Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 4721

A sealed prediction that did not hold.

no effect in discovery (spearman rho +0.21, p 0.586). This receipt's hash covers every field on it, plus the hash of receipt 4720, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 4721
    20 Oct 2026, 23:59 UTC

    CLDN12

    dopamine neurons, braak

    predictionCLDN12 in dopamine neurons tracks Braak Lewy-body stage

    registeredef2f607b1f34f38a

    discovery+0.21 p=0.586 n=9

    replication+0.37 p=0.321 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho +0.21, p 0.586)

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

    NO EFFECT

    74d8ed035ac61a94845a01dc…
    follows 54a1d6790f21…

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 4721: CLDN12 in dopamine neurons, braak

power
full sample +0.45 (p 0.062, n 18), 95% CI -0.02 to +0.76. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.48 (p 0.044, n 18). holds up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.41 (p 0.095, n 18). could be the mix.
skeptic
leave-one-out range +0.39 to +0.56, sign flips 0; without severely affected donors +0.45 (p 0.062, n 18). robust.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for CLDN12 in dopamine neurons.

case closed: nothing better to follow up.