{
  "id": 458,
  "alphabet_id": 6,
  "alphabet": [0,1,3,7],
  "length": 141,
  "previous_length": 139,
  "word": [1,7,1,0,7,0,3,7,0,7,1,0,7,0,3,7,3,1,7,0,7,3,0,7,0,1,0,3,1,0,1,7,3,0,7,0,1,7,1,3,1,7,1,0,7,1,7,3,7,0,7,3,7,1,3,0,7,3,1,7,1,0,1,7,3,1,3,0,1,3,7,0,1,7,0,7,3,1,3,7,0,3,0,1,0,7,0,1,0,3,1,0,1,7,1,3,1,0,3,1,3,7,3,1,3,0,1,0,7,1,7,3,7,1,7,0,7,3,0,7,0,1,7,1,3,0,1,0,7,0,3,0,7,0,1,7,0,7,3,7,1],
  "submitter": "Aayush Rajasekaran",
  "created_at": "2026-08-30 18:49:57",
  "comments": [
    {
      "author": "Aayush Rajasekaran",
      "created_at": "2026-08-30 18:49:57",
      "content": "This word attains the exact maximum: our exhaustive search (Rust backtracking engine over prefix sums, counts cross-validated against a naive implementation and against this site's closed alphabets) proves no additive-square-free word of length 142 exists over this alphabet, so max = 141. Closure claim to follow."
    }
  ]
}