{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/university-of-minnesota/main/json-schema/university-of-minnesota-umedia-item.json",
  "title": "UMedia digital object metadata record",
  "description": "A UMedia digital object metadata record. Field set observed live on 2026-09-01; UMedia does not publish a schema document.",
  "x-artifact": {
    "generated": "2026-09-01",
    "method": "derived",
    "source": "derived from live responses captured in examples/umedia-item-response.json and examples/umedia-search-response.json (HTTP 200, 2026-09-01). UMN Libraries publishes no schema document for UMedia."
  },
  "type": "object",
  "properties": {
    "_version_": {
      "type": "integer"
    },
    "attachment": {
      "type": "string"
    },
    "barcode": {
      "type": "string"
    },
    "children": {
      "type": "array",
      "items": {}
    },
    "city": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "collection": {
      "type": "string"
    },
    "collection_description": {
      "type": "string"
    },
    "collection_name": {
      "type": "string"
    },
    "collection_name_s": {
      "type": "string"
    },
    "contact_information": {
      "type": "string"
    },
    "continent": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "contributing_organization": {
      "type": "string"
    },
    "contributing_organization_name": {
      "type": "string"
    },
    "contributing_organization_name_s": {
      "type": "string"
    },
    "country": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "creator": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "creator_sort": {
      "type": "string"
    },
    "creator_ss": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "date_added": {
      "type": "string"
    },
    "date_added_sort": {
      "type": "string"
    },
    "date_created": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "date_created_sort": {
      "type": "string"
    },
    "date_created_ss": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "date_modified": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "dimensions": {
      "type": "string"
    },
    "dls_identifier": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "document_type": {
      "type": "string"
    },
    "featured_collection_order": {
      "type": "integer"
    },
    "first_viewer_type": {
      "type": "string"
    },
    "fiscal_sponsor": {
      "type": "string"
    },
    "format": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "format_name": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "id": {
      "type": "string"
    },
    "is_compound": {
      "type": "boolean"
    },
    "language": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "local_identifier": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "local_rights": {
      "type": "string"
    },
    "notes": {
      "type": "string"
    },
    "object": {
      "type": "string"
    },
    "page_count": {
      "type": "integer"
    },
    "parent_collection": {
      "type": "string"
    },
    "parent_collection_name": {
      "type": "string"
    },
    "parent_id": {
      "type": "string"
    },
    "persistent_url": {
      "type": "string"
    },
    "publisher": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "publisher_s": {
      "type": "string"
    },
    "publisher_t": {
      "type": "string"
    },
    "record_type": {
      "type": "string"
    },
    "region": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "set_spec": {
      "type": "string"
    },
    "state": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "subject": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "subject_ss": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "super_collection_descriptions": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "super_collection_name_ss": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "super_collection_names": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "super_collection_set_specs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "system_identifier": {
      "type": "string"
    },
    "thumb_cdn_url": {
      "type": "string"
    },
    "thumb_url": {
      "type": "string"
    },
    "title": {
      "type": "string"
    },
    "title_s": {
      "type": "string"
    },
    "title_search": {
      "type": "string"
    },
    "title_sort": {
      "type": "string"
    },
    "title_t": {
      "type": "string"
    },
    "type": {
      "type": "string"
    },
    "types": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "viewer_type": {
      "type": "string"
    }
  }
}