Format

ROS Bag Format

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Summary

Name: ROS Bag Format
Version: 2.0
Identifiers: PUID: fmt/2093
Format type: Dataset
Description: The ROS (Robotic Operating System) bag format stores timestamped ROS messages for visualization, offline analysis, and playback. The messages describe data values in a structured way to facilitate retrieval. The data is stored in a chunked structure and indexed.
Note: https://www.openrobotics.org/ https://wiki.ros.org/
File extensions: bag
Submitted by: Brigham Young University / Brigham Young University

Internal signatures

ROS Bag v.2

Description: BOF; Offset: 0; Magic Bytes: #ROSBAG V2.0

Byte sequences

Min Frag Length: Absolute from BOF
Offset: 0
Max offset: 0
Byte Sequence: 23524F534241472056322E30
Endianness: None

Changelog

V123

Release date

9 June 2026
- Added format
  
  ROS Bag Format 2.0: Full entry added. Submitted by Digital Research Alliance of Canada - Federated Research Data Repository / Alliance de recherche numérique du Canada - Dépôt fédéré de données de recherche.
- Added signature
  
  ROS Bag Format 2.0: Signature researched and samples provided by Digital Research Alliance of Canada - Federated Research Data Repository / Alliance de recherche numérique du Canada - Dépôt fédéré de données de recherche.