{"id": 4726, "prediction_verbatim": "BTC rises in next 24h", "created_at": "2026-05-09 12:11:17", "direction": "up", "timeframe": "24h", "score": 0.73, "outcome": "Correct \u2014 bitcoin moved +0.7% ($80,307 \u2192 $80,847)", "resolved_at": "2026-05-10 12:17:48", "chain_hash": "fe2b2ecce6efe6b8c38a2fb115b22d298b8b87c6f8928835f1b579e1da1233a0", "chain_tx": "3NTkvRvi6Do3r4EHSWw3ypMrc5skrNZaPsvUkXHa4jms9zUkUABy8V7Z8sDs5462S3nu14tUhjoZPccHViDhLEEA", "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."}