{
  "project": "66vi · Numbers Station",
  "station": "66.06 MHz",
  "system_status": "UNCALIBRATED",
  "key_version": "Sigil v3.1 (locked 23 Aug 2026)",
  "human_key": "https://66vi.io/cipher",
  "encoding": {
    "type": "Unicode Braille Patterns, 8-dot cells",
    "codepoint_range": "U+2800–U+28FF",
    "dots": "Braille dot numbering: 1-2-3 down the left column, 4-5-6 down the right, 7 and 8 on the bottom row.",
    "registers": "Capitals and lowercase use different cells. Capitals carry: they decode nearly one to one. Lowercase obscures: the ambiguity lives there.",
    "spacing": "Words are separated by a plain space (U+0020)."
  },
  "uppercase": [
    {
      "char": "A",
      "cell": "⠬",
      "codepoint": "U+282C",
      "dots": "346"
    },
    {
      "char": "B",
      "cell": "⣧",
      "codepoint": "U+28E7",
      "dots": "123678"
    },
    {
      "char": "C",
      "cell": "⣏",
      "codepoint": "U+28CF",
      "dots": "123478"
    },
    {
      "char": "D",
      "cell": "⣹",
      "codepoint": "U+28F9",
      "dots": "145678"
    },
    {
      "char": "E",
      "cell": "⣍",
      "codepoint": "U+28CD",
      "dots": "13478"
    },
    {
      "char": "F",
      "cell": "⡯",
      "codepoint": "U+286F",
      "dots": "123467"
    },
    {
      "char": "G",
      "cell": "⣯",
      "codepoint": "U+28EF",
      "dots": "1234678"
    },
    {
      "char": "H",
      "cell": "⣷",
      "codepoint": "U+28F7",
      "dots": "1235678"
    },
    {
      "char": "I",
      "cell": "⢸",
      "codepoint": "U+28B8",
      "dots": "4568"
    },
    {
      "char": "J",
      "cell": "⡸",
      "codepoint": "U+2878",
      "dots": "4567"
    },
    {
      "char": "K",
      "cell": "⢊",
      "codepoint": "U+288A",
      "dots": "248"
    },
    {
      "char": "L",
      "cell": "⣇",
      "codepoint": "U+28C7",
      "dots": "12378"
    },
    {
      "char": "M",
      "cell": "⣭",
      "codepoint": "U+28ED",
      "dots": "134678"
    },
    {
      "char": "N",
      "cell": "⢲",
      "codepoint": "U+28B2",
      "dots": "2568"
    },
    {
      "char": "O",
      "cell": "⣿",
      "codepoint": "U+28FF",
      "dots": "12345678"
    },
    {
      "char": "P",
      "cell": "⡟",
      "codepoint": "U+285F",
      "dots": "123457"
    },
    {
      "char": "Q",
      "cell": "⢭",
      "codepoint": "U+28AD",
      "dots": "13468"
    },
    {
      "char": "R",
      "cell": "⠏",
      "codepoint": "U+280F",
      "dots": "1234"
    },
    {
      "char": "S",
      "cell": "⣫",
      "codepoint": "U+28EB",
      "dots": "124678"
    },
    {
      "char": "T",
      "cell": "⡹",
      "codepoint": "U+2879",
      "dots": "14567"
    },
    {
      "char": "U",
      "cell": "⠿",
      "codepoint": "U+283F",
      "dots": "123456"
    },
    {
      "char": "V",
      "cell": "⡒",
      "codepoint": "U+2852",
      "dots": "257"
    },
    {
      "char": "W",
      "cell": "⡪",
      "codepoint": "U+286A",
      "dots": "2467"
    },
    {
      "char": "X",
      "cell": "⡱",
      "codepoint": "U+2871",
      "dots": "1567"
    },
    {
      "char": "Y",
      "cell": "⢻",
      "codepoint": "U+28BB",
      "dots": "124568"
    },
    {
      "char": "Z",
      "cell": "⣝",
      "codepoint": "U+28DD",
      "dots": "134578"
    }
  ],
  "lowercase": [
    {
      "char": "a",
      "cell": "⠴",
      "codepoint": "U+2834",
      "dots": "356"
    },
    {
      "char": "b",
      "cell": "⠷",
      "codepoint": "U+2837",
      "dots": "12356"
    },
    {
      "char": "c",
      "cell": "⠯",
      "codepoint": "U+282F",
      "dots": "12346"
    },
    {
      "char": "d",
      "cell": "⠾",
      "codepoint": "U+283E",
      "dots": "23456"
    },
    {
      "char": "e",
      "cell": "⣖",
      "codepoint": "U+28D6",
      "dots": "23578"
    },
    {
      "char": "f",
      "cell": "⡮",
      "codepoint": "U+286E",
      "dots": "23467"
    },
    {
      "char": "g",
      "cell": "⣻",
      "codepoint": "U+28FB",
      "dots": "1245678"
    },
    {
      "char": "h",
      "cell": "⣥",
      "codepoint": "U+28E5",
      "dots": "13678"
    },
    {
      "char": "i",
      "cell": "⠘",
      "codepoint": "U+2818",
      "dots": "45"
    },
    {
      "char": "j",
      "cell": "⠼",
      "codepoint": "U+283C",
      "dots": "3456"
    },
    {
      "char": "k",
      "cell": "⠪",
      "codepoint": "U+282A",
      "dots": "246"
    },
    {
      "char": "l",
      "cell": "⠧",
      "codepoint": "U+2827",
      "dots": "1236"
    },
    {
      "char": "m",
      "cell": "⣉",
      "codepoint": "U+28C9",
      "dots": "1478"
    },
    {
      "char": "n",
      "cell": "⠲",
      "codepoint": "U+2832",
      "dots": "256"
    },
    {
      "char": "o",
      "cell": "⠶",
      "codepoint": "U+2836",
      "dots": "2356"
    },
    {
      "char": "p",
      "cell": "⡶",
      "codepoint": "U+2876",
      "dots": "23567"
    },
    {
      "char": "q",
      "cell": "⢶",
      "codepoint": "U+28B6",
      "dots": "23568"
    },
    {
      "char": "r",
      "cell": "⡖",
      "codepoint": "U+2856",
      "dots": "2357"
    },
    {
      "char": "s",
      "cell": "⡫",
      "codepoint": "U+286B",
      "dots": "12467"
    },
    {
      "char": "t",
      "cell": "⡓",
      "codepoint": "U+2853",
      "dots": "1257"
    },
    {
      "char": "u",
      "cell": "⣶",
      "codepoint": "U+28F6",
      "dots": "235678"
    },
    {
      "char": "v",
      "cell": "⠖",
      "codepoint": "U+2816",
      "dots": "235"
    },
    {
      "char": "w",
      "cell": "⢎",
      "codepoint": "U+288E",
      "dots": "2348"
    },
    {
      "char": "x",
      "cell": "⠭",
      "codepoint": "U+282D",
      "dots": "1346"
    },
    {
      "char": "y",
      "cell": "⢶",
      "codepoint": "U+28B6",
      "dots": "23568"
    },
    {
      "char": "z",
      "cell": "⢝",
      "codepoint": "U+289D",
      "dots": "13458"
    }
  ],
  "digits": [
    {
      "char": "0",
      "cell": "⠭",
      "codepoint": "U+282D",
      "dots": "1346"
    },
    {
      "char": "1",
      "cell": "⠇",
      "codepoint": "U+2807",
      "dots": "123"
    },
    {
      "char": "2",
      "cell": "⠝",
      "codepoint": "U+281D",
      "dots": "1345"
    },
    {
      "char": "3",
      "cell": "⠽",
      "codepoint": "U+283D",
      "dots": "13456"
    },
    {
      "char": "4",
      "cell": "⠺",
      "codepoint": "U+283A",
      "dots": "2456"
    },
    {
      "char": "5",
      "cell": "⠫",
      "codepoint": "U+282B",
      "dots": "1246"
    },
    {
      "char": "6",
      "cell": "⠷",
      "codepoint": "U+2837",
      "dots": "12356"
    },
    {
      "char": "7",
      "cell": "⠹",
      "codepoint": "U+2839",
      "dots": "1456"
    },
    {
      "char": "8",
      "cell": "⠿",
      "codepoint": "U+283F",
      "dots": "123456"
    },
    {
      "char": "9",
      "cell": "⠻",
      "codepoint": "U+283B",
      "dots": "12456"
    }
  ],
  "punctuation": [
    {
      "char": ".",
      "cell": "⢀",
      "codepoint": "U+2880",
      "dots": "8"
    },
    {
      "char": ",",
      "cell": "⠆",
      "codepoint": "U+2806",
      "dots": "23"
    },
    {
      "char": "!",
      "cell": "⢘",
      "codepoint": "U+2898",
      "dots": "458"
    },
    {
      "char": "?",
      "cell": "⡝",
      "codepoint": "U+285D",
      "dots": "13457"
    },
    {
      "char": "-",
      "cell": "⠤",
      "codepoint": "U+2824",
      "dots": "36"
    },
    {
      "char": "'",
      "cell": "⠈",
      "codepoint": "U+2808",
      "dots": "4"
    },
    {
      "char": "\"",
      "cell": "⠉",
      "codepoint": "U+2809",
      "dots": "14"
    },
    {
      "char": ":",
      "cell": "⠔",
      "codepoint": "U+2814",
      "dots": "35"
    },
    {
      "char": ";",
      "cell": "⠊",
      "codepoint": "U+280A",
      "dots": "24"
    },
    {
      "char": "/",
      "cell": "⠌",
      "codepoint": "U+280C",
      "dots": "34"
    },
    {
      "char": "@",
      "cell": "⠳",
      "codepoint": "U+2833",
      "dots": "1256"
    },
    {
      "char": "(",
      "cell": "⠐",
      "codepoint": "U+2810",
      "dots": "5"
    },
    {
      "char": ")",
      "cell": "⠠",
      "codepoint": "U+2820",
      "dots": "6"
    },
    {
      "char": "&",
      "cell": "⠋",
      "codepoint": "U+280B",
      "dots": "124"
    },
    {
      "char": "*",
      "cell": "⠡",
      "codepoint": "U+2821",
      "dots": "16"
    },
    {
      "char": "#",
      "cell": "⠎",
      "codepoint": "U+280E",
      "dots": "234"
    },
    {
      "char": "+",
      "cell": "⠚",
      "codepoint": "U+281A",
      "dots": "245"
    }
  ],
  "dual_meaning_cells": [
    {
      "cell": "⠷",
      "codepoint": "U+2837",
      "readings": [
        "b",
        "6"
      ],
      "default": "b",
      "resolution": "Permanent. The cell the wordmark is built on: 66vi encodes as ⠷⠷⠖⠘. In numbers read 6, in words read b."
    },
    {
      "cell": "⢶",
      "codepoint": "U+28B6",
      "readings": [
        "q",
        "y"
      ],
      "default": "y",
      "resolution": "q is rare in English and is almost always followed by u. Without that, read y."
    },
    {
      "cell": "⠭",
      "codepoint": "U+282D",
      "readings": [
        "x",
        "0"
      ],
      "default": "x",
      "resolution": "Letter against digit: in a run of digits read 0, otherwise x."
    },
    {
      "cell": "⠿",
      "codepoint": "U+283F",
      "readings": [
        "U",
        "8"
      ],
      "default": "U",
      "resolution": "Capital U against the digit 8: in a run of digits read 8, otherwise U."
    }
  ],
  "decoding": "Read word by word. Where a cell has two readings, choose the combination that forms a real word; treat runs of digits as numbers.",
  "note": "Ambiguity is a hardcoded feature of the transmission line, not a fault. The veil suggests passage, never shows destination."
}