{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://meshcognition.org/spec/mmp/schema/application.schema.json",
  "title": "MMP v2.0 authenticated application bytes",
  "type": "object",
  "required": ["mediaType", "schema", "encoding", "byteLength", "digest", "data"],
  "additionalProperties": false,
  "properties": {
    "mediaType": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9!#$&^_.+\\/-]*$",
      "description": "Canonical lowercase media type without parameters."
    },
    "schema": {
      "type": "string",
      "description": "Absolute schema URI or the empty string; NFC-normalized in the commitment."
    },
    "encoding": { "const": "base64url" },
    "byteLength": {
      "type": "integer",
      "minimum": 0,
      "maximum": 524288,
      "description": "Decoded byte count."
    },
    "digest": {
      "type": "string",
      "pattern": "^sha256-[0-9a-f]{64}$"
    },
    "data": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]*$",
      "description": "Unpadded canonical base64url."
    }
  }
}