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Image Description

The Image type is defined in ActivityStreams Vocabulary.

In this support table, we only consider how the image description, commonly called AltText is handled. Image descriptions are important from an accessibility standpoint, see WCAG 2.2. Text Alternatives.

It seems that certain implementations, e.g. firefish, store the image description on a per image URL basis and not for every instance of an image reference.

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://akkoma/users/witch",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/Q-ZI03xsX8w",
  "published": "2024-10-30T15:30:18Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://akkoma/users/witch"
    ],
    "id": "http://pasture-one-actor/actor/qj-gJGToTFI",
    "published": "2024-10-30T15:30:18Z",
    "content": "no description",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/100.png"
    }
  }
}
akkoma
{
  "muted": false,
  "quote_id": null,
  "mentions": [
    {
      "acct": "witch",
      "id": "AnXISyB7eVvV9xUBKS",
      "url": "http://akkoma/users/witch",
      "username": "witch"
    }
  ],
  "pleroma": {
    "content": {
      "text/plain": "no description"
    },
    "context": "http://pasture-one-actor/actor/qj-gJGToTFI",
    "conversation_id": 1223173714,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": null,
    "local": false,
    "parent_visible": false,
    "pinned_at": null,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "emojis": [],
  "uri": "http://pasture-one-actor/actor/qj-gJGToTFI",
  "reblog": null,
  "visibility": "public",
  "quote": null,
  "reblogged": false,
  "id": "AnXIeyW4LTKpZB9KC0",
  "replies_count": 0,
  "in_reply_to_account_id": null,
  "emoji_reactions": [],
  "url": "http://pasture-one-actor/actor/qj-gJGToTFI",
  "media_attachments": [
    {
      "blurhash": null,
      "description": null,
      "id": "983810756",
      "pleroma": {
        "mime_type": "application/octet-stream"
      },
      "preview_url": "http://pasture-one-actor/images/100.png",
      "remote_url": "http://pasture-one-actor/images/100.png",
      "text_url": "http://pasture-one-actor/images/100.png",
      "type": "unknown",
      "url": "http://pasture-one-actor/images/100.png"
    }
  ],
  "poll": null,
  "akkoma": {
    "source": null
  },
  "text": null,
  "card": null,
  "reblogs_count": 0,
  "pinned": false,
  "content": "no description",
  "in_reply_to_id": null,
  "created_at": "2024-10-30T15:30:18.000Z",
  "bookmarked": false,
  "language": null,
  "application": null,
  "sensitive": false,
  "favourited": false,
  "tags": [],
  "edited_at": null,
  "spoiler_text": "",
  "favourites_count": 0,
  "account": {
    "acct": "actor@pasture-one-actor",
    "akkoma": {
      "instance": {
        "favicon": null,
        "name": "pasture-one-actor",
        "nodeinfo": {}
      },
      "permit_followback": false,
      "status_ttl_days": null
    },
    "avatar": "http://akkoma/images/avi.png",
    "avatar_static": "http://akkoma/images/avi.png",
    "bot": false,
    "created_at": "2024-10-30T15:29:35.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://akkoma/images/banner.png",
    "header_static": "http://akkoma/images/banner.png",
    "id": "AnXIb3A18UJEoPxmaG",
    "last_status_at": "2024-10-30",
    "locked": false,
    "note": "",
    "pleroma": {
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "background_image": null,
      "favicon": null,
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 29,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  }
}
gotosocial
{
  "id": "01JBEZYBA8AX5MS76FXXT0PSP0",
  "created_at": "2024-10-30T15:15:41.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/fVC00NAXYzg",
  "url": "http://pasture-one-actor/actor/fVC00NAXYzg",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "no description",
  "reblog": null,
  "account": {
    "id": "01JBEZVRRYW1N66XSEBDY2JJ1Y",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2024-10-30T15:14:16.490Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 30,
    "last_status_at": "2024-10-30T15:15:41.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "01JBEZYBVQTKHK3A2JY3NG668F",
      "type": "image",
      "url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYBVQTKHK3A2JY3NG668F.png",
      "text_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYBVQTKHK3A2JY3NG668F.png",
      "preview_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/small/01JBEZYBVQTKHK3A2JY3NG668F.jpg",
      "remote_url": "http://pasture-one-actor/images/100.png",
      "preview_remote_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1
        },
        "focus": {
          "x": 0,
          "y": 0
        }
      },
      "description": null,
      "blurhash": "L8Px$u^BfQ^B^Bj]fQj]fQfQfQfQ"
    }
  ],
  "mentions": [
    {
      "id": "01VX34CC6NW4GW1G1W6MP6YSN1",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}
misskey
{
  "id": "9zzlcbw0dydq000y",
  "createdAt": "2024-10-30T15:23:42.000Z",
  "userId": "9zzlaq38dydq0002",
  "user": {
    "id": "9zzlaq38dydq0002",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "no description",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "9zzlccs2dydq000x"
  ],
  "files": [
    {
      "id": "9zzlccs2dydq000x",
      "createdAt": "2024-10-30T15:23:43.154Z",
      "name": "100.png",
      "type": "image/png",
      "md5": "608198997b812881aefff53bc378801b",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e3RO*Z}0fQ}0fQ}0jufQjufQfQfQfQfQfQ}0jufQjufQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/100.png",
      "thumbnailUrl": "http://pasture-one-actor/images/100.png",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "9zzlaq38dydq0002",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/E2MJFo7aLV4",
  "clippedCount": 0
}

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://akkoma/users/witch",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/sJZdXb-aFW4",
  "published": "2024-10-30T15:30:18Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://akkoma/users/witch"
    ],
    "id": "http://pasture-one-actor/actor/YX1KM25pSqk",
    "published": "2024-10-30T15:30:18Z",
    "content": "text",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/100.png",
      "name": "name",
      "summary": "summary",
      "content": "content"
    }
  }
}
akkoma
{
  "muted": false,
  "quote_id": null,
  "mentions": [
    {
      "acct": "witch",
      "id": "AnXISyB7eVvV9xUBKS",
      "url": "http://akkoma/users/witch",
      "username": "witch"
    }
  ],
  "pleroma": {
    "content": {
      "text/plain": "text"
    },
    "context": "http://pasture-one-actor/actor/YX1KM25pSqk",
    "conversation_id": 248811556,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": null,
    "local": false,
    "parent_visible": false,
    "pinned_at": null,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "emojis": [],
  "uri": "http://pasture-one-actor/actor/YX1KM25pSqk",
  "reblog": null,
  "visibility": "public",
  "quote": null,
  "reblogged": false,
  "id": "AnXIf2UnY8h9uOaMlc",
  "replies_count": 0,
  "in_reply_to_account_id": null,
  "emoji_reactions": [],
  "url": "http://pasture-one-actor/actor/YX1KM25pSqk",
  "media_attachments": [
    {
      "blurhash": null,
      "description": "name",
      "id": "983810756",
      "pleroma": {
        "mime_type": "application/octet-stream"
      },
      "preview_url": "http://pasture-one-actor/images/100.png",
      "remote_url": "http://pasture-one-actor/images/100.png",
      "text_url": "http://pasture-one-actor/images/100.png",
      "type": "unknown",
      "url": "http://pasture-one-actor/images/100.png"
    }
  ],
  "poll": null,
  "akkoma": {
    "source": null
  },
  "text": null,
  "card": null,
  "reblogs_count": 0,
  "pinned": false,
  "content": "text",
  "in_reply_to_id": null,
  "created_at": "2024-10-30T15:30:18.000Z",
  "bookmarked": false,
  "language": null,
  "application": null,
  "sensitive": false,
  "favourited": false,
  "tags": [],
  "edited_at": null,
  "spoiler_text": "",
  "favourites_count": 0,
  "account": {
    "acct": "actor@pasture-one-actor",
    "akkoma": {
      "instance": {
        "favicon": null,
        "name": "pasture-one-actor",
        "nodeinfo": {}
      },
      "permit_followback": false,
      "status_ttl_days": null
    },
    "avatar": "http://akkoma/images/avi.png",
    "avatar_static": "http://akkoma/images/avi.png",
    "bot": false,
    "created_at": "2024-10-30T15:29:35.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://akkoma/images/banner.png",
    "header_static": "http://akkoma/images/banner.png",
    "id": "AnXIb3A18UJEoPxmaG",
    "last_status_at": "2024-10-30",
    "locked": false,
    "note": "",
    "pleroma": {
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "background_image": null,
      "favicon": null,
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 30,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  }
}
gotosocial
{
  "id": "01JBEZYC9GDPJFZKV41M4MQVEA",
  "created_at": "2024-10-30T15:15:42.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/YviPV_CVOaU",
  "url": "http://pasture-one-actor/actor/YviPV_CVOaU",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text",
  "reblog": null,
  "account": {
    "id": "01JBEZVRRYW1N66XSEBDY2JJ1Y",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2024-10-30T15:14:16.490Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 31,
    "last_status_at": "2024-10-30T15:15:42.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "01JBEZYCGHRN0DDP155DHR2073",
      "type": "image",
      "url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYCGHRN0DDP155DHR2073.png",
      "text_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYCGHRN0DDP155DHR2073.png",
      "preview_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/small/01JBEZYCGHRN0DDP155DHR2073.jpg",
      "remote_url": "http://pasture-one-actor/images/100.png",
      "preview_remote_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1
        },
        "focus": {
          "x": 0,
          "y": 0
        }
      },
      "description": "summary",
      "blurhash": "L4F8NU.dfQ.d.dkAfQkAfQfQfQfQ"
    }
  ],
  "mentions": [
    {
      "id": "01VX34CC6NW4GW1G1W6MP6YSN1",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}
misskey
{
  "id": "9zzlccnsdydq0010",
  "createdAt": "2024-10-30T15:23:43.000Z",
  "userId": "9zzlaq38dydq0002",
  "user": {
    "id": "9zzlaq38dydq0002",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "text",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "9zzlcdbadydq000z"
  ],
  "files": [
    {
      "id": "9zzlcdbadydq000z",
      "createdAt": "2024-10-30T15:23:43.846Z",
      "name": "100.png",
      "type": "image/png",
      "md5": "55a65f728d00f97ae6d7884dbb6eab3c",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e1IJM8|yfQ|yfQ|yjtfQjtfQfQfQfQfQfQ|yjtfQjtfQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/100.png",
      "thumbnailUrl": "http://pasture-one-actor/images/100.png",
      "comment": "name",
      "folderId": null,
      "folder": null,
      "userId": "9zzlaq38dydq0002",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/MIIX92gRQUA",
  "clippedCount": 0
}

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://akkoma/users/witch",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/up15vnB4YTM",
  "published": "2024-10-30T15:30:19Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://akkoma/users/witch"
    ],
    "id": "http://pasture-one-actor/actor/wQ2Irsc2OUA",
    "published": "2024-10-30T15:30:19Z",
    "content": "text",
    "attachment": [
      {
        "type": "Document",
        "url": "http://pasture-one-actor/assets/FediverseLogo.png",
        "name": "name",
        "imageType": "image/jpeg"
      }
    ]
  }
}
akkoma
{
  "muted": false,
  "quote_id": null,
  "mentions": [
    {
      "acct": "witch",
      "id": "AnXISyB7eVvV9xUBKS",
      "url": "http://akkoma/users/witch",
      "username": "witch"
    }
  ],
  "pleroma": {
    "content": {
      "text/plain": "text"
    },
    "context": "http://pasture-one-actor/actor/wQ2Irsc2OUA",
    "conversation_id": 2123231308,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": null,
    "local": false,
    "parent_visible": false,
    "pinned_at": null,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "emojis": [],
  "uri": "http://pasture-one-actor/actor/wQ2Irsc2OUA",
  "reblog": null,
  "visibility": "public",
  "quote": null,
  "reblogged": false,
  "id": "AnXIf6TsjUL4GiBgtU",
  "replies_count": 0,
  "in_reply_to_account_id": null,
  "emoji_reactions": [],
  "url": "http://pasture-one-actor/actor/wQ2Irsc2OUA",
  "media_attachments": [
    {
      "blurhash": null,
      "description": "name",
      "id": "-751667840",
      "pleroma": {
        "mime_type": "application/octet-stream"
      },
      "preview_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "remote_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "text_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "type": "unknown",
      "url": "http://pasture-one-actor/assets/FediverseLogo.png"
    }
  ],
  "poll": null,
  "akkoma": {
    "source": null
  },
  "text": null,
  "card": null,
  "reblogs_count": 0,
  "pinned": false,
  "content": "text",
  "in_reply_to_id": null,
  "created_at": "2024-10-30T15:30:19.000Z",
  "bookmarked": false,
  "language": null,
  "application": null,
  "sensitive": false,
  "favourited": false,
  "tags": [],
  "edited_at": null,
  "spoiler_text": "",
  "favourites_count": 0,
  "account": {
    "acct": "actor@pasture-one-actor",
    "akkoma": {
      "instance": {
        "favicon": null,
        "name": "pasture-one-actor",
        "nodeinfo": {}
      },
      "permit_followback": false,
      "status_ttl_days": null
    },
    "avatar": "http://akkoma/images/avi.png",
    "avatar_static": "http://akkoma/images/avi.png",
    "bot": false,
    "created_at": "2024-10-30T15:29:35.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://akkoma/images/banner.png",
    "header_static": "http://akkoma/images/banner.png",
    "id": "AnXIb3A18UJEoPxmaG",
    "last_status_at": "2024-10-30",
    "locked": false,
    "note": "",
    "pleroma": {
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "background_image": null,
      "favicon": null,
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 31,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  }
}
gotosocial
{
  "id": "01JBEZYC9G9FM8VQ171JSJSJGS",
  "created_at": "2024-10-30T15:15:42.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/IhywWqi9vek",
  "url": "http://pasture-one-actor/actor/IhywWqi9vek",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text",
  "reblog": null,
  "account": {
    "id": "01JBEZVRRYW1N66XSEBDY2JJ1Y",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2024-10-30T15:14:16.490Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 32,
    "last_status_at": "2024-10-30T15:15:42.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "01JBEZYD4SV7V6M9NNZNE4GXNF",
      "type": "image",
      "url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYD4SV7V6M9NNZNE4GXNF.png",
      "text_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYD4SV7V6M9NNZNE4GXNF.png",
      "preview_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/small/01JBEZYD4SV7V6M9NNZNE4GXNF.jpg",
      "remote_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "preview_remote_url": null,
      "meta": {
        "original": {
          "width": 1548,
          "height": 1548,
          "size": "1548x1548",
          "aspect": 1
        },
        "small": {
          "width": 512,
          "height": 512,
          "size": "512x512",
          "aspect": 1
        },
        "focus": {
          "x": 0,
          "y": 0
        }
      },
      "description": "name",
      "blurhash": "LIB{x~.}9Fcn}gnOEUxBDlK[N1wi"
    }
  ],
  "mentions": [
    {
      "id": "01VX34CC6NW4GW1G1W6MP6YSN1",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}
misskey
{
  "id": "9zzlcdfkdydq0012",
  "createdAt": "2024-10-30T15:23:44.000Z",
  "userId": "9zzlaq38dydq0002",
  "user": {
    "id": "9zzlaq38dydq0002",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "text",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "9zzlcdycdydq0011"
  ],
  "files": [
    {
      "id": "9zzlcdycdydq0011",
      "createdAt": "2024-10-30T15:23:44.676Z",
      "name": "FediverseLogo.png",
      "type": "image/png",
      "md5": "85e7feae66363e9e200570a28b0cf20a",
      "size": 0,
      "isSensitive": false,
      "blurhash": "eQE_?c.}4.YJM^}fi{EVw[xu9JK[M~xI-T9+TJRPX2$$E]NFo}j1tO",
      "properties": {
        "width": 1548,
        "height": 1548
      },
      "url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "thumbnailUrl": "http://pasture-one-actor/assets/FediverseLogo.png",
      "comment": "name",
      "folderId": null,
      "folder": null,
      "userId": "9zzlaq38dydq0002",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/rlKGLgzoyBM",
  "clippedCount": 0
}

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://akkoma/users/witch",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/NF4OSazo1lo",
  "published": "2024-10-30T15:30:20Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://akkoma/users/witch"
    ],
    "id": "http://pasture-one-actor/actor/Pq3m55sB7Jw",
    "published": "2024-10-30T15:30:20Z",
    "content": "no comment in attachment",
    "attachment": [
      {
        "type": "Document",
        "url": "http://pasture-one-actor/assets/FediverseLogo.png"
      }
    ]
  }
}
akkoma
{
  "muted": false,
  "quote_id": null,
  "mentions": [
    {
      "acct": "witch",
      "id": "AnXISyB7eVvV9xUBKS",
      "url": "http://akkoma/users/witch",
      "username": "witch"
    }
  ],
  "pleroma": {
    "content": {
      "text/plain": "no comment in attachment"
    },
    "context": "http://pasture-one-actor/actor/Pq3m55sB7Jw",
    "conversation_id": 2134910544,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": null,
    "local": false,
    "parent_visible": false,
    "pinned_at": null,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "emojis": [],
  "uri": "http://pasture-one-actor/actor/Pq3m55sB7Jw",
  "reblog": null,
  "visibility": "public",
  "quote": null,
  "reblogged": false,
  "id": "AnXIfAXZdhfWrJwhCi",
  "replies_count": 0,
  "in_reply_to_account_id": null,
  "emoji_reactions": [],
  "url": "http://pasture-one-actor/actor/Pq3m55sB7Jw",
  "media_attachments": [
    {
      "blurhash": null,
      "description": null,
      "id": "-751667840",
      "pleroma": {
        "mime_type": "application/octet-stream"
      },
      "preview_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "remote_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "text_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "type": "unknown",
      "url": "http://pasture-one-actor/assets/FediverseLogo.png"
    }
  ],
  "poll": null,
  "akkoma": {
    "source": null
  },
  "text": null,
  "card": null,
  "reblogs_count": 0,
  "pinned": false,
  "content": "no comment in attachment",
  "in_reply_to_id": null,
  "created_at": "2024-10-30T15:30:20.000Z",
  "bookmarked": false,
  "language": null,
  "application": null,
  "sensitive": false,
  "favourited": false,
  "tags": [],
  "edited_at": null,
  "spoiler_text": "",
  "favourites_count": 0,
  "account": {
    "acct": "actor@pasture-one-actor",
    "akkoma": {
      "instance": {
        "favicon": null,
        "name": "pasture-one-actor",
        "nodeinfo": {}
      },
      "permit_followback": false,
      "status_ttl_days": null
    },
    "avatar": "http://akkoma/images/avi.png",
    "avatar_static": "http://akkoma/images/avi.png",
    "bot": false,
    "created_at": "2024-10-30T15:29:35.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://akkoma/images/banner.png",
    "header_static": "http://akkoma/images/banner.png",
    "id": "AnXIb3A18UJEoPxmaG",
    "last_status_at": "2024-10-30",
    "locked": false,
    "note": "",
    "pleroma": {
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "background_image": null,
      "favicon": null,
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 32,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  }
}
gotosocial
{
  "id": "01JBEZYD8RH6PGAWDPDNYMFXCC",
  "created_at": "2024-10-30T15:15:43.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/-Hyx1x9NstM",
  "url": "http://pasture-one-actor/actor/-Hyx1x9NstM",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "no comment in attachment",
  "reblog": null,
  "account": {
    "id": "01JBEZVRRYW1N66XSEBDY2JJ1Y",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2024-10-30T15:14:16.490Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 33,
    "last_status_at": "2024-10-30T15:15:43.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "01JBEZYDS8E2ZM1206CAS2F387",
      "type": "image",
      "url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYDS8E2ZM1206CAS2F387.png",
      "text_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/original/01JBEZYDS8E2ZM1206CAS2F387.png",
      "preview_url": "http://gotosocial/fileserver/01JBEZVRRYW1N66XSEBDY2JJ1Y/attachment/small/01JBEZYDS8E2ZM1206CAS2F387.jpg",
      "remote_url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "preview_remote_url": null,
      "meta": {
        "original": {
          "width": 1548,
          "height": 1548,
          "size": "1548x1548",
          "aspect": 1
        },
        "small": {
          "width": 512,
          "height": 512,
          "size": "512x512",
          "aspect": 1
        },
        "focus": {
          "x": 0,
          "y": 0
        }
      },
      "description": null,
      "blurhash": "LIB{x~.}9Fcn}gnOEUxBDlK[N1wi"
    }
  ],
  "mentions": [
    {
      "id": "01VX34CC6NW4GW1G1W6MP6YSN1",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}
misskey
{
  "id": "9zzlce7cdydq0013",
  "createdAt": "2024-10-30T15:23:45.000Z",
  "userId": "9zzlaq38dydq0002",
  "user": {
    "id": "9zzlaq38dydq0002",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "no comment in attachment",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "9zzlcdycdydq0011"
  ],
  "files": [
    {
      "id": "9zzlcdycdydq0011",
      "createdAt": "2024-10-30T15:23:44.676Z",
      "name": "FediverseLogo.png",
      "type": "image/png",
      "md5": "85e7feae66363e9e200570a28b0cf20a",
      "size": 0,
      "isSensitive": false,
      "blurhash": "eQE_?c.}4.YJM^}fi{EVw[xu9JK[M~xI-T9+TJRPX2$$E]NFo}j1tO",
      "properties": {
        "width": 1548,
        "height": 1548
      },
      "url": "http://pasture-one-actor/assets/FediverseLogo.png",
      "thumbnailUrl": "http://pasture-one-actor/assets/FediverseLogo.png",
      "comment": "name",
      "folderId": null,
      "folder": null,
      "userId": "9zzlaq38dydq0002",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/6jZziFvginw",
  "clippedCount": 0
}