Object types

Varying the object type and investigation what happens to the properties. Relevant properties are

{
    "@context": "https://www.w3.org/ns/activitystreams",
    "type": "${type}",
    "name": "name",
    "summary": "summary",
    "content": "content"
}

where type is the property being varied between different entries in the table. Object types are defined in https://www.w3.org/TR/activitystreams-vocabulary/#object-types.

Examples

Example 1

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/JeexWuQsYKU",
  "published": "2025-11-21T13:16:51Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/iyAziv0Y9rE",
    "published": "2025-11-21T13:16:51Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

hollo

{
  "id": "019aa68f-75b8-72e9-b433-9b134e55965c",
  "created_at": "2025-11-21T13:16:51.000Z",
  "in_reply_to_id": null,
  "sensitive": false,
  "spoiler_text": "summary",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/iyAziv0Y9rE",
  "url": "http://pasture-one-actor/object/iyAziv0Y9rE",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "content",
  "reblog": null,
  "quote_id": null,
  "quote": null,
  "application": null,
  "account": {
    "id": "019aa68b-686a-74fd-b66d-cf29db1455ff",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "created_at": "2025-11-21T13:12:25.394Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://hollo/image/avatars/original/missing.png",
    "avatar_static": "http://hollo/image/avatars/original/missing.png",
    "header": "http://hollo/image/headers/original/missing.png",
    "header_static": "http://hollo/image/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 0,
    "moved": null,
    "last_status_at": null,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [],
  "tags": [],
  "card": null,
  "emojis": [],
  "emoji_reactions": [],
  "poll": null,
  "filtered": null
}

Example 2

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/7utfNZ0eOnA",
  "published": "2025-11-21T13:16:51Z",
  "object": {
    "type": "Audio",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/HZaC4b3j5hw",
    "published": "2025-11-21T13:16:51Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 3

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/ii6LKjUhIR0",
  "published": "2025-11-21T13:17:03Z",
  "object": {
    "type": "Document",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/Q9xWjnJBDD0",
    "published": "2025-11-21T13:17:03Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 4

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/d-5kPtqixSE",
  "published": "2025-11-21T13:17:15Z",
  "object": {
    "type": "Event",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/Rj8MQMjPSFg",
    "published": "2025-11-21T13:17:15Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 5

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/d2MP1DoV4vM",
  "published": "2025-11-21T13:17:27Z",
  "object": {
    "type": "Image",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/c7BO47h8VKE",
    "published": "2025-11-21T13:17:27Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 6

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/_CSO-hI4xoU",
  "published": "2025-11-21T13:17:40Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/9iVNanKpP-E",
    "published": "2025-11-21T13:17:40Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

hollo

{
  "id": "019aa690-3520-7bbf-b351-c258b7899707",
  "created_at": "2025-11-21T13:17:40.000Z",
  "in_reply_to_id": null,
  "sensitive": false,
  "spoiler_text": "summary",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/9iVNanKpP-E",
  "url": "http://pasture-one-actor/object/9iVNanKpP-E",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "content",
  "reblog": null,
  "quote_id": null,
  "quote": null,
  "application": null,
  "account": {
    "id": "019aa68b-686a-74fd-b66d-cf29db1455ff",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "created_at": "2025-11-21T13:12:25.394Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://hollo/image/avatars/original/missing.png",
    "avatar_static": "http://hollo/image/avatars/original/missing.png",
    "header": "http://hollo/image/headers/original/missing.png",
    "header_static": "http://hollo/image/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 0,
    "moved": null,
    "last_status_at": null,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [],
  "tags": [],
  "card": null,
  "emojis": [],
  "emoji_reactions": [],
  "poll": null,
  "filtered": null
}

Example 7

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/lbsmE14UesY",
  "published": "2025-11-21T13:17:40Z",
  "object": {
    "type": "Page",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/RAjddYl6AxQ",
    "published": "2025-11-21T13:17:40Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 8

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/vts1Kaeu2UE",
  "published": "2025-11-21T13:17:52Z",
  "object": {
    "type": "Place",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/QfWtqZmjEMk",
    "published": "2025-11-21T13:17:52Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 9

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/JfE3CBvPtlw",
  "published": "2025-11-21T13:18:04Z",
  "object": {
    "type": "Profile",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/o2O7JLyn6Ac",
    "published": "2025-11-21T13:18:04Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 10

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/Xt_4DEJ8ugg",
  "published": "2025-11-21T13:18:16Z",
  "object": {
    "type": "Relationship",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/x6L91J84iTo",
    "published": "2025-11-21T13:18:16Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 11

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/ejWSaF7P3zU",
  "published": "2025-11-21T13:18:28Z",
  "object": {
    "type": "Tombstone",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/UJFGt1sLJQ4",
    "published": "2025-11-21T13:18:28Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 12

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/Cf0m6JimLCg",
  "published": "2025-11-21T13:18:40Z",
  "object": {
    "type": "Video",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/GyOQzBgc77Q",
    "published": "2025-11-21T13:18:40Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result

Example 13

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/Yi8PMQCjdkM",
  "published": "2025-11-21T13:18:52Z",
  "object": {
    "type": [
      "Note"
    ],
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/6YQ5PB7yBOs",
    "published": "2025-11-21T13:18:52Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

hollo

{
  "id": "019aa691-4e60-75fa-a7ee-061a0e3ba76a",
  "created_at": "2025-11-21T13:18:52.000Z",
  "in_reply_to_id": null,
  "sensitive": false,
  "spoiler_text": "summary",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/6YQ5PB7yBOs",
  "url": "http://pasture-one-actor/object/6YQ5PB7yBOs",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "content",
  "reblog": null,
  "quote_id": null,
  "quote": null,
  "application": null,
  "account": {
    "id": "019aa68b-686a-74fd-b66d-cf29db1455ff",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "created_at": "2025-11-21T13:12:25.394Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://hollo/image/avatars/original/missing.png",
    "avatar_static": "http://hollo/image/avatars/original/missing.png",
    "header": "http://hollo/image/headers/original/missing.png",
    "header_static": "http://hollo/image/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 0,
    "moved": null,
    "last_status_at": null,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [],
  "tags": [],
  "card": null,
  "emojis": [],
  "emoji_reactions": [],
  "poll": null,
  "filtered": null
}

Example 14

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/WwdD7lrtex0",
  "published": "2025-11-21T13:18:53Z",
  "object": {
    "type": [
      "Note",
      "Article"
    ],
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/Vx335p3nI98",
    "published": "2025-11-21T13:18:53Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

hollo

{
  "id": "019aa691-5248-707b-81e5-fed671915589",
  "created_at": "2025-11-21T13:18:53.000Z",
  "in_reply_to_id": null,
  "sensitive": false,
  "spoiler_text": "summary",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/Vx335p3nI98",
  "url": "http://pasture-one-actor/object/Vx335p3nI98",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "content",
  "reblog": null,
  "quote_id": null,
  "quote": null,
  "application": null,
  "account": {
    "id": "019aa68b-686a-74fd-b66d-cf29db1455ff",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "created_at": "2025-11-21T13:12:25.394Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://hollo/image/avatars/original/missing.png",
    "avatar_static": "http://hollo/image/avatars/original/missing.png",
    "header": "http://hollo/image/headers/original/missing.png",
    "header_static": "http://hollo/image/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 0,
    "moved": null,
    "last_status_at": null,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [],
  "tags": [],
  "card": null,
  "emojis": [],
  "emoji_reactions": [],
  "poll": null,
  "filtered": null
}

Example 15

activity

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://hollo/@john",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/9Dw7jjCSTiQ",
  "published": "2025-11-21T13:18:54Z",
  "object": {
    "type": null,
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://hollo/@john"
    ],
    "id": "http://pasture-one-actor/object/_M2JidXOTbg",
    "published": "2025-11-21T13:18:54Z",
    "name": "name",
    "summary": "summary",
    "content": "content",
    "tag": [
      {
        "type": "Mention",
        "href": "http://hollo/@john"
      }
    ]
  }
}

no result