{"id": 2583, "prediction_verbatim": "QQQ closes higher within 48h", "created_at": "2026-04-03 15:56:39", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 16:14:13", "chain_hash": "142d8303ce6a1087e517b5bd82815de7dec391f72abd6aa974d286622f8cb19d", "chain_tx": "mA3ejV6gsmPRXUkZva5HZAP7eJgkpJu8heFt271WvW9WXc6qcKj2CzCp2QZKUmw7cY9pZoUd2V8zffZv69pnw4C", "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."}