{
  "$schema": "http://json-schema.org/draft-07/schema#", "type": "object",
  "required": ["basis-artifact-id", "basis-artifact-sha256", "summary", "protocol", "version", "operations", "schemas", "errors", "compatibility"],
  "properties": {
    "basis-artifact-id": {"type": "string", "minLength": 1}, "basis-artifact-sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"},
    "summary": {"type": "string", "minLength": 1}, "protocol": {"type": "string", "minLength": 1}, "version": {"type": "string", "minLength": 1},
    "operations": {"type": "array", "minItems": 1}, "schemas": {"type": "object", "minProperties": 1},
    "errors": {"type": "array", "minItems": 1}, "compatibility": {"type": "object", "minProperties": 1}
  }
}