{"id": 3105, "prediction_verbatim": "S&P 500 lower in 24h", "created_at": "2026-04-10 10:53:44", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-11 22:54:06", "chain_hash": "742ff2f67abe25223bb0470826e58c5949f13a2e4f9167925ad3862b04fcbc56", "chain_tx": "2T57zzFxWvLhgiA6EWMyJrE1H2RiC8hSLDdMEqyTysDhDAgHihM23sHrAkwE1WpVYpLXGR8njLDzLG2KviJqFX2D", "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."}