{"id": 3543, "prediction_verbatim": "S&P 500 will close higher tomorrow.", "created_at": "2026-04-16 08:15:10", "direction": "up", "timeframe": "24h", "score": 0.81, "outcome": "Correct \u2014 MSFT moved +2.2% ($411 \u2192 $420)", "resolved_at": "2026-04-17 08:15:25", "chain_hash": "a5eb4292dd31d4a996d7fe556eab543d7d77809f87e2907380dc4803b0d20132", "chain_tx": "2LpaDqVqaFRpS38MPG9CMnfQ5C3FJG8BvUmsvYpSTRszCGBw5yZ2hMj6AsKd7o1N1MfuHL1FfZ6eXsj3iXCYBTm1", "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."}