The deed may be recorded in the office of the county recorder of the county or city and county in which the lands are situated, and upon the expiration of two years after it has been recorded, shall, except as against parties deriving title through a sale and purchase under decree of foreclosure of the mortgage, be conclusive evidence that the complete fee simple title to the property therein described vested at the date of the deed in the Regents of the University of California, free and clear of all claims, liens, charges, and incumbrances whatsoever.