Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 9425

A sealed prediction that did not hold.

PF4V1 is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 9424, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 9425
    25 Oct 2026, 05:46 UTC

    PF4V1

    dopamine neurons, braak

    predictionPF4V1 in dopamine neurons tracks Braak Lewy-body stage

    registered2979401a04d83c77

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    PF4V1 is not measured in dopamine neurons

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

    NOT TESTED

    a4afabbec4a078a62d22996d…
    follows b275783ad32d…

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 9425: PF4V1 in dopamine neurons, braak

cell type
PF4V1 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 PF4V1 in dopamine neurons.

case closed: nothing better to follow up.