{"id": 4486, "prediction_verbatim": "Bitcoin closes above its 2026-05-04 close by 2026-05-06", "created_at": "2026-05-05 09:10:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 09:11:04", "chain_hash": "1c41b79a852ea3b6a4ccbc1edd47014eb46eefca69ca88982b42bc5f2baeba86", "chain_tx": "3wBYFHx26UW66Kpy4pE6RnVyppjGfXwVo2CQQvfv1YNRUjEjR4LEAsaED8QV4ybD11x4FSTFMqhV2ir6aqYYGihH", "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."}