{"id": 2499, "prediction_verbatim": "VIX lower in 48h", "created_at": "2026-04-03 12:45:04", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 13:14:18", "chain_hash": "e9396c982476bf7b4f1837a0776c8f0229946f11000f7a6158f7d204c4fde5b1", "chain_tx": "T9SoCYtwcUWU21xZmwQ5wh5RTURL4cjd3PPB8KSar5Z6ECYR74XTuU1UfUYrQ9vob8153SFFBrk8Bu8JDeT12WH", "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."}