Don't create new identifier on attribution.
Don't create new identifier on attribution.

Identifier has to exist on attribution. This prevents appending
organizations to source lists that didn't provide that identifier.

Lambdanaut/crits,kaoscoach/crits,cfossace/crits,seanthegeek/crits,kaoscoach/crits,kaoscoach/crits,HardlyHaki/crits,lakiw/cripts,jhuapl-marti/marti,ckane/crits,davidhdz/crits,dreardon/crits,cdorer/crits,Magicked/crits,cfossace/crits,cdorer/crits,jinverar/crits,DukeOfHazard/crits,DukeOfHazard/crits,davidhdz/crits,davidhdz/crits,korrosivesec/crits,davidhdz/crits,jhuapl-marti/marti,Lambdanaut/crits,HardlyHaki/crits,cfossace/crits,ckane/crits,DukeOfHazard/crits,ckane/crits,seanthegeek/crits,HardlyHaki/crits,Lambdanaut/crits,korrosivesec/crits,jhuapl-marti/marti,seanthegeek/crits,dreardon/crits,DukeOfHazard/crits,davidhdz/crits,jinverar/crits,Magicked/crits,Magicked/crits,jhuapl-marti/marti,Lambdanaut/crits,lakiw/cripts,0x3a/crits,jinverar/crits,lakiw/cripts,HardlyHaki/crits,blaquee/crits,blaquee/crits,korrosivesec/crits,cfossace/crits,dreardon/crits,cdorer/crits,kaoscoach/crits,Magicked/crits,blaquee/crits,dreardon/crits,korrosivesec/crits,jinverar/crits,cdorer/crits,0x3a/crits,0x3a/crits,ckane/crits,blaquee/crits,seanthegeek/crits,seanthegeek/crits,lakiw/cripts,0x3a/crits