{
  "id": "uuid_v1",
  "kind": "datatype",
  "status": "draft",
  "name": "Time-based UUID (version 1)",
  "doc": "UUID of version 1 under RFC 9562. It holds a 60-bit count of 100-nanosecond intervals since 15 October 1582, a clock sequence and a 48-bit node ID. The node ID is usually the IEEE 802 MAC address of the generating host, so the value reveals when and on which machine it was made. The version digit, the first digit of the third group, is 1. RFC 9562 recommends version 7 instead of versions 1 and 6 where possible.",
  "parent": "uuid",
  "is_pii": false,
  "categories": [
    "identifiers"
  ],
  "langs": [
    "common"
  ],
  "classification": "identifier",
  "regexp": "^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-1[0-9A-Fa-f]{3}-[89ABab][0-9A-Fa-f]{3}-[0-9A-Fa-f]{12}$",
  "examples": [
    {
      "value": "C232AB00-9414-11EC-B3C8-9F6BDECED846",
      "description": "UUIDv1 test vector of RFC 9562 (Appendix A.1)",
      "valid": true
    },
    {
      "value": "a8098c1a-f86e-11da-bd1a-00112444be1e",
      "description": "uuid1() output in the Python uuid module documentation",
      "valid": true
    },
    {
      "value": "1EC9414C-232A-6B00-B3C8-9F6BDECED846",
      "description": "The same time and node as UUIDv6 (RFC 9562, Appendix A.5)",
      "valid": false
    },
    {
      "value": "919108f7-52d1-4320-9bac-f847db4148a8",
      "description": "UUIDv4",
      "valid": false
    }
  ],
  "links": [
    {
      "type": "doc",
      "url": "https://www.rfc-editor.org/rfc/rfc9562#name-uuid-version-1"
    }
  ],
  "translations": {
    "ru": {
      "name": "UUID версии 1 (на основе времени)"
    }
  },
  "quality": {
    "score": 80,
    "missing": [
      "mapping (Wikidata, Schema.org, ...)",
      "detector coverage"
    ]
  },
  "source": {
    "path": "data/datatypes/any/identifiers/uuid_v1.yaml",
    "url": "https://github.com/apicrafter/metacrafter-registry/blob/main/data/datatypes/any/identifiers/uuid_v1.yaml",
    "edit_url": "https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/identifiers/uuid_v1.yaml"
  },
  "urls": {
    "html": "http://registry.apicrafter.io/datatype/uuid_v1",
    "json": "http://registry.apicrafter.io/api/v1/datatypes/uuid_v1.json"
  }
}