{"id": 2601, "prediction_verbatim": "10Y-2Y spread widens (moves positive) in 48h relative to 2026-04-02 level of 0.52", "created_at": "2026-04-03 16:37:15", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 16:44:23", "chain_hash": "64efe0393202659294ab808ba499c3a7f9dc328b3c8e025ceb60f972db7d8bbf", "chain_tx": "43Nig8c9bFXX5dHbs2BKucEroqqNeuyEX2PzVagYtDdRiWULdJAwTifG2dX4spcgU6b9Zj3ZUTtxemtqskEcZGXP", "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."}