{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "name": {
            "type": "string"
        },
        "created": {},
        "modified": {},
        "type": {
            "type": "string"
        },
        "mimetype": {
            "type": "string"
        },
        "size": {
            "type": "integer"
        },
        "hash": {
            "type": "string"
        },
        "modality": {
            "type": "string"
        },
        "measurements": {
            "items": {
                "type": "string"
            },
            "type": "array",
            "_uniqueItems": true
        },
        "tags": {
            "items": {
                "type": "string"
            },
            "type": "array",
            "_uniqueItems": true
        },
        "info": {
            "type": "object"
        }
    },
    "required": [
        "name",
        "created",
        "modified",
        "size",
        "hash"
    ],
    "key_fields": [
        "name"
    ],
    "additionalProperties": false
}