{"id": 4762, "prediction_verbatim": "BTC lower in 48h", "created_at": "2026-05-10 01:11:26", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 01:32:28", "chain_hash": "e5ef49f960b1cb3d49b2973b7e498bc84780a7538998cff24e4af8b66e81a925", "chain_tx": "3B7LGLv1WGA7feXq9ke2a3RxH4a6zUhKHtUeRsR8fyHacZoZgPd8UxCWm47V7ZBHdZMbMgULicWiPT7pasqJuc9U", "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."}