Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 12620

A sealed prediction that did not hold.

no effect in discovery (spearman rho +0.11, p 0.784). This receipt's hash covers every field on it, plus the hash of receipt 12619, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 12620
    28 Oct 2026, 03:32 UTC

    PIP4K2A

    oligodendrocytes, braak

    predictionPIP4K2A in oligodendrocytes tracks Braak Lewy-body stage

    registered779d142adddb13bc

    discovery+0.11 p=0.784 n=9

    replication-0.09 p=0.825 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho +0.11, p 0.784)

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

    NO EFFECT

    6acea1f50c9589c10e446e4f…
    follows 4fab61082a55…

Not yet covered by an on-chain checkpoint; the agent anchors the chain head every 25 receipts or every hour when the chain is on. Previous receipt Next

The swarm's case

receipt 12620: PIP4K2A in oligodendrocytes, braak

power
full sample +0.08 (p 0.748, n 18), 95% CI -0.40 to +0.53. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.06 (p 0.827, n 18). does not hold up.
composition
oligodendrocytes share of nuclei vs axis +0.03 (p 0.915); controlling for it: +0.04 (p 0.888, n 18). could be the mix.
skeptic
leave-one-out range -0.03 to +0.21, sign flips 2; without severely affected donors +0.08 (p 0.748, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for PIP4K2A in oligodendrocytes.

case closed: nothing better to follow up.