{"id": 2687, "prediction_verbatim": "IWM higher in 48h", "created_at": "2026-04-03 19:55:02", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 20:14:14", "chain_hash": "78eee1d03bdeac4169422d693ec77b4d888b7ac83d6aeed8d55b4fee3c61d6c5", "chain_tx": "5WnnsP9rPe5rwmSBft6Mw8VykoWqNXoiGh7za1Y3zdPESmGkHgkGUWFdh1nKotTZsBGRgUWrtjTKtL5UWDkgPPpE", "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."}