Introduce shared evidence model and governance imports

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

infospace/agent/briefs/model-evidence.md

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+---
+id: agent-brief/model-evidence
+artifact_id: model/evidence
+source_path: models/evidence/InfoTechCanonEvidenceModel.md
+source_kind: model
+generated: true
+---
+
+<!-- GENERATED by info_tech_canon; do not edit by hand. -->
+
+# Agent Brief: InfoTechCanon Evidence Model
+
+- Artifact ID: `model/evidence`
+- Kind: `model`
+- Canonical path: `models/evidence/InfoTechCanonEvidenceModel.md`
+- Full source: `models/evidence/InfoTechCanonEvidenceModel.md`
+- Summary: Domain model used by canon profiles and standards: InfoTechCanon Evidence Model.
+
+## Retrieval Hints
+
+Imports and anchors:
+- `kernel/itc-core`
+
+## Owned Concepts
+
+- `Adjudication Outcome`
+- `Evidence`
+- `Evidence Source`
+- `Evidence strength`
+- `InfoTechCanon Evidence Model`
+
+## Related Distinctions
+
+- **Policy vs Control vs Evidence**: Governance owns policy and control; ITC-EVID owns the distinct evidence assertion and its addressable source. Evidence supports a stated interest without guaranteeing truth.