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Format

ROS Bag Format

Download XML

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
Source
Brigham Young University / Brigham Young University

Internal signatures

ROS Bag v.2

Note
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

  • Added in V123

    Release date
    9 June 2026

    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.

    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.