{
  "id": "code/surface-rot-3",
  "version": 1,
  "kind": "code",
  "name": "Rotated surface code [[9,1,3]]",
  "provenance": {
    "submitter": "ikim",
    "source": "Bombin & Martin-Delgado, arXiv:quant-ph/0605138 (rotated layout); Bravyi & Kitaev, arXiv:quant-ph/9811052; adaptq.codes_builtin.surface_rot(3); exported from adaptq 2612aa6",
    "created": "2026-10-07",
    "notes": "qubit (r, c) = r*3 + c; X-bar on column 0, Z-bar on row 0"
  },
  "verification": {
    "status": "verified",
    "method": "bell-choi-exact-v1",
    "patterns_checked": 0,
    "tools": {
      "adaptq": "433813df312502c551d89f624375e0124f4cebbb",
      "xtim": "xtim-engine-9"
    },
    "date": "2026-10-07"
  },
  "n": 9,
  "k": 1,
  "d": {
    "value": 3,
    "source": "Bombin & Martin-Delgado, arXiv:quant-ph/0605138"
  },
  "stabilizers": [
    "+IXXIXXIII",
    "+IIIXXIXXI",
    "+XXIIIIIII",
    "+IIIIIIIXX",
    "+ZZIZZIIII",
    "+IIIIZZIZZ",
    "+IIIZIIZII",
    "+IIZIIZIII"
  ],
  "logicals": {
    "x": [
      "+XIIXIIXII"
    ],
    "z": [
      "+ZZZIIIIII"
    ]
  }
}