Uploader: orangera1n 
Upload date: forgot lmao
Source: internet/betaarchive
Notes: the "woafre" in the iso filename is incorrect as this is an ARM64 WPAK

File Info from 7zip:
Name: 14903.1000.160809-1700.rs_prerelease_amd64fre_MobileOS_woafre.iso
Size: 3904237568 bytes : 3723 MiB
SHA1: 6733f8979fec18c6e95a24ff6d9ccd1ddc8da6c4