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@@ -18,6 +18,15 @@ than triggering selective seed removal or post-hoc protocol changes. ### C1. Innovation is necessary under naturally mixed apical traffic +**Status: failed the frozen MNIST confirmation on 2026-07-22.** Three of four traffic +realizations passed, but top-down projection seed 1234 produced a `+1.520`-point innovation gain +over norm-matched raw feedback, below the predeclared `+2`-point threshold. The other top-down +projection gained `+2.956` points and the two soma-traffic projections gained `+2.860` and +`+3.180` points. All four passed the traffic-R2 and alignment requirements, and the no-traffic +control had exactly zero mean change. The failed result is retained; it cannot be repaired by +changing the MNIST threshold or excluding the projection. A new dataset may receive a separately +frozen validation-only selection followed by an untouched test confirmation. + The apical compartment must contain ordinary non-teaching traffic generated by the model or task, not only an additive nuisance chosen to match the predictor. Candidate traffic includes back-propagating somatic activity, top-down contextual state, and task-irrelevant feedback shared |