public function pubcall($uri, $auth_header, $items)
    {
        $uri .= '/publish/';
        $content = array();
        $content['items'] = $items;
        $headers = array('Content-Type: application/json');
        if (!is_null($auth_header))
            $headers[] = 'Authorization: ' . $auth_header;
        $results = $this->make_http_request($uri, $headers, $content);
        $this->verify_http_status_code($results[0], $results[1]);
    }