ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

Open in browser →
{ "@context": [ "https://www.w3.org/ns/activitystreams", "https://pleroma.microblog.se/schemas/litepub-0.1.jsonld", { "@language": "und" } ], "actor": "https://pleroma.microblog.se/users/jan", "attachment": [], "attributedTo": "https://pleroma.microblog.se/users/jan", "cc": [ "https://pleroma.microblog.se/users/jan/followers" ], "content": "“Ontological considerations necessitate an escape from the Newtonian trap of mechanistic simplification, in which epistemology entails and hence swallows ontology. In the pre-Newtonian science that is natural philosophy, a natural system is studied in terms of its existence and essence.”<br>—Aloisius H. Louie, More Than Life Itself: A Synthetic Continuation in Relational Biology<br><a class=\"hashtag\" data-tag=\"science\" href=\"https://pleroma.microblog.se/tag/science\" rel=\"tag ugc\">#science</a> <a class=\"hashtag\" data-tag=\"naturalphilosophy\" href=\"https://pleroma.microblog.se/tag/naturalphilosophy\" rel=\"tag ugc\">#naturalphilosophy</a> <a class=\"hashtag\" data-tag=\"epistemology\" href=\"https://pleroma.microblog.se/tag/epistemology\" rel=\"tag ugc\">#epistemology</a> <a class=\"hashtag\" data-tag=\"ontology\" href=\"https://pleroma.microblog.se/tag/ontology\" rel=\"tag ugc\">#ontology</a>", "context": "https://pleroma.microblog.se/contexts/3fb94cf1-7fe1-45b3-818c-db942518cee4", "conversation": "https://pleroma.microblog.se/contexts/3fb94cf1-7fe1-45b3-818c-db942518cee4", "id": "https://pleroma.microblog.se/objects/a7110649-47bb-43fb-b770-106c17f3a211", "published": "2025-05-01T06:59:36.373381Z", "repliesCount": 1, "sensitive": null, "source": { "content": "“Ontological considerations necessitate an escape from the Newtonian trap of mechanistic simplification, in which epistemology entails and hence swallows ontology. In the pre-Newtonian science that is natural philosophy, a natural system is studied in terms of its existence and essence.”\r\n—Aloisius H. Louie, More Than Life Itself: A Synthetic Continuation in Relational Biology\r\n#science #naturalphilosophy #epistemology #ontology", "mediaType": "text/plain" }, "summary": "", "tag": [ { "href": "https://pleroma.microblog.se/tags/epistemology", "name": "#epistemology", "type": "Hashtag" }, { "href": "https://pleroma.microblog.se/tags/naturalphilosophy", "name": "#naturalphilosophy", "type": "Hashtag" }, { "href": "https://pleroma.microblog.se/tags/ontology", "name": "#ontology", "type": "Hashtag" }, { "href": "https://pleroma.microblog.se/tags/science", "name": "#science", "type": "Hashtag" } ], "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "type": "Note" }