{"id": 4021, "prediction_verbatim": "10Y-2Y Spread will narrow in 48h", "created_at": "2026-04-25 23:09:48", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-27 23:10:22", "chain_hash": "d74ab23e0d6603be4b93b5074191680dd21da2200e947a2b703ba8bd422c5a49", "chain_tx": "4cX7op44MjZZHVdJsAKyK9SLAJtE1avZkvkDQErpaoMiwK2F67dVfKYifGAXAFt6msSLRtBNLnQMmTX3rvBRCno9", "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."}