{"id": 4740, "prediction_verbatim": "10Y Treasury yield rises above 4.45% within 48 hours", "created_at": "2026-05-09 17:41:32", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 17:59:11", "chain_hash": "1d697509eaa99e206f2591c228498f667702ecd5330b0598b932f9fbe50bf6c5", "chain_tx": "5DEdedL5wVP19BXVMch87oDpHzn3DWUgZCba9x15GZ6vWTNfqwW3TqnUwDANkhXJdoMbk7E43SieEMUWieAFpifM", "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."}