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://sigmoid.social/users/lysander07/statuses/114448657145296208",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-04T08:38:37Z",
"url": "https://sigmoid.social/@lysander07/114448657145296208",
"attributedTo": "https://sigmoid.social/users/lysander07",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://sigmoid.social/users/lysander07/followers",
"https://sigmoid.social/users/enorouzi",
"https://fedihum.org/users/tabea",
"https://fedihum.org/users/sourisnumerique",
"https://wisskomm.social/users/fiz_karlsruhe",
"https://sigmoid.social/users/fizise"
],
"sensitive": false,
"atomUri": "https://sigmoid.social/users/lysander07/statuses/114448657145296208",
"inReplyToAtomUri": null,
"conversation": "tag:sigmoid.social,2025-05-04:objectId=56904410:objectType=Conversation",
"content": "<p>Next step in our NLP timeline is Claude Elwood Shannon, who already laid the foundations for statistical language modeling by recognising the relevance of n-grams to model properties of language and predicting the likelihood of word sequences.</p><p>C.E. Shannon ""A Mathematical Theory of Communication" (1948) <a href=\"https://web.archive.org/web/19980715013250/http://cm.bell-labs.com/cm/ms/what/shannonday/shannon1948.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">web.archive.org/web/1998071501</span><span class=\"invisible\">3250/http://cm.bell-labs.com/cm/ms/what/shannonday/shannon1948.pdf</span></a></p><p><a href=\"https://sigmoid.social/tags/ise2025\" class=\"mention hashtag\" rel=\"tag\">#<span>ise2025</span></a> <a href=\"https://sigmoid.social/tags/nlp\" class=\"mention hashtag\" rel=\"tag\">#<span>nlp</span></a> <a href=\"https://sigmoid.social/tags/lecture\" class=\"mention hashtag\" rel=\"tag\">#<span>lecture</span></a> <a href=\"https://sigmoid.social/tags/languagemodel\" class=\"mention hashtag\" rel=\"tag\">#<span>languagemodel</span></a> <a href=\"https://sigmoid.social/tags/informationtheory\" class=\"mention hashtag\" rel=\"tag\">#<span>informationtheory</span></a> <a href=\"https://sigmoid.social/tags/historyofscience\" class=\"mention hashtag\" rel=\"tag\">#<span>historyofscience</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@enorouzi\" class=\"u-url mention\">@<span>enorouzi</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@tabea\" class=\"u-url mention\">@<span>tabea</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@sourisnumerique\" class=\"u-url mention\">@<span>sourisnumerique</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://wisskomm.social/@fiz_karlsruhe\" class=\"u-url mention\">@<span>fiz_karlsruhe</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@fizise\" class=\"u-url mention\">@<span>fizise</span></a></span></p>",
"contentMap": {
"en": "<p>Next step in our NLP timeline is Claude Elwood Shannon, who already laid the foundations for statistical language modeling by recognising the relevance of n-grams to model properties of language and predicting the likelihood of word sequences.</p><p>C.E. Shannon ""A Mathematical Theory of Communication" (1948) <a href=\"https://web.archive.org/web/19980715013250/http://cm.bell-labs.com/cm/ms/what/shannonday/shannon1948.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">web.archive.org/web/1998071501</span><span class=\"invisible\">3250/http://cm.bell-labs.com/cm/ms/what/shannonday/shannon1948.pdf</span></a></p><p><a href=\"https://sigmoid.social/tags/ise2025\" class=\"mention hashtag\" rel=\"tag\">#<span>ise2025</span></a> <a href=\"https://sigmoid.social/tags/nlp\" class=\"mention hashtag\" rel=\"tag\">#<span>nlp</span></a> <a href=\"https://sigmoid.social/tags/lecture\" class=\"mention hashtag\" rel=\"tag\">#<span>lecture</span></a> <a href=\"https://sigmoid.social/tags/languagemodel\" class=\"mention hashtag\" rel=\"tag\">#<span>languagemodel</span></a> <a href=\"https://sigmoid.social/tags/informationtheory\" class=\"mention hashtag\" rel=\"tag\">#<span>informationtheory</span></a> <a href=\"https://sigmoid.social/tags/historyofscience\" class=\"mention hashtag\" rel=\"tag\">#<span>historyofscience</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@enorouzi\" class=\"u-url mention\">@<span>enorouzi</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@tabea\" class=\"u-url mention\">@<span>tabea</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@sourisnumerique\" class=\"u-url mention\">@<span>sourisnumerique</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://wisskomm.social/@fiz_karlsruhe\" class=\"u-url mention\">@<span>fiz_karlsruhe</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@fizise\" class=\"u-url mention\">@<span>fizise</span></a></span></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://cdn.masto.host/sigmoidsocial/media_attachments/files/114/448/643/285/275/220/original/3a7947c4e3363a82.png",
"name": "Slide from the Information Service ENgineering lecture 02, Natural Language Processing 01. Title: NLP Timeline.\nA black & white portrait picture of Claude Elwood Shannon (1916-2001) is shown on the left side of a timeline marked with \"1948\". Shannon is depicted in front of an old 1950s \"electronic\" computer. The text on the right side of the timeline says: Claude Shannon proposed the idea of using n-grams as a means to analyse the statistical properties of language in \"A Mathematical Theory of Communication\" (1948). While Shannon's primary focus was on communication and information transmission, he recognised the relevance of n-grams in modeling language and predicting the likelihood of word sequences.\n\nBIbliographical reference: \nShannon, Claude Elwood (July 1948). A Mathematical Theory of Communication, Bell System Technical Journal. 27 (3): 379–423.\n",
"blurhash": "UiP%IpM__N_4xtofM{WB%Mj[IUM{xuRjjYof",
"focalPoint": [
0,
0
],
"width": 2634,
"height": 1484
}
],
"tag": [
{
"type": "Mention",
"href": "https://sigmoid.social/users/enorouzi",
"name": "@enorouzi"
},
{
"type": "Mention",
"href": "https://fedihum.org/users/tabea",
"name": "@tabea@fedihum.org"
},
{
"type": "Mention",
"href": "https://fedihum.org/users/sourisnumerique",
"name": "@sourisnumerique@fedihum.org"
},
{
"type": "Mention",
"href": "https://wisskomm.social/users/fiz_karlsruhe",
"name": "@fiz_karlsruhe@wisskomm.social"
},
{
"type": "Mention",
"href": "https://sigmoid.social/users/fizise",
"name": "@fizise"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/ise2025",
"name": "#ise2025"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/nlp",
"name": "#nlp"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/lecture",
"name": "#lecture"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/languagemodel",
"name": "#languagemodel"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/informationtheory",
"name": "#informationtheory"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/historyofscience",
"name": "#historyofscience"
}
],
"replies": {
"id": "https://sigmoid.social/users/lysander07/statuses/114448657145296208/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://sigmoid.social/users/lysander07/statuses/114448657145296208/replies?only_other_accounts=true&page=true",
"partOf": "https://sigmoid.social/users/lysander07/statuses/114448657145296208/replies",
"items": []
}
},
"likes": {
"id": "https://sigmoid.social/users/lysander07/statuses/114448657145296208/likes",
"type": "Collection",
"totalItems": 7
},
"shares": {
"id": "https://sigmoid.social/users/lysander07/statuses/114448657145296208/shares",
"type": "Collection",
"totalItems": 4
}
}