{"id": 4938, "prediction_verbatim": "10-year Treasury yield rises above 4.55% within 48h", "created_at": "2026-05-12 15:02:21", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 15:03:07", "chain_hash": "9bab38ed39acb0cd7b644b480f8eaeeb476d5a3cc410be38e57f7b5c47ad35bc", "chain_tx": "3sYmsN8LM9T4mFspi5wQ1t4Fm5UpFYMr5aKRRA8eVM6unmJBxdwP3P8ex3dA8ZaYs7sx8m23rmVHCupiLeFAqijk", "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."}