{
  "schema": "avarterra.satellite.v217.1",
  "version": "2.17.0",
  "created": "2026-10-28",
  "notCanonical": true,
  "geographyNote": "All land/sea boundaries are pixel-exact to V2.16 synthetic originals at 1024x512, which are NOT an official georeferenced map. Material color, climate and snow are hypotheses.",
  "exportResolution": [
    4096,
    2048
  ],
  "baseSynthesisResolution": [
    2048,
    1024
  ],
  "coastSourceResolution": [
    1024,
    512
  ],
  "snapshots": [
    {
      "id": "00_AF50000",
      "source_mask": "geochrono/masks/00_AF50000.png",
      "source_dem": "geochrono/dem/00_AF50000.png",
      "source_map": "geochrono/maps/00_AF50000.webp",
      "new_albedo": "geo-satellite-v217/albedo/00_AF50000.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "e8e4734d5f231e9c6fea17b64adebf326046f1a2a2912b9cffed5c4680f351a2",
      "georeferenced_canonical": false
    },
    {
      "id": "01_AF17000",
      "source_mask": "geochrono/masks/01_AF17000.png",
      "source_dem": "geochrono/dem/01_AF17000.png",
      "source_map": "geochrono/maps/01_AF17000.webp",
      "new_albedo": "geo-satellite-v217/albedo/01_AF17000.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "a3ae25313ae9eeb51a96402a031504257f38453a1b3dd5f00d890415221cbe59",
      "georeferenced_canonical": false
    },
    {
      "id": "02_AF13500",
      "source_mask": "geochrono/masks/02_AF13500.png",
      "source_dem": "geochrono/dem/02_AF13500.png",
      "source_map": "geochrono/maps/02_AF13500.webp",
      "new_albedo": "geo-satellite-v217/albedo/02_AF13500.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "e5d0dc0aadb69c9dc721804945226489b2f0aa10c5b74e21d9d07922eddd8525",
      "georeferenced_canonical": false
    },
    {
      "id": "03_AF10500",
      "source_mask": "geochrono/masks/03_AF10500.png",
      "source_dem": "geochrono/dem/03_AF10500.png",
      "source_map": "geochrono/maps/03_AF10500.webp",
      "new_albedo": "geo-satellite-v217/albedo/03_AF10500.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "6060afcdc9c57292304f557ffafcea82ddc831e2007a958d88a3611d7eb355ce",
      "georeferenced_canonical": false
    },
    {
      "id": "04_AF7500",
      "source_mask": "geochrono/masks/04_AF7500.png",
      "source_dem": "geochrono/dem/04_AF7500.png",
      "source_map": "geochrono/maps/04_AF7500.webp",
      "new_albedo": "geo-satellite-v217/albedo/04_AF7500.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "685fc62e3ec588ab723a3dc8a22721f2a74ff17ddbf3aa2b8d5e0fba5d3a5f2e",
      "georeferenced_canonical": false
    },
    {
      "id": "05_AF3700",
      "source_mask": "geochrono/masks/05_AF3700.png",
      "source_dem": "geochrono/dem/05_AF3700.png",
      "source_map": "geochrono/maps/05_AF3700.webp",
      "new_albedo": "geo-satellite-v217/albedo/05_AF3700.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "a83de67ad1cdb665fa8d9e1267fd4490fc25c89b1847ad8102da6b2bd524d4d0",
      "georeferenced_canonical": false
    },
    {
      "id": "06_NC0",
      "source_mask": "geochrono/masks/06_NC0.png",
      "source_dem": "geochrono/dem/06_NC0.png",
      "source_map": "geochrono/maps/06_NC0.webp",
      "new_albedo": "geo-satellite-v217/albedo/06_NC0.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "09fea13ee07f3a0abff88287b0ffd37c79439fbfba3ac868b3c9a8387841ed6c",
      "georeferenced_canonical": false
    },
    {
      "id": "07_NC200",
      "source_mask": "geochrono/masks/07_NC200.png",
      "source_dem": "geochrono/dem/07_NC200.png",
      "source_map": "geochrono/maps/07_NC200.webp",
      "new_albedo": "geo-satellite-v217/albedo/07_NC200.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "09fea13ee07f3a0abff88287b0ffd37c79439fbfba3ac868b3c9a8387841ed6c",
      "georeferenced_canonical": false
    },
    {
      "id": "08_NC299",
      "source_mask": "geochrono/masks/08_NC299.png",
      "source_dem": "geochrono/dem/08_NC299.png",
      "source_map": "geochrono/maps/08_NC299.webp",
      "new_albedo": "geo-satellite-v217/albedo/08_NC299.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "09fea13ee07f3a0abff88287b0ffd37c79439fbfba3ac868b3c9a8387841ed6c",
      "georeferenced_canonical": false
    },
    {
      "id": "09_NC300",
      "source_mask": "geochrono/masks/09_NC300.png",
      "source_dem": "geochrono/dem/09_NC300.png",
      "source_map": "geochrono/maps/09_NC300.webp",
      "new_albedo": "geo-satellite-v217/albedo/09_NC300.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "b323d0de992161aa325d02384670c0e1ecfe351a3c216e98940154cc4366c5bc",
      "georeferenced_canonical": false
    },
    {
      "id": "10_NC301",
      "source_mask": "geochrono/masks/10_NC301.png",
      "source_dem": "geochrono/dem/10_NC301.png",
      "source_map": "geochrono/maps/10_NC301.webp",
      "new_albedo": "geo-satellite-v217/albedo/10_NC301.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "0959ab997819f0ed4c7ce50cbcbfcc1dcda91914cffe6242f34d917ff4f5be8c",
      "georeferenced_canonical": false
    },
    {
      "id": "11_NC406",
      "source_mask": "geochrono/masks/11_NC406.png",
      "source_dem": "geochrono/dem/11_NC406.png",
      "source_map": "geochrono/maps/11_NC406.webp",
      "new_albedo": "geo-satellite-v217/albedo/11_NC406.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "6e06041dd30452b8a0ab8040f63746ae3500defdcdcafcec94894cbc5fcc38d8",
      "georeferenced_canonical": false
    },
    {
      "id": "12_NC478",
      "source_mask": "geochrono/masks/12_NC478.png",
      "source_dem": "geochrono/dem/12_NC478.png",
      "source_map": "geochrono/maps/12_NC478.webp",
      "new_albedo": "geo-satellite-v217/albedo/12_NC478.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "281decdaba88f71c8ef37ef68bc0d9a9e5043943dd59421c0896f9a26a1e44f0",
      "georeferenced_canonical": false
    },
    {
      "id": "13_NC483",
      "source_mask": "geochrono/masks/13_NC483.png",
      "source_dem": "geochrono/dem/13_NC483.png",
      "source_map": "geochrono/maps/13_NC483.webp",
      "new_albedo": "geo-satellite-v217/albedo/13_NC483.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "281decdaba88f71c8ef37ef68bc0d9a9e5043943dd59421c0896f9a26a1e44f0",
      "georeferenced_canonical": false
    },
    {
      "id": "14_NC500",
      "source_mask": "geochrono/masks/14_NC500.png",
      "source_dem": "geochrono/dem/14_NC500.png",
      "source_map": "geochrono/maps/14_NC500.webp",
      "new_albedo": "geo-satellite-v217/albedo/14_NC500.webp",
      "coast_binary_identical": true,
      "sourceMaskSHA256": "281decdaba88f71c8ef37ef68bc0d9a9e5043943dd59421c0896f9a26a1e44f0",
      "georeferenced_canonical": false
    }
  ],
  "eras": [
    {
      "id": 1,
      "roman": "I",
      "name": "Les Rifts de la Pangée",
      "defaultSnapshot": "00_AF50000",
      "snapshots": [
        "00_AF50000"
      ],
      "interval": "50 000–17 000 AF"
    },
    {
      "id": 2,
      "roman": "II",
      "name": "Les Mers nouvelles",
      "defaultSnapshot": "01_AF17000",
      "snapshots": [
        "01_AF17000"
      ],
      "interval": "17 000–13 500 AF"
    },
    {
      "id": 3,
      "roman": "III",
      "name": "La Famille des continents",
      "defaultSnapshot": "02_AF13500",
      "snapshots": [
        "02_AF13500"
      ],
      "interval": "13 500–10 500 AF"
    },
    {
      "id": 4,
      "roman": "IV",
      "name": "L’Observation globale",
      "defaultSnapshot": "03_AF10500",
      "snapshots": [
        "03_AF10500"
      ],
      "interval": "10 500–7 500 AF"
    },
    {
      "id": 5,
      "roman": "V",
      "name": "La Tectonique impériale",
      "defaultSnapshot": "04_AF7500",
      "snapshots": [
        "04_AF7500"
      ],
      "interval": "7 500–3 700 AF"
    },
    {
      "id": 6,
      "roman": "VI",
      "name": "Le Monde tenu",
      "defaultSnapshot": "05_AF3700",
      "snapshots": [
        "05_AF3700"
      ],
      "interval": "3 700 AF–0 NC"
    },
    {
      "id": 7,
      "roman": "VII",
      "name": "Du Fractum au Cœur brisé",
      "defaultSnapshot": "12_NC478",
      "snapshots": [
        "06_NC0",
        "07_NC200",
        "08_NC299",
        "09_NC300",
        "10_NC301",
        "11_NC406",
        "12_NC478"
      ],
      "interval": "0–482 NC"
    },
    {
      "id": 8,
      "roman": "VIII",
      "name": "L’Arrêt de la Roue",
      "defaultSnapshot": "13_NC483",
      "snapshots": [
        "13_NC483",
        "14_NC500"
      ],
      "interval": "483 NC et après"
    }
  ]
}