{"id": 10390, "prediction_verbatim": "BTC closes higher over 24h [DIRECTION: up] [FALSIFY: BTC closes flat-to-down over the 24h window]", "created_at": "2026-09-04 10:10:44", "direction": "up", "timeframe": "24h", "score": 0.25, "outcome": "Wrong \u2014 bitcoin moved -1.7% ($80,986 \u2192 $79,613)", "resolved_at": "2026-09-05 10:26:50", "chain_hash": "b40b466665e50c17a5a909bb9a167cf92162693de8ba2cecdb2c3d0dd5ae5769", "chain_tx": "3DkndshDjRAJNsa3sWZ44zV35EA9LvxzsQMefkrwMiKnbsnA5SXfTfDL4F7Gw4gdVG9aFg2Krq6hs8i2G5fnnJaQ", "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."}