{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "Persistent 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
}