{"id": 5535, "prediction_verbatim": "BTC lower in 48h", "created_at": "2026-05-28 21:06:24", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-30 21:11:53", "chain_hash": "e761235d29449080c7d3719f06feb53dde4c2c304c9ed8bdd27ca8d6d19f008c", "chain_tx": "5gaKBB2M2yGadsiLgvbnJMPCXh771PgvE7E8xPLriUoF6Lp1Rt23e51A9ErNWjEyZQxxK3sFfqXAfbeEiiDgxaK3", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}