Is there any way to verify and determine the version of the NAND dump except from its size?
In regards to verification: IIRC a NAND dump is somewhat structured like a cartridge dump (headers and checksums) and i believe older versions of 3DSGuys rom_tool could handle them to some extent.
edit: found it: http://www.moddingstudio.com/showth...Gateway-brick)&p=695290&viewfull=1#post695290 (in italian, but google translate is legible enough).