{"id": 3808, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-19 23:09:00", "direction": "down", "timeframe": "24h", "score": 0.22, "outcome": "Wrong \u2014 bitcoin moved +2.5% ($73,925 \u2192 $75,776)", "resolved_at": "2026-04-20 23:11:15", "chain_hash": "17714ac58636627662725823ed85bbe65ac8258ec9875915994c0514ba319cb3", "chain_tx": "5V5Mre5hw4RzEbocraMnjS9vvX3irbPNVkuY9KfpYcThZTWCGocxQNqa2PGCs84yEAYiuuwhgSJDBeMkjn6eU1KH", "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."}