I do see him, but for this reason the Son came in flesh.
Numbers 23:19 God is not a man, that he should lie, nor a son of man, that he should change his mind.
The Son of God is also now a Son of Man. The Son of man can change his mind, cause he experienced our fallen flesh. How does this relate to what you ask if I see Jesus in the O.T.? I know that Jesus hadn't been in flesh at that point and "now" he is perfect mediator between God and man.
Do you realize you just slammed me with a complete paradox? Being a paradox it is confusion and God is never the author of confusion, that is the arena of the god of the air.
Take your Numbers 23:19 quote and my favorite for this purpose, Malachi 3:6a and that means God has repeated this theological statement, at least twice and if I were to Chain Reference it there are likely other instances when God, YHWH, has repeated this truth you are claiming He broke. That, very, idea is heresy.
You are attempting to found this heresy on the idea that as a human, the Son of God, the same and only Son of God, that created the Universe filled with millions of stars, planets and moons, lied and changed His mind? Just for a single moment, let's entertain such an untruth could be.
It would be a rip in the very fabric that bonds the Father, the Son and the Holy Spirit into the One God. God is the Triune Being that created us and as one being, though three persons, nothing is done by one that all three persons do not experience. Your false and not Christian premise makes liars out of all three persons and unless you can convince me, the Christian world and God there is a way around this inconceivable paradox, you need to pray to God for the truth in a revelation, dream or vision.
I thank you for, finally, pointing out the error my heart, through the influence of the Spirit kept perceiving. My prayer now is that one of us here can assist you in finding the truth and in dumping the false that was not delivered by God.