{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.mpai.community/OSD/V1.5/data/Annotation.json",
  "title": "Annotation V1.5",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "Header": { "type": "string", "pattern": "^OSD-ANN-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID": { "type": "string" },
    "AnnotationID": { "type": "string" },
    "AnnotationJSONText": { "type": "string" },
    "AnnotationSpaceTime": { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },
    "Trace": { "$ref": "https://schemas.mpai.community/AIF/V3.0/data/Trace.json" },
    "DescrMetadata": { "type": "string", "maxLength": 2048 } },
  "required": [ "Header", "AnnotationID", "AnnotationSpaceTime" ]
}