{
  "method": "Synthetic PNG resized with the local libvips resize_image operation and save_jpeg_fidelity encoder. This is a service-level demonstration, not an upload or production test. Encoding and dimensions both change; byte differences do not isolate resizing alone.",
  "files": [
    {
      "file": "source.png",
      "bytes": 21212,
      "dimensions": [
        1200,
        900
      ],
      "sha256": "873986eb4cca0c6b1b2f61950df6ac90863e27254236c4af645db4cf31983de9"
    },
    {
      "file": "resized.jpg",
      "bytes": 23649,
      "dimensions": [
        600,
        450
      ],
      "sha256": "34fcd43d17fe80d79ba803fd6581b8e4b149151dd22ca0a99e4ec6630714bb79"
    }
  ]
}