{"id": 4735, "prediction_verbatim": "Bitcoin volatility (24h realized) higher in 48h than last 7-day average", "created_at": "2026-05-09 15:11:28", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 15:26:12", "chain_hash": "e0a1afcb6a6d41c9498c4b85ab929ff4ca8dc56fde07885aa44095efa191d691", "chain_tx": "2gczUZk6r5oVhhbw6mbYpsVhDJADCPWGfKqupaQFUwho8PdDZjMtqutZ4PuTtf1PiemBrnER2qtgNiw6fj11jc9z", "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."}