CERTIFICATE.json

{
  "step": "C481",
  "status": "COMPLETE",
  "date": "2026-09-27",
  "scope": "Shared 12026 anchor and 529 grammar; redirected C481",
  "predecessor": {
    "step": "C480",
    "type": "retrieved checkpoint UTF-8 snapshot",
    "library_file_id": "libfile_6decf90b44c88191adf5e1bbaeabf7eb",
    "sha256": "0e2dcbb9dad9ed346ccfb6dcd6628e86f2573823bb9f0437888a56de25b897ad"
  },
  "report": {
    "path": "490d_C481_Shared_12026_Anchor_and_529_Grammar_20260927.md",
    "sha256": "ef5b6dca64fe288feebfeec6ce4436dc018c23827068a174c6f0dfb807444272"
  },
  "checkpoint": {
    "path": "490d_Mirror_Rounded_Checkpoint_After_C481_20260927.md",
    "sha256": "4bd50231019920a31d40eba80208ec50a852bdcfd0aa3f6bc7940767efe8230d"
  },
  "input_sha256": "601bf604bda88b40faf6fe8298cf5b0454f4677020d9dab62f732878bcfc9e1f",
  "results_sha256": "7bbd86bf98ebabee33eb37329e458fa0db28cf14d6d4ffe27bd66e3179f4519a",
  "script_sha256": "09799e8b407dcff1dd7cfb7aa7156181b33945c9187b582be743ff53e9236860",
  "verification": {
    "structural_checks": 23,
    "source_hash_checks": 7,
    "source_bindings": 10,
    "review": "same-agent exact arithmetic; no independent-agent review"
  },
  "next_step": "C482 proposed only; unexecuted"
}