The evidence behind the guides

Sources library

Browse by topic or search for a study, author or question. Open evidence notes to see what a source can—and cannot—tell us.

Sources for Watermarking and provenance for oversight

2 sources

Guide citations are still under editorial review.

World Wide Web Consortium Technical standard

PROV Overview (original source, new tab)

Describes provenance records and relationships. Recording lineage does not guarantee the truth or lawful use of the material.

Sources retain their original publishers’ rights. Inclusion does not imply endorsement. Saved sources stay in this browser on this device. Dates and source descriptions come from the existing editorial records.