{"id": 4324, "prediction_verbatim": "10-year Treasury yield rises within 48h", "created_at": "2026-05-02 07:14:40", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-04 07:15:41", "chain_hash": "cd50107a7fabc8e8bade0cdd26a1d8959668c953575f4e31212ca9e06c36bb2e", "chain_tx": "34UFhzdUaxq1iLUquuJJmmjEspBASMvDgKRZ5xA8bp6eoLKKdSRuVVLHvQPgz5E7DX8DWDhRvjx4Hszf3Aa7Fp5D", "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."}