The closest point on the box can be farther than closest.min_t when there is a primitive hit in child1 and the ray intersects the bounding box of child2 further down its path from the point where it hits the primitive in child1.
The closest point on the box can be farther than closest.min_t when there is a primitive hit in child1 and the ray intersects the bounding box of child2 further down its path from the point where it hits the primitive in child1.