{"id": 5105, "prediction_verbatim": "IWM closes lower in 24h", "created_at": "2026-05-15 08:40:37", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-16 20:41:03", "chain_hash": "132e83c01fc7c1eb74df683063c0e6e5594d968e3a7903a35ae8e1ba382b571a", "chain_tx": "HMLdKodwC8qQRTqKYQ5S18S61HepZ6yf9FDKfTNAK7ArfcFZDABd6ez5ZU71wNTJfXvjA3ZxG2djGCFJp7wBvCg", "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."}