{"id": 4013, "prediction_verbatim": "BTC higher in 24h", "created_at": "2026-04-25 20:39:46", "direction": "up", "timeframe": "24h", "score": 0.76, "outcome": "Correct \u2014 bitcoin moved +1.1% ($77,428 \u2192 $78,299)", "resolved_at": "2026-04-26 20:40:15", "chain_hash": "2720a6e175dbe45cda523e01a6cf800596588f744c314c19a86a260be285ca2c", "chain_tx": "nt9Sh3Qw9daPT4FD2LPhbAVYL7YFkiBKpzi2uEKwG3VAZzbtfeyNN88thxS3yzuAet8utfKoHwM7YsudJzTjM1f", "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."}