{"id": 2585, "prediction_verbatim": "S&P 500 closes higher over next 48h", "created_at": "2026-04-03 16:03:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 16:14:13", "chain_hash": "60ca226b61e5e5618a14f3e78145d1ffd3cd3a98301b42d0900da3df81f07c53", "chain_tx": "4ACiVZLqGuDg1HjeEYHdztqjuHJFtY7UPeFw8tAVnZe6ZWZnQCK9RCLvLbSZyjV9KYzWMCXwEYWHTKyNwDEvCNNh", "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."}