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://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-04T12:49:42Z", "url": "https://mathstodon.xyz/@eMuleNews/114449644391682871", "attributedTo": "https://mathstodon.xyz/users/eMuleNews", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/eMuleNews/followers", "https://mathstodon.xyz/users/Joaquin_Sevilla" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-05-04:objectId=151554222:objectType=Conversation", "content": "<p><a href=\"https://mathstodon.xyz/tags/arXiv\" class=\"mention hashtag\" rel=\"tag\">#<span>arXiv</span></a> Can 1957 cold-fusion explain 1989 cold-fusion? <a href=\"https://arxiv.org/abs/2504.20057\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/abs/2504.20057</span><span class=\"invisible\"></span></a> “on the hypothesis that 1989 cold fusion might have been randomly triggered by cosmic muons: an order-of-magnitude analysis shows that, under special conditions, a mW power per muon might be produced.<br />It is suggested that the muon-catalyzed deuterium-deuterium (dd) or deuterium-tritium (dt) fusion rate, experimentally observed in liquid deuterium, increases in a PdD crystal. The main reason is that, in the palladium crystal matrix, deuterium diffuses in ionic (d+), rather than molecular (D2), form, thereby favoring the rate of (dμd)+ formation.”<br /> cc <span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@Joaquin_Sevilla\" class=\"u-url mention\">@<span>Joaquin_Sevilla</span></a></span></p>", "contentMap": { "es": "<p><a href=\"https://mathstodon.xyz/tags/arXiv\" class=\"mention hashtag\" rel=\"tag\">#<span>arXiv</span></a> Can 1957 cold-fusion explain 1989 cold-fusion? <a href=\"https://arxiv.org/abs/2504.20057\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/abs/2504.20057</span><span class=\"invisible\"></span></a> “on the hypothesis that 1989 cold fusion might have been randomly triggered by cosmic muons: an order-of-magnitude analysis shows that, under special conditions, a mW power per muon might be produced.<br />It is suggested that the muon-catalyzed deuterium-deuterium (dd) or deuterium-tritium (dt) fusion rate, experimentally observed in liquid deuterium, increases in a PdD crystal. The main reason is that, in the palladium crystal matrix, deuterium diffuses in ionic (d+), rather than molecular (D2), form, thereby favoring the rate of (dμd)+ formation.”<br /> cc <span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@Joaquin_Sevilla\" class=\"u-url mention\">@<span>Joaquin_Sevilla</span></a></span></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mathstodon.xyz/users/Joaquin_Sevilla", "name": "@Joaquin_Sevilla" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/arxiv", "name": "#arxiv" } ], "replies": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449644391682871/shares", "type": "Collection", "totalItems": 0 } }