{
  "testedAt": "2026-09-19T22:14:54.636Z",
  "browser": "chromium 145.0.7632.6",
  "exiftoolVersion": "13.59",
  "engineSourceSha256": "050efeab046b51760891c323bf25f5e139dfc193f6f075b3a4e54922cdaa6c2d",
  "scope": "Two synthetic still PNGs using ComfyUI-style prompt/workflow storage. The private comf fixture is not animated and neither file is a real ComfyUI export. No signed C2PA or proprietary watermark validation.",
  "commands": [
    "exiftool -j -G1 -a -s INPUT.png",
    "exiftool -all= -o EXIFTOOL-COPY.png INPUT.png",
    "exiftool -j -G1 -a -s CLEANED.png"
  ],
  "rows": [
    {
      "id": "png-text",
      "label": "PNG prompt and workflow text",
      "inputSha256": "3d18df1fce832e9318b898553034f2833541cb1326c51ae31b3dfadf023215da",
      "outputSha256": "5f8564422b1aa2e65999237b5fe9eca4ed4296f22eb28c05246bc21a4a598e13",
      "inputBytes": 497,
      "outputBytes": 72,
      "before": {
        "chunkTypes": [
          "IHDR",
          "tEXt",
          "tEXt",
          "IDAT",
          "IEND"
        ],
        "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
        "workflowContainers": [
          "tEXt",
          "tEXt"
        ]
      },
      "after": {
        "chunkTypes": [
          "IHDR",
          "IDAT",
          "IEND"
        ],
        "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
        "workflowContainers": []
      },
      "pixelsEqual": true,
      "exiftool": {
        "before": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "PNG:Prompt": "{\"3\":{\"class_type\":\"KSampler\",\"inputs\":{\"seed\":987654321,\"steps\":24,\"cfg\":7,\"sampler_name\":\"euler\"}},\"6\":{\"class_type\":\"CLIPTextEncode\",\"inputs\":{\"text\":\"private client launch concept\"}}}",
          "PNG:Workflow": "{\"nodes\":[{\"id\":3,\"type\":\"KSampler\",\"widgets_values\":[987654321,\"randomize\",24,7,\"euler\",\"normal\",1]},{\"id\":6,\"type\":\"CLIPTextEncode\",\"widgets_values\":[\"private client launch concept\"]}],\"links\":[]}",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "afterBeforeShare": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "afterExifTool": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "outputSha256": "5f8564422b1aa2e65999237b5fe9eca4ed4296f22eb28c05246bc21a4a598e13",
        "containerCheck": {
          "chunkTypes": [
            "IHDR",
            "IDAT",
            "IEND"
          ],
          "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
          "workflowContainers": []
        }
      }
    },
    {
      "id": "png-private",
      "label": "PNG private comf containers",
      "inputSha256": "47531999054ae5b8285d902a73ae41aa25a5b2b1410f47edf45491561b1511f6",
      "outputSha256": "5f8564422b1aa2e65999237b5fe9eca4ed4296f22eb28c05246bc21a4a598e13",
      "inputBytes": 497,
      "outputBytes": 72,
      "before": {
        "chunkTypes": [
          "IHDR",
          "IDAT",
          "comf",
          "comf",
          "IEND"
        ],
        "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
        "workflowContainers": [
          "comf",
          "comf"
        ]
      },
      "after": {
        "chunkTypes": [
          "IHDR",
          "IDAT",
          "IEND"
        ],
        "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
        "workflowContainers": []
      },
      "pixelsEqual": true,
      "exiftool": {
        "before": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "afterBeforeShare": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "afterExifTool": {
          "ExifTool:ExifToolVersion": 13.59,
          "File:FileType": "PNG",
          "File:FileTypeExtension": "png",
          "File:MIMEType": "image/png",
          "PNG:ImageWidth": 8,
          "PNG:ImageHeight": 8,
          "PNG:BitDepth": 8,
          "PNG:ColorType": "RGB",
          "PNG:Compression": "Deflate/Inflate",
          "PNG:Filter": "Adaptive",
          "PNG:Interlace": "Noninterlaced",
          "Composite:ImageSize": "8x8",
          "Composite:Megapixels": 0.000064
        },
        "outputSha256": "47531999054ae5b8285d902a73ae41aa25a5b2b1410f47edf45491561b1511f6",
        "containerCheck": {
          "chunkTypes": [
            "IHDR",
            "IDAT",
            "comf",
            "comf",
            "IEND"
          ],
          "imageDataSha256": "9f59f3e1e0f9c151c6ba9323f43beaa10fbc49d49827cdff69bb178b0daba252",
          "workflowContainers": [
            "comf",
            "comf"
          ]
        }
      }
    }
  ]
}