Genesis 21:30
And he said, "You shall take the seven ewe-lambs from my hand {as proof on my behalf} that I dug this well."
Genesis 31:52
This pile of stones [is] a witness, and the pillar [is] a witness, that I will not pass beyond this pile of stones to you, and that you will not pass beyond this pile of stones and this pillar to me intending harm.
Genesis 31:44-48
So now, come, let us {make} a covenant, you and I, and let it be a witness between me and you."
Joshua 22:27-28
instead, it [is] a witness between us and you, and between our generations after us for performing the serving of Yahweh in his presence with our burnt offerings, sacrifices, and fellowship offerings; so that your children may not say in the future to our children, "You have no portion in Yahweh." '
Joshua 24:27
And Joshua said to all the people, "Look, this stone will be a witness against us, for it has heard all the words of Yahweh that he spoke with us. It will be as a witness against you, so that you do not deny your God."