{"id": 4362, "prediction_verbatim": "EUR/USD lower within 48h", "created_at": "2026-05-03 06:45:01", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 07:10:24", "chain_hash": "d781b40cce4b00e6e8cde5ae24833e6b16a1334dcdc9daced93aa8cb2f6ce974", "chain_tx": "2CZxX4nLG3g6H38aFojRUfgLmeY9gTg2S21sbEAHA2ChhpF92RRxHdBYT7KnzeRd1S88HqAFDcBPu9yoxbxGJRCu", "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."}