rosbag2_bagfile_information: version: 5 storage_identifier: sqlite3 duration: nanoseconds: 171504 starting_time: nanoseconds_since_epoch: 1774345138077710357 message_count: 2 topics_with_message_count: - topic_metadata: name: /nav/control type: geometry_msgs/msg/Twist serialization_format: cdr offered_qos_profiles: "- history: 3\n depth: 0\n reliability: 1\n durability: 2\n deadline:\n sec: 9223372036\n nsec: 854775807\n lifespan:\n sec: 9223372036\n nsec: 854775807\n liveliness: 1\n liveliness_lease_duration:\n sec: 9223372036\n nsec: 854775807\n avoid_ros_namespace_conventions: false" message_count: 2 - topic_metadata: name: /scan/out type: sensor_msgs/msg/LaserScan serialization_format: cdr offered_qos_profiles: "- history: 3\n depth: 0\n reliability: 1\n durability: 2\n deadline:\n sec: 9223372036\n nsec: 854775807\n lifespan:\n sec: 9223372036\n nsec: 854775807\n liveliness: 1\n liveliness_lease_duration:\n sec: 9223372036\n nsec: 854775807\n avoid_ros_namespace_conventions: false" message_count: 0 compression_format: "" compression_mode: "" relative_file_paths: - rosbag2_2026_03_24-17_37_59_0.db3 files: - path: rosbag2_2026_03_24-17_37_59_0.db3 starting_time: nanoseconds_since_epoch: 1774345138077710357 duration: nanoseconds: 171504 message_count: 2