{"id": 2415, "prediction_verbatim": "SPY higher in 48h despite Iran headlines", "created_at": "2026-04-03 09:39:05", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 09:56:27", "chain_hash": "e4c0852f1d18e6a344d39ff93b985c5c97e80bb19d6ccb4afe0524096fb70b2c", "chain_tx": "2HN6a1ccfDTmm9pJT9TYinwqn96dXheYgaiwtD8XaW68wChE8q3McxzFDVZU4gkyz6Mf9697yNpuXKiSssM5iLfQ", "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."}