{"id": 4108, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-27 05:10:13", "direction": "down", "timeframe": "24h", "score": 0.81, "outcome": "Correct \u2014 bitcoin moved -2.2% ($78,740 \u2192 $77,006)", "resolved_at": "2026-04-28 05:10:30", "chain_hash": "af930c1af891bfff9e42ab1c1e97321da9cf02a73445b1122cd5e5c7dd3d4452", "chain_tx": "4ZCp4VEMVQi2jWTMiXBD8NgEibQWYkUAkMsKns1z2Ma7LwK88ycUpHbJWf6hWLq8xfcLb2R3N6CSeRq44gGNxmFX", "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."}