{
  "scope": "Current SCAN target-throughput v4 matrix only; historical v3/closed tables unchanged",
  "action": "Withdraw numeric fields from two rows; retain source reports and raw evidence unchanged",
  "reason": "Neither original transcript proves that all four VMA listeners observed Logon; later cold-report controls establish this is a real qualification requirement",
  "inference_limit": "Missing historical evidence does not prove which listeners actually handled that old workload. New concentration observations are not retroactively assigned to old runs.",
  "retained_observations": [
    {
      "cell": "cpp/vma/shard",
      "previous_row": {
        "flavour": "cpp",
        "transport": "vma",
        "scenario": "shard",
        "p50_us": "10.136",
        "p99_us": "30.794",
        "p999_us": "41.055",
        "max_us": "68.851",
        "sessions": "32/32",
        "status": "partial",
        "target_per_sec": "1562.5",
        "achieved_per_sec": "1562",
        "resp_p50_us": "11.048",
        "resp_p99_us": "31.809",
        "resp_p999_us": "42.013",
        "resp_max_us": "69.792"
      },
      "original_public_report": "open-sweep-scan-provider-corrections-shard-v4.json",
      "original_evidence": "/home/yann/libhft-bench-runs/provider-corrections-rerun-20260908-PNfKFd/cpp-vma-shard/shard/cpp/vma/attempt-5z_lzcyt/run",
      "qualification_problem": "C++/VMA shard participation: C++/VMA listeners without successful Logon: 0,1,2,3",
      "input_sha256": {
        "/home/yann/code/libhft/docs/bench/open-sweep-scan-provider-corrections-shard-v4.json": "87578a2be2e3ae052840bad4f422de818cd7ff47958459d748f1d96a869f45cf",
        "/home/yann/libhft-bench-runs/provider-corrections-rerun-20260908-PNfKFd/cpp-vma-shard/shard/cpp/vma/attempt-5z_lzcyt/run/recipe.txt": "35cd7d140776f90ddd04774804f52c52db35369d8e62ac93900744bc3328a72e",
        "/home/yann/libhft-bench-runs/provider-corrections-rerun-20260908-PNfKFd/cpp-vma-shard/shard/cpp/vma/attempt-5z_lzcyt/run/transcript.log": "2a6f6ecc99ecfd5d1974a888cb047985688ba19ea4a2e874996997f6667d7054"
      }
    },
    {
      "cell": "java-pure/vma/shard",
      "previous_row": {
        "flavour": "java-pure",
        "transport": "vma",
        "scenario": "shard",
        "p50_us": "17.785",
        "p99_us": "21.943",
        "p999_us": "23.615",
        "max_us": "618.293",
        "sessions": "32/32",
        "status": "partial",
        "target_per_sec": "1562.5",
        "achieved_per_sec": "1562",
        "resp_p50_us": "18.499",
        "resp_p99_us": "23.921",
        "resp_p999_us": "24.944",
        "resp_max_us": "620.305"
      },
      "original_public_report": "java-pure-vma-shard-fixed-scan-20260910.json",
      "original_evidence": "/tmp/libhft-java-shards-20260910-ffC4Df/java-pure-vma-shard-fixed/shard/java-pure/vma/attempt-qsi1dnpd/run",
      "qualification_problem": "Java/VMA shard participation: missing Java shard readiness/participation evidence",
      "input_sha256": {
        "/home/yann/code/libhft/docs/bench/java-pure-vma-shard-fixed-scan-20260910.json": "1a778d1d33b9b37de192d04b5fe8351e4733917f1eaa159f4de5455075cf5f6d",
        "/tmp/libhft-java-shards-20260910-ffC4Df/java-pure-vma-shard-fixed/shard/java-pure/vma/attempt-qsi1dnpd/run/recipe.txt": "1b055eb883709fe8faed9d879c41df71c84da37a0c1ccbdc425b0594a04e8421",
        "/tmp/libhft-java-shards-20260910-ffC4Df/java-pure-vma-shard-fixed/shard/java-pure/vma/attempt-qsi1dnpd/run/transcript.log": "34fb6685710616f4d54cf61bad0e306d5314679811ee93a6e2801be1b74ecefd"
      }
    }
  ],
  "table_before_sha256": "519ab96696c5d5d06b568fc51702d7c0c5e22732b11069e024241750b524f792"
}