(Author here.) The "Signed HTTP Exchanges standard" is part of the Web Packaging standard, which is, indeed, the whole point of the article. https://github.com/

(Author here.) The "Signed HTTP Exchanges standard" is part of the Web Packaging standard, which is, indeed, the whole point of the article. https://github.com/WICG/webpackage https://github.com/WICG/webpackage