This is not a huge problem but it should be easy to fix it.
When the ring of loki has no origin defined the game renders the origin wireframe at
(x,y,z)=(0,-1,0)
(you can see it through the ground in the form of a shining dot or like the screenshot if you come close/break bedrock)

The problem is probably in the ItemLokiRing.java on ln201

public ChunkCoordinates getSourceWireframe(EntityPlayer player, ItemStack stack) {
    return getOriginPos(stack);
}

should probably be something along the lines of:

public ChunkCoordinates getSourceWireframe(EntityPlayer player, ItemStack stack) {
    ChunkCoordinates origin = getOriginPos(stack);
    return origin.posY==-1? null : origin;
}

P.S. i was hoping it was an easter egg :(

It's great that you can write code but not read closed issues.