{"id": 4173, "prediction_verbatim": "The 10Y yield will rise 4-7 basis points relative to the 2Y yield over the next 48 hours, steepening the curve beyond the current 52bp spread", "created_at": "2026-04-29 19:39:11", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 19:40:09", "chain_hash": "db851dfb0082c41eb072f5bd149e640600793bbef9c77f6fa4d1365b34ad14d4", "chain_tx": "2n2dLyGPVAdWDHrCkCzNdPzfu6rRQnXLeUELHhFy6CgELSRd7mfuaDBA2KzxzzWXFesBacr6PuZmNNWr44QXCPpS", "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."}