PRE-REGISTRATION FROZEN
file            PREREGISTRATION.md
sha256          596f4b1e91dbc5ff650796310579792fe93a34ea845367b150f9cfa1f6adff7d
frozen (UTC)    2026-10-08T03:51:04Z
immutable copy  FROZEN_PREREGISTRATION_2026-10-08T03-51-04Z.md
dataset seed    20261008
status          no confirmatory data collected at time of freezing

Any change after this timestamp is an AMENDMENT: dated, stated in the manuscript,
and never a silent edit. Verify with:
  shasum -a 256 FROZEN_PREREGISTRATION_2026-10-08T03-51-04Z.md
