{
  "id": "bbg-p0405-networking-protocols-and-edge-networking",
  "title": "Bluetooth Finder Network Flow",
  "chapter": "networking-protocols-and-edge",
  "batch": "11",
  "rank": 106,
  "sourcePage": 405,
  "sourcePointer": "p. 405",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "data-flow",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve AirTag flow: Bluetooth beacon, nearby devices, anonymous relay, cloud location, owner app, and map update",
      "omit source branding, device screenshots, and copied product artwork"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: Bluetooth signal",
      "concept: nearby devices",
      "concept: Find My network",
      "concept: cloud relay",
      "concept: map location"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "local",
      "label": "Local radio",
      "x": 54,
      "y": 136,
      "w": 260,
      "h": 238
    },
    {
      "id": "relay",
      "label": "Anonymous relay",
      "x": 354,
      "y": 136,
      "w": 250,
      "h": 238
    },
    {
      "id": "owner",
      "label": "Owner lookup",
      "x": 644,
      "y": 136,
      "w": 260,
      "h": 238
    }
  ],
  "shapes": [
    {
      "id": "tag",
      "kind": "circle",
      "label": "Finder tag",
      "detail": "BLE beacon",
      "x": 112,
      "y": 208,
      "w": 100,
      "h": 100,
      "tone": "blue"
    },
    {
      "id": "nearby",
      "kind": "rect",
      "label": "Nearby device",
      "detail": "detects signal",
      "x": 394,
      "y": 166,
      "w": 128,
      "h": 58,
      "tone": "green"
    },
    {
      "id": "relay",
      "kind": "gateway",
      "label": "Relay network",
      "detail": "anonymous",
      "x": 394,
      "y": 286,
      "w": 128,
      "h": 80,
      "tone": "purple"
    },
    {
      "id": "cloud",
      "kind": "cylinder",
      "label": "Cloud location",
      "detail": "encrypted",
      "x": 692,
      "y": 164,
      "w": 128,
      "h": 78,
      "tone": "teal"
    },
    {
      "id": "app",
      "kind": "rect",
      "label": "Owner app",
      "detail": "map view",
      "x": 692,
      "y": 304,
      "w": 128,
      "h": 58,
      "tone": "orange"
    }
  ],
  "connectors": [
    {
      "from": "tag",
      "to": "nearby",
      "label": "Bluetooth",
      "flow": "main"
    },
    {
      "from": "nearby",
      "to": "relay",
      "label": "relay",
      "flow": "async"
    },
    {
      "from": "relay",
      "to": "cloud",
      "label": "location",
      "flow": "data"
    },
    {
      "from": "cloud",
      "to": "app",
      "label": "lookup",
      "flow": "data"
    }
  ]
}
