{"id": 2608, "prediction_verbatim": "SPY closes higher on April 4, 2026", "created_at": "2026-04-03 16:56:51", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 17:14:12", "chain_hash": "878b4d00acc559802996ca8c9db766ff2dbfca293e67dcc47e5b2723cfe87bd8", "chain_tx": "4UyctAhASo1Q4RYrwx4CKeiCPJgzREp9GpicLUWWLf2NznuUxgx9kpmhyRarK8XYzrN7pdP8iJbnrU4adDd9kbCD", "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."}