{"id": 3603, "prediction_verbatim": "SPY will be lower in the next 24h", "created_at": "2026-04-17 01:15:19", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 13:38:41", "chain_hash": "fdde5617bd2e8b71f407da9c9a114ae53e45af41325c7320ba18eae3b336cf39", "chain_tx": "2Jxw3fGbbsDNRFVfr5BidfoEm3qNZKo5QNyFcaqAaFJvS8n8AqXDkVnRkqYK24hHXDYqeqQDdz6YWTDde1fBDBDg", "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."}