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.

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/CT4shG10s3g",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/FnhS-CpPXMM",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/eO7TIR4T1Eo",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/24ZTgdO8oqQ",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/yrgbrW9YmC8",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/4sILVnhHsmw",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/iKVQRpaSl6I",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/whOT9zBgvO4",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/vmjE_g6DvoQ",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/bASO3moVIDc",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/yd5JzqhDNdU",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/QiJkLksumrQ",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/AS2ovdeWOcw",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/zHCMyY9ofUs",
  "name": "name",
  "published": "2025-08-15T08:43:29Z",
  "summary": "summary",
  "to": [
    "as: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/CShx6zCsXzc",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/ZStc8v3R1tc",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Article"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/tUKs2Vr1IfE",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/T-OMXZsMEwo",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Audio"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/4jiFrtt_gQg",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/mRAoFSdeQBU",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Document"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/rTIG5v2Sq6s",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/e8NZ2-VWLUI",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Event"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/RewjMKzdvLM",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/vG7b1Sm-cSA",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Image"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/lxoskRasgiA",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/FsXfYjKu1ek",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/eEIsem9vYf4",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/GhsQnotFA54",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Page"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/GsE1O-_Ou1g",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/_nc19E6pWnw",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Place"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/6i-05PIZ4Kw",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/bQhVCVwsd0E",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Profile"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/zab3cc_FuGs",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/LpzWjxbdCrc",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Relationship"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/C6zVzp73QrE",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/5vasDE9CAX0",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Tombstone"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/xtkju5YfUMQ",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/RDu-HH4iFHc",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": "Video"
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/gYSzk97DHbQ",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/-PIS_uULbQA",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": [
      "Note",
      "Article"
    ]
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "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/tmBmO-P1ZBE",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "content",
    "id": "http://actor.example/object/qzpZfoM0plg",
    "name": "name",
    "published": "2025-08-15T08:43:29Z",
    "summary": "summary",
    "to": [
      "as:Public",
      "http://remote.example/"
    ],
    "type": null
  },
  "published": "2025-08-15T08:43:29Z",
  "to": [
    "as:Public",
    "http://remote.example/"
  ],
  "type": "Create"
}