Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 7526

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.05, p 0.893). This receipt's hash covers every field on it, plus the hash of receipt 7525, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 7526
    23 Oct 2026, 12:12 UTC

    ACTRT3

    dopamine neurons, braak

    predictionACTRT3 in dopamine neurons tracks Braak Lewy-body stage

    registeredcd49e18219feb2d0

    discovery-0.05 p=0.893 n=9

    replication-0.21 p=0.586 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho -0.05, p 0.893)

    dataVolpato et al. 2025, ventral substantia nigra (18 donors)

    NO EFFECT

    13a99e51641c9004185e46db…
    follows e1d0c38968fa…

Covered by the on-chain checkpoint of receipt 10865 (2026-10-26 13:05 UTC). See the checkpoint on Robinhood Chain. Previous receipt Next

The swarm's case

receipt 7526: ACTRT3 in dopamine neurons, braak

power
full sample -0.13 (p 0.609, n 18), 95% CI -0.56 to +0.36. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.11 (p 0.671, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.11 (p 0.658, n 18). could be the mix.
skeptic
leave-one-out range -0.29 to -0.05, sign flips 0; without severely affected donors -0.13 (p 0.609, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for ACTRT3 in dopamine neurons.

case closed: nothing better to follow up.