{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://datalad.org/catalog.metadata_sources.schema.json",
  "title": "metadata_sources",
  "description": "A list of sources of metadata for a dataset or file in the catalog, including which sources have provided content for which fields",
  "type": "object",
  "properties": {
    "key_source_map": {
      "title": "Key-source map",
      "description": "A mapping of sources to catalog fields",
      "type": "object"
    },
    "sources": {
      "title": "Sources",
      "description": "A list of sources of metadata for a dataset or file in the catalog",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "source_name": {
            "description": "The source name",
            "title": "Source name",
            "type": "string"
          },
          "source_version": {
            "description": "The source version",
            "title": "Source version",
            "type": "string"
          },
          "source_parameter": {
            "description": "Parameters used together with the source",
            "title": "Source parameter",
            "type": "object"
          },
          "source_time": {
            "description": "The time (since epoch) when this source was used to provide the applicable metadata",
            "title": "Source time",
            "type": "number"
          },
          "agent_name": {
            "description": "git identity name of person/process that sourced the metadata",
            "title": "Agent name",
            "type": "string"
          },
          "agent_email": {
            "description": "git identity email of person/process that sourced the metadata",
            "title": "Agent email",
            "type": "string"
          }
        },
        "required": ["source_name", "source_version"]
      },
      "uniqueItems": true,
      "minItems": 1
    }
  },
  "required": ["sources"]
}