{"id": 2872, "prediction_verbatim": "SPY lower in 24h", "created_at": "2026-04-07 15:14:37", "direction": "down", "timeframe": "24h", "score": 0.2, "outcome": "Wrong \u2014 SPY moved +3.3% ($652 \u2192 $673)", "resolved_at": "2026-04-08 15:29:17", "chain_hash": "99be70c27c471530187bc4d2e06cbdfeca66a8604867529c9b89beb202db12fe", "chain_tx": "3eCJKWivJJynaaMbxekNHotbPNM1yqs2GFkoTuLFYvrmHaZb9vy15j8tCCVkEFx5Qs87Lny6UuV7B3Too9gAsQJm", "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."}