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Image Attachments

The Image type is defined in ActivityStreams Vocabulary.

In the following, we test how various configurations of it are rendered.

A ❌ in the support table means that the entire message has failed to parse. A “-” means that the message was parsed, but no attachment was generated. The text, e.g. image or unknown is the the media type the Fediverse application determined for the attachment.

We furthermore wish to point out that having several links in the url property is useful to both offer the attachment in different formats and say dimensions, e.g. one high resolution and one low resolution one.

Support table

attachment akkoma gotosocial hollo mastodon misskey mitra pleroma sharkey 
{
  “type”: “Document”,
  “url”: “http://pasture-one-actor/images/001.png”
}
 unknown image image image image/png image unknown image 
{
  “type”: “Document”,
  “url”: “http://pasture-one-actor/images/001b.png”,
  “mediaType”: “image/png”
}
 image image image image image/png image image image 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/002.jpg”
}
 unknown image image image image/jpeg image unknown image 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/002b.jpg”,
  “mediaType”: “image/jpeg”
}
 image image image image image/jpeg image image image 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
}
 unknown - image unknown image/svg+xml - unknown image 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/003.eps”
}
 unknown - image unknown application/eps - unknown unknown 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/003b.gif”
}
 unknown image image image image/gif image unknown gifv 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/003c.tiff”
}
 unknown - image unknown image/tiff - unknown image 
{
  “type”: “Image”,
  “url”: “http://pasture-one-actor/images/003d.webp”
}
 unknown image image image image/webp image unknown image 
{
  “type”: “Document”,
  “url”: “http://pasture-one-actor/assets/does_not_exist.png”
}
 unknown - text unknown ❌ - unknown ❌ 
{
  “type”: “Document”,
  “width”: 13,
  “height”: 17,
  “url”: “http://pasture-one-actor/images/004.png”
}
 unknown image image image image/png image unknown image 
{
  “url”: “http://pasture-one-actor/images/005.png”
}
 unknown - - image - - unknown - 
{
  “type”: “Image”,
  “url”: {
    “type”: “Link”,
    “href”: “http://pasture-one-actor/images/006.png”
  }
}
 ❌ - image ❌ - image ❌ - 
{
  “type”: “Image”,
  “url”: {
    “type”: “Link”,
    “href”: “http://pasture-one-actor/images/006b.png”,
    “mediaType”: “image/png”
  }
}
 image - image ❌ - image ❌ - 
{
  “type”: “Image”,
  “url”: [
    {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006c.png”
    }
  ]
}
 ❌ - image ❌ - - unknown - 
{
  “type”: “Image”,
  “url”: [
    {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/007.png”,
      “mediaType”: “image/png”
    },
    {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/008.jpg”,
      “mediaType”: “image/jpeg”
    }
  ]
}
 image - image ❌ - - image -

Details

attachment media_attachments Example 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/yz0_mg9R8Gc”,
  “published”: “2025-03-07T13:49:31Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001.png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1131282266”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/001.png”,
  “remote_url”: “http://pasture-one-actor/images/001.png”,
  “text_url”: “http://pasture-one-actor/images/001.png”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/001.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/C4oVC4SJQ3o”,
  “published”: “2025-03-07T13:49:32Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001b.png”,
    “mediaType”: “image/png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1989242508”,
  “pleroma”: {
    “mime_type”: “image/png”
  },
  “preview_url”: “http://pasture-one-actor/images/001b.png”,
  “remote_url”: “http://pasture-one-actor/images/001b.png”,
  “text_url”: “http://pasture-one-actor/images/001b.png”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/001b.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/OGi8kVB3rL8”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002.jpg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1061397354”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/002.jpg”,
  “remote_url”: “http://pasture-one-actor/images/002.jpg”,
  “text_url”: “http://pasture-one-actor/images/002.jpg”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/002.jpg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/MFt7COLz5HY”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002b.jpg”,
    “mediaType”: “image/jpeg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-1455849681”,
  “pleroma”: {
    “mime_type”: “image/jpeg”
  },
  “preview_url”: “http://pasture-one-actor/images/002b.jpg”,
  “remote_url”: “http://pasture-one-actor/images/002b.jpg”,
  “text_url”: “http://pasture-one-actor/images/002b.jpg”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/002b.jpg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/UVVpfKUjjWE”,
  “published”: “2025-03-07T13:49:34Z”,
  “content”: “Format svg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1816847230”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “remote_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “text_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/brBPcN3cX0s”,
  “published”: “2025-03-07T13:49:35Z”,
  “content”: “Format eps”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003.eps”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-2052359074”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/003.eps”,
  “remote_url”: “http://pasture-one-actor/images/003.eps”,
  “text_url”: “http://pasture-one-actor/images/003.eps”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/003.eps”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/8yZHrCIRm0E”,
  “published”: “2025-03-07T13:49:36Z”,
  “content”: “Format gif”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003b.gif”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “980370550”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/003b.gif”,
  “remote_url”: “http://pasture-one-actor/images/003b.gif”,
  “text_url”: “http://pasture-one-actor/images/003b.gif”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/003b.gif”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/Sv0ZB6w-tBE”,
  “published”: “2025-03-07T13:49:36Z”,
  “content”: “Format tiff”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003c.tiff”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1889602093”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/003c.tiff”,
  “remote_url”: “http://pasture-one-actor/images/003c.tiff”,
  “text_url”: “http://pasture-one-actor/images/003c.tiff”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/003c.tiff”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/rE46HmSqujE”,
  “published”: “2025-03-07T13:49:37Z”,
  “content”: “Format webp”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003d.webp”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “2032942461”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/003d.webp”,
  “remote_url”: “http://pasture-one-actor/images/003d.webp”,
  “text_url”: “http://pasture-one-actor/images/003d.webp”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/003d.webp”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/9eRYUnj2Nfo”,
  “published”: “2025-03-07T13:49:38Z”,
  “content”: “url does not exit”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/assets/does_not_exist.png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-287079044”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/assets/does_not_exist.png”,
  “remote_url”: “http://pasture-one-actor/assets/does_not_exist.png”,
  “text_url”: “http://pasture-one-actor/assets/does_not_exist.png”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/assets/does_not_exist.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/xTzhfGWzKjM”,
  “published”: “2025-03-07T13:49:50Z”,
  “content”: “Wrong height / width”,
  “attachment”: {
    “type”: “Document”,
    “width”: 13,
    “height”: 17,
    “url”: “http://pasture-one-actor/images/004.png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-236881146”,
  “meta”: {
    “original”: {
      “aspect”: 0.7647058823529411,
      “height”: 17,
      “width”: 13
    }
  },
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/004.png”,
  “remote_url”: “http://pasture-one-actor/images/004.png”,
  “text_url”: “http://pasture-one-actor/images/004.png”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/004.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/pGHI6zwWkfA”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “No type”,
  “attachment”: {
    “url”: “http://pasture-one-actor/images/005.png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-566296140”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/005.png”,
  “remote_url”: “http://pasture-one-actor/images/005.png”,
  “text_url”: “http://pasture-one-actor/images/005.png”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/005.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/HB-370TNlDk”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “url is Link object”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006.png”
    }
  }
}
 ❌ 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/A_IiaxuLg5k”,
  “published”: “2025-03-07T13:49:52Z”,
  “content”: “url is Link object with media type”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006b.png”,
      “mediaType”: “image/png”
    }
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “914904108”,
  “pleroma”: {
    “mime_type”: “image/png”
  },
  “preview_url”: “http://pasture-one-actor/images/006b.png”,
  “remote_url”: “http://pasture-one-actor/images/006b.png”,
  “text_url”: “http://pasture-one-actor/images/006b.png”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/006b.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/KPtM3iOqKcU”,
  “published”: “2025-03-07T13:49:53Z”,
  “content”: “url is Link object in an array”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/006c.png”
      }
    ]
  }
}
 ❌ 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/3zNSxlk-FMg”,
  “published”: “2025-03-07T13:49:54Z”,
  “content”: “url is array of two Link objects”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/007.png”,
        “mediaType”: “image/png”
      },
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/008.jpg”,
        “mediaType”: “image/jpeg”
      }
    ]
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-40757466”,
  “pleroma”: {
    “mime_type”: “image/png”
  },
  “preview_url”: “http://pasture-one-actor/images/007.png”,
  “remote_url”: “http://pasture-one-actor/images/007.png”,
  “text_url”: “http://pasture-one-actor/images/007.png”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/007.png”
}
attachment media_attachments Example 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/yz0_mg9R8Gc”,
  “published”: “2025-03-07T13:49:31Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001.png”
  }
}
 
{
  “id”: “01JVS2FPQ264V49MY57VMDC71E”,
  “type”: “image”,
  “url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/original/01JVS2FPQ264V49MY57VMDC71E.png”,
  “text_url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/original/01JVS2FPQ264V49MY57VMDC71E.png”,
  “preview_url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/small/01JVS2FPQ264V49MY57VMDC71E.jpg”,
  “remote_url”: “http://pasture-one-actor/images/001.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”: “L35=.0tVfQtVtVfkfQfkfQfQfQfQ”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/C4oVC4SJQ3o”,
  “published”: “2025-03-07T13:49:32Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001b.png”,
    “mediaType”: “image/png”
  }
}
 
{
  “id”: “01JVS2FQBPFDDY6S7JVMF4M7ZA”,
  “type”: “image”,
  “url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/original/01JVS2FQBPFDDY6S7JVMF4M7ZA.png”,
  “text_url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/original/01JVS2FQBPFDDY6S7JVMF4M7ZA.png”,
  “preview_url”: “http://gotosocial/fileserver/01JVS2BRAS4XQX73070DBHCC8W/attachment/small/01JVS2FQBPFDDY6S7JVMF4M7ZA.jpg”,
  “remote_url”: “http://pasture-one-actor/images/001b.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”: “L6PDp+};fQ};};oKfQoKfQfQfQfQ”
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null
 
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null
 
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null
 
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null
 
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null
 
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null
 
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null
 
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null
 
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null
attachment media_attachments Example 
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 ❌ 
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 ❌
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 ❌ 
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}
 
[]
 
[]
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/HB-370TNlDk”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “url is Link object”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006.png”
    }
  }
}
 
[]
 
[]
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/A_IiaxuLg5k”,
  “published”: “2025-03-07T13:49:52Z”,
  “content”: “url is Link object with media type”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006b.png”,
      “mediaType”: “image/png”
    }
  }
}
 
[]
 
[]
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/KPtM3iOqKcU”,
  “published”: “2025-03-07T13:49:53Z”,
  “content”: “url is Link object in an array”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/006c.png”
      }
    ]
  }
}
 
[]
 
[]
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/3zNSxlk-FMg”,
  “published”: “2025-03-07T13:49:54Z”,
  “content”: “url is array of two Link objects”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/007.png”,
        “mediaType”: “image/png”
      },
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/008.jpg”,
        “mediaType”: “image/jpeg”
      }
    ]
  }
}
 
[]
 
[]
attachment media_attachments Example 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/yz0_mg9R8Gc”,
  “published”: “2025-03-07T13:49:31Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001.png”
  }
}
 
{
  “id”: “01962417-04b4-ab61-832c-fcd8cb84bbac”,
  “type”: “image”,
  “url”: “http://mitra/media/ec90269aecac432b8da32eca35b7bc66439a7f75cbebae9827ac918eac7621ab.png”,
  “preview_url”: “http://mitra/media/ec90269aecac432b8da32eca35b7bc66439a7f75cbebae9827ac918eac7621ab.png”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/C4oVC4SJQ3o”,
  “published”: “2025-03-07T13:49:32Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001b.png”,
    “mediaType”: “image/png”
  }
}
 
{
  “id”: “01962417-0a92-ae1b-a593-925ddaeda117”,
  “type”: “image”,
  “url”: “http://mitra/media/824dc8bdc2055ee31ff9d81b61996376c35cc2fedf5ca5f97ae726f2902fa023.png”,
  “preview_url”: “http://mitra/media/824dc8bdc2055ee31ff9d81b61996376c35cc2fedf5ca5f97ae726f2902fa023.png”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/OGi8kVB3rL8”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002.jpg”
  }
}
 
{
  “id”: “01962417-1055-317d-03f8-140f5be787b3”,
  “type”: “image”,
  “url”: “http://mitra/media/394c667e9a6731b07e7afdd541dd7bcc50d013d8808a8a40f458c7dcb3514f50.jpg”,
  “preview_url”: “http://mitra/media/394c667e9a6731b07e7afdd541dd7bcc50d013d8808a8a40f458c7dcb3514f50.jpg”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/MFt7COLz5HY”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002b.jpg”,
    “mediaType”: “image/jpeg”
  }
}
 
{
  “id”: “01962417-163b-2a05-a544-89b948e107f2”,
  “type”: “image”,
  “url”: “http://mitra/media/a2cc511a81679c01c5fc3689992f62126fabf1af7bc0b3e1633498989665389d.jpg”,
  “preview_url”: “http://mitra/media/a2cc511a81679c01c5fc3689992f62126fabf1af7bc0b3e1633498989665389d.jpg”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/UVVpfKUjjWE”,
  “published”: “2025-03-07T13:49:34Z”,
  “content”: “Format svg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/brBPcN3cX0s”,
  “published”: “2025-03-07T13:49:35Z”,
  “content”: “Format eps”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003.eps”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/8yZHrCIRm0E”,
  “published”: “2025-03-07T13:49:36Z”,
  “content”: “Format gif”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003b.gif”
  }
}
 
{
  “id”: “01962417-27dc-d5dc-71c6-b5e5197b0ad1”,
  “type”: “image”,
  “url”: “http://mitra/media/ff0a5efdaefececc3f85f38888b3e543f2545f9c02900627967898b6aa3f2dcf.gif”,
  “preview_url”: “http://mitra/media/ff0a5efdaefececc3f85f38888b3e543f2545f9c02900627967898b6aa3f2dcf.gif”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/Sv0ZB6w-tBE”,
  “published”: “2025-03-07T13:49:36Z”,
  “content”: “Format tiff”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003c.tiff”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/rE46HmSqujE”,
  “published”: “2025-03-07T13:49:37Z”,
  “content”: “Format webp”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003d.webp”
  }
}
 
{
  “id”: “01962417-338f-b751-fb60-3d1e1d9deb64”,
  “type”: “image”,
  “url”: “http://mitra/media/84667d6cb617f9f63d4356bcd6a926c84dbf83e431da26865c186eff10cf3aaa.webp”,
  “preview_url”: “http://mitra/media/84667d6cb617f9f63d4356bcd6a926c84dbf83e431da26865c186eff10cf3aaa.webp”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/9eRYUnj2Nfo”,
  “published”: “2025-03-07T13:49:38Z”,
  “content”: “url does not exit”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/assets/does_not_exist.png”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/xTzhfGWzKjM”,
  “published”: “2025-03-07T13:49:50Z”,
  “content”: “Wrong height / width”,
  “attachment”: {
    “type”: “Document”,
    “width”: 13,
    “height”: 17,
    “url”: “http://pasture-one-actor/images/004.png”
  }
}
 
{
  “id”: “01962417-3f4b-fff6-c309-82bad2b55645”,
  “type”: “image”,
  “url”: “http://mitra/media/58a967f0af8819d5e5242c45c5553bc4792b6ca82e93b91e4aaaab5e06c07f4a.png”,
  “preview_url”: “http://mitra/media/58a967f0af8819d5e5242c45c5553bc4792b6ca82e93b91e4aaaab5e06c07f4a.png”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/pGHI6zwWkfA”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “No type”,
  “attachment”: {
    “url”: “http://pasture-one-actor/images/005.png”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/HB-370TNlDk”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “url is Link object”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006.png”
    }
  }
}
 
{
  “id”: “01962417-4b06-f8dd-58b3-0a7a5dddfd4f”,
  “type”: “image”,
  “url”: “http://mitra/media/ec4b46e48d632c78046f366e152bc9dafae663298fae8540a6610645f42f77ef.png”,
  “preview_url”: “http://mitra/media/ec4b46e48d632c78046f366e152bc9dafae663298fae8540a6610645f42f77ef.png”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/A_IiaxuLg5k”,
  “published”: “2025-03-07T13:49:52Z”,
  “content”: “url is Link object with media type”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006b.png”,
      “mediaType”: “image/png”
    }
  }
}
 
{
  “id”: “01962417-50d2-4037-bc8a-877d3cf5d845”,
  “type”: “image”,
  “url”: “http://mitra/media/7038155cadbc7d92fea896952ed65cb58573327fa72dc97ea9eeb5d202499f42.png”,
  “preview_url”: “http://mitra/media/7038155cadbc7d92fea896952ed65cb58573327fa72dc97ea9eeb5d202499f42.png”,
  “description”: null
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/KPtM3iOqKcU”,
  “published”: “2025-03-07T13:49:53Z”,
  “content”: “url is Link object in an array”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/006c.png”
      }
    ]
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/3zNSxlk-FMg”,
  “published”: “2025-03-07T13:49:54Z”,
  “content”: “url is array of two Link objects”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/007.png”,
        “mediaType”: “image/png”
      },
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/008.jpg”,
        “mediaType”: “image/jpeg”
      }
    ]
  }
}
 
null
attachment media_attachments Example 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/yz0_mg9R8Gc”,
  “published”: “2025-03-07T13:49:31Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001.png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1131282266”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/001.png”,
  “remote_url”: “http://pasture-one-actor/images/001.png”,
  “text_url”: “http://pasture-one-actor/images/001.png”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/001.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/C4oVC4SJQ3o”,
  “published”: “2025-03-07T13:49:32Z”,
  “content”: “Format png”,
  “attachment”: {
    “type”: “Document”,
    “url”: “http://pasture-one-actor/images/001b.png”,
    “mediaType”: “image/png”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1989242508”,
  “pleroma”: {
    “mime_type”: “image/png”
  },
  “preview_url”: “http://pasture-one-actor/images/001b.png”,
  “remote_url”: “http://pasture-one-actor/images/001b.png”,
  “text_url”: “http://pasture-one-actor/images/001b.png”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/001b.png”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/OGi8kVB3rL8”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002.jpg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1061397354”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/002.jpg”,
  “remote_url”: “http://pasture-one-actor/images/002.jpg”,
  “text_url”: “http://pasture-one-actor/images/002.jpg”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/002.jpg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/MFt7COLz5HY”,
  “published”: “2025-03-07T13:49:33Z”,
  “content”: “Format jpg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/002b.jpg”,
    “mediaType”: “image/jpeg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-1455849681”,
  “pleroma”: {
    “mime_type”: “image/jpeg”
  },
  “preview_url”: “http://pasture-one-actor/images/002b.jpg”,
  “remote_url”: “http://pasture-one-actor/images/002b.jpg”,
  “text_url”: “http://pasture-one-actor/images/002b.jpg”,
  “type”: “image”,
  “url”: “http://pasture-one-actor/images/002b.jpg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/UVVpfKUjjWE”,
  “published”: “2025-03-07T13:49:34Z”,
  “content”: “Format svg”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “1816847230”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “remote_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “text_url”: “http://pasture-one-actor/assets/FediverseLogo.svg”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/assets/FediverseLogo.svg”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/brBPcN3cX0s”,
  “published”: “2025-03-07T13:49:35Z”,
  “content”: “Format eps”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003.eps”
  }
}
 
{
  “blurhash”: null,
  “description”: null,
  “id”: “-2052359074”,
  “pleroma”: {
    “mime_type”: “application/octet-stream”
  },
  “preview_url”: “http://pasture-one-actor/images/003.eps”,
  “remote_url”: “http://pasture-one-actor/images/003.eps”,
  “text_url”: “http://pasture-one-actor/images/003.eps”,
  “type”: “unknown”,
  “url”: “http://pasture-one-actor/images/003.eps”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/8yZHrCIRm0E”,
  “published”: “2025-03-07T13:49:36Z”,
  “content”: “Format gif”,
  “attachment”: {
    “type”: “Image”,
    “url”: “http://pasture-one-actor/images/003b.gif”
  }
}
 
{
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 ❌ 
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 ❌ 
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attachment media_attachments Example 
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 ❌ 
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    “size”: “40x40”,
    “aspect”: 1
  },
  “description”: null,
  “blurhash”: “e2EFirIfQIfQIj[fQj[fQfQfQfQfQfQIj[fQj[fQfQfQfQfQfQ”
}
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/pGHI6zwWkfA”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “No type”,
  “attachment”: {
    “url”: “http://pasture-one-actor/images/005.png”
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/HB-370TNlDk”,
  “published”: “2025-03-07T13:49:51Z”,
  “content”: “url is Link object”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006.png”
    }
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/A_IiaxuLg5k”,
  “published”: “2025-03-07T13:49:52Z”,
  “content”: “url is Link object with media type”,
  “attachment”: {
    “type”: “Image”,
    “url”: {
      “type”: “Link”,
      “href”: “http://pasture-one-actor/images/006b.png”,
      “mediaType”: “image/png”
    }
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/KPtM3iOqKcU”,
  “published”: “2025-03-07T13:49:53Z”,
  “content”: “url is Link object in an array”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/006c.png”
      }
    ]
  }
}
 
null
 
{
  “type”: “Note”,
  “attributedTo”: “http://pasture-one-actor/actor”,
  “to”: [
    “https://www.w3.org/ns/activitystreams#Public”,
    “http://sharkey/users/a52e8ostm0s60001”
  ],
  “id”: “http://pasture-one-actor/actor/3zNSxlk-FMg”,
  “published”: “2025-03-07T13:49:54Z”,
  “content”: “url is array of two Link objects”,
  “attachment”: {
    “type”: “Image”,
    “url”: [
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/007.png”,
        “mediaType”: “image/png”
      },
      {
        “type”: “Link”,
        “href”: “http://pasture-one-actor/images/008.jpg”,
        “mediaType”: “image/jpeg”
      }
    ]
  }
}
 
null