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UnifyEMPI documentation

Explainable identity resolution for FHIR R4 and HL7v2
FHIR R4HL7v2 ADTMulti-tenantDemo live

UnifyEMPI links source Patient records into governed enterprise identities while preserving source provenance. Matching decisions remain bounded, explainable and reviewable.

flowchart LR
    SOURCES["Health boards, WDS, Velindre<br/>and other source systems"]
    INGEST["FHIR R4 API<br/>or HL7v2 MLLP"]
    EMPI["UnifyEMPI<br/>normalise · block · score · resolve"]
    REVIEW["Governed review<br/>merge · reject · split"]
    CONSUMERS["Canonical Patient<br/>and Person links"]

    SOURCES --> INGEST --> EMPI
    EMPI -->|"Probable or conflicting"| REVIEW
    REVIEW --> EMPI
    EMPI --> CONSUMERS

Source systems remain authoritative for their own Patient snapshots. UnifyEMPI owns enterprise UUIDv7 identities, links, candidate indexes, canonical views, review cases, receipts and audit evidence.