{"id": 4839, "prediction_verbatim": "SPY lower in 48h", "created_at": "2026-05-11 03:28:04", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-13 03:32:37", "chain_hash": "0c32b9d7ae8d018eea1534371b654782441d8ffd043d75f42c6c7a6bccc574ec", "chain_tx": "39mutQMMcjwMn7zVh8bKQkZfLUebghyDkBHLyxQaCYbf4LSDFUS4tPDzEySjBUAbhtK4q8SMRXPcpDx5iG2iEzsx", "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."}