Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 9831

A sealed prediction that did not hold.

PCA3 is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 9830, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 9831
    25 Oct 2026, 14:54 UTC

    PCA3

    dopamine neurons, braak

    predictionPCA3 in dopamine neurons tracks Braak Lewy-body stage

    registereda1320db4ea6d160f

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    PCA3 is not measured in dopamine neurons

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

    NOT TESTED

    b9db3e3c2b19edcc88431d7e…
    follows fce44f397733…

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 9831: PCA3 in dopamine neurons, braak

cell type
PCA3 is not measured in dopamine neurons; looking elsewhere.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for PCA3 in dopamine neurons.

case closed: nothing better to follow up.