Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 5668

A sealed prediction that did not hold.

NPPA is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 5667, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 5668
    21 Oct 2026, 20:13 UTC

    NPPA

    dopamine neurons, braak

    predictionNPPA in dopamine neurons tracks Braak Lewy-body stage

    registered9e878468029b91eb

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    NPPA is not measured in dopamine neurons

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

    NOT TESTED

    74bd5b50985c325f17491c7c…
    follows 25ab7c7a142b…

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 5668: NPPA in dopamine neurons, braak

cell type
NPPA 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 NPPA in dopamine neurons.

case closed: nothing better to follow up.