<?xml version="1.0" encoding="UTF-8"?><Provenance xmlns="http://hl7.org/fhir">
  <id value="signature"/>
  <!-- 
	<text>
		<status value="extensions"/>
		<div xmlns="http://www.w3.org/1999/xhtml">procedure record authored on 27-June 2015 by Harold Hippocrates, MD Content extracted from Referral received 26-June</div>
	</text>
 -->
  <!--  
    where possible, provenance targets SHOULD be version specific,
    so that there is no ambiguity about which version of the 
    record this relates to
   -->
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <target>
    <reference value="DocumentReference/example/_history/4"/>
  </target>
  <recorded value="2015-08-27T08:39:24+10:00"/>
  <authorization/>
  <activity>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v3-DocumentCompletion"/>
      <code value="AU"/>
      <display value="authenticated"/>
    </coding>
  </activity>
  <!--  signer = Harold Hippocrates  -->
  <agent>
    <type>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/contractsignertypecodes"/>
        <code value="VERF"/>
      </coding>
    </type>
    <!--  very often, the user won't have a known system - these aren't available 
      for security system log ons. But where you can define it, you SHOULD.
      Most of the time the userId is fully qualfied such as an email address	   -->
    <who>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="mailto://hhd@ssa.gov"/>
      </identifier>
    </who>
  </agent>
  <signature>
    <!--  verification signature  -->
    <type>
      <system value="urn:iso-astm:E1762-95:2013"/>
      <code value="1.2.840.10065.1.12.1.5"/>
      <display value="Verification Signature"/>
    </type>
    <when value="2015-08-27T08:39:24+10:00"/>
    <who>
      <reference value="Practitioner/xcda-author"/>
    </who>
    <targetFormat value="application/fhir+xml"/>
    <sigFormat value="application/signature+xml"/>
    <data value="Li4u"/>
  </signature>
</Provenance>