{"id": 4140, "prediction_verbatim": "QQQ closes higher within 48 hours", "created_at": "2026-04-29 11:39:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 11:39:49", "chain_hash": "242aaa44ca4c6bd3cadf3ce7b39f10da757e86d3cf19be01792f792d5c59fcc6", "chain_tx": "Ro3w1KkU58fZEMEwBqGwvfqZbxg2rVXKXadzcwCwM4FNMnD8piJZms6iBzdwvbLuNAHPhXLejudn9b7AHw19UbE", "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."}