Canvas in Presentation 3.0 with AV

canvas.json

{
  "id": "...",
  "type": "Canvas",
  "width": 1000,
  "height": 1000,
  "duration": 120,
  "annotations": [
     {
       "type": "AnnotationPage",
       "items": [
          {
             "type": "Annotation",
             "body": {
                "id": "uri-to-video",
                "type": "Video",
                "service": {
                  "id": "uri-to-video-info-json"
                }
              },
              "target": "http://.../canvas/#t=0,100"
            }
        ]
      },
      "http://uri-to-other-anotations"
  ]
}