{
  "source_blocks": [
    130,
    490,
    1030,
    130,
    800
  ],
  "Adam_to_Moses": 2580,
  "Seth_to_Moses": 2450,
  "Enoch_to_Moses": 1960,
  "source_selected_factorizations": {
    "Adam": "6*430=2*1290",
    "Seth": "5*490",
    "Enoch": "4*490"
  },
  "dependency": "The three spans share one whole path; subtracting named initial blocks generates the other two.",
  "claim": "Arithmetic reconstruction of existingFile51a family; no uniqueness or frequency claim."
}