{"id": 2466, "prediction_verbatim": "QQQ closes lower by 48h", "created_at": "2026-04-03 11:32:30", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 11:44:16", "chain_hash": "6af683c8ed7a791c59b58aec0bcfce3be5ab6676db2ab8225df63335fd22928e", "chain_tx": "4vcDB8whTAfysiV9r3d1mrNKzcbz8tBLU8ikFqAR9cDHEex29nVFtQTxzMCiDPE28FUMUe6h6WJbnA9yQkEGsrgj", "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."}