The ExoClock Project: an open integrated platform for maintaining the Ariel target ephemerides with contributions from the public

The ExoClock Project (www.exoclock.space) is an open, integrated, and interactive platform, designed to maintain the ephemerides accuracy of the Ariel targets. Ariel is ESA's medium class space mission prepared for launch in 2029. The main aim of the mission is to characterise a large number of exoplanets to better understand their nature. ExoClock aims to provide transit mid-time predictions for Ariel by collecting all currently available data (literature observations, observations conducted for other purposes, both from ground and space) and by efficiently planning dedicated efforts to follow-up the Ariel targets. ExoClock is open to contributions from a variety of audiences professional, amateur astronomers, university students and industry partners aiming to make the best use of all available resources towards delivering a verified list of ephemerides for the Ariel targets before the launch of the mission. In this presentation the organisation and the current status of the ExoClock project will be described. In addition, strategies and tools that are used to enable open science will be presented. Finally, the results will be presented from almost three years of operation of the project.