diff --git a/docs/CONFORMANCE_DECLARATION_SCHEMA_v0.9.json b/docs/CONFORMANCE_DECLARATION_SCHEMA_v0.9.json
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@@ -0,0 +1,230 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://digiemu.org/schemas/conformance-declaration-v0.9.json",
+  "title": "DigiEmu Core Conformance Declaration Schema v0.9",
+  "description": "JSON Schema for machine-readable DigiEmu Core conformance declarations. Public Review Draft v0.9.",
+  "type": "object",
+  "additionalProperties": true,
+  "required": [
+    "declaration_type",
+    "declaration_version",
+    "implementation",
+    "conformance"
+  ],
+  "properties": {
+    "declaration_type": {
+      "type": "string",
+      "const": "digiemu_core_conformance_declaration"
+    },
+    "declaration_version": {
+      "type": "string",
+      "const": "v0.9"
+    },
+    "implementation": {
+      "type": "object",
+      "additionalProperties": true,
+      "required": ["name", "version"],
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "version": {
+          "type": "string"
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "cli",
+            "library",
+            "service",
+            "reference",
+            "test_harness",
+            "other"
+          ]
+        },
+        "language": {
+          "type": "string"
+        },
+        "repository": {
+          "type": "string",
+          "format": "uri"
+        }
+      }
+    },
+    "conformance": {
+      "type": "object",
+      "additionalProperties": true,
+      "required": ["specification", "levels"],
+      "properties": {
+        "specification": {
+          "type": "string"
+        },
+        "conformance_document": {
+          "type": "string"
+        },
+        "levels": {
+          "type": "array",
+          "minItems": 1,
+          "uniqueItems": true,
+          "items": {
+            "type": "string",
+            "enum": [
+              "DigiEmu Core Reader",
+              "DigiEmu Core Verifier",
+              "DigiEmu Core Producer"
+            ]
+          }
+        }
+      }
+    },
+    "capabilities": {
+      "type": "object",
+      "additionalProperties": true,
+      "properties": {
+        "canonicalization": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": ["canonical_json_v1"]
+          },
+          "uniqueItems": true
+        },
+        "hash_algorithms": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": ["SHA-256"]
+          },
+          "uniqueItems": true
+        },
+        "verification_results": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": ["PASS", "FAIL", "ERROR"]
+          },
+          "uniqueItems": true
+        },
+        "verify_report_schema": {
+          "type": "string"
+        }
+      }
+    },
+    "test_vectors": {
+      "type": "object",
+      "additionalProperties": true,
+      "properties": {
+        "document": {
+          "type": "string"
+        },
+        "supported": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "uniqueItems": true
+        },
+        "passed": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "uniqueItems": true
+        },
+        "failed": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "uniqueItems": true
+        }
+      }
+    },
+    "limitations": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "declaration": {
+      "type": "object",
+      "additionalProperties": true,
+      "properties": {
+        "declared_by": {
+          "type": "string"
+        },
+        "declared_at": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "status": {
+          "type": "string",
+          "enum": [
+            "self-declared",
+            "third-party-reviewed",
+            "certified",
+            "experimental",
+            "deprecated"
+          ]
+        }
+      }
+    }
+  },
+  "examples": [
+    {
+      "declaration_type": "digiemu_core_conformance_declaration",
+      "declaration_version": "v0.9",
+      "implementation": {
+        "name": "example-digiemu-verifier",
+        "version": "0.1.0",
+        "type": "cli",
+        "language": "go",
+        "repository": "https://example.org/example-digiemu-verifier"
+      },
+      "conformance": {
+        "specification": "DigiEmu Core Specification v0.9",
+        "conformance_document": "DigiEmu Core Conformance v0.9",
+        "levels": [
+          "DigiEmu Core Reader",
+          "DigiEmu Core Verifier"
+        ]
+      },
+      "capabilities": {
+        "canonicalization": [
+          "canonical_json_v1"
+        ],
+        "hash_algorithms": [
+          "SHA-256"
+        ],
+        "verification_results": [
+          "PASS",
+          "FAIL",
+          "ERROR"
+        ],
+        "verify_report_schema": "docs/VERIFY_REPORT_SCHEMA_v0.9.json"
+      },
+      "test_vectors": {
+        "document": "docs/TEST_VECTORS_v0.9.md",
+        "supported": [
+          "CORE-TV-001",
+          "GZC-CASE-001"
+        ],
+        "passed": [
+          "CORE-TV-001",
+          "GZC-CASE-001"
+        ],
+        "failed": []
+      },
+      "limitations": [
+        "Does not produce signed bundles.",
+        "Does not implement DigiEmu Core Producer level.",
+        "Does not validate external identity metadata."
+      ],
+      "declaration": {
+        "declared_by": "Example Maintainer",
+        "declared_at": "2026-05-07T00:00:00Z",
+        "status": "self-declared"
+      }
+    }
+  ]
+}
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