{
  "message": "Hello World",
  "algorithm": "SHAKE256 reference with zero interleaving",
  "candidate_format": "u64be(original message byte length) || message || u64be(nonce)",
  "output_bits": 64,
  "nonce_search": "Ascending from zero, shared across targets",
  "maximum_attempts": 2000000,
  "total_attempts": 68448,
  "elapsed_seconds": 0.08366945799207315,
  "results": [
    {
      "zero_bits": 8,
      "nonce": 527,
      "attempts": 528,
      "digest_hex": "00df318d3b54dcaa",
      "ideal_expected_attempts": 256,
      "verification_passed": true
    },
    {
      "zero_bits": 12,
      "nonce": 6344,
      "attempts": 6345,
      "digest_hex": "00072143530dc0df",
      "ideal_expected_attempts": 4096,
      "verification_passed": true
    },
    {
      "zero_bits": 16,
      "nonce": 68447,
      "attempts": 68448,
      "digest_hex": "0000b376d027c93a",
      "ideal_expected_attempts": 65536,
      "verification_passed": true
    }
  ],
  "missing_targets": [],
  "interpretation": "One deterministic example, not a statistical validation or security proof"
}