According to jhead[1], GIMP is not including metadata in the saved JPEG.
At quality "13", the file was 46302 bytes. Using the "purejpg" option on jhead, it dropped to 45592, or -710 bytes.
This 45592 bytes is exactly, to the byte, what the original article found.
[1] http://www.sentex.net/~mwandel/jhead/usage.html
According to jhead[1], GIMP is not including metadata in the saved JPEG.
At quality "13", the file was 46302 bytes. Using the "purejpg" option on jhead, it dropped to 45592, or -710 bytes.
This 45592 bytes is exactly, to the byte, what the original article found.
[1] http://www.sentex.net/~mwandel/jhead/usage.html