{"id": 3201, "prediction_verbatim": "BTC slightly lower in 24h", "created_at": "2026-04-11 21:24:03", "direction": "down", "timeframe": "24h", "score": 0.84, "outcome": "Correct \u2014 bitcoin moved -2.8% ($73,392 \u2192 $71,317)", "resolved_at": "2026-04-12 21:24:22", "chain_hash": "d2f17fbc509c54fc87111ca7a56cfce6338eaf103a77fc1bde80bb7433a84788", "chain_tx": "2cioyUdiPhxMgrESFJhzTw6rTWgACVhwnP3Z9PtF7atkDLLxiu9nMLHy4TJW6ZQ8SJ64fBGpHs7xn9eDVw4dWTUL", "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."}