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sat-captchas-v1

Tasks:
Image Classification
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SAT Captchas V1

This dataset archive contains CAPTCHA images from the SAT CFDI verification flow targeted by the sat-captcha-solver project.

Release Context

As of the morning of March 25, 2026, the specific CAPTCHA targeted by this project had been deprecated. That deprecation is the reason the related code and this dataset archive were made public.

Contents

  • images.tar: archive containing the CAPTCHA image files under images/
  • labels.csv: filename-to-label manifest

Format

labels.csv has the schema:

filename,label
10010_5c195ffcb437.jpg,10010

Each filename entry maps to a .jpg inside the images/ directory contained in images.tar.

Extraction 

tar -xf images.tar

Notes

  • This repository stores the dataset as an archive to keep the Hugging Face upload practical and to avoid the operational overhead of publishing more than 135k individual files.
  • The corresponding code repository is the public sat-captcha-solver project.
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Size of downloaded dataset files:
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Size of the auto-converted Parquet files:
4 MB
Number of rows:
146,371