{"id": 5668, "prediction_verbatim": "USD/JPY lower within 48h (yen appreciation as risk-off hedge)", "created_at": "2026-05-31 19:41:57", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-06-02 19:46:37", "chain_hash": "c18ac0141f299198f8fc8bcb1b3d8731c2b95864f91f6f8c156c78b12c180781", "chain_tx": "53p2PXSukJB12EmbWVfMZYCiSzzE83z1aiXwCWpjEvnsLVfV1fvww6dW3riPj3VmmR31CLq8brwzKFUzhaNLnTfd", "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."}