Validation — CorpX Analytics
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Validation

How every value is proven.

Written to be forwarded. Four sections: how ground truth is made and recovered, how runs are pinned, how studies are cleared, and what may be claimed.

01 · Methodology 02 · Provenance 03 · De-identification 04 · Claims discipline

01 · Methodology

Ground truth is generated, then recovered.

Validation volumes are synthesised with anatomy and tissue properties specified exactly, so the correct answer is known before the module runs. The module must then recover that answer within a tolerance fixed per measurement family.

Every measurement carries a citation to the primary literature that defines it — in the specification, and again in the delivered dataset.

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The check being run, not asserted: a measurement distributed across the cohort, then tested for whether it carries information any other feature already holds.

In the validation report

Tolerance, fixed per measurement family
Recovery statistics, per release
Citation list, per measurement

02 · Provenance

Every run is pinned.

Pipeline version, model weights and parameters are pinned per run. The same scan, re-run on the same pin, returns the same values.

The provenance record travels inside the export, so a reviewer holds the number and the method that produced it in the same file.

PIPELINE VERSION MODEL WEIGHTS PARAMETER SET RUN TIMESTAMP

03 · De-identification

Cleared before analysis.

A study is cleared before analysis begins — nothing is measured until the de-identification check passes.

The de-identification record is included in every delivery, alongside the values it covers. See also Security and Regulatory status.

04 · Claims discipline

Fixed before anything is built.

What may be claimed about a module is fixed at specification, before code exists. The build fails if the claim drifts — a stronger result cannot quietly become a stronger claim.

All analytics are descriptive: quantification and visualisation, not diagnosis. Research Use Only — CorpX is not approved by any regulatory authority for clinical diagnosis or treatment selection.

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