What are the SHA-1 hashes for RTM? According to a Microsoft, the SHA-1 hashes and filenames for Windows 7 English are (in sha1sum format):
; Windows 7 Retail Ultimate E English (x64)
029dccedd7691206010f84ce58343405a4da92c9 *7600.16385.090713-1255_x64fre_cliente_en-us_Retail_UltimateE-GRMCEULXFRER_EN_DVD.iso
; Windows 7 Retail Ultimate English (x64)
326327cc2ff9f05379f5058c41be6bc5e004baa7 *7600.16385.090713-1255_x64fre_client_en-us_Retail_Ultimate-GRMCULXFRER_EN_DVD.iso
; Windows 7 Retail Ultimate English (x86)
5395dc4b38f7bdb1e005ff414deedfdb16dbf610 *7600.16385.090713-1255_x86fre_client_en-us_Retail_Ultimate-GRMCULFRER_EN_DVD.iso
; Windows 7 Retail Ultimate E English (x86)
bc10f09b86dcbaf35b31b0e6fba7d006acaad28d *7600.16385.090713-1255_x86fre_cliente_en-us_Retail_UltimateE-GRMCEULFRER_EN_DVD.iso
users can use HashCheck for checking hashes.