{"id": 4452, "prediction_verbatim": "S&P 500 will close higher within 48h", "created_at": "2026-05-04 17:45:39", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 18:10:42", "chain_hash": "9654be8e59e770e2859fc1e9d93bdf4ae395a971182aeae216238e3b36a6c6e4", "chain_tx": "2Xr3axsPFtN27mmfxq7bhATamtdSUCkZJukgTfYvEnK16H3gWp8iMSpjjSdcoRENz3PA3fUtiAng13fHbkzF54Wk", "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."}