OpenCitations Meta CSV dataset of OMID identifiers for all bibliographic resources and responsabile agents

This dataset contains a mapping between all the bibliographic resources and responsabile agents included in OpenCitation Meta (https://opencitations.net/meta) identified by an OMID and their corresponding PID(s) (e.g., DOI, PMID, ORCID, etc).

The dataset was released on March 24, 2025. The repository contains two datasets, one for the bibliographic resources (meta_br) and one for the responsabile agents (meta_ra). Each line of the CSV file maps an OMID to its corresponding PID(s), e.g. "06230199640,pmid:25088780 doi:10.1016/j.ymeth.2014.07.008". This version of the dataset contains 103,808,586 bibliographic resources and 8,987,807 responsabile agents, identified by an OMID value, and their corresponding PID(s).

Note: The data provided in this dump is based on the state of OpenCitations Meta at the time this collection was generated.