Parameter			Example
filehash	File identifier	string	ffc50a5fdd43ff.046772a6b09987aa1
filename	File proof name	string	Proofhq-api.pdf
md5	MD5 checksum	string	3ffc6cab3a07cbca782431a8834ff975
errorcode	Error code when given file fails to upload	string	1,2,3,4,5,6,7,8
errorstring	Corresponding error information	string	errorcode = 1,2; errorstring = Filesize exceeds allowed maximum file size errorcode = 3; errorstring = Corrupted file errorcode = 4; errorstring = No file data errorcode = 5,6,7,8; errorstring = System storage error