{"id": 4722, "prediction_verbatim": "US Treasury yields (2-year) will remain flat or decline 1-3 bps over next 48h as market reprices lower real yield expectations", "created_at": "2026-05-09 11:11:41", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 11:25:56", "chain_hash": "9423eb49345c06920f74ddefff454c5459bd4b70feef708eb1f583946df4b06b", "chain_tx": "E119RxncB8g6BYy9UDMZ2QxzeC2fdA4YwUNe3QC5vzYqon1dFgBASxDSejLNSm8ZWg29aA9Y1q4xXLxmEM99cCd", "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."}