{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "protected-header-v0.1 review candidate v0.1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "alg",
    "kid",
    "typ"
  ],
  "properties": {
    "alg": {
      "const": "ES256"
    },
    "kid": {
      "type": "string",
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:/-]{0,127}(?![\\s\\S])"
    },
    "typ": {
      "const": "railiance-clock-sample-v0.1"
    }
  }
}