https://christopherkenny.r-universe.dev/opengraphhttps://christopherkenny.r-universe.dev/api/packages/opengraphhttps://christopherkenny.r-universe.dev/opengraph/opengraph.pdfhttps://christopherkenny.r-universe.dev/opengraph/doc/manual.htmlhttps://christopherkenny.r-universe.dev/opengraph/NEWShttps://christopherkenny.r-universe.dev/opengraph/NEWS.txthttps://christopherkenny.r-universe.dev/opengraph/citationhttps://christopherkenny.r-universe.dev/opengraph/citation.txthttps://christopherkenny.r-universe.dev/opengraph/citation.cff