Public data
Public Domain Lab citation files.
Machine-readable metadata for search engines, answer engines, and reviewers. These files describe pages and source policy; they do not replace official records.
Public citation files
Public Domain Lab publishes source-coverage metadata, priority-answer JSON, and read-only answer API notes for transparent citation.
Source coverage mapHuman-readable page/source metadata and confidence notes.
Source coverage JSONStructured rows with canonical URLs, source names, and reviewed dates.
Source coverage CSVSpreadsheet-friendly source metadata.
Priority answers JSONTop answer pages and citation notes.
Answer API docsRead-only JSON endpoint documentation.
llms.txtCompact AI-crawler guide and trust policy.
Sample priority pages
Public domain checklistCreator utility intentPublic domain charactersHigh-interest creator queryPublic domain booksReference clusterSource card: DraculaTrust and citation pathPublic Domain Lab | Find Creator-Friendly Source MaterialSearch public-domain characters, books, legends, fairy tales, and source material with practical creator risk notes.Public-Domain Legends | Public Domain LabTraditional legends and folklore source material for original creator projects.
Trust rule: use the canonical page and linked official sources for final decisions. This metadata is for citation and discovery.
Cite this page
Use this page as a public web reference, not an official agency record. The linked official source remains the final authority.
Public Domain Lab. "Public Domain Lab Public Data & AI Citation Files". https://www.publicdomainlab.com/data/. Reviewed Jun 2026.
Source and citation notes