Where did Nichiren hide it?

"Nichiren Daishonin told people NOT TO SHOW THEIR GOHONZON TO ANYONE. He  also told some recipients to keep "this teaching IN UTMOST SECRECY." -- NST member

You mean the seven foot tall 500 pound plank of wood? "Some" but not others? Then please produce the documentation from the "others". Another question, since the DaiGohonzon was a secret, where in Nichiren's 10' x 12' hermitage did he hide it, up his sleeve?