**Context** This dataset represents all the Arxiv papers metadata submitted since 1993, downloaded using the OAI-PMH Harvester. **Content** 1.5 Million research papers metadata in different fields hosted on Arxiv from Q1 1993 to Q3 2019. **Acknowledgements** Thanks to Arxiv for helping and spreading open source research culture! And thanks also to R. Stuart Geiger for his [work][1]. **Inspiration** [ArXiV Archive: A Tidy and Complete Archive of Metadata for Papers on arxiv.org][2] [1]: https://github.com/staeiou/arxiv_archive [2]: http://doi.org/10.5281/zenodo.1463242