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.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "Hashtag": "as:Hashtag" } ], "id": "https://masto.ai/users/Nonilex/statuses/114745387803385750", "type": "Note", "summary": null, "inReplyTo": "https://masto.ai/users/Nonilex/statuses/114745374591683272", "published": "2025-06-25T18:21:08Z", "url": "https://masto.ai/@Nonilex/114745387803385750", "attributedTo": "https://masto.ai/users/Nonilex", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://masto.ai/users/Nonilex/followers" ], "sensitive": false, "atomUri": "https://masto.ai/users/Nonilex/statuses/114745387803385750", "inReplyToAtomUri": "https://masto.ai/users/Nonilex/statuses/114745374591683272", "conversation": "tag:masto.ai,2025-06-25:objectId=274263870:objectType=Conversation", "content": "<p>…scientists found there was no way to get a <a href=\"https://masto.ai/tags/nuclear\" class=\"mention hashtag\" rel=\"tag\">#<span>nuclear</span></a> weapon nearly deep enough to contain the blast &amp; fallout, &amp; the program was abandoned.</p><p>Brumfiel went back to take a look at the <a href=\"https://masto.ai/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> from those studies, &amp; found it was fairly straightforward. The penetration equations have existed since the 1960s &amp; depend on a limited number of factors, including the shape of the nose cone, the weight &amp; diameter of the weapon, the speed at which it hits the ground, &amp; the type of earth it gets dropped on.</p>", "contentMap": { "en": "<p>…scientists found there was no way to get a <a href=\"https://masto.ai/tags/nuclear\" class=\"mention hashtag\" rel=\"tag\">#<span>nuclear</span></a> weapon nearly deep enough to contain the blast &amp; fallout, &amp; the program was abandoned.</p><p>Brumfiel went back to take a look at the <a href=\"https://masto.ai/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> from those studies, &amp; found it was fairly straightforward. The penetration equations have existed since the 1960s &amp; depend on a limited number of factors, including the shape of the nose cone, the weight &amp; diameter of the weapon, the speed at which it hits the ground, &amp; the type of earth it gets dropped on.</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://masto.ai/tags/nuclear", "name": "#nuclear" }, { "type": "Hashtag", "href": "https://masto.ai/tags/math", "name": "#math" } ], "replies": { "id": "https://masto.ai/users/Nonilex/statuses/114745387803385750/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://masto.ai/users/Nonilex/statuses/114745387803385750/replies?min_id=114745393784355350&page=true", "partOf": "https://masto.ai/users/Nonilex/statuses/114745387803385750/replies", "items": [ "https://masto.ai/users/Nonilex/statuses/114745393784355350" ] } }, "likes": { "id": "https://masto.ai/users/Nonilex/statuses/114745387803385750/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://masto.ai/users/Nonilex/statuses/114745387803385750/shares", "type": "Collection", "totalItems": 7 } }