Re: ... GDPR takedown request

[Gabor Kiss]

On Tue, 14 Jun 2022, I?aki Arenaza wrote:

> willingness to prove it), he could also use a digital certificate system
> that is operated by the government and legally binding in my
> country[1][2] (both of us are Spanish citizens). 
> 
> And at my request, he has digitally signed a document -produced by me-
> with that digital certificate. I have verified the signature using one
> of the government services for signature verification, and the signature
> is good. And the certificate details match those provided by the person
> in question.

I don't think so. This certificate probably proves only that our man is
called Puerto and he is known by the Spanish state.
But how we could check if all of the 16 mentioned keys/identities belong
to the _same_ Puerto?
Or is this included in the certificate issued by the government agency?

Gabor