The original CRC and SHA-1 checksum values for Windows 7 RTM Build 7600.16385.090713-1255 untouched (original) ISO from Microsoft are now out! Daniel Melanchthon who writes on one of the TechNet blogs has posted the original hashes as follows.
Wzor is reporting that Microsoft has signed off Windows 7 Build 6.1.7600.16385.090713-1255 as the final RTM Build. Official announcement from Microsoft is expected in the next week. Here is the translated version from Wzor.net.