{"id": 3502, "prediction_verbatim": "The UK water sector stock index will be lower in the next 24h.", "created_at": "2026-04-15 20:44:57", "direction": "down", "timeframe": "24h", "score": 0.23, "outcome": "Wrong \u2014 MSFT moved +2.2% ($411 \u2192 $420)", "resolved_at": "2026-04-16 20:45:18", "chain_hash": "83afe3dd67a82a762b68b99180da94f65d853eddd6d959616aeeccf217f6afce", "chain_tx": "5Q7rnY7PV31yCCJzJG42cvoiQF2ywr1yqEcska1JQrMVavHxGhNDaLJ2wyT6tCJXWfBgUDLzp9MMKpSCDaqbYuBx", "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."}