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"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/MatteoCarandini/collections/featured",
"type": "OrderedCollection",
"totalItems": 4,
"orderedItems": [
{
"id": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2024-01-20T13:16:43Z",
"url": "https://mastodon.social/@MatteoCarandini/111788464790125885",
"attributedTo": "https://mastodon.social/users/MatteoCarandini",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/MatteoCarandini/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2024-01-20:objectId=624370329:objectType=Conversation",
"content": "<p>Back in the 90s, when I was in grad school, sensory decisions were analyzed with “signal detection theory”. Since then, many have found it more fruitful to use logistic classification: the observer weighs the factors, uses their sum to bias a coin, and flips the coin. </p><p>However, a student starting today would find the relevant information scattered around. To fix this, I wrote “Sensory choices as logistic classification": <a href=\"https://www.biorxiv.org/content/10.1101/2024.01.17.576029v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">biorxiv.org/content/10.1101/20</span><span class=\"invisible\">24.01.17.576029v1</span></a>. If you have suggestions, please let me know!</p>",
"contentMap": {
"en": "<p>Back in the 90s, when I was in grad school, sensory decisions were analyzed with “signal detection theory”. Since then, many have found it more fruitful to use logistic classification: the observer weighs the factors, uses their sum to bias a coin, and flips the coin. </p><p>However, a student starting today would find the relevant information scattered around. To fix this, I wrote “Sensory choices as logistic classification": <a href=\"https://www.biorxiv.org/content/10.1101/2024.01.17.576029v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">biorxiv.org/content/10.1101/20</span><span class=\"invisible\">24.01.17.576029v1</span></a>. If you have suggestions, please let me know!</p>"
},
"updated": "2024-01-20T13:28:36Z",
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://files.mastodon.social/media_attachments/files/111/788/400/351/738/951/original/6a97ed0d83798e0f.png",
"name": "A \"graphical abstract\" of the paper, showing a cartoon of a logistic classifier, and two examples of fits by the model, with traditional psychometric curves on the left and log odds representations on the right.",
"blurhash": "UAS6Plt6xu%L~pRkofRkD%jZofs:V@ayofof",
"focalPoint": [
0.07,
0.86
],
"width": 1512,
"height": 1814
}
],
"tag": [],
"replies": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885/replies?min_id=111788496141120995&page=true",
"partOf": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885/replies",
"items": [
"https://mastodon.social/users/MatteoCarandini/statuses/111788496141120995"
]
}
},
"likes": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885/likes",
"type": "Collection",
"totalItems": 32
},
"shares": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/111788464790125885/shares",
"type": "Collection",
"totalItems": 32
}
},
{
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2023-01-09T18:13:37Z",
"url": "https://mastodon.social/@MatteoCarandini/109660603487580716",
"attributedTo": "https://mastodon.social/users/MatteoCarandini",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/MatteoCarandini/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2023-01-09:objectId=375581533:objectType=Conversation",
"content": "<p>Visual cortex is affected by sounds. Does this mean it is multisensory? Does it represent sounds? </p><p>Today in Nature <a href=\"https://mastodon.social/tags/Neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroscience</span></a> (<a href=\"https://doi.org/10.1038/s41593-022-01227-x\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1038/s41593-022-012</span><span class=\"invisible\">27-x</span></a>) Célian Bimbard and team find otherwise.</p><p>Sound-evoked activity in visual cortex was similar across neurons. Even neurons in hippocampus. It persisted after we cut fibers from auditory cortex!<br /> <br />This activity was predicted by… subtle body movements evoked by the sounds. It reflects brainwide state and behavior signals. </p><p><a href=\"https://mastodon.social/tags/NeuroNewPaper\" class=\"mention hashtag\" rel=\"tag\">#<span>NeuroNewPaper</span></a></p>",
"contentMap": {
"en": "<p>Visual cortex is affected by sounds. Does this mean it is multisensory? Does it represent sounds? </p><p>Today in Nature <a href=\"https://mastodon.social/tags/Neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroscience</span></a> (<a href=\"https://doi.org/10.1038/s41593-022-01227-x\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1038/s41593-022-012</span><span class=\"invisible\">27-x</span></a>) Célian Bimbard and team find otherwise.</p><p>Sound-evoked activity in visual cortex was similar across neurons. Even neurons in hippocampus. It persisted after we cut fibers from auditory cortex!<br /> <br />This activity was predicted by… subtle body movements evoked by the sounds. It reflects brainwide state and behavior signals. </p><p><a href=\"https://mastodon.social/tags/NeuroNewPaper\" class=\"mention hashtag\" rel=\"tag\">#<span>NeuroNewPaper</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "video/mp4",
"url": "https://files.mastodon.social/media_attachments/files/109/660/592/598/134/144/original/3c2ba9692e6f96f3.mp4",
"name": "An animated cartoon showing (1) the waveforms of four sounds; (2) the neural activity that those sounds evoke in visual cortex; (3) the body movements evoked by the sounds. The traces for the neural activity and for the body movements are very similar.",
"blurhash": "U4Ss50~qRjRjRjj[RjM{?bM{oft7?bxuxuxu",
"focalPoint": [
-0.64,
0.02
],
"width": 1200,
"height": 686
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neuroscience",
"name": "#neuroscience"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neuronewpaper",
"name": "#neuronewpaper"
}
],
"replies": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716/replies?min_id=109660677266744680&page=true",
"partOf": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716/replies",
"items": [
"https://mastodon.social/users/MatteoCarandini/statuses/109660677266744680"
]
}
},
"likes": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716/likes",
"type": "Collection",
"totalItems": 91
},
"shares": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109660603487580716/shares",
"type": "Collection",
"totalItems": 97
}
},
{
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446",
"type": "Note",
"summary": null,
"inReplyTo": "https://universeodon.com/users/markkula/statuses/109550339682712104",
"published": "2022-12-28T11:55:25Z",
"url": "https://mastodon.social/@MatteoCarandini/109591168636172446",
"attributedTo": "https://mastodon.social/users/MatteoCarandini",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/MatteoCarandini/followers",
"https://universeodon.com/users/markkula",
"https://nerdculture.de/users/KathaSchmack",
"https://qoto.org/users/albertcardona",
"https://mastodon.world/users/kanoldlab",
"https://mastodon.ie/users/rhodricusack",
"https://sigmoid.social/users/antoniolozano",
"https://mastodon.social/users/jmgrohneuro"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446",
"inReplyToAtomUri": "https://universeodon.com/users/markkula/statuses/109550339682712104",
"conversation": "tag:mastodon.social,2022-11-20:objectId=337764666:objectType=Conversation",
"content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://universeodon.com/@markkula\" class=\"u-url mention\">@<span>markkula</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://nerdculture.de/@KathaSchmack\" class=\"u-url mention\">@<span>KathaSchmack</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://qoto.org/@albertcardona\" class=\"u-url mention\">@<span>albertcardona</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.world/@kanoldlab\" class=\"u-url mention\">@<span>kanoldlab</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.ie/@rhodricusack\" class=\"u-url mention\">@<span>rhodricusack</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@antoniolozano\" class=\"u-url mention\">@<span>antoniolozano</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@jmgrohneuro\" class=\"u-url mention\">@<span>jmgrohneuro</span></a></span> Thanks for the encouragement! I have refined those "tips for writing science" and they are now published in eNeuro (<a href=\"https://www.eneuro.org/content/9/6/ENEURO.0497-22.2022\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">eneuro.org/content/9/6/ENEURO.</span><span class=\"invisible\">0497-22.2022</span></a>). I hope they will be useful to some fellow scientists, and especially trainees.</p>",
"contentMap": {
"en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://universeodon.com/@markkula\" class=\"u-url mention\">@<span>markkula</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://nerdculture.de/@KathaSchmack\" class=\"u-url mention\">@<span>KathaSchmack</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://qoto.org/@albertcardona\" class=\"u-url mention\">@<span>albertcardona</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.world/@kanoldlab\" class=\"u-url mention\">@<span>kanoldlab</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.ie/@rhodricusack\" class=\"u-url mention\">@<span>rhodricusack</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@antoniolozano\" class=\"u-url mention\">@<span>antoniolozano</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@jmgrohneuro\" class=\"u-url mention\">@<span>jmgrohneuro</span></a></span> Thanks for the encouragement! I have refined those "tips for writing science" and they are now published in eNeuro (<a href=\"https://www.eneuro.org/content/9/6/ENEURO.0497-22.2022\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">eneuro.org/content/9/6/ENEURO.</span><span class=\"invisible\">0497-22.2022</span></a>). I hope they will be useful to some fellow scientists, and especially trainees.</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/media_attachments/files/109/591/157/628/030/192/original/08b6c6211ed3e196.jpg",
"name": "The first page of the article titled \"Some tips for writing science\", available at this link: https://doi.org/10.1523/ENEURO.0497-22.2022",
"blurhash": "UDQvwRIot7ay~qNGWBof?bRjfQof.8M{f6t7",
"focalPoint": [
-0.84,
0.81
],
"width": 1057,
"height": 1063
}
],
"tag": [
{
"type": "Mention",
"href": "https://universeodon.com/users/markkula",
"name": "@markkula@universeodon.com"
},
{
"type": "Mention",
"href": "https://nerdculture.de/users/KathaSchmack",
"name": "@KathaSchmack@nerdculture.de"
},
{
"type": "Mention",
"href": "https://qoto.org/users/albertcardona",
"name": "@albertcardona@qoto.org"
},
{
"type": "Mention",
"href": "https://mastodon.world/users/kanoldlab",
"name": "@kanoldlab@mastodon.world"
},
{
"type": "Mention",
"href": "https://mastodon.ie/users/rhodricusack",
"name": "@rhodricusack@mastodon.ie"
},
{
"type": "Mention",
"href": "https://sigmoid.social/users/antoniolozano",
"name": "@antoniolozano@sigmoid.social"
},
{
"type": "Mention",
"href": "https://mastodon.social/users/jmgrohneuro",
"name": "@jmgrohneuro"
}
],
"replies": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446/likes",
"type": "Collection",
"totalItems": 7
},
"shares": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109591168636172446/shares",
"type": "Collection",
"totalItems": 10
}
},
{
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2022-11-10T17:01:49Z",
"url": "https://mastodon.social/@MatteoCarandini/109320582537493890",
"attributedTo": "https://mastodon.social/users/MatteoCarandini",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/MatteoCarandini/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2022-11-10:objectId=329298128:objectType=Conversation",
"content": "<p>Back in 1996 I spent a month working with Horace Barlow (!) and he told me an interesting fact: after the war (I guess in the 1950s) he'd go to Soho in London to buy electronics discarded by the British military. He was particularly interested in boxes that contained a (fancy) photosensor aimed at a (cheap) light bulb. He explained why the British military had those boxes, and it's fascinating. Care to guess why? ( if you already know the answer, please hold your tongue as it may spoil the fun)</p>",
"contentMap": {
"en": "<p>Back in 1996 I spent a month working with Horace Barlow (!) and he told me an interesting fact: after the war (I guess in the 1950s) he'd go to Soho in London to buy electronics discarded by the British military. He was particularly interested in boxes that contained a (fancy) photosensor aimed at a (cheap) light bulb. He explained why the British military had those boxes, and it's fascinating. Care to guess why? ( if you already know the answer, please hold your tongue as it may spoil the fun)</p>"
},
"attachment": [],
"tag": [],
"replies": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890/replies?min_id=109322040428875432&page=true",
"partOf": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890/replies",
"items": [
"https://mastodon.social/users/MatteoCarandini/statuses/109322040428875432"
]
}
},
"likes": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890/likes",
"type": "Collection",
"totalItems": 49
},
"shares": {
"id": "https://mastodon.social/users/MatteoCarandini/statuses/109320582537493890/shares",
"type": "Collection",
"totalItems": 41
}
}
]
}