{"data_url":"https:\/\/intchron.org\/public.php?series=intcal20\/doi\/10.1126\/science.1189395","json_application":"INTCHRON.Project","project_series_list":[],"schema":"https:\/\/intchron.org\/schema","compilation":{"by":"IntChron","url":"https:\/\/intchron.org","updated":"2026-05-02T07:29:50+01:00","retrieved":"2026-05-02T07:29:50+01:00"}}