{"id": 4456, "prediction_verbatim": "BTC price lower in 24h", "created_at": "2026-05-04 19:15:43", "direction": "down", "timeframe": "24h", "score": 0.24, "outcome": "Wrong \u2014 bitcoin moved +1.8% ($80,054 \u2192 $81,529)", "resolved_at": "2026-05-05 19:40:48", "chain_hash": "f97d6671386106d3a902074fc7fba3522f65ad12dbdec09c806f64ea077f182d", "chain_tx": "5zZm4AMVggjE2fRXYKR7MZfZGSpg874XthXR6Jr2qmdXgqaMZoA2ZEo5LqGUR2riJ1yEWjfT9QQ4x5tgt61teQcj", "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."}