{"id": 3560, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-04-16 12:15:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 12:38:41", "chain_hash": "db07fb60347617c3511b630b05fe60d2d361abf4e11be978b7f2b7ef69a3cd44", "chain_tx": "58FTMCrmuiNSo5y1BQQsDocFix47iN2vMqEHBRfWJjD4inzPS6GukqN2eKoUb5wdmvXq5Ydb2wBrF8GADxa8eTbT", "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."}