{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://tylereno.me/oidf/schemas/common/identifier.json",
  "title": "ArkIdentifier",
  "description": "Opaque stable identifier within a trust domain.",
  "x-keel-schema-version": "1.0.0",
  "type": "string",
  "minLength": 1,
  "maxLength": 128,
  "pattern": "^[A-Za-z0-9][A-Za-z0-9._:~-]*$"
}