OpenCitations open citation data history

Overview. OpenCitations publishes the data in its datasets under a Creative Commons CC0 public-domain dedication.

Context. Citation metadata describes relationships among works and does not grant republication rights to the cited papers' full text.

Overview. OpenCitations publishes the data in its datasets under a Creative Commons CC0 public-domain dedication.

Context. Citation metadata describes relationships among works and does not grant republication rights to the cited papers' full text.

How to use this open research infrastructure entry for OpenCitations open citation data. Read the primary work for its stated setup and reported evidence, then distinguish what the authors demonstrated from what later summaries infer.

Evidence note. This Research open research infrastructure record for OpenCitations open citation data is presented as an as-of-2026-07-13 orientation. The claim ledger identifies the source supporting its core statements; follow that record for the publication's full context and any later changes.

OpenCitations publishes the data in its datasets under a Creative Commons CC0 public-domain dedication.

Citation metadata describes relationships among works and does not grant republication rights to the cited papers' full text.

Why it matters: OpenCitations open citation data is best understood as part of a system, not as a label in isolation. The practical questions are what inputs it accepts, what outputs it produces, which evidence supports its capabilities, what constraints surround deployment, and how those details change over time. The Compendium separates the documented facts above from interpretation and records an as-of date so readers can re-check the primary source.

Reading note: this is original explanatory writing. It links to the cited source instead of reproducing protected text. Product availability, model names, pricing, and policies can change; follow the source for the provider's current position.

OpenCitations publishes the data in its datasets under a Creative Commons CC0 public-domain dedication.

Citation metadata describes relationships among works and does not grant republication rights to the cited papers' full text.

Why it matters: OpenCitations open citation data is best understood as part of a system, not as a label in isolation. The practical questions are what inputs it accepts, what outputs it produces, which evidence supports its capabilities, what constraints surround deployment, and how those details change over time. The Atlas separates the documented facts above from interpretation and records an as-of date so readers can re-check the primary source.

Reading note: this is original explanatory writing. It links to the cited source instead of reproducing protected text. Product availability, model names, pricing, and policies can change; follow the source for the provider's current position.