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.

Support Table Preview

type	Object	Activity
“Article”	Object	Activity
“Audio”	Object	Activity
“Document”	Object	Activity
“Event”	Object	Activity
“Image”	Object	Activity
“Note”	Object	Activity
“Page”	Object	Activity
“Place”	Object	Activity
“Profile”	Object	Activity
“Relationship”	Object	Activity
“Tombstone”	Object	Activity
“Video”	Object	Activity
[“Note”, “Article”]	Object	Activity
null	Object	Activity

Objects

Object 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/WZZ1K7HTnAA",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Article"
}

Object 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/0KzZqNgUQqg",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Audio"
}

Object 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/q6dW7bkU6N0",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Document"
}

Object 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/Es0x4tiDxRE",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Event"
}

Object 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/FCvy5PHfCE8",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Image"
}

Object 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/gduyr0bGKkM",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/ItvHKEVMbI0",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Page"
}

Object 8

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/2FY7VV9D9tw",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Place"
}

Object 9

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/ruOfH4YCjwY",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Profile"
}

Object 10

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/G82FlGNlfzA",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Relationship"
}

Object 11

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/aBbeUc3o9KI",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Tombstone"
}

Object 12

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/L5GjGGZ_He8",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Video"
}

Object 13

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/7mwiWf5Gho8",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": [
    "Note",
    "Article"
  ]
}

Object 14

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "content",
  "id": "http://actor.example/object/NkQRYMP8LDw",
  "name": "name",
  "published": "2025-10-12T08:53:00Z",
  "summary": "summary",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": null
}

Activities

Activity 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/8tdPGZtzamw",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/Rh5saq2u_qA",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Article"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/BMHMEiG5aOo",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/sSewCCdB4FY",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Audio"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/T7Ix9W9_dtU",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/oh3NtntVV8M",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Document"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/aDriZgU6c8g",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/9fM2j3pQAqw",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Event"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/QeIND2hchZE",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/j4Pk_Udl-rA",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Image"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/lGLMQwCqAy8",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/yRIg6HjKKdU",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/Mu6FsUmLQu4",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/s2u01bq2DHw",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Page"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 8

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/NhgSGORRgRk",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/3juH0TI-dIo",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Place"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 9

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/yxRuGchj9yM",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/iRALotm0DZg",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Profile"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 10

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/srSZu3kRUuA",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/5__70ZK0zRo",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Relationship"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 11

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/AOLZzRhVX0U",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/850kelmdKyA",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Tombstone"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 12

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/GuYPcW3Fq1M",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/URpCDgXF6Vs",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Video"
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 13

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/chXg8RW2evw",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/i_cyuWjZkXE",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": [
      "Note",
      "Article"
    ]
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 14

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/WQ8BJX0xkW4",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/qEU58cO-jIs",
    "name": "name",
    "published": "2025-10-12T08:53:00Z",
    "summary": "summary",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": null
  },
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}