State of Healthcare Provenance today

Today, there is some provenance that is built into the Healthcare standards that are used. Some of this Provenance is not obvious, so let me expose it.HL7 v2 has the least provenance information built into common use of the specification. This is not to say that there isn't provenance, but not much. In theory, one knows the sender of the message, but as a message, this sender information is usually discarded.HL7 CDA has well implemented CDA header that holds Provenance. It isn't...