Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 9572

A sealed prediction that did not hold.

no effect in discovery (spearman rho +0.03, p 0.944). This receipt's hash covers every field on it, plus the hash of receipt 9571, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 9572
    25 Oct 2026, 09:04 UTC

    PSAT1

    oligodendrocytes, braak

    predictionPSAT1 in oligodendrocytes tracks Braak Lewy-body stage

    registeredf780fa52cd81ec80

    discovery+0.03 p=0.944 n=9

    replication+0.04 p=0.928 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho +0.03, p 0.944)

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

    NO EFFECT

    63ef6037d00c4c94ba1d9d61…
    follows 2f8d9d6f3d48…

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 9572: PSAT1 in oligodendrocytes, braak

power
full sample -0.03 (p 0.901, n 18), 95% CI -0.49 to +0.44. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.03 (p 0.922, n 18). does not hold up.
composition
oligodendrocytes share of nuclei vs axis +0.03 (p 0.915); controlling for it: +0.02 (p 0.935, n 18). could be the mix.
skeptic
leave-one-out range -0.18 to +0.06, sign flips 5; without severely affected donors -0.03 (p 0.901, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for PSAT1 in oligodendrocytes.

case closed: nothing better to follow up.