{"id": 3315, "prediction_verbatim": "European stock indices (e.g., Euro Stoxx 50) will be lower in 24h", "created_at": "2026-04-13 12:54:34", "direction": "down", "timeframe": "24h", "score": 0.19, "outcome": "Wrong \u2014 MSFT moved +3.6% ($371 \u2192 $384)", "resolved_at": "2026-04-14 13:10:30", "chain_hash": "3a146f851c203ec9e9e828825d52586d32758b13ce34eef311e6d51710ce9f50", "chain_tx": "Nz5aH7qoDG681EjC6wEdZNSVXBynSCyP5rM55A6rTfsXqx51ev8iSTseuvuw9kDHrMvDoysoKqZfX1edfGUjtSF", "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."}