{
  "schema": "isgenai.platform-metadata-survival.v1",
  "procedure_version": 1,
  "analyzed_at": "2026-10-19T17:48:25.167Z",
  "node": "v23.11.0",
  "sharp": {
    "aom": "3.15.0",
    "archive": "3.8.9",
    "cairo": "1.18.4",
    "cgif": "0.5.3",
    "exif": "0.6.26",
    "expat": "2.8.3",
    "ffi": "3.8.0",
    "fontconfig": "2.18.3",
    "freetype": "2.14.3",
    "fribidi": "1.0.16",
    "glib": "2.89.4",
    "harfbuzz": "14.3.1",
    "heif": "1.23.2",
    "highway": "1.4.0",
    "imagequant": "2.4.1",
    "lcms": "2.19.1",
    "mozjpeg": "0826579",
    "pango": "1.58.2",
    "pixman": "0.46.4",
    "png": "1.6.58",
    "proxy-libintl": "0.5",
    "rsvg": "2.62.91",
    "tiff": "4.7.2",
    "uhdr": "2.0.2",
    "vips": "8.18.6",
    "webp": "1.6.0",
    "xml2": "2.15.3",
    "zlib-ng": "2.3.3",
    "sharp": "0.35.4"
  },
  "license": "CC0-1.0",
  "scope": "Five code-drawn test images with deliberately attached records, uploaded to one platform through its official API and downloaded again. Measures which records the served copy still carries. Not a test of AI detection, authorship, or of other upload paths (apps, web uploader, direct messages).",
  "records": {
    "c2pa": "C2PA manifest",
    "iptc_ai_source": "IPTC DigitalSourceType (AI) in XMP",
    "xmp": "Any XMP packet",
    "exif_camera": "EXIF camera make/model",
    "gps": "EXIF GPS coordinates",
    "png_prompt": "Saved prompt (A1111 parameters)",
    "comfyui_workflow": "ComfyUI workflow graph"
  },
  "base_image_sha256": "acdc3a0a5e011cf57af9bf0f1da74c75c2d280a2cc9af9297410c529f86932cf",
  "fixtures": [
    {
      "file": "a1111-parameters.png",
      "label": "AUTOMATIC1111 saved prompt",
      "carries": "PNG tEXt \"parameters\" record (prompt, negative prompt, steps, sampler, seed, model)",
      "source": "Byte copy of public/examples/saved-details/with-saved-details.png",
      "mime": "image/png",
      "path": "fixtures/a1111-parameters.png",
      "before": {
        "sha256": "349c5489f092e0045e79c207acdfe16e217ea7dadf59f2512db6aeccf725aff5",
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        "format": "png",
        "width": 640,
        "height": 400,
        "icc_profile": false,
        "records": {
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          "iptc_ai_source": false,
          "xmp": false,
          "exif_camera": false,
          "gps": false,
          "png_prompt": true,
          "comfyui_workflow": false
        },
        "details": {
          "c2pa_status": "NO_C2PA_MANIFEST",
          "c2pa_digital_source_types": [],
          "iptc_ai_source_types": [],
          "exif_fields": 0,
          "gps_fields": [],
          "prompt_format": "automatic1111",
          "comfyui_graphs": [],
          "metadata_reader_outcome": "ai_metadata_detected",
          "metadata_reader_fields": [
            "saved_generation_prompt"
          ]
        }
      }
    },
    {
      "file": "comfyui-workflow.png",
      "label": "ComfyUI workflow",
      "carries": "PNG \"workflow\" (editor graph) and \"prompt\" (API graph) records",
      "source": "Byte copy of public/examples/workflows/with-workflow.png",
      "mime": "image/png",
      "path": "fixtures/comfyui-workflow.png",
      "before": {
        "sha256": "427aa019b768aaaeb2fb59724a4e49772e041ee6091f47cffc7ec6a35867dc08",
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        "width": 640,
        "height": 400,
        "icc_profile": false,
        "records": {
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          "iptc_ai_source": false,
          "xmp": false,
          "exif_camera": false,
          "gps": false,
          "png_prompt": false,
          "comfyui_workflow": true
        },
        "details": {
          "c2pa_status": "NO_C2PA_MANIFEST",
          "c2pa_digital_source_types": [],
          "iptc_ai_source_types": [],
          "exif_fields": 0,
          "gps_fields": [],
          "comfyui_graphs": [
            "editor graph",
            "API graph"
          ],
          "metadata_reader_outcome": "not_detected",
          "metadata_reader_fields": []
        }
      }
    },
    {
      "file": "iptc-ai-source.jpg",
      "label": "IPTC AI source type (XMP)",
      "carries": "XMP Iptc4xmpExt:DigitalSourceType = trainedAlgorithmicMedia",
      "source": "public/examples/guide-lab/without-records.png encoded as JPEG (quality 90) with an XMP packet",
      "mime": "image/jpeg",
      "path": "fixtures/iptc-ai-source.jpg",
      "before": {
        "sha256": "ea6647c57631c171a72ec457f04272dedee91919238629275eff4987f5518504",
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        "format": "jpeg",
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        "height": 400,
        "icc_profile": false,
        "records": {
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          "xmp": true,
          "exif_camera": false,
          "gps": false,
          "png_prompt": false,
          "comfyui_workflow": false
        },
        "details": {
          "c2pa_status": "NO_C2PA_MANIFEST",
          "c2pa_digital_source_types": [],
          "iptc_ai_source_types": [
            "trainedAlgorithmicMedia"
          ],
          "exif_fields": 0,
          "gps_fields": [],
          "comfyui_graphs": [],
          "metadata_reader_outcome": "ai_metadata_detected",
          "metadata_reader_fields": [
            "trainedAlgorithmicMedia"
          ]
        }
      }
    },
    {
      "file": "exif-camera-gps.jpg",
      "label": "EXIF camera and GPS",
      "carries": "EXIF Make/Model, DateTimeOriginal, exposure settings and GPS latitude/longitude (invented values)",
      "source": "public/examples/guide-lab/without-records.png encoded as JPEG (quality 90) with the invented EXIF record from public/examples/exif-viewer/reproduce.mjs",
      "mime": "image/jpeg",
      "path": "fixtures/exif-camera-gps.jpg",
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        "height": 400,
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        "records": {
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          "iptc_ai_source": false,
          "xmp": false,
          "exif_camera": true,
          "gps": true,
          "png_prompt": false,
          "comfyui_workflow": false
        },
        "details": {
          "c2pa_status": "NO_C2PA_MANIFEST",
          "c2pa_digital_source_types": [],
          "iptc_ai_source_types": [],
          "exif_fields": 24,
          "exif_camera": "isGenAI example / Synthetic camera record",
          "gps_fields": [
            "GPSLatitude",
            "GPSLongitude"
          ],
          "comfyui_graphs": [],
          "metadata_reader_outcome": "not_detected",
          "metadata_reader_fields": []
        }
      }
    },
    {
      "file": "c2pa-signed.png",
      "label": "C2PA manifest",
      "carries": "C2PA manifest signed with a disposable test certificate; c2pa.created action with IPTC algorithmicMedia",
      "source": "Byte copy of public/examples/c2pa-lab/test-signed.png",
      "mime": "image/png",
      "path": "fixtures/c2pa-signed.png",
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          "exif_camera": false,
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          "png_prompt": false,
          "comfyui_workflow": false
        },
        "details": {
          "c2pa_status": "C2PA_VALIDATED_WITH_WARNINGS",
          "c2pa_digital_source_types": [
            "algorithmicMedia"
          ],
          "iptc_ai_source_types": [],
          "exif_fields": 0,
          "gps_fields": [],
          "comfyui_graphs": [],
          "metadata_reader_outcome": "not_detected",
          "metadata_reader_fields": []
        }
      }
    }
  ],
  "platforms_tested": [
    "X"
  ],
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      "original_file": "fixtures/a1111-parameters.png",
      "downloaded_file": "x/a1111-parameters.default.png",
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      "survival": {
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        "iptc_ai_source": "not_in_original",
        "xmp": "not_in_original",
        "exif_camera": "not_in_original",
        "gps": "not_in_original",
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        "comfyui_workflow": "not_in_original"
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        },
        "details": {
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        }
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    },
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      "fixture_label": "AUTOMATIC1111 saved prompt",
      "original_file": "fixtures/a1111-parameters.png",
      "downloaded_file": "x/a1111-parameters.orig.png",
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        "xmp": "not_in_original",
        "exif_camera": "not_in_original",
        "gps": "not_in_original",
        "png_prompt": "removed",
        "comfyui_workflow": "not_in_original"
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        },
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      "original_file": "fixtures/a1111-parameters.png",
      "downloaded_file": "x/a1111-parameters.large.png",
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        "gps": "not_in_original",
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        },
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      "original_file": "fixtures/comfyui-workflow.png",
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        "gps": "not_in_original",
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