I don't think there will be any proof of blame in either direction.
Definitely your fault, you should have a had a spacer on top of the stem.*
*This comment sponsored by the logician who brought you this:
the driver who crashed into me when i was waiting at a red light. her first words to me were "you cyclists are all so dangerous, look you are not even wearing a helmet!"
Definitely your fault, you should have a had a spacer on top of the stem.*
*This comment sponsored by the logician who brought you this: