http://hl7.org/fhir/us/core/StructureDefinition/us-core-authentication-time|8.0.0-ballot

This extension indicates when the information in the document was verified.

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	dateTime
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	dateTime