Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 8638

A sealed prediction that did not hold.

PTCHD3 is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 8637, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 8638
    24 Oct 2026, 12:28 UTC

    PTCHD3

    dopamine neurons, braak

    predictionPTCHD3 in dopamine neurons tracks Braak Lewy-body stage

    registered4f60a90c24b98fef

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    PTCHD3 is not measured in dopamine neurons

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

    NOT TESTED

    d7e0f385219bf53223d50b35…
    follows ff497ea25edc…

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 8638: PTCHD3 in dopamine neurons, braak

cell type
PTCHD3 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 PTCHD3 in dopamine neurons.

case closed: nothing better to follow up.