{"id": 3662, "prediction_verbatim": "SPY higher", "created_at": "2026-04-17 20:08:41", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 08:08:52", "chain_hash": "37327959d77ff4e01ec3b3b9bf50372e2f821c23640d7c441f3095cb98c41a1a", "chain_tx": "5PRBq3GpGNoseLffvkb75aA9UYpMpegXveohuSgdhXTi1uGL6j2AEYKDPhSGG2pDHfL3q1ZMHvFocSwUn4vPAg2j", "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."}