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Format

CATIA Model

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Summary

Name
CATIA Model
Version
4
Identifiers
  • Other:
  • PUID: x-fmt/436
Format type
Model
Disclosure
Full
Description
CATIA is a 3D modelling software created by Dassault Systèmes, widely used across many industries for computer aided design, manufacture and engineering. Model files store representations of mechanical structures, or parts of structures.
Format encoding
Binary
File extensions
mod, model
Submitted by
Digital Library Research Group / MIT Libraries
Developed by
Dassault Systèms
Supported by
Dassault Systèms

Internal signatures

CATIA Model V4

Description
BOF offset 80, magic bytes: CATIA followed by three spaces*CATIA SOLUTIONS V4{6}RELEASE followed by one space
Provenance
Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010); 11/2023 (v.115)- Max-offset modified for BOF signature to allow for more exact signature identification. Internally researched. 04/2024 (v.117)- Signature updated to include a variable rather than a fixed byte sequence of 2024 bytes. Submitted by the J. Paul Getty Trust.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
80
Max offset
0
Byte Sequence
4341544941202020*434154494120534F4C5554494F4E53205634{6}52454C4541534520
Endianness
None

Changelog

  • V118

    Release date
    30 April 2024

    • Updated

      CATIA Model 4: Signature updated to include a variable rather than a fixed byte sequence of 2026 bytes. Submitted by J. Paul Getty Trust.

  • V115

    Release date
    15 November 2023

    • Updated

      CATIA Model 4: Max-offset modified for the BOF signature to allow for more exact signature identification. Submitted by Digital Preservation Department, The National Archives (UK).

  • V105

    Release date
    29 June 2022

    • Updated

      CATIA Model 4: Updated description and magic bytes. Submitted by Digital Preservation Department, The National Archives (UK).

  • V101

    Release date
    15 February 2022

    • Updated

      CATIA Model: Removed MIME type and added description. Submitted by Digital Preservation Department,The National Archives.

  • V84

    Release date
    21 January 2016

    • Updated

      CATIA Model 4: Added format type 'Model'.

  • V45

    Release date
    6 December 2010

    • Added signature

      CATIA Model 4: Signature submitted by Georgia Tech Research Institute, USA.