thank you very much for your reply~
But that receiver file is also distributed to every devcoin client in addition to the blockchain record (so for example if you have a devcoin wallet you have a 'receiver' folder within the devcoin subdirectory containing your own records of generation payments). So the verification and auditing as you put it is done by the whole network.
Then if you have a read through this: http://devtome.com/doku.php?id=devcoin#receiver_files you can see the distribution is automatic and randomised from mining to the listed receivers. The files are for records and disbursement. Once a round (about a month) ends the file creation process is finalised and is then fixed (a few weeks before distribution to the addresses in that file begins). There are no changes and payments don't go via any central address, it's direct from generation to contributor addresses.