{
  "schema": 1,
  "started_at": "2026-09-04T16:38:31.429446+00:00",
  "source_path": "/Users/akinori/Desktop/Windows 11.pvm",
  "work_root": "/Volumes/WorkDisk/MetalArchiverWindows11CompetitorBenchmark-20260905",
  "source": {
    "root_name": "Windows 11.pvm",
    "entries": 27,
    "files": 21,
    "directories": 6,
    "symlinks": 0,
    "bytes": 58432123901,
    "manifest_sha256": "62881144abdf503368a95fd161e01b596d8449bfe0f75bd1e1c8a5f4418dabdd"
  },
  "host": {
    "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O",
    "machine": "arm64"
  },
  "measurement": {
    "runs_per_product": 1,
    "path": "source on internal SSD; archive/extraction/logs on WorkDisk",
    "timing": "wall clock around product command/API; verification excluded"
  },
  "tools": {
    "Keka": {
      "version": "1.6.7",
      "sha256": "759d37ca17f04a343b69f767513c9fe69143103bc721304eca3baf99dc186044"
    },
    "BetterZip": {
      "version": "6.0.5"
    },
    "7-Zip": {
      "version": ""
    },
    "Info-ZIP": {
      "version": "Copyright (c) 1990-2008 Info-ZIP - Type 'zip \"-L\"' for software license."
    },
    "ditto": {
      "version": "26.6.2"
    }
  },
  "references": [
    {
      "product": "MetalArchiver V5 (2026-09-04 reference)",
      "create_seconds": 23.318505,
      "throughput_gib_s": 2.3337326330195682,
      "archive_bytes": 30154930215,
      "note": "resident process, median of 3 measured runs after 1 warm-up; 7-Zip verified"
    },
    {
      "product": "7-Zip 26.02 (2026-09-04 reference)",
      "create_seconds": 2467.71,
      "throughput_gib_s": 0.022052492420799024,
      "archive_bytes": 28678901461,
      "note": "single process-start-inclusive run; Everything is Ok"
    }
  ],
  "results": [
    {
      "product": "Keka 1.6.7",
      "status": "success",
      "started_at": "2026-09-04T16:38:31.456354+00:00",
      "create_seconds": 3035.019906082991,
      "archive_bytes": 28678901641,
      "archive_sha256": "4b440066aa94064f1d5d282d0434d886161c7d530288eda95aa0ae6490069e8b",
      "test_seconds": 141.6982535420102,
      "extract_seconds": 159.3973960000003,
      "completed_at": "2026-09-04T17:34:41.625687+00:00",
      "verification": "7-Zip test passed; full path, size, type, symlink-target, and SHA-256 manifest matched",
      "restored": {
        "root_name": "Windows 11.pvm",
        "entries": 27,
        "files": 21,
        "directories": 6,
        "symlinks": 0,
        "bytes": 58432123901,
        "manifest_sha256": "62881144abdf503368a95fd161e01b596d8449bfe0f75bd1e1c8a5f4418dabdd"
      }
    },
    {
      "product": "BetterZip 6.0.5",
      "status": "success",
      "started_at": "2026-09-04T17:39:01.945782+00:00",
      "create_seconds": 630.98317675,
      "archive_bytes": 29449415377,
      "archive_sha256": "f3dd69318e4d53eac7d8624201ed7545fd7f706d3ae2f0bc14568d66e4fec1dd",
      "test_seconds": 149.12845637500868,
      "extract_seconds": 182.37674520799192,
      "completed_at": "2026-09-04T17:55:40.880393+00:00",
      "verification": "7-Zip test passed; full path, size, type, symlink-target, and SHA-256 manifest matched",
      "restored": {
        "root_name": "Windows 11.pvm",
        "entries": 27,
        "files": 21,
        "directories": 6,
        "symlinks": 0,
        "bytes": 58432123901,
        "manifest_sha256": "62881144abdf503368a95fd161e01b596d8449bfe0f75bd1e1c8a5f4418dabdd"
      }
    },
    {
      "product": "Apple ditto",
      "status": "failed",
      "started_at": "2026-09-04T17:55:43.759340+00:00",
      "create_seconds": 863.962925957996,
      "archive_bytes": 29285472451,
      "archive_sha256": "51fbde1292a315f53e678e38b1a6df665e0d454c5ed3bee203b43b8a5a928298",
      "completed_at": "2026-09-04T18:12:43.582651+00:00",
      "error": "command exited 2: /opt/homebrew/bin/7zz t -bd -bb0 /Volumes/WorkDisk/MetalArchiverWindows11CompetitorBenchmark-20260905/apple-ditto.zip\n$ /opt/homebrew/bin/7zz t -bd -bb0 /Volumes/WorkDisk/MetalArchiverWindows11CompetitorBenchmark-20260905/apple-ditto.zip\n\n\n7-Zip (z) 26.02 (arm64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-06-25\n 64-bit arm_v:8.5-A locale=C.UTF-8 Threads:16 OPEN_MAX:1048575, ASM\n\nScanning the drive for archives:\n1 file, 29285472451 bytes (28 GiB)\n\nTesting archive: /Volumes/WorkDisk/MetalArchiverWindows11CompetitorBenchmark-20260905/apple-ditto.zip\n\nERRORS:\nHeaders Error\n\n\nWARNINGS:\n32-bit overflow in headers\n\n--\nPath = /Volumes/WorkDisk/MetalArchiverWindows11CompetitorBenchmark-20260905/apple-ditto.zip\nType = zip\nERRORS:\nHeaders Error\nWARNING = 32-bit overflow in headers\nPhysical Size = 29285472451\nCharacteristics = Local Central\n\n\n\nArchives with Errors: 1\n\nWarnings: 1\n\nOpen Errors: 1\n\n"
    },
    {
      "product": "Info-ZIP 3.0",
      "status": "success",
      "started_at": "2026-09-04T18:12:44.250418+00:00",
      "create_seconds": 1178.5407428749895,
      "archive_bytes": 29163883711,
      "archive_sha256": "80a6e30bd95dfd0f2492fe747cbbd3ac58d6f7ccad8bc84a351bb1ad8d4ae694",
      "test_seconds": 140.57548625000345,
      "extract_seconds": 249.2832469999994,
      "completed_at": "2026-09-04T18:39:26.368373+00:00",
      "verification": "7-Zip test passed; full path, size, type, symlink-target, and SHA-256 manifest matched",
      "restored": {
        "root_name": "Windows 11.pvm",
        "entries": 27,
        "files": 21,
        "directories": 6,
        "symlinks": 0,
        "bytes": 58432123901,
        "manifest_sha256": "62881144abdf503368a95fd161e01b596d8449bfe0f75bd1e1c8a5f4418dabdd"
      }
    }
  ],
  "updated_at": "2026-09-04T18:39:27.940285+00:00",
  "resumed_at": "2026-09-04T17:39:01.945086+00:00",
  "completed_at": "2026-09-04T18:39:27.940280+00:00"
}