{"id": 4315, "prediction_verbatim": "10Y Treasury yield rises above 4.45% within 48h as market reprices rate-cut expectations lower", "created_at": "2026-05-02 04:45:43", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-04 05:15:41", "chain_hash": "567dc9ceb961f45935b4bb5a10d1ee72a5c9eff6226b1a54a72069118d118368", "chain_tx": "aMf7dHrRJAvvqPHP7Jvx2226PUmDnMnrs4PVnDgyjZJ4q1bSXaY2QyxNvcsePhXpNuH9Bgj5RBPJfi5fwY19v34", "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."}