{"id": 4898, "prediction_verbatim": "GBP/USD declines below 1.27 within 48h", "created_at": "2026-05-12 02:32:11", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 02:33:01", "chain_hash": "93e8ebaedd19c0bbc132f0347a089599aa1eaf2599e507852a76317595af2dc6", "chain_tx": "3jmXNEdPHEhX2TQEArBexKEoiavm4fveUpzW4Dj87F7tkeec9nyEkMNm1kUVqhnfYLcxzWcshfSYeGv2KVf2JWea", "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."}