{"id": 4807, "prediction_verbatim": "BTC higher within 24h", "created_at": "2026-05-10 18:47:45", "direction": "up", "timeframe": "24h", "score": 0.74, "outcome": "Correct \u2014 bitcoin moved +0.9% ($81,242 \u2192 $81,945)", "resolved_at": "2026-05-11 18:59:08", "chain_hash": "d1799da9936718102d01bee529579d7175842536b6a8cf1e89d004073a66395f", "chain_tx": "4JHsZvrGNzCvRSEuUH7R6pYeMeZ4aM3U7kEpaBDQSQnkJ8xrtnT38uqqcyLozoRfNLLAKwJ3T5HQJrGE3kS3gDpN", "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."}