{"id": 3660, "prediction_verbatim": "SPY higher in 24h", "created_at": "2026-04-17 19:38:25", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 07:38:51", "chain_hash": "71379543f3a94f367bcb33daaeb20f4fdb1476e744b3750f53dc1c4e9af4fafd", "chain_tx": "YefxjQa6c1xyC5fdg1FUJA3mw4vinZuWG1FCYA1xWk6eZLSTMMPJb94uah9BALSyDxMavFiL6Fb5WQJB3NQf43c", "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."}