Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 6581

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.28, p 0.472). This receipt's hash covers every field on it, plus the hash of receipt 6580, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 6581
    22 Oct 2026, 15:51 UTC

    ARSB

    microglia, braak

    predictionARSB in microglia tracks Braak Lewy-body stage

    registered3652f433d2a9e534

    discovery-0.28 p=0.472 n=9

    replication-0.34 p=0.374 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho -0.28, p 0.472)

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

    NO EFFECT

    38c54fe6c540556fbe576cf0…
    follows faf76e753680…

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 6581: ARSB in microglia, braak

power
full sample -0.19 (p 0.439, n 18), 95% CI -0.61 to +0.30. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.22 (p 0.379, n 18). does not hold up.
composition
microglia share of nuclei vs axis -0.11 (p 0.652); controlling for it: -0.24 (p 0.337, n 18). could be the mix.
skeptic
leave-one-out range -0.32 to -0.07, sign flips 0; without severely affected donors -0.19 (p 0.439, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for ARSB in microglia.

case closed: nothing better to follow up.