Introduce identity model and reconcile upstream imports

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a070b5-4994-7271-bd8b-7c3dbcedec4b

infospace/artifacts/index.yaml

@@ -29,6 +29,8 @@ artifacts:
         target: model/governance
       - type: maps
         target: model/evidence
+      - type: maps
+        target: model/identity
       - type: maps
         target: model/task
       - type: maps
@@ -58,6 +60,8 @@ artifacts:
       placement: copied
       placement_workplan: ITC-WP-0001
     relationships:
+      - type: uses
+        target: model/identity
       - type: uses
         target: model/evidence
       - type: conforms_to
@@ -84,6 +88,8 @@ artifacts:
       placement: copied
       placement_workplan: ITC-WP-0001
     relationships:
+      - type: uses
+        target: model/identity
       - type: uses
         target: model/evidence
       - type: conforms_to
@@ -103,6 +109,23 @@ artifacts:
         target: kernel/itc-core
       - type: introduces
         target: catalog/evidence-basis
+  - id: model/identity
+    path: models/identity/InfoTechCanonIdentityModel.md
+    kind: model
+    title: InfoTechCanon Identity Model
+    provenance:
+      placement: adapted
+      placement_workplan: INFO-WP-0021
+      source_path: ../prj-canon-federation/ledger/concept-ownership.json
+    relationships:
+      - type: conforms_to
+        target: kernel/itc-core
+      - type: uses
+        target: model/organization
+      - type: uses
+        target: model/access-control
+      - type: uses
+        target: model/evidence
   - id: model/evidence
     path: models/evidence/InfoTechCanonEvidenceModel.md
     kind: model
@@ -221,6 +244,8 @@ artifacts:
       placement: copied
       placement_workplan: ITC-WP-0001
     relationships:
+      - type: uses
+        target: model/identity
       - type: uses
         target: model/evidence
       - type: conforms_to