Harisecurity widget 0.5.1

/v1/xcap-widget.iife.js        latest compatible build (cache 5 min)
/0.5.1/xcap-widget.iife.js     this exact build (immutable)
/0.5.1/sri.json                 SHA-384 of each script (integrity="sha384-...")
/versions.json                every version served, with its hashes

Serve xcap-worker.js next to the script you load. Documentation: https://docs.harisecurity.com/#/widget-integrity