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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mstdn.social/users/bread80/statuses/114364324657133247", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-19T11:11:46Z", "url": "https://mstdn.social/@bread80/114364324657133247", "attributedTo": "https://mstdn.social/users/bread80", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/bread80/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/bread80/statuses/114364324657133247", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2025-04-19:objectId=541816317:objectType=Conversation", "content": "<p>I moving on to start implementing user types in the <a href=\"https://mstdn.social/tags/Quiche\" class=\"mention hashtag\" rel=\"tag\">#<span>Quiche</span></a> <a href=\"https://mstdn.social/tags/compiler\" class=\"mention hashtag\" rel=\"tag\">#<span>compiler</span></a>. I figure the most useful type to have is arrays and, by implication, strings. Arrays boil down to typed pointers internally so I&#39;m starting with the pointer stuff.</p><p>This now works to assign the address of a variable to a typed pointer, and to instantiate a variable to assign that pointers value to. The PI variable is to test that assigning a ^Byte to it fails (which it does).</p><p><a href=\"https://mstdn.social/tags/Z80\" class=\"mention hashtag\" rel=\"tag\">#<span>Z80</span></a></p>", "contentMap": { "en": "<p>I moving on to start implementing user types in the <a href=\"https://mstdn.social/tags/Quiche\" class=\"mention hashtag\" rel=\"tag\">#<span>Quiche</span></a> <a href=\"https://mstdn.social/tags/compiler\" class=\"mention hashtag\" rel=\"tag\">#<span>compiler</span></a>. I figure the most useful type to have is arrays and, by implication, strings. Arrays boil down to typed pointers internally so I&#39;m starting with the pointer stuff.</p><p>This now works to assign the address of a variable to a typed pointer, and to instantiate a variable to assign that pointers value to. The PI variable is to test that assigning a ^Byte to it fails (which it does).</p><p><a href=\"https://mstdn.social/tags/Z80\" class=\"mention hashtag\" rel=\"tag\">#<span>Z80</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mstdn.social/media_attachments/files/114/364/302/317/783/195/original/3c1432183d0e8fa8.png", "name": "Source code:\nvar P: ^Byte\nvar PI: ^Integer\nvar B: Byte = 10\nP := @B\nvar X := P", "blurhash": "U69jls^+M|%2%2RjRjxu0KWBayj[D*%LWCIo", "focalPoint": [ 0, 0 ], "width": 126, "height": 82 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.mstdn.social/media_attachments/files/114/364/320/365/683/285/original/2820487b167eddb2.png", "name": "The generated assembly:\n;==========_Global\n\n__global:\n;3: var B: Byte = 10\n__global1:\n ld a,$0a\n ld (_v__Global_B),a\n;4: P := @B\n ld hl,_v__Global_B\n ld (_v__Global_P),hl\n;5: var X := P\n ld (_v__Global_X),hl\n__global2:\n;Postamble\n ret\n;----------_Global\n\n_v__Global_P: dw 0\n_v__Global_PI: dw 0\n_v__Global_B: db 0\n_v__Global_X: dw 0", "blurhash": "U16[2H_3D%RjWBj[j[j[M{ayj[ayIUj[t7of", "focalPoint": [ 0, 0 ], "width": 179, "height": 308 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/quiche", "name": "#quiche" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/compiler", "name": "#compiler" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/z80", "name": "#z80" } ], "replies": { "id": "https://mstdn.social/users/bread80/statuses/114364324657133247/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/bread80/statuses/114364324657133247/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/bread80/statuses/114364324657133247/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/bread80/statuses/114364324657133247/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mstdn.social/users/bread80/statuses/114364324657133247/shares", "type": "Collection", "totalItems": 0 } }