{
  "step": "C338",
  "E": "25/23",
  "scalar_ladder": [
    1058,
    1150,
    1250
  ],
  "rows": [
    {
      "i": 2,
      "N_SP_Noah": {
        "tradition": "SP",
        "gear": 1,
        "role": "Noah birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3705
      },
      "R_MT_next_restored_Flood": {
        "tradition": "MT",
        "gear": 2,
        "role": "Flood close",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2647,
        "base_native_Cainan": 0,
        "base_center": 2457
      },
      "H_MT_sameGear_base_Shem": {
        "tradition": "MT",
        "gear": 1,
        "role": "Shem birth",
        "rail": null,
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2556
      },
      "F_MT_sameGear_base_Flood": {
        "tradition": "MT",
        "gear": 1,
        "role": "Flood close",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2455,
        "base_native_Cainan": 0,
        "base_center": 2455
      },
      "widths": [
        1058,
        1149,
        1250
      ],
      "full_source_ladder": false,
      "doubleE_source_endpoints": true,
      "required_1150_intermediate_MT_Shem_matches": [],
      "components": [
        {
          "phase": "-1/4",
          "N": "14819/4",
          "R": "10587/4",
          "H": "10223/4",
          "F": "9819/4"
        },
        {
          "phase": "1/4",
          "N": "14821/4",
          "R": "10589/4",
          "H": "10225/4",
          "F": "9821/4"
        }
      ],
      "actual_R_H_F_gaps": [
        91,
        101
      ]
    },
    {
      "i": 3,
      "N_SP_Noah": {
        "tradition": "SP",
        "gear": 1,
        "role": "Noah birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3706
      },
      "R_MT_next_restored_Flood": {
        "tradition": "MT",
        "gear": 2,
        "role": "Flood start",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2648,
        "base_native_Cainan": 0,
        "base_center": 2458
      },
      "H_MT_sameGear_base_Shem": {
        "tradition": "MT",
        "gear": 1,
        "role": "Shem birth",
        "rail": null,
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2556
      },
      "F_MT_sameGear_base_Flood": {
        "tradition": "MT",
        "gear": 1,
        "role": "Flood start",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2456,
        "base_native_Cainan": 0,
        "base_center": 2456
      },
      "widths": [
        1058,
        1150,
        1250
      ],
      "full_source_ladder": true,
      "doubleE_source_endpoints": true,
      "required_1150_intermediate_MT_Shem_matches": [
        {
          "tradition": "MT",
          "gear": 1,
          "role": "Shem birth",
          "rail": null,
          "Cainan": 0,
          "Terah60": 0,
          "full430": 1,
          "center": 2556
        }
      ],
      "components": [
        {
          "phase": "-1/4",
          "N": "14823/4",
          "R": "10591/4",
          "H": "10223/4",
          "F": "9823/4"
        },
        {
          "phase": "1/4",
          "N": "14825/4",
          "R": "10593/4",
          "H": "10225/4",
          "F": "9825/4"
        }
      ],
      "actual_R_H_F_gaps": [
        92,
        100
      ]
    },
    {
      "i": 4,
      "N_SP_Noah": {
        "tradition": "SP",
        "gear": 2,
        "role": "Noah birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3707
      },
      "R_MT_next_restored_Flood": {
        "tradition": "MT",
        "gear": 3,
        "role": "Flood close",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2649,
        "base_native_Cainan": 0,
        "base_center": 2459
      },
      "H_MT_sameGear_base_Shem": {
        "tradition": "MT",
        "gear": 2,
        "role": "Shem birth",
        "rail": null,
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2558
      },
      "F_MT_sameGear_base_Flood": {
        "tradition": "MT",
        "gear": 2,
        "role": "Flood close",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2457,
        "base_native_Cainan": 0,
        "base_center": 2457
      },
      "widths": [
        1058,
        1149,
        1250
      ],
      "full_source_ladder": false,
      "doubleE_source_endpoints": true,
      "required_1150_intermediate_MT_Shem_matches": [],
      "components": [
        {
          "phase": "-1/4",
          "N": "14827/4",
          "R": "10595/4",
          "H": "10231/4",
          "F": "9827/4"
        },
        {
          "phase": "1/4",
          "N": "14829/4",
          "R": "10597/4",
          "H": "10233/4",
          "F": "9829/4"
        }
      ],
      "actual_R_H_F_gaps": [
        91,
        101
      ]
    },
    {
      "i": 5,
      "N_SP_Noah": {
        "tradition": "SP",
        "gear": 2,
        "role": "Noah birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3708
      },
      "R_MT_next_restored_Flood": {
        "tradition": "MT",
        "gear": 3,
        "role": "Flood start",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2650,
        "base_native_Cainan": 0,
        "base_center": 2460
      },
      "H_MT_sameGear_base_Shem": {
        "tradition": "MT",
        "gear": 2,
        "role": "Shem birth",
        "rail": null,
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2558
      },
      "F_MT_sameGear_base_Flood": {
        "tradition": "MT",
        "gear": 2,
        "role": "Flood start",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2458,
        "base_native_Cainan": 0,
        "base_center": 2458
      },
      "widths": [
        1058,
        1150,
        1250
      ],
      "full_source_ladder": true,
      "doubleE_source_endpoints": true,
      "required_1150_intermediate_MT_Shem_matches": [
        {
          "tradition": "MT",
          "gear": 2,
          "role": "Shem birth",
          "rail": null,
          "Cainan": 0,
          "Terah60": 0,
          "full430": 1,
          "center": 2558
        }
      ],
      "components": [
        {
          "phase": "-1/4",
          "N": "14831/4",
          "R": "10599/4",
          "H": "10231/4",
          "F": "9831/4"
        },
        {
          "phase": "1/4",
          "N": "14833/4",
          "R": "10601/4",
          "H": "10233/4",
          "F": "9833/4"
        }
      ],
      "actual_R_H_F_gaps": [
        92,
        100
      ]
    }
  ],
  "full_source_ladder_i": [
    3,
    5
  ],
  "doubleE_source_endpoints_i": [
    2,
    3,
    4,
    5
  ],
  "primary_increment_ladder": [
    92,
    100
  ],
  "prior_art": "C01/C09 already tabulated the scalar ladder; C89 established a different complete endpoint realization. Current realization holds SP Noah and uses three MT endpoints; no global novelty is claimed.",
  "claim_class": "Exact duration identities with separately verified source endpoint matches, not an explicit source-prescribed map.",
  "new_anchor_or_endpoint_adopted": false
}