http://offa.org/dna_cbp.html
Above is the link to OFFA's policy on "Clear by Parentage" - maybe it would be useful to put a similar mark "CPB" by dogs who are clear by "official" results from parents - "unofficial" seems to imply results are only those reported by owners (with no official papers/links to back it up) - I think ALL posted health results should stem originally from verified results.
* One other thing that is interesting to note is that all dogs (mother/father/puppy) must be DNA identity profiled to have clear by parentage, to prove they are actually related - so we don't accidentally register mixes...