{
  "schemaVersion": 1,
  "preparedDate": "2026-10-07",
  "labelProvenance": "Years and locations come from archival filenames and need catalog confirmation. The seated-man location and Lynbrook year remain unconfirmed.",
  "historicalModelStatus": "The exact historical GFPGAN checkpoint, command and settings are unrecorded. The wipe examples cannot establish which model version produced each change.",
  "comparisonNotes": "These are experiment derivatives, not unaltered archival scan masters. AI reconstruction generates plausible facial details; their historical accuracy is unverified. Some moving frames show doubled or unstable features. The green divider moves automatically.",
  "comparisonFrameRate": "20/1",
  "comparisonAudio": false,
  "originalsPreserved": true,
  "videos": [
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      "id": "harrisburg-1946",
      "title": "A child in a hat",
      "year": "1946",
      "location": "Harrisburg, Pennsylvania",
      "posterTimestamp": 4.75,
      "caption": "A smiling child outside a house. Distinct facial detail appears while the film texture and softer clothing remain visible.",
      "observations": [
        "Compare the eyes, hairline and mouth as the green divider crosses the face.",
        "Film grain and softer clothing remain visible around the reconstructed face."
      ],
      "limitations": [
        "The generated facial details have no authenticated reference portrait for comparison."
      ],
      "orientation": "vertical",
      "duration": 7.2,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "01-21-1946-harrisburg-pa-airport-sports-family-2-141-output.mp4",
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      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
        "720",
        "1080"
      ],
      "outputs": {
        "4k": {
          "path": "harrisburg-1946-4k.mp4",
          "bytes": 17513303,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
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          "duration": 7.2,
          "fps": "20/1",
          "timeBase": "1/10240",
          "frames": 144,
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          "path": "harrisburg-1946-1080p.mp4",
          "bytes": 6836216,
          "width": 1920,
          "height": 1080,
          "codec": "h264",
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          "duration": 7.2,
          "fps": "20/1",
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          "path": "harrisburg-1946-720p.mp4",
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          "width": 1280,
          "height": 720,
          "codec": "h264",
          "pixelFormat": "yuv420p",
          "duration": 7.2,
          "fps": "20/1",
          "timeBase": "1/10240",
          "frames": 144,
          "faststart": true,
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        "posterJpg": {
          "path": "harrisburg-1946-poster.jpg",
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          "width": 1280,
          "height": 720,
          "codec": "mjpeg",
          "pixelFormat": "yuvj420p"
        },
        "posterWebp": {
          "path": "harrisburg-1946-poster.webp",
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          "width": 1280,
          "height": 720,
          "codec": "webp",
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        },
        "thumbnail": {
          "path": "harrisburg-1946-thumb.jpg",
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          "width": 480,
          "height": 270,
          "codec": "mjpeg",
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        }
      },
      "video720": "harrisburg-1946-720p.mp4",
      "video1080": "harrisburg-1946-1080p.mp4",
      "video4k": "harrisburg-1946-4k.mp4",
      "poster": "harrisburg-1946-poster.webp",
      "posterJpg": "harrisburg-1946-poster.jpg",
      "thumbnail": "harrisburg-1946-thumb.jpg"
    },
    {
      "id": "florida-1951",
      "title": "A face in sunlight and shadow",
      "year": "1951",
      "location": "Florida",
      "posterTimestamp": 4.98,
      "caption": "A seated woman in a white blouse. Eyebrows, lips and teeth become clearer, but the deep facial shadow remains.",
      "observations": [
        "Look at the mouth and eyebrows under uneven light.",
        "Compare the illuminated side of the face with the side in shadow."
      ],
      "limitations": [
        "The treatment does not recover reliable detail from every deep shadow.",
        "Teeth and other fine facial features are generated details."
      ],
      "orientation": "vertical",
      "duration": 7.55,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "01-21-1951-florida-family-gray-days-1-027-output.mp4",
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          "path": "florida-1951-4k.mp4",
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          "width": 1920,
          "height": 1080,
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          "path": "florida-1951-720p.mp4",
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          "width": 1280,
          "height": 720,
          "codec": "h264",
          "pixelFormat": "yuv420p",
          "duration": 7.55,
          "fps": "20/1",
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          "frames": 151,
          "faststart": true,
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        "posterJpg": {
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          "bytes": 42600,
          "width": 1280,
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          "codec": "mjpeg",
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        },
        "posterWebp": {
          "path": "florida-1951-poster.webp",
          "bytes": 21300,
          "width": 1280,
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          "codec": "webp",
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        "thumbnail": {
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          "width": 480,
          "height": 270,
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      },
      "video720": "florida-1951-720p.mp4",
      "video1080": "florida-1951-1080p.mp4",
      "video4k": "florida-1951-4k.mp4",
      "poster": "florida-1951-poster.webp",
      "posterJpg": "florida-1951-poster.jpg",
      "thumbnail": "florida-1951-thumb.jpg"
    },
    {
      "id": "long-island-1965",
      "title": "A man in a fire helmet",
      "year": "1965",
      "location": "Long Island, New York",
      "posterTimestamp": 4.92,
      "caption": "A man in a fire helmet, seated on a toy car. Facial features and surrounding edges become clearer.",
      "observations": [
        "Watch the expressive mouth and eyes.",
        "Compare the helmet, brickwork and fence as the wipe moves."
      ],
      "limitations": [
        "Apparent eyewear and other fine details in the processed frames are unverified."
      ],
      "orientation": "vertical",
      "duration": 7.45,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "02-22-2936-2-21-17-1965-long-island-new-york-009-output.mp4",
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      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
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        "1080"
      ],
      "outputs": {
        "4k": {
          "path": "long-island-1965-4k.mp4",
          "bytes": 11259347,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
          "pixelFormat": "yuv420p",
          "duration": 7.45,
          "fps": "20/1",
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          "frames": 149,
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        },
        "1080": {
          "path": "long-island-1965-1080p.mp4",
          "bytes": 4747940,
          "width": 1920,
          "height": 1080,
          "codec": "h264",
          "pixelFormat": "yuv420p",
          "duration": 7.45,
          "fps": "20/1",
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        },
        "720": {
          "path": "long-island-1965-720p.mp4",
          "bytes": 2230313,
          "width": 1280,
          "height": 720,
          "codec": "h264",
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          "fps": "20/1",
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          "faststart": true,
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        "posterJpg": {
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          "height": 720,
          "codec": "mjpeg",
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        },
        "posterWebp": {
          "path": "long-island-1965-poster.webp",
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          "width": 1280,
          "height": 720,
          "codec": "webp",
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        "thumbnail": {
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        }
      },
      "video720": "long-island-1965-720p.mp4",
      "video1080": "long-island-1965-1080p.mp4",
      "video4k": "long-island-1965-4k.mp4",
      "poster": "long-island-1965-poster.webp",
      "posterJpg": "long-island-1965-poster.jpg",
      "thumbnail": "long-island-1965-thumb.jpg"
    },
    {
      "id": "hoboken-1966",
      "title": "A child in red",
      "year": "1966",
      "location": "Hoboken, New Jersey",
      "posterTimestamp": 4.98,
      "caption": "A child looking up at the camera. Eyes, hair and mouth become clearer; moving frames can also contain doubled facial outlines.",
      "observations": [
        "Compare the eyes, hair and smiling mouth.",
        "Pause on moving frames as well as the clearest expression."
      ],
      "limitations": [
        "Adjacent processed frames show ghosted cheek and mouth outlines.",
        "The reconstructed skin looks smoother than the experiment input."
      ],
      "orientation": "vertical",
      "duration": 7.55,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "04-20-10-10-16-1966-hoboken-new-jersey-usa-227-output.mp4",
      "originalBytes": 9898938,
      "originalSha256": "0d08f14de835674f4d382bb37c1e77f991837671d8d79132fc694bae9febed06",
      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
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        "1080"
      ],
      "outputs": {
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          "path": "hoboken-1966-4k.mp4",
          "bytes": 9898957,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
          "pixelFormat": "yuv420p",
          "duration": 7.55,
          "fps": "20/1",
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        "1080": {
          "path": "hoboken-1966-1080p.mp4",
          "bytes": 4096332,
          "width": 1920,
          "height": 1080,
          "codec": "h264",
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          "duration": 7.55,
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          "path": "hoboken-1966-720p.mp4",
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        "posterJpg": {
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          "width": 1280,
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          "codec": "mjpeg",
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        },
        "posterWebp": {
          "path": "hoboken-1966-poster.webp",
          "bytes": 31668,
          "width": 1280,
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          "codec": "webp",
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        "thumbnail": {
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          "bytes": 12110,
          "width": 480,
          "height": 270,
          "codec": "mjpeg",
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        }
      },
      "video720": "hoboken-1966-720p.mp4",
      "video1080": "hoboken-1966-1080p.mp4",
      "video4k": "hoboken-1966-4k.mp4",
      "poster": "hoboken-1966-poster.webp",
      "posterJpg": "hoboken-1966-poster.jpg",
      "thumbnail": "hoboken-1966-thumb.jpg"
    },
    {
      "id": "california-1955",
      "title": "A child laughing by the water",
      "year": "1955",
      "location": "California",
      "posterTimestamp": 4.92,
      "caption": "A child laughs beside the water. The horizontal wipe reveals clearer hair and teeth, with conspicuously smooth facial texture.",
      "observations": [
        "Watch the horizontal divider cross the eyes and mouth.",
        "Compare hair and teeth with the surrounding film texture."
      ],
      "limitations": [
        "Facial texture becomes unusually smooth.",
        "Dust remains visible in the processed picture."
      ],
      "orientation": "horizontal",
      "duration": 7.45,
      "enhancedRegion": "above green divider",
      "inputRegion": "below green divider",
      "originalBasename": "04-22-0127-2-26-17-1955-california-110-output.mp4",
      "originalBytes": 9701290,
      "originalSha256": "02636fb1ca0cb14b911ac44ed0587e947af9746423fe4899bf5996754741cc03",
      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
        "720",
        "1080"
      ],
      "outputs": {
        "4k": {
          "path": "california-1955-4k.mp4",
          "bytes": 9701309,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
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          "duration": 7.45,
          "fps": "20/1",
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          "path": "california-1955-1080p.mp4",
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          "width": 1920,
          "height": 1080,
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        "posterJpg": {
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          "codec": "mjpeg",
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        },
        "posterWebp": {
          "path": "california-1955-poster.webp",
          "bytes": 35224,
          "width": 1280,
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        "thumbnail": {
          "path": "california-1955-thumb.jpg",
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      },
      "video720": "california-1955-720p.mp4",
      "video1080": "california-1955-1080p.mp4",
      "video4k": "california-1955-4k.mp4",
      "poster": "california-1955-poster.webp",
      "posterJpg": "california-1955-poster.jpg",
      "thumbnail": "california-1955-thumb.jpg"
    },
    {
      "id": "wauconda-1960",
      "title": "A woman gardening",
      "year": "1960",
      "location": "Wauconda, Illinois",
      "posterTimestamp": 2.49,
      "caption": "A woman tending a garden. Facial detail improves while the moving hand and arm remain blurred.",
      "observations": [
        "Compare facial detail with the moving hands.",
        "Notice changes in hair and foliage alongside the face."
      ],
      "limitations": [
        "Clearer faces can coexist with blurred hands, arms and surroundings."
      ],
      "orientation": "vertical",
      "duration": 7.55,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "06-21-0215-1960-wauconda-illinois-usa-044-output.mp4",
      "originalBytes": 15159806,
      "originalSha256": "b3eb05b08a0a76e50544103ff33dcbcf641453260c42768d7eb0eb760cd12d42",
      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
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        "1080"
      ],
      "outputs": {
        "4k": {
          "path": "wauconda-1960-4k.mp4",
          "bytes": 15159825,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
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          "duration": 7.55,
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          "width": 1920,
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        "posterJpg": {
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        },
        "posterWebp": {
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          "bytes": 64504,
          "width": 1280,
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        "thumbnail": {
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          "height": 270,
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      },
      "video720": "wauconda-1960-720p.mp4",
      "video1080": "wauconda-1960-1080p.mp4",
      "video4k": "wauconda-1960-4k.mp4",
      "poster": "wauconda-1960-poster.webp",
      "posterJpg": "wauconda-1960-poster.jpg",
      "thumbnail": "wauconda-1960-thumb.jpg"
    },
    {
      "id": "seated-man-1969",
      "title": "A seated man outdoors",
      "year": "1969",
      "location": "Location unconfirmed",
      "posterTimestamp": 4.98,
      "caption": "A seated man in a checked shirt. The camera pulls away, making the face smaller while the processed face and hair appear clearer.",
      "observations": [
        "Watch the face become smaller as the camera pulls back.",
        "Compare hair, shirt and bushes during the wipe."
      ],
      "limitations": [
        "The filename includes both South Africa and Michigan; the location needs catalog confirmation.",
        "A smaller face offers less observed detail for reconstruction."
      ],
      "orientation": "vertical",
      "duration": 7.55,
      "enhancedRegion": "left of green divider",
      "inputRegion": "right of green divider",
      "originalBasename": "07-20-11-15-16-1969-south-africa-michigan-200-output.mp4",
      "originalBytes": 14757107,
      "originalSha256": "6e418326d8c32bd5233037fbe3dfa4af36bfbe632349b7ee4ca0b7299d54e5ab",
      "modelSettingsStatus": "unrecorded",
      "burnedLabels": [
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      ],
      "outputs": {
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          "bytes": 14757126,
          "width": 3840,
          "height": 2160,
          "codec": "h264",
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    {
      "id": "new-york-1956",
      "title": "A woman approaching the camera",
      "year": "1956",
      "location": "New York City",
      "posterTimestamp": 4.92,
      "caption": "A woman in a pink coat approaches and waves. Her hair, eyes and mouth become clearer as the face changes size and expression.",
      "observations": [
        "Watch how reconstruction changes as the face approaches the camera.",
        "Pause during expression changes to inspect the mouth and eyes."
      ],
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        "Adjacent processed frames change mouth and eye shapes during motion.",
        "Skin becomes very smooth; dust and scratches remain."
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      "duration": 7.45,
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      "posterJpg": "new-york-1956-poster.jpg",
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    {
      "id": "camden-1962",
      "title": "A couple leaving a doorway",
      "year": "1962",
      "location": "Camden, New Jersey",
      "posterTimestamp": 4.92,
      "caption": "A bride and groom walk out of a dark doorway. Their faces become clearer while the dress, hands and background remain soft.",
      "observations": [
        "Compare both small faces as they emerge from the doorway.",
        "Look at the difference between facial detail and the dress and hands."
      ],
      "limitations": [
        "Moving, small faces and dark areas remain difficult.",
        "Whole-shot softness is still visible around the reconstructed faces."
      ],
      "orientation": "vertical",
      "duration": 7.45,
      "enhancedRegion": "left of green divider",
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    {
      "id": "detroit-1950",
      "title": "Newlyweds in motion",
      "year": "1950",
      "location": "Detroit, Michigan",
      "posterTimestamp": 2.49,
      "caption": "A wedding portrait in motion. Faces become clearer, but profile turns and blurred frames remain difficult. The neighboring experiment input is 256×144.",
      "observations": [
        "Pause near 2.5 seconds to compare the two sides of the groom’s face.",
        "Watch both faces as their heads turn."
      ],
      "limitations": [
        "The matching experiment-input file is only 256×144, rather than a scan master.",
        "The processed sequence becomes abruptly softer around a moving frame."
      ],
      "orientation": "vertical",
      "duration": 7.55,
      "enhancedRegion": "left of green divider",
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      "originalBasename": "11-30-19-detroit-michigan-usa-1950-019-output.mp4",
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      "posterJpg": "detroit-1950-poster.jpg",
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    {
      "id": "sebring-1942",
      "title": "A woman seated with fabric",
      "year": "1942",
      "location": "Sebring, Ohio",
      "posterTimestamp": 4.98,
      "caption": "A woman sits on a couch holding fabric, with a cat nearby. Facial detail changes while her hands, the fabric and the cat remain soft.",
      "observations": [
        "Watch the horizontal wipe reveal the face and hair.",
        "Compare the face with the hands, fabric and nearby cat."
      ],
      "limitations": [
        "A downward head angle reduces visible facial information.",
        "The improvement does not extend equally to hands and other objects."
      ],
      "orientation": "horizontal",
      "duration": 7.55,
      "enhancedRegion": "above green divider",
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    {
      "id": "lynbrook-family",
      "title": "A child in a bow tie",
      "year": "1960s–1970s (unconfirmed)",
      "location": "Lynbrook, New York",
      "posterTimestamp": 4.98,
      "caption": "A child in a bow tie and red suspenders holds a dark object indoors. Facial detail becomes more distinct against the softer shirt and chair.",
      "observations": [
        "Compare reconstructed eyes, lips and cheeks.",
        "Look at the texture difference between the face and clothing."
      ],
      "limitations": [
        "The year needs catalog confirmation; the filename labels the footage 1960s–1970s.",
        "The object’s identity is unclear.",
        "Facial detail can look inconsistent with the surrounding textures."
      ],
      "orientation": "horizontal",
      "duration": 7.55,
      "enhancedRegion": "above green divider",
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      "originalBasename": "12-20-60s-70s-lynbrook-ny-usa-family-C0001-098-output.mp4",
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    {
      "id": "connecticut-1947",
      "title": "Three children outdoors",
      "year": "1947",
      "location": "Connecticut",
      "posterTimestamp": 5.71,
      "caption": "Three children stand together outdoors. The wipe reveals faces in sequence, showing detailed faces beside a softer face and bodies.",
      "observations": [
        "Compare adjacent faces as the divider crosses the group.",
        "Watch how each face changes at a different point in the wipe."
      ],
      "limitations": [
        "Adjacent processed frames show doubled or softened facial features.",
        "Very smooth faces contrast with faded color, soft bodies and surviving dust."
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      "orientation": "vertical",
      "duration": 8.65,
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      },
      "video720": "connecticut-1947-720p.mp4",
      "video1080": "connecticut-1947-1080p.mp4",
      "video4k": "connecticut-1947-4k.mp4",
      "poster": "connecticut-1947-poster.webp",
      "posterJpg": "connecticut-1947-poster.jpg",
      "thumbnail": "connecticut-1947-thumb.jpg"
    }
  ],
  "tutorialSamples": {
    "inputImage": {
      "path": "sample-image.png",
      "bytes": 151002,
      "width": 640,
      "height": 360,
      "codec": "png",
      "pixelFormat": "rgb24"
    },
    "inputVideo": {
      "path": "sample-video.mp4",
      "bytes": 251862,
      "width": 640,
      "height": 360,
      "codec": "h264",
      "pixelFormat": "yuv420p",
      "duration": 2.002,
      "fps": "30000/1001",
      "timeBase": "1/30000",
      "frames": 60,
      "faststart": true,
      "atomOrder": [
        "ftyp",
        "moov",
        "free",
        "mdat"
      ]
    },
    "historicalOutputImage": {
      "path": "historical-output.png",
      "bytes": 292672,
      "width": 640,
      "height": 360,
      "codec": "png",
      "pixelFormat": "rgb24"
    },
    "inputBasename": "01-21-1946-harrisburg-pa-airport-sports-family-2-141.mp4",
    "historicalOutputBasename": "01-21-1946-harrisburg-pa-airport-sports-family-2-141_GAN4K.mp4",
    "inputStage": "TINYS4GAN experiment derivative, not an unaltered scan master",
    "imageTimestamp": 2.8,
    "videoStartTimestamp": 1.0,
    "videoRequestedDuration": 2.0,
    "notes": "The historical-output image uses the same nominal timestamp in a neighboring processed file. Frame alignment is unverified, and its model settings are unrecorded. It is a reference from the historical experiment, not the expected output of the new tutorial."
  }
}