{
  "sourceProvenance": "/examples/ai-person.manifest.json",
  "generation": "Reused existing MiniMax-H3 fictional-person source; no new generation.",
  "greenScreen": "Synthetic green composited under the actual homepage alpha, not camera footage.",
  "gif": "Original programmatic moving-orb animation.",
  "inputs": {
    "green-screen-sample.mp4": {
      "sha256": "9c55099b934d524787ebf5bfaa03aaa2d76b1fc527ea95668316a7b20925e73f",
      "bytes": 281310
    },
    "background-sample.mp4": {
      "sha256": "e865696f40dcc68ef7c42220ef055b8d1136a407551371a0fe76436dbd8bb74b",
      "bytes": 1445162
    },
    "animation-sample.gif": {
      "sha256": "da73592886adb7fcd922c2ea29aa4eddd3ed5cb8dcfffa843360a6674eac1588",
      "bytes": 20906
    }
  },
  "outputs": {
    "green-screen-sample.webm": {
      "frames": 72,
      "width": 360,
      "height": 630,
      "audioPreserved": true,
      "bytes": 679936
    },
    "background-result.mp4": {
      "frames": 96,
      "width": 720,
      "height": 1260,
      "duration": 4.0,
      "audioPreserved": true,
      "bytes": 352180
    },
    "animation-result.gif": {
      "frames": 20,
      "delaysMs": [
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100,
        100
      ],
      "loop": 0,
      "hasTransparency": true,
      "moves": true
    }
  },
  "provenanceRetention": {
    "green-screen-sample.mp4": {
      "rawSha256": "913cae8532c7812f387faea700f57442a0a7211287ea3a9517f4f86d3542ed42",
      "publishedSha256": "9c55099b934d524787ebf5bfaa03aaa2d76b1fc527ea95668316a7b20925e73f",
      "metadataOnlyRemux": true,
      "decodedFramesUnchanged": true
    },
    "background-sample.mp4": {
      "publishedSha256": "e865696f40dcc68ef7c42220ef055b8d1136a407551371a0fe76436dbd8bb74b",
      "originalResolutionPreserved": true,
      "preparation": "Four-second H.264 CRF 14 clip, no scaling"
    },
    "green-screen-sample.webm": {
      "rawSha256": "4b5e881e63fbbdf9a2269a913ea1ebd3be419cd20a2ef08e3349d57207a35f23",
      "publishedSha256": "81cb4d5f71eba39db7ce485d2bb0c9686c4dd95c3ca1646e47c4daa352f6d215",
      "metadataOnlyRemux": true,
      "decodedFramesUnchanged": true
    },
    "background-result.mp4": {
      "rawSha256": "36953c934efb84795aae3bcec7f432dd97ccb07b8fe4b1d36ba0811f7fc51590",
      "publishedSha256": "d7ca475ac8cefa58f520ab1a9329eaad6fed030e31658fdc9cd1c4ad49b71ae1",
      "metadataOnlyRemux": true,
      "videoAndAudioPacketsUnchanged": true
    }
  },
  "method": "Actual browser downloads, including automatic keyer edge color and coverage reconstruction; metadata-only remux retains source provenance. Posters and social artwork are decoded export frames. No manual foreground or matte retouching.",
  "chromaEdgeRefinement": {
    "settings": {
      "color": "#00ff00",
      "tolerance": 0.18,
      "softness": 0.12,
      "despill": 0.7
    },
    "processingSha256": {
      "src/core/local-video/chroma-key.ts": "616098d0c50526083a17f6f58afdff112925e647ee8929e36c7f96b4701f6d70",
      "src/core/local-video/chroma-edge.ts": "ce2f6d26767e2217933e11e92b46100562ccb4c40c5af4fda3e2558bbf39efd1",
      "src/core/local-video/chroma-preview.ts": "8f5ba57f76467fff68c8faf26cbdcff8f278c5bc5ce91f5c28f560e892ca31f6",
      "src/core/local-video/processor.worker.ts": "c9ab2bc4527a3186381435061f8de5bc6f5b61f85389512058c4636817ea851e"
    },
    "before": {
      "visibleGreenPixelsMean": 3319.652777777778,
      "visibleGreenPixelsMaximum": 3642,
      "alphaWeightedGreenExcess": 12862643.360784315,
      "measurement": "All decoded frames; G-max(R,B)>20 with alpha>=16. Sample-specific, not a universal quality score."
    },
    "after": {
      "visibleGreenPixelsMean": 5.916666666666667,
      "visibleGreenPixelsMaximum": 38,
      "alphaWeightedGreenExcess": 45586.91764705882,
      "measurement": "All decoded frames; G-max(R,B)>20 with alpha>=16. Sample-specific, not a universal quality score."
    },
    "visibleGreenReduction": 0.9982176850825262,
    "syntheticParentForegroundIoU": 0.9807505085279411,
    "version": "local-chroma-edge-v2",
    "assets": {
      "green-screen-sample.webm": {
        "sha256": "81cb4d5f71eba39db7ce485d2bb0c9686c4dd95c3ca1646e47c4daa352f6d215",
        "bytes": 679936
      },
      "green-screen-after.png": {
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        "bytes": 80760
      },
      "green-screen-remover-output.png": {
        "sha256": "fac136e08fc924696a0fedc74bb73277e2930734ec9d9f5ea49121f9c896872d",
        "bytes": 89181
      },
      "green-screen-remover-social.png": {
        "sha256": "54b969972b76cddeea336b3c5e61fde8b23e4430b779e98e52b038a0b78624bd",
        "bytes": 86390
      }
    }
  },
  "backgroundReplacement": {
    "version": "background-hd-v1",
    "quality": "detail",
    "background": "#e8edf4",
    "sourceWidth": 768,
    "sourceHeight": 1344,
    "audioCorrelation": 1.0,
    "checkedFrames": [
      0,
      20,
      48,
      72,
      95
    ],
    "provenance": {
      "operation": "Actual browser background replacement, Detailed edges, #e8edf4",
      "sourceSha256": "e865696f40dcc68ef7c42220ef055b8d1136a407551371a0fe76436dbd8bb74b",
      "originalSha256": "145ffbad7cfb3041a2fb96e7c1f29c6f76e94e2db21008c57fed7001785c8e84",
      "rawBrowserExportSha256": "36953c934efb84795aae3bcec7f432dd97ccb07b8fe4b1d36ba0811f7fc51590",
      "sourceSignatureScope": "Retained MiniMax signatures refer to the original source only."
    },
    "processingSha256": {
      "src/core/local-video/processor.worker.ts": "595150485b6ca5950233dbffd60519054f8c2f3f76925fc0b729af2acea78366",
      "src/core/local-video/portrait-matte.ts": "2dc4e832009438e2a22e1219346d551de7a3d42d266a18d9cc9d8945b5975c24",
      "src/core/local-video/edge-color.ts": "c52a47f2e651912bf058118c3aaf5e2afcc54ad3966842e4a47aab12ea1c6b3e",
      "src/core/local-video/domain.ts": "b96b86d9e32406615b2325e18d70683e644aac9ba7ebb8cac36d8c0866113ea0"
    },
    "assets": {
      "background-sample.mp4": {
        "sha256": "e865696f40dcc68ef7c42220ef055b8d1136a407551371a0fe76436dbd8bb74b",
        "bytes": 1445162
      },
      "background-result.mp4": {
        "sha256": "d7ca475ac8cefa58f520ab1a9329eaad6fed030e31658fdc9cd1c4ad49b71ae1",
        "bytes": 352180
      },
      "background-before.jpg": {
        "sha256": "ce4c9315ce2141469d30c2a98f7b98ed2490826c3db74c93900a359008960168",
        "bytes": 163056
      },
      "background-after.jpg": {
        "sha256": "eebdec8bf25721a46fc94f26deb1769ca5f10132ebc4b7a0609e09042340d930",
        "bytes": 76151
      },
      "change-video-background-output.png": {
        "sha256": "43bc0b692e8b79837380bdd915cdffce1369925eb6b9a99fa17333c6655c36be",
        "bytes": 199504
      },
      "change-video-background-social.png": {
        "sha256": "80eea81d024549d983df0d2a0492603bfbc4d1c240898c6f99467e4f6721edb0",
        "bytes": 89563
      }
    }
  }
}