{
  "tool": "Built-in image generation",
  "imageFile": "chenango-illustration.png",
  "referenceRole": "Modern GLB render used as visual reconstruction reference; Hettler also used the linked Pesha historical photograph",
  "historicalStatus": "Supplemental interpretive artwork, not documentary evidence or an exact GLB render",
  "generationBrief": "Chenango early c.1862–1869 bark hypothesis, three masts, square fore and main sails, gaff mizzen and two headsails, pale overcast Lake Superior.",
  "artefactCheck": {
    "date": "2026-09-08",
    "crops": [
      "bow",
      "midships",
      "stern",
      "rig-superstructure"
    ],
    "nativePixelInspection": true,
    "result": "clean",
    "imageSha256": "87025967211f47e23f91786b316b22b473163e23e4612b6e07945e289c47aeab",
    "observations": "Four native-pixel crops inspected. No weapons, garbled lettering, material mismatch, added masts, disconnected fittings or modern equipment observed. Interpretive details and background scenery are not documentary evidence."
  },
  "imageSha256": "87025967211f47e23f91786b316b22b473163e23e4612b6e07945e289c47aeab"
}