Attribution Format

attributedTo is defined here in the ActivityStreams Vocabulary. It allows us to tell, who authored / owns the object.

This test explores what is allowed in the field.

Support Table Preview

attributedTo	Object	Activity
“http://pasture-one-actor/actor”	Object	Activity
[ “http://pasture-one-actor/actor” ]	Object	Activity
[ “http://pasture-one-actor/actor”, “http://pasture-one-actor/second” ]	Object	Activity
{ “type”: “Person”, “id”: “http://pasture-one-actor/actor” }	Object	Activity
[ { “type”: “Person”, “id”: “http://pasture-one-actor/actor” } ]	Object	Activity

Objects

Object 1

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

Object 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": [
    "http://pasture-one-actor/actor"
  ],
  "content": "single element as list",
  "id": "http://actor.example/object/1fEu_z2Fs58",
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": [
    "http://pasture-one-actor/actor",
    "http://pasture-one-actor/second"
  ],
  "content": "two elements as list",
  "id": "http://actor.example/object/I7A2R8qBsPI",
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": {
    "id": "http://pasture-one-actor/actor",
    "type": "Person"
  },
  "content": "a dictionary",
  "id": "http://actor.example/object/jAdyOs3rnmo",
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": [
    {
      "id": "http://pasture-one-actor/actor",
      "type": "Person"
    }
  ],
  "content": "a dictionary",
  "id": "http://actor.example/object/URDA8LYbrdw",
  "published": "2025-10-12T08:53:00Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

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/YVnO5EQyICc",
  "object": {
    "attributedTo": "http://pasture-one-actor/actor",
    "content": "single element",
    "id": "http://actor.example/object/odlnruA1aBo",
    "published": "2025-10-12T08:53:00Z",
    "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 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/94TgCyPHrnQ",
  "object": {
    "attributedTo": [
      "http://pasture-one-actor/actor"
    ],
    "content": "single element as list",
    "id": "http://actor.example/object/VeJhrn-ZD2o",
    "published": "2025-10-12T08:53:00Z",
    "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 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/j5G9m_Mmogw",
  "object": {
    "attributedTo": [
      "http://pasture-one-actor/actor",
      "http://pasture-one-actor/second"
    ],
    "content": "two elements as list",
    "id": "http://actor.example/object/X6g0F6lMtOQ",
    "published": "2025-10-12T08:53:00Z",
    "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 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/HQOuYpOfy9A",
  "object": {
    "attributedTo": {
      "id": "http://pasture-one-actor/actor",
      "type": "Person"
    },
    "content": "a dictionary",
    "id": "http://actor.example/object/1TdnWzdsSqM",
    "published": "2025-10-12T08:53:00Z",
    "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 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/BTih6P4i2so",
  "object": {
    "attributedTo": [
      {
        "id": "http://pasture-one-actor/actor",
        "type": "Person"
      }
    ],
    "content": "a dictionary",
    "id": "http://actor.example/object/XE0Ul9Tsp5M",
    "published": "2025-10-12T08:53:00Z",
    "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"
}