{"id": 3285, "prediction_verbatim": "COIN stock price higher in 48h", "created_at": "2026-04-13 01:24:22", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-15 01:44:45", "chain_hash": "0a59280998989267a9d00092e4ae897deaeb423e542a9ab2f6b8c66e8916b2b3", "chain_tx": "2MaLSiDy2oj5VhFqFyVrp19vKZynTEfGqcsyncL1UwUv4FGCbKfNneaJhia4okbK3rkrqqMZsGx63kaBDLC7gwiD", "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."}