Reading This law.stackenchange.com question got me thinking but I wasn't able to find any specific references, in it an nbcnews article is referenced that states:
The president issued a "full and unconditional pardon" for any offenses Hunter Biden has “committed or may have committed or taken part in during the period from January 1, 2014 through December 1, 2024," according to the White House statement.
Disregarding the President who gave the pardon or who received it (this is NOT a question about this specific case but about Presidential Pardons in general)
Does the part
for any offenses Hunter Biden has “committed or may have committed or taken part in during the period from January 1, 2014 through December 1, 2024
Also provides a "full and unconditional pardon" for Federal crimes committed in that period that may have been not yet discovered? Let's say evidence of a completely unrelated crime to the ones known at the time of the pardon is discovered, does that crime get automatically pardoned having been committed in the "Pardoned timeframe"?