Thank you again, from now the generation number is clear for me.

Michael:
"I'm afraid your description is a bit too vague to confirm anything."

Completion:

I have 3 different certificate, AC, BC, CC and 3 xml document AX, BX, CX.

version 1: I would like to create an empty pdf doc with AX as document
attachment, then sign it with with AC.
version 2: In the next step Id like to add BX as document attachmet and sing
it with BX as visible signature.
version 3:  In the final step Id like to add CX as document attachment and
sign it with CX as visible signature.

Id like if the CC signature of the result_version_3_pdf would be valid.
>From the result_version_3_pdf Id like to retrieve the version 1 pdf with
valid AC signature.
>From the result_version_3_pdf Id like to retrieve the version 2 pdf with
valid BC signature.

Is this possible somehow?

(With the result pdf Id like to make sure that the AX is added by the owner
of AC, the BX is added by the owner of BC and the CX is added by the owner
of CC.)

Bests,

Tamas
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