{"id": 4139, "prediction_verbatim": "GBP/USD declines within 48h as UK recession narrative hardens amid energy cost shock", "created_at": "2026-04-29 11:09:18", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 11:09:52", "chain_hash": "d50a4cc7ef29f0250028ceaf9cbf2768bddd9a32937f7e9d4965721d9154de36", "chain_tx": "5RcKaKx5YuipjPoeYT2xo7cLPMx8Gn23MWLTG6D8Bp9ceTxioDi3HbLepyTKTLQbW2zuzCKjRtmTnLfVWyq4mocR", "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."}