{"id": 4329, "prediction_verbatim": "BTC closes lower on May 2-3 vs May 1 close", "created_at": "2026-05-02 09:14:42", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-04 09:15:40", "chain_hash": "495663abab26c1eadb2b0d4e6b350360ea28db575f2cee1655e56aebe5b91a4f", "chain_tx": "zLo3EzBGiUD4pAVx5FTNZa2fpvprzCGD2o8iDUEhjA6yZmtJTgdyUC2NKo1pESZW8nv38Van92qGYY3zSMG8zHM", "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."}