A method, computer program product, and system obtaining and identity verification request that include a specification for one or more electronic identity documents including one or more requested document types to fulfill the identity verification request. One or more processors locate at least one electronic identity document including each of the requested document types. Each electronic identity document in the repository includes machine readable metadata that includes the document type of that document. The one or more processors perform a deterministic match to select one electronic identity document including each of the one or more requested document types to utilize in formulating a response to the identity verification request and formulate a response to the identity verification request, based on the selected electronic identity document(s).