Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 0877

A sealed prediction that did not hold.

PIK3R2 is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 876, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 0877
    17 Oct 2026, 08:45 UTC

    PIK3R2

    dopamine neurons, braak

    predictionPIK3R2 in dopamine neurons tracks Braak Lewy-body stage

    registered354de130fb8edb99

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    PIK3R2 is not measured in dopamine neurons

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

    NOT TESTED

    b5e576f2903212fae40639f9…
    follows 084dbb42d967…

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 0877: PIK3R2 in dopamine neurons, braak

cell type
PIK3R2 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 PIK3R2 in dopamine neurons.

case closed: nothing better to follow up.