CPT don't show single or archive

I created a CPT, but I can not see these entries CPT.
The activate theme is Scribe (childtheme)

/**
* Register Custom Post Type "Conferenciantes"
* @return [type] [description]
*/
if (!function_exists('RegisterSpeakingPeopleConferenciantes')) {
function RegisterSpeakingPeopleConferenciantes() {

$labels = array(
'name' => _x( 'Conferenciantes', 'Post Type General Name', 'cptconferenciantes' ),
'singular_name' => _x( 'Conferenciante', 'Post Type Singular Name', 'cptconferenciantes' ),
'menu_name' => __( 'Conferenciante', 'cptconferenciantes' ),
'name_admin_bar' => __( 'Conferenciante', 'cptconferenciantes' ),
'parent_item_colon' => __( 'Parent Item:', 'cptconferenciantes' ),
'all_items' => __( 'Todos los Conferenciantes', 'cptconferenciantes' ),
'add_new_item' => __( 'Añadir Conferenciante', 'cptconferenciantes' ),
'add_new' => __( 'Añadir nuevo', 'cptconferenciantes' ),
'new_item' => __( 'Nuevo Conferenciante', 'cptconferenciantes' ),
'edit_item' => __( 'Editar Conferenciante', 'cptconferenciantes' ),
'update_item' => __( 'Actualizar Conferenciante', 'cptconferenciantes' ),
'view_item' => __( 'Ver Conferenciante', 'cptconferenciantes' ),
'search_items' => __( 'Buscar Conferenciante', 'cptconferenciantes' ),
'not_found' => __( 'No hay nada', 'cptconferenciantes' ),
'not_found_in_trash' => __( 'Papelera vacía', 'cptconferenciantes' ),
);
$args = array(
'label' => __( 'conferenciante', 'cptconferenciantes' ),
'description' => __( 'Entradas para los Conferenciantes', 'cptconferenciantes' ),
'labels' => $labels,
'supports' => array( 'title', 'editor', 'excerpt', 'thumbnail', 'custom-fields', ),
'taxonomies' => array( 'category', 'post_tag' ),
'hierarchical' => false,
'public' => true,
'show_ui' => true,
'show_in_menu' => true,
'menu_position' => 5,
'menu_icon' => 'dashicons-microphone',
'show_in_admin_bar' => true,
'show_in_nav_menus' => true,
'can_export' => true,
'has_archive' => false,
'exclude_from_search' => false,
'publicly_queryable' => true,
'capability_type' => 'post',
);
register_post_type( 'conferenciante', $args );

}

// Hook into the 'init' action
add_action( 'init', 'RegisterSpeakingPeopleConferenciantes', 0 );
}