{"id": 2684, "prediction_verbatim": "10Y Treasury yield moves higher (above 4.36%) within 48 hours", "created_at": "2026-04-03 19:47:56", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 20:14:14", "chain_hash": "4ed1a7d80d7309ad7fd5b296b8a9b42a04d20fb048005805c630d13c942ec45e", "chain_tx": "j6NMbN31jZhQPUxLtrFdJbYtbLH47JADmf1XJWzcVUZYt1ZD9z3GoQBwzn3HbteZKdCTzefbThSMY6BNGcGoyJ7", "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."}