The sequence (i.e., workflow) in which the operations shown in Fig. 2 are performed by the client. For simplicity, we only show the scenario where the first PID provided to the client corresponds to the image FDO.  

  
  Part of: Blumenröhr N, Aversa R (2023) From implementation to application: FAIR digital objects for training data composition. Research Ideas and Outcomes 9: e108706. https://doi.org/10.3897/rio.9.e108706