Update README.md

README.md

 #  The ARTI framework: cosmic rays atmospheric background simulations
 
+[![DOI](https://zenodo.org/badge/558859326.svg)](https://zenodo.org/badge/latestdoi/558859326)
+
 Set of data produced and analyzed for the study published in
 
 *The ARTI framework: cosmic rays atmospheric background simulations*\
@@ -22,4 +24,4 @@ This folder contains the data corresponding to the VEM calibration histogram, th
 
 ## Attribution
 
-This repository was forked by [H. Asorey](@asoreyh) on Oct 28, 2022, from the [original data repository](https://github.com/adrianacvr/lago_results_geant4) by [Adriana Vásquez-Ramírez](@adrianacvr).
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+This repository was forked by [H. Asorey](@asoreyh) on Oct 28, 2022, from the [original data repository](https://github.com/adrianacvr/lago_results_geant4) by [Adriana Vásquez-Ramírez](@adrianacvr).