{
  "format": "proofdama-space-duality-report-v1",
  "benchmark": "8x3x1",
  "certificate_format": "dama-reduced-wld-proof-sharded-v2",
  "geometry": {
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  "boundary_alphabet_sha256": "6a47287361f2e6feea641901619a6a80045c42e59c3bf2e84e2bffc08a4ba260",
  "boundary_alphabet_artifact": "proofdama-8x3x1.boundary-alphabet.v1.jsonl.zst",
  "equivalence": "canonical_piece_engine_equals_vacancy_engine"
}