{"id": 5369, "prediction_verbatim": "Copper futures (HG) close higher in 48h", "created_at": "2026-05-24 03:03:00", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-26 03:14:07", "chain_hash": "9efe8eaadf03be17da068472f8a9a2aa1c98ac61cdd87c17c46b06441966b33f", "chain_tx": "4VNY7DrYcyH3XSCyUzJdomn8nZ2uYPi87o6naQWi11d1ogmrH2gAhujKYCVap3DdDk4sGbk92tfpExCGvCDPEpUm", "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."}