{"id": 7760, "prediction_verbatim": "BTC closes higher over 24h [DIRECTION: up] [FALSIFY: BTC closes flat or lower over the 24h window]", "created_at": "2026-07-19 05:37:04", "direction": "up", "timeframe": "24h", "score": 0.27, "outcome": "Wrong \u2014 bitcoin moved -0.9% ($64,648 \u2192 $64,087)", "resolved_at": "2026-07-20 06:13:54", "chain_hash": "61e786eaf0322e1737e693d699b26a35cb36c3d34bbab818ae8536a569e889ef", "chain_tx": "tyLBZ9i558bMmeRSEyuZvzFNoV6MhxGDGK2aX5uCSpCmbxhWvvDJdGJt7WSqvhYXEDuAaaoB4j7ghJQ5sGhLJ2F", "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."}