401 # HTTP status code named as a reason, not a count
402 # HTTP status code named as a reason, not a count
403 # HTTP status code named as a reason, not a count
404 # HTTP status code named as a reason, not a count
429 # HTTP status code named as a reason, not a count
530 # HTTP status code named as a reason, not a count
256 # SHA-256, the name of a hash function
23 # the earlier draft's claim, named to withdraw it
