What does this research mean for the field?

In the CDN-354 precision ladder framework, decisiveness is determined by the margin over error rather than the label, and all-positive covariance requires sharper score uncertainty to resolve the same cap vector. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to transform the CDN-352/353 uncertainty ledger into a more precise measurement-design ladder.

June 27, 2026Open Access

CDN-354: The Precision Ladder

Key Points

The aim is to transform the CDN-352/353 uncertainty ledger into a more precise measurement-design ladder.
Conversion of uncertainty ledger into a measurement-design ladder.
Analysis of covariance-shaped external fit and gate margin effects.
Assessment of threshold impacts on decisiveness outcomes.
Achieved a 2-sigma closure under an independent moderate profile.
Higher score uncertainty is needed for all-positive covariance to resolve the cap vector.
Confirmed the relationship: DECISIVENESS_IS_MARGIN_OVER_ERROR_NOT_LABEL.

Abstract

CDN-354 converts the CDN-352/353 uncertainty ledger into a measurement-design ladder. With the gate margin S = Theta - Tᵣequired (C, R) fixed, a covariance-shaped external fit becomes decisive only when |S|/sigmaS clears the chosen threshold. The strong anchor is already a 2-sigma closure under the independent moderate profile, but all-positive covariance requires a sharper score uncertainty to resolve the same cap vector. The locked result is DECISIVENESSISMARGINOVERERRORNOTLABEL.

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