{"id": 2639, "prediction_verbatim": "IWM closes lower over next 48h as pre-earnings estimate revisions cascade", "created_at": "2026-04-03 18:10:01", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 18:14:14", "chain_hash": "1322fff5e2d8ff574ccbb78e2848c4ee7287bab1b7dbad04f62e61f3c478595b", "chain_tx": "7nrLaGDx2zwbuQaHhCy1dkKCQnsSE5bDFmCX45Xa3qDgXJMDMnCJrMHVu7DqKqUEWH46dwvUFjaGiBUdkgn1HHr", "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."}