa09cd4edb0c31be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.836885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051385/publication.md
observed 9041c2fcee4d757a6e7f06a636a8b7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.817141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051385/publication.txt
observed 3f502452558525f0c30ca5aa3366ccb3...
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.