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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.

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": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://mitra/users/admin"
  ],
  "id": "http://pasture-one-actor/activity/e9N9hPUfnlE",
  "published": "2025-09-01T08:10:47Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mitra/users/admin"
    ],
    "id": "http://pasture-one-actor/object/0JmjG4MWPU4",
    "published": "2025-09-01T08:10:47Z",
    "content": "single element"
  }
}
mitra
{
  "id": "01990454-2878-d1d5-81fc-cba3e5d70244",
  "uri": "http://pasture-one-actor/object/0JmjG4MWPU4",
  "url": "http://pasture-one-actor/object/0JmjG4MWPU4",
  "created_at": "2025-09-01T08:10:47.000Z",
  "edited_at": null,
  "account": {
    "id": "01990450-5ca7-f3d8-1d28-81e0b9e59c81",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "actor_id": "http://pasture-one-actor/actor",
    "url": "http://pasture-one-actor/actor",
    "display_name": "Test Actor",
    "created_at": "2025-09-01T08:06:39.527Z",
    "note": "",
    "avatar": "http://mitra/api/v1/accounts/identicon?input=http://pasture-one-actor/actor",
    "header": "http://mitra/api/v1/accounts/identicon",
    "locked": false,
    "mention_policy": "none",
    "bot": false,
    "identity_proofs": [],
    "payment_options": [],
    "fields": [],
    "emojis": [],
    "followers_count": 0,
    "following_count": 0,
    "subscribers_count": 0,
    "statuses_count": 116,
    "source": null,
    "role": null,
    "authentication_methods": null,
    "client_config": null
  },
  "content": "single element",
  "language": null,
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "reblog": null,
  "visibility": "public",
  "sensitive": false,
  "spoiler_text": "",
  "pinned": false,
  "replies_count": 0,
  "favourites_count": 0,
  "reblogs_count": 0,
  "poll": null,
  "media_attachments": [],
  "quote": null,
  "mentions": [
    {
      "id": "0199044f-210f-d32c-985b-a33d9bffac0c",
      "username": "admin",
      "acct": "admin",
      "url": "http://mitra/users/admin"
    }
  ],
  "tags": [],
  "emojis": [],
  "favourited": false,
  "reblogged": false,
  "bookmarked": false,
  "pleroma": {
    "emoji_reactions": [],
    "in_reply_to_account_acct": null,
    "parent_visible": true,
    "quote": null,
    "quote_visible": true
  },
  "hidden": false,
  "ipfs_cid": null,
  "links": []
}

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": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://mitra/users/admin"
  ],
  "id": "http://pasture-one-actor/activity/MukbqHJap3I",
  "published": "2025-09-01T08:10:48Z",
  "object": {
    "type": "Note",
    "attributedTo": [
      "http://pasture-one-actor/actor"
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mitra/users/admin"
    ],
    "id": "http://pasture-one-actor/object/UcajobQTk1Y",
    "published": "2025-09-01T08:10:48Z",
    "content": "single element as list"
  }
}
mitra
{
  "id": "01990454-2e4e-f9cd-17ee-ebdf1b8f0ae7",
  "uri": "http://pasture-one-actor/object/UcajobQTk1Y",
  "url": "http://pasture-one-actor/object/UcajobQTk1Y",
  "created_at": "2025-09-01T08:10:48.000Z",
  "edited_at": null,
  "account": {
    "id": "01990450-5ca7-f3d8-1d28-81e0b9e59c81",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "actor_id": "http://pasture-one-actor/actor",
    "url": "http://pasture-one-actor/actor",
    "display_name": "Test Actor",
    "created_at": "2025-09-01T08:06:39.527Z",
    "note": "",
    "avatar": "http://mitra/api/v1/accounts/identicon?input=http://pasture-one-actor/actor",
    "header": "http://mitra/api/v1/accounts/identicon",
    "locked": false,
    "mention_policy": "none",
    "bot": false,
    "identity_proofs": [],
    "payment_options": [],
    "fields": [],
    "emojis": [],
    "followers_count": 0,
    "following_count": 0,
    "subscribers_count": 0,
    "statuses_count": 117,
    "source": null,
    "role": null,
    "authentication_methods": null,
    "client_config": null
  },
  "content": "single element as list",
  "language": null,
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "reblog": null,
  "visibility": "public",
  "sensitive": false,
  "spoiler_text": "",
  "pinned": false,
  "replies_count": 0,
  "favourites_count": 0,
  "reblogs_count": 0,
  "poll": null,
  "media_attachments": [],
  "quote": null,
  "mentions": [
    {
      "id": "0199044f-210f-d32c-985b-a33d9bffac0c",
      "username": "admin",
      "acct": "admin",
      "url": "http://mitra/users/admin"
    }
  ],
  "tags": [],
  "emojis": [],
  "favourited": false,
  "reblogged": false,
  "bookmarked": false,
  "pleroma": {
    "emoji_reactions": [],
    "in_reply_to_account_acct": null,
    "parent_visible": true,
    "quote": null,
    "quote_visible": true
  },
  "hidden": false,
  "ipfs_cid": null,
  "links": []
}

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": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://mitra/users/admin"
  ],
  "id": "http://pasture-one-actor/activity/T4HK8sR1EHQ",
  "published": "2025-09-01T08:10:50Z",
  "object": {
    "type": "Note",
    "attributedTo": [
      "http://pasture-one-actor/actor",
      "http://pasture-one-actor/second"
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mitra/users/admin"
    ],
    "id": "http://pasture-one-actor/object/qlJnjSB8vnk",
    "published": "2025-09-01T08:10:50Z",
    "content": "two elements as list"
  }
}
mitra
{
  "id": "01990454-342e-f0a2-50c6-3e22e4e96cdd",
  "uri": "http://pasture-one-actor/object/qlJnjSB8vnk",
  "url": "http://pasture-one-actor/object/qlJnjSB8vnk",
  "created_at": "2025-09-01T08:10:50.000Z",
  "edited_at": null,
  "account": {
    "id": "01990450-5ca7-f3d8-1d28-81e0b9e59c81",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "actor_id": "http://pasture-one-actor/actor",
    "url": "http://pasture-one-actor/actor",
    "display_name": "Test Actor",
    "created_at": "2025-09-01T08:06:39.527Z",
    "note": "",
    "avatar": "http://mitra/api/v1/accounts/identicon?input=http://pasture-one-actor/actor",
    "header": "http://mitra/api/v1/accounts/identicon",
    "locked": false,
    "mention_policy": "none",
    "bot": false,
    "identity_proofs": [],
    "payment_options": [],
    "fields": [],
    "emojis": [],
    "followers_count": 0,
    "following_count": 0,
    "subscribers_count": 0,
    "statuses_count": 118,
    "source": null,
    "role": null,
    "authentication_methods": null,
    "client_config": null
  },
  "content": "two elements as list",
  "language": null,
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "reblog": null,
  "visibility": "public",
  "sensitive": false,
  "spoiler_text": "",
  "pinned": false,
  "replies_count": 0,
  "favourites_count": 0,
  "reblogs_count": 0,
  "poll": null,
  "media_attachments": [],
  "quote": null,
  "mentions": [
    {
      "id": "0199044f-210f-d32c-985b-a33d9bffac0c",
      "username": "admin",
      "acct": "admin",
      "url": "http://mitra/users/admin"
    }
  ],
  "tags": [],
  "emojis": [],
  "favourited": false,
  "reblogged": false,
  "bookmarked": false,
  "pleroma": {
    "emoji_reactions": [],
    "in_reply_to_account_acct": null,
    "parent_visible": true,
    "quote": null,
    "quote_visible": true
  },
  "hidden": false,
  "ipfs_cid": null,
  "links": []
}

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": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://mitra/users/admin"
  ],
  "id": "http://pasture-one-actor/activity/FF7HKvF58Qw",
  "published": "2025-09-01T08:10:51Z",
  "object": {
    "type": "Note",
    "attributedTo": {
      "type": "Person",
      "id": "http://pasture-one-actor/actor"
    },
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mitra/users/admin"
    ],
    "id": "http://pasture-one-actor/object/k8xBUpNi4_g",
    "published": "2025-09-01T08:10:51Z",
    "content": "a dictionary"
  }
}
mitra
{
  "id": "01990454-3a09-ed17-87bd-2bbfebbfbf17",
  "uri": "http://pasture-one-actor/object/k8xBUpNi4_g",
  "url": "http://pasture-one-actor/object/k8xBUpNi4_g",
  "created_at": "2025-09-01T08:10:51.000Z",
  "edited_at": null,
  "account": {
    "id": "01990450-5ca7-f3d8-1d28-81e0b9e59c81",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "actor_id": "http://pasture-one-actor/actor",
    "url": "http://pasture-one-actor/actor",
    "display_name": "Test Actor",
    "created_at": "2025-09-01T08:06:39.527Z",
    "note": "",
    "avatar": "http://mitra/api/v1/accounts/identicon?input=http://pasture-one-actor/actor",
    "header": "http://mitra/api/v1/accounts/identicon",
    "locked": false,
    "mention_policy": "none",
    "bot": false,
    "identity_proofs": [],
    "payment_options": [],
    "fields": [],
    "emojis": [],
    "followers_count": 0,
    "following_count": 0,
    "subscribers_count": 0,
    "statuses_count": 119,
    "source": null,
    "role": null,
    "authentication_methods": null,
    "client_config": null
  },
  "content": "a dictionary",
  "language": null,
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "reblog": null,
  "visibility": "public",
  "sensitive": false,
  "spoiler_text": "",
  "pinned": false,
  "replies_count": 0,
  "favourites_count": 0,
  "reblogs_count": 0,
  "poll": null,
  "media_attachments": [],
  "quote": null,
  "mentions": [
    {
      "id": "0199044f-210f-d32c-985b-a33d9bffac0c",
      "username": "admin",
      "acct": "admin",
      "url": "http://mitra/users/admin"
    }
  ],
  "tags": [],
  "emojis": [],
  "favourited": false,
  "reblogged": false,
  "bookmarked": false,
  "pleroma": {
    "emoji_reactions": [],
    "in_reply_to_account_acct": null,
    "parent_visible": true,
    "quote": null,
    "quote_visible": true
  },
  "hidden": false,
  "ipfs_cid": null,
  "links": []
}

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": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://mitra/users/admin"
  ],
  "id": "http://pasture-one-actor/activity/118BeCHJViI",
  "published": "2025-09-01T08:10:53Z",
  "object": {
    "type": "Note",
    "attributedTo": [
      {
        "type": "Person",
        "id": "http://pasture-one-actor/actor"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mitra/users/admin"
    ],
    "id": "http://pasture-one-actor/object/AjjSUXL4gxk",
    "published": "2025-09-01T08:10:53Z",
    "content": "a dictionary"
  }
}
mitra
{
  "id": "01990454-3feb-e2cf-ea6e-c70d873de62f",
  "uri": "http://pasture-one-actor/object/AjjSUXL4gxk",
  "url": "http://pasture-one-actor/object/AjjSUXL4gxk",
  "created_at": "2025-09-01T08:10:53.000Z",
  "edited_at": null,
  "account": {
    "id": "01990450-5ca7-f3d8-1d28-81e0b9e59c81",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "actor_id": "http://pasture-one-actor/actor",
    "url": "http://pasture-one-actor/actor",
    "display_name": "Test Actor",
    "created_at": "2025-09-01T08:06:39.527Z",
    "note": "",
    "avatar": "http://mitra/api/v1/accounts/identicon?input=http://pasture-one-actor/actor",
    "header": "http://mitra/api/v1/accounts/identicon",
    "locked": false,
    "mention_policy": "none",
    "bot": false,
    "identity_proofs": [],
    "payment_options": [],
    "fields": [],
    "emojis": [],
    "followers_count": 0,
    "following_count": 0,
    "subscribers_count": 0,
    "statuses_count": 120,
    "source": null,
    "role": null,
    "authentication_methods": null,
    "client_config": null
  },
  "content": "a dictionary",
  "language": null,
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "reblog": null,
  "visibility": "public",
  "sensitive": false,
  "spoiler_text": "",
  "pinned": false,
  "replies_count": 0,
  "favourites_count": 0,
  "reblogs_count": 0,
  "poll": null,
  "media_attachments": [],
  "quote": null,
  "mentions": [
    {
      "id": "0199044f-210f-d32c-985b-a33d9bffac0c",
      "username": "admin",
      "acct": "admin",
      "url": "http://mitra/users/admin"
    }
  ],
  "tags": [],
  "emojis": [],
  "favourited": false,
  "reblogged": false,
  "bookmarked": false,
  "pleroma": {
    "emoji_reactions": [],
    "in_reply_to_account_acct": null,
    "parent_visible": true,
    "quote": null,
    "quote_visible": true
  },
  "hidden": false,
  "ipfs_cid": null,
  "links": []
}