json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Claimant basic data",
      "description": "Service sharing information related to data sets (e.g. Inspire)",
      "type": "object",
      "properties": {
          "name": {
              "title": "Service Name",
              "description": "Short name of a service (e.g. CERN)",
              "type": "string",
              "minLength": 1
          },
          "url": {
              "title": "Service URL",
              "description": "HTTP URL addressing the service home page",
              "type": "string",
              "minLength": 1
          },
          "persistent_identifiers": {
              "title": "Persistent identifiers",
              "description": "List of identifiers known by the service (e.g. DOID). They should be all in caps.",
              "type": "array",
              "_uniqueItems": true,
              "items": {
                  "title": "Identifier",
                  "type": "object",
                  "properties": {
                      "type": {
                          "title": "Type",
                          "description": "Type of persistent identifier (e.g. INSPIRE_RECORD_ID)",
                          "type": "string",
                          "minLength": 2
                      },
                      "description": {
                          "title": "Description",
                          "description": "Short description of the identifier",
                          "type": "string",
                          "minLength": 1
                      },
                      "url": {
                          "title": "URL",
                          "description": "URL showing the identifier placeholder (e.g. http://inspirehep.net/record/&lt;INSPIRE_RECORD_ID&gt;)",
                          "type": "string",
                          "minLength": 1
                      },
                      "example_value": {
                          "title": "Example value",
                          "description": "Example value of a possible identifier (e.g. 2001192)",
                          "type": "string",
                          "minLength": 1
                      },
                      "example_url": {
                          "title": "Example URL",
                          "description": "Example URL with an identifier (e.g. http://inspirehep.net/record/2001192)",
                          "type": "string",
                          "minLength": 1
                      }
                  },
                  "required": [
                      "type",
                      "description",
                      "url",
                      "example_value",
                      "example_url"
                  ],
                  "additionalProperties": false
              },
              "minItems": 1
          }
      },
      "required": [
          "name",
          "url",
          "persistent_identifiers"
      ],
      "additionalProperties": false
  }