CDS, ESO and INAF attended the DataCite meeting org anized before the RDA Plenary. The implementation of DOIs for astronomy is currently a hot topic. Staff from CDS (including WP4 lead), CTA, EGO, INAF , UHEI participated in the RDA Plenary meeting. A presentation on IVOA Provenance activities involving CDS, CTA and GAVO, was presented at the Research Data Provenance Interest Group meeting