Commitment number:
A 48-bit incrementing counter for each commitment transaction; counters are independent for each peer in the channel and start at 0. 

  https://image.nostr.build/a3fa5d7ee25a2abccfa620268566b50b9edd3a09dc3595c475b715d4433f846d.jpg  

 yes until integrated 

  https://image.nostr.build/76e22e85a1d794f84b802b6dd278385265e7adfc930790c6f3181d9c8220de0d.jpg