Available in both 32 and 64 bit, the hashes for the leaked build are as follows:
MICROSOFT.WINDOWS.7.SERVICE.PACK-1.RTM.X86.WAVE1.RIP.DVD-WZ.ZUKO
magnet:? XT = urn: btih: EE4409661F6EAA94C96C79F04797B26B64488B7C
BUILD : 7601.17514.101119-1850
FILE : Windows6.1-KB976932-X86.exe
SIZE : 563,934,504 byte
SHA-1 : C3516BC5C9E69FEE6D9AC4F981F5B95977A8A2FA
MD5 : 4BF28FC00D86C936C89E2D91EF46758B
CRC : 5EB0FA87
MICROSOFT.WINDOWS.7.AND.SERVER.2008.R2.SERVICE.PAC K-1.RTM.X64.WAVE1.RIP.DVD-WZ.ZUKO
magnet:? XT = urn: btih: 0B10E4E245E562F21F5BDF0B0B64AAB1086B9F0D
BUILD : 7601.17514.101119-1850
FILE : Windows6.1-KB976932-X64.exe
SIZE : 947,070,088 byte
SHA-1 : 74865EF2562006E51D7F9333B4A8D45B7A749DAB
MD5 : 28D3932F714BF71D78E75D36AA2E0FB8
CRC : 068C79C6
32-Bit Torrent
64-Bit Torrent