{"action":"closed","issue":{"url":"https://api.github.com/repos/WebMemex/freeze-dry/issues/23","repository_url":"https://api.github.com/repos/WebMemex/freeze-dry","labels_url":"https://api.github.com/repos/WebMemex/freeze-dry/issues/23/labels{/name}","comments_url":"https://api.github.com/repos/WebMemex/freeze-dry/issues/23/comments","events_url":"https://api.github.com/repos/WebMemex/freeze-dry/issues/23/events","html_url":"https://github.com/WebMemex/freeze-dry/issues/23","id":343593720,"node_id":"MDU6SXNzdWUzNDM1OTM3MjA=","number":23,"title":"Add provenance metadata","user":{"login":"Treora","id":4191409,"node_id":"MDQ6VXNlcjQxOTE0MDk=","avatar_url":"https://avatars0.githubusercontent.com/u/4191409?v=4","gravatar_id":"","url":"https://api.github.com/users/Treora","html_url":"https://github.com/Treora","followers_url":"https://api.github.com/users/Treora/followers","following_url":"https://api.github.com/users/Treora/following{/other_user}","gists_url":"https://api.github.com/users/Treora/gists{/gist_id}","starred_url":"https://api.github.com/users/Treora/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Treora/subscriptions","organizations_url":"https://api.github.com/users/Treora/orgs","repos_url":"https://api.github.com/users/Treora/repos","events_url":"https://api.github.com/users/Treora/events{/privacy}","received_events_url":"https://api.github.com/users/Treora/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-07-23T11:28:46Z","updated_at":"2018-09-13T18:33:35Z","closed_at":"2018-09-13T18:33:35Z","author_association":"CONTRIBUTOR","body":"It would be valuable to retain the snapshotted document's URL somewhere, as well as the time of capture, and possibly other metadata. I am not sure whether this should be a task of freeze-dry itself, or of the application invoking it.\r\n\r\nMy current disposition is towards adding `<meta>` tags to the snapshot's `<head>` to add the snapshot's URL and date. The Memento protocol has [spec](https://mementoweb.org/guide/rfc/)ified HTTP headers for exactly this purpose, which we could pour into meta tags as such (as [discussed on memento-dev](https://groups.google.com/d/msg/memento-dev/Ozc1iTUPb_0/BdKtjgncBAAJ)):\r\n\r\n    <meta http-equiv=\"Memento-Datetime\" content=\"Wed, 30 May 2007 18:47:52 GMT\">\r\n    <link rel=\"original\" href=\"https://example.org/\">\r\n\r\nThis feature, as well as the current practice of keeping `data-original-...` attributes to retain the URLs of subresources, should probably be optional."}}
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