{"id": 3208, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-11 23:54:03", "direction": "down", "timeframe": "24h", "score": 0.86, "outcome": "Correct \u2014 bitcoin moved -3.2% ($73,063 \u2192 $70,725)", "resolved_at": "2026-04-12 23:54:22", "chain_hash": "42f18a24fba44942c198bf8ab9d666a5cda12bb3af39b067dff44896a92e82dd", "chain_tx": "zGKCU3CgUQFE9vhR2rmjmCgiqYAUgbJDeqMQSxj7JNJcFFqF3UYEs7iLWTcfQZNGkZf33eYQizCygdtG2g7vbsb", "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."}