There is no single human-authored standard. There are at least six live schemes for books alone, and the BBC counted at least eight broader “human-made†labelling initiatives across industries in March. Here is what each book scheme promises and how it checks. Authors Guild: Human Authored (United States) The Authors Guild launched its Human Authored certification in beta for members in January 2025. On 2 March 2026 it opened the mark to all authors with books published in the United States.
