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spec/sentinel/README.md

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+# Sentinel v1 Schemas (v1)
+
+This directory contains implementer-facing, machine-checkable schemas and deterministic verification rules for Sentinel v1.
+
+- `canonicalization.md`: normative hashing + Merkle + root publication rules.
+- `event.schema.json`: minimal event schema for `receipts*.jsonl` export.
+- `seal.schema.json`: minimal schema for `seal.json` inside an Ouroboros seal bundle.
+- `integrity.schema.json`: optional schema for `integrity.json` (hashes of bundle files).
+- `verifier_manifest.schema.json`: optional schema for `verifier_manifest.json` (tool/version expectations).
+
+Related v1 documents:
+- `spec/SENTINEL_OFFLINE_VERIFIER_REQUIREMENTS.md`
+- `spec/SENTINEL_V1_CONTRACT_MATRIX.md`
+
+Reference verifier + testvector:
+- Verifier: `tools/vm_verify_sentinel_bundle.py`
+- Testvector bundle: `testvectors/sentinel/black-box-that-refused/`
+
+Quick run:
+```bash
+python3 tools/vm_verify_sentinel_bundle.py --bundle testvectors/sentinel/black-box-that-refused --strict
+```