The weights are mathematical facts. As raw numbers, they are not copyrightable.
`en_windows_xp_professional_with_service_pack_3_x86_cd_vl_x14-73974.iso` is also just raw numbers, but I believe Windows XP was copyrightable
A computer program is just 0s and 1s. Harry Potter books are just raw letters or raw numbers if an ebook.
(The combination is what makes it copyrightable).
`en_windows_xp_professional_with_service_pack_3_x86_cd_vl_x14-73974.iso` is also just raw numbers, but I believe Windows XP was copyrightable