Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 5071

A sealed prediction that did not hold.

OR9A2 is not measured in dopamine neurons. This receipt's hash covers every field on it, plus the hash of receipt 5070, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 5071
    21 Oct 2026, 07:22 UTC

    OR9A2

    dopamine neurons, braak

    predictionOR9A2 in dopamine neurons tracks Braak Lewy-body stage

    registeredcc5d013d36abd86a

    discoveryn/a

    replicationn/a

    neededp < 0.05 twice, same sign

    OR9A2 is not measured in dopamine neurons

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

    NOT TESTED

    734760d4002a0c66ddef994f…
    follows 7c07c2ef92fd…

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 5071: OR9A2 in dopamine neurons, braak

cell type
OR9A2 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 OR9A2 in dopamine neurons.

case closed: nothing better to follow up.