{
 "schema_version": "0.5",
 "name": "graft-0-X",
 "code_type": "CSS",
 "n": 11,
 "k": 3,
 "checks": {
  "X": [
   [
    2,
    5,
    6,
    10
   ],
   [
    0,
    3,
    4,
    5,
    7,
    10
   ],
   [
    3,
    4,
    8,
    9
   ],
   [
    0,
    1,
    3,
    6,
    8,
    10
   ]
  ],
  "Z": [
   [
    1,
    6,
    7,
    8,
    9,
    10
   ],
   [
    2,
    4,
    6,
    7,
    8
   ],
   [
    1,
    3,
    5,
    6,
    8
   ],
   [
    0,
    2,
    5,
    8,
    9
   ]
  ]
 },
 "distance": {
  "d": 3,
  "X": {
   "value": 3,
   "confidence": "upper_bound",
   "witness": [
    0,
    2,
    4
   ]
  },
  "Z": {
   "value": 3,
   "confidence": "upper_bound",
   "witness": [
    0,
    1,
    7
   ]
  }
 },
 "provenance": {
  "authors": [
   "@MathysRennela"
  ],
  "model": "Beam 1.0",
  "novelty": "known_parameters",
  "origin": "submission",
  "date": "2026-10-19",
  "construction": "E-GRAFT",
  "notes": "Construction found with an unreleased code calculus tool using the E-GRAFT technique. Distance is reported only with witness-backed upper bounds."
 }
}