{"id": 3183, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-11 14:24:01", "direction": "down", "timeframe": "24h", "score": 0.82, "outcome": "Correct \u2014 bitcoin moved -2.3% ($72,750 \u2192 $71,071)", "resolved_at": "2026-04-12 14:24:22", "chain_hash": "90669adea34e2e818d3b1c4f93af62017648cd49faeab7813e5009c6d47a0b9f", "chain_tx": "hbmUpzSy8Jy6RwfQQKrt9vqQgE57bLXiz1P6Cj576nUpfh1H57KMDBJav7AwhNs5L7wvF3j8W1t5EorAjfz1rkV", "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."}