This is exactly my point. A web of trust can only be calculated locally at a moment in time. Who do I trust? There is no such thing as a global view of a web of trust. Your perspective is that you are trusting a particular instance of pagerank.
If you want to use pagerank to vet IDs then I applaud you. It is a clever service. My only point is that web-of-trust has no global view and nip_05 identification is a global view. The two can't be equated.