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.
{
"@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"
}
}
],
"id": "https://fosstodon.org/users/mole99/statuses/114337479166197616/replies",
"type": "Collection",
"first": {
"id": "https://fosstodon.org/users/mole99/statuses/114337479166197616/replies?page=true",
"type": "CollectionPage",
"next": "https://fosstodon.org/users/mole99/statuses/114337479166197616/replies?only_other_accounts=true&page=true",
"partOf": "https://fosstodon.org/users/mole99/statuses/114337479166197616/replies",
"items": [
{
"id": "https://fosstodon.org/users/mole99/statuses/114337482903827086",
"type": "Note",
"summary": null,
"inReplyTo": "https://fosstodon.org/users/mole99/statuses/114337479166197616",
"published": "2025-04-14T17:25:33Z",
"url": "https://fosstodon.org/@mole99/114337482903827086",
"attributedTo": "https://fosstodon.org/users/mole99",
"to": [
"https://fosstodon.org/users/mole99/followers"
],
"cc": [
"https://www.w3.org/ns/activitystreams#Public"
],
"sensitive": false,
"atomUri": "https://fosstodon.org/users/mole99/statuses/114337482903827086",
"inReplyToAtomUri": "https://fosstodon.org/users/mole99/statuses/114337479166197616",
"conversation": "tag:fosstodon.org,2025-04-14:objectId=307336686:objectType=Conversation",
"content": "<p>The FPGA itself is relatively small (less than 1k LUT4) but has some nice primitives such as SRAM, MAC and dedicated register files. Greyhound's embedded FPGA can be used as a custom instruction extension, as a peripheral or as a completely standalone FPGA with 32 I/Os.</p><p>- Missing a peripheral? Simply implement it with the eFPGA.<br />- Want to speed up code execution? Write your own custom instruction extension.<br />And best of all: You can generate the FPGA bitstream using upstream yosys and nextpnr.</p>",
"contentMap": {
"en": "<p>The FPGA itself is relatively small (less than 1k LUT4) but has some nice primitives such as SRAM, MAC and dedicated register files. Greyhound's embedded FPGA can be used as a custom instruction extension, as a peripheral or as a completely standalone FPGA with 32 I/Os.</p><p>- Missing a peripheral? Simply implement it with the eFPGA.<br />- Want to speed up code execution? Write your own custom instruction extension.<br />And best of all: You can generate the FPGA bitstream using upstream yosys and nextpnr.</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://cdn.fosstodon.org/media_attachments/files/114/337/480/036/498/017/original/2e197819232968bd.png",
"name": "The tile map of the FPGA fabric inside Greyhound. The fabric consists of CLBs, Register tiles, MAC primitives and SRAM blocks. At the boundary are termination tiles, IO tiles, a warmboot tile and some tiles to communicate with the SoC/CPU.",
"blurhash": "UkPQBY~TyB94V]oej[WC--RoV_tKofoyj[WB",
"focalPoint": [
0,
0
],
"width": 1123,
"height": 794
}
],
"tag": [],
"replies": {
"id": "https://fosstodon.org/users/mole99/statuses/114337482903827086/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://fosstodon.org/users/mole99/statuses/114337482903827086/replies?min_id=114337485406175081&page=true",
"partOf": "https://fosstodon.org/users/mole99/statuses/114337482903827086/replies",
"items": [
"https://fosstodon.org/users/mole99/statuses/114337485406175081"
]
}
},
"likes": {
"id": "https://fosstodon.org/users/mole99/statuses/114337482903827086/likes",
"type": "Collection",
"totalItems": 16
},
"shares": {
"id": "https://fosstodon.org/users/mole99/statuses/114337482903827086/shares",
"type": "Collection",
"totalItems": 6
}
}
]
}
}