{
  "meta": {
    "description": "Positional gematria ciphers based on a single universal alphabet.",
    "notes": "All ciphers map A-Z positions (1-26) to numeric values."
  },
  "baseAlphabet": "abcdefghijklmnopqrstuvwxyz",
  "ciphers": [
    {
      "id": "simple-ordinal",
      "name": "Simple Ordinal",
      "description": "A=1 ... Z=26",
      "values": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26]
    },
    {
      "id": "full-reduction",
      "name": "Full Reduction",
      "description": "A=1 ... I=9, J=1 ... Z=8",
      "values": [1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8]
    },
    {
      "id": "reverse-ordinal",
      "name": "Reverse Ordinal",
      "description": "A=26 ... Z=1",
      "values": [26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
    },
    {
      "id": "ordinal-plus-9",
      "name": "Ordinal +9",
      "description": "A=10 ... Z=35 (e.g. 11th position = 20)",
      "values": [10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35]
    }
  ]
}