OpenCitations Index N-Triples dataset of the provenance information of all the citation data

This dataset contains the provenance information (in N-Triples format) of all the citation data included in the OpenCitation Index, released on February 2026. In particular, any citation in the dataset includes the following provenance information:<b>[citation IRI]</b> the Open Citation Identifier (OCI) for the citation, defined in the final part of the URL identifying the citation (https://w3id.org/oc/index/ci/[OCI]);<b>[property "prov:wasAttributedTo"]</b> the IRI of the agent that has created the citation data;<b>[property "prov:hadPrimarySource"]</b> the IRI of the source dataset from where the citation data have been extracted;<b>[property "prov:generatedAtTime"]</b> the creation time of the citation data.<b>[propert "prov:invalidatedAtTime"]</b> the start of the destruction, cessation, or expiry of an existing entity by an activity.<b>[property "oco:hasUpdateQuery"]</b> the UPDATE SPARQL query that keeps track of which metadata have been modified.The size of the zipped archive is 144 GB, while the size of the unzipped N-Triples files is 4.5 TB.