{"id": 5250, "prediction_verbatim": "Brent crude higher 48h from now than current $111.28", "created_at": "2026-05-18 03:41:16", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 03:50:46", "chain_hash": "690198a97f23a7f3f910c25ee88b7e7df1c083bf6508e484bd70c6bddd1072db", "chain_tx": "3QK8EGodjdTXP7ZHQ5gdTcQZ74CW95tsRoS3f8yjqQuKYhUseSSrQU1iB2uqEKGsYwWe7w4ebNVmyJAAg7icTk1U", "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."}