{
  "study": "BuyProxies sampled static GET follow-up 13-19 October 2026",
  "generated_at_utc": "2026-10-20T16:02:24.888534+00:00",
  "observation_period_complete": true,
  "planned_days": 7,
  "measured_days": 5,
  "missed_days": [
    "2026-10-14",
    "2026-10-19"
  ],
  "recorded_gets": 330,
  "direct_gets": 30,
  "proxied_gets": 300,
  "qualified_gets": 330,
  "failed_gets": 0,
  "unknown_or_unobserved_requests": "No observations for missed windows; no backfill",
  "method": {
    "body_limit_bytes": 65536,
    "expected_sha256": "6e1a497379a981e929a5cae79a1ad1cad0124219771fe73207b44fd32648b26e",
    "fresh_curl_process_per_request": true,
    "inter_cell_gap_seconds": 5,
    "inter_round_gap_seconds": 1,
    "level_order": [
      1,
      2,
      4
    ],
    "maximum_global_active_requests": 4,
    "method": "GET",
    "percentile": "nearest-rank ceil(0.95*n), qualified responses only",
    "plan": {
      "direct_requests": 6,
      "levels": {
        "1": 3,
        "2": 3,
        "4": 4
      },
      "proxy_count": 3,
      "rounds": 2,
      "timeout_seconds": 6
    },
    "redirects": 0,
    "retries": 0,
    "target": "https://buyproxies.org/wp-content/uploads/bp-guides-20261002/proxy-compatibility-matrix-20261012.json",
    "tls_verification": true,
    "total_get_cap": 66
  },
  "days": [
    {
      "date": "2026-10-13",
      "state": "COMPLETE",
      "planned_utc": "2026-10-13T16:01:50+00:00",
      "recorded_observations": 66,
      "qualified_observations": 66,
      "started_utc": "2026-10-13T16:01:50.047104+00:00",
      "finished_utc": "2026-10-13T16:03:01.133226+00:00",
      "adopted_original": true,
      "event_chain_head_sha256": "740e64deea17f690ef65e4e13bdc8b6224a9b2797d73a09a860510c85c5a62d6",
      "groups": {
        "direct": {
          "attempts": 6,
          "qualified": 6,
          "failures": 0,
          "median_total_ms": 138.928,
          "p95_total_ms": 593.772,
          "minimum_total_ms": 108.699,
          "maximum_total_ms": 593.772,
          "failure_categories": {}
        },
        "proxy_limit_1": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 395.457,
          "p95_total_ms": 917.899,
          "minimum_total_ms": 256.662,
          "maximum_total_ms": 917.899,
          "failure_categories": {}
        },
        "proxy_limit_2": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 348.447,
          "p95_total_ms": 600.298,
          "minimum_total_ms": 258.1,
          "maximum_total_ms": 600.298,
          "failure_categories": {}
        },
        "proxy_limit_4": {
          "attempts": 24,
          "qualified": 24,
          "failures": 0,
          "median_total_ms": 340.084,
          "p95_total_ms": 483.863,
          "minimum_total_ms": 261.728,
          "maximum_total_ms": 534.602,
          "failure_categories": {}
        }
      },
      "actual_claim_utc": null,
      "delay_seconds": null
    },
    {
      "date": "2026-10-14",
      "state": "MISSED",
      "planned_utc": "2026-10-14T16:00:00+00:00",
      "recorded_observations": 0,
      "qualified_observations": 0,
      "started_utc": null,
      "finished_utc": null,
      "adopted_original": false,
      "event_chain_head_sha256": "c8268a5dc56c939d1a705b38540851186d9075e16e2a6ae290785db03663f4f8",
      "groups": null,
      "actual_claim_utc": "2026-10-15T16:01:03.114131+00:00",
      "delay_seconds": 86463.114
    },
    {
      "date": "2026-10-15",
      "state": "COMPLETE",
      "planned_utc": "2026-10-15T18:00:00+00:00",
      "recorded_observations": 66,
      "qualified_observations": 66,
      "started_utc": "2026-10-15T18:06:36.182243+00:00",
      "finished_utc": "2026-10-15T18:07:48.798931+00:00",
      "adopted_original": false,
      "event_chain_head_sha256": "f9e0e7bd202ff3b0c723c22a385a43304e8bf631eb713e743fae0af395d02faa",
      "groups": {
        "direct": {
          "attempts": 6,
          "qualified": 6,
          "failures": 0,
          "median_total_ms": 152.089,
          "p95_total_ms": 699.694,
          "minimum_total_ms": 131.96,
          "maximum_total_ms": 699.694,
          "failure_categories": {}
        },
        "proxy_limit_1": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 361.373,
          "p95_total_ms": 925.579,
          "minimum_total_ms": 231.476,
          "maximum_total_ms": 925.579,
          "failure_categories": {}
        },
        "proxy_limit_2": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 378.571,
          "p95_total_ms": 1271.23,
          "minimum_total_ms": 232.144,
          "maximum_total_ms": 1271.23,
          "failure_categories": {}
        },
        "proxy_limit_4": {
          "attempts": 24,
          "qualified": 24,
          "failures": 0,
          "median_total_ms": 308.437,
          "p95_total_ms": 518.898,
          "minimum_total_ms": 234.145,
          "maximum_total_ms": 529.901,
          "failure_categories": {}
        }
      },
      "actual_claim_utc": "2026-10-15T18:06:34.216764+00:00",
      "delay_seconds": 394.217
    },
    {
      "date": "2026-10-16",
      "state": "COMPLETE",
      "planned_utc": "2026-10-16T16:00:00+00:00",
      "recorded_observations": 66,
      "qualified_observations": 66,
      "started_utc": "2026-10-16T16:02:45.633258+00:00",
      "finished_utc": "2026-10-16T16:03:56.910344+00:00",
      "adopted_original": false,
      "event_chain_head_sha256": "58b0c466a4226ff183c1d4c130e463c49ac81126d22833ba4353c294b20daf18",
      "groups": {
        "direct": {
          "attempts": 6,
          "qualified": 6,
          "failures": 0,
          "median_total_ms": 132.062,
          "p95_total_ms": 604.908,
          "minimum_total_ms": 110.745,
          "maximum_total_ms": 604.908,
          "failure_categories": {}
        },
        "proxy_limit_1": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 343.556,
          "p95_total_ms": 985.655,
          "minimum_total_ms": 254.153,
          "maximum_total_ms": 985.655,
          "failure_categories": {}
        },
        "proxy_limit_2": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 340.104,
          "p95_total_ms": 536.169,
          "minimum_total_ms": 264.35,
          "maximum_total_ms": 536.169,
          "failure_categories": {}
        },
        "proxy_limit_4": {
          "attempts": 24,
          "qualified": 24,
          "failures": 0,
          "median_total_ms": 313.962,
          "p95_total_ms": 544.222,
          "minimum_total_ms": 243.957,
          "maximum_total_ms": 573.061,
          "failure_categories": {}
        }
      },
      "actual_claim_utc": "2026-10-16T16:02:43.591513+00:00",
      "delay_seconds": 163.592
    },
    {
      "date": "2026-10-17",
      "state": "COMPLETE",
      "planned_utc": "2026-10-17T18:00:00+00:00",
      "recorded_observations": 66,
      "qualified_observations": 66,
      "started_utc": "2026-10-17T18:00:54.861385+00:00",
      "finished_utc": "2026-10-17T18:02:05.902570+00:00",
      "adopted_original": false,
      "event_chain_head_sha256": "16d216e172fac6854470c564619d75d7bf2405ff40ea861e4e722f742995128a",
      "groups": {
        "direct": {
          "attempts": 6,
          "qualified": 6,
          "failures": 0,
          "median_total_ms": 135.645,
          "p95_total_ms": 545.173,
          "minimum_total_ms": 124.931,
          "maximum_total_ms": 545.173,
          "failure_categories": {}
        },
        "proxy_limit_1": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 335.891,
          "p95_total_ms": 859.891,
          "minimum_total_ms": 263.996,
          "maximum_total_ms": 859.891,
          "failure_categories": {}
        },
        "proxy_limit_2": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 336.422,
          "p95_total_ms": 528.181,
          "minimum_total_ms": 273.686,
          "maximum_total_ms": 528.181,
          "failure_categories": {}
        },
        "proxy_limit_4": {
          "attempts": 24,
          "qualified": 24,
          "failures": 0,
          "median_total_ms": 323.399,
          "p95_total_ms": 543.631,
          "minimum_total_ms": 253.935,
          "maximum_total_ms": 544.793,
          "failure_categories": {}
        }
      },
      "actual_claim_utc": "2026-10-17T18:00:52.720186+00:00",
      "delay_seconds": 52.72
    },
    {
      "date": "2026-10-18",
      "state": "COMPLETE",
      "planned_utc": "2026-10-18T16:00:00+00:00",
      "recorded_observations": 66,
      "qualified_observations": 66,
      "started_utc": "2026-10-18T16:05:18.954337+00:00",
      "finished_utc": "2026-10-18T16:06:33.764385+00:00",
      "adopted_original": false,
      "event_chain_head_sha256": "32368269cb6d14d87acfe219e679da0ceba310d86436f01e1196953dbecd7947",
      "groups": {
        "direct": {
          "attempts": 6,
          "qualified": 6,
          "failures": 0,
          "median_total_ms": 149.448,
          "p95_total_ms": 713.509,
          "minimum_total_ms": 128.245,
          "maximum_total_ms": 713.509,
          "failure_categories": {}
        },
        "proxy_limit_1": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 436.958,
          "p95_total_ms": 923.612,
          "minimum_total_ms": 290.004,
          "maximum_total_ms": 923.612,
          "failure_categories": {}
        },
        "proxy_limit_2": {
          "attempts": 18,
          "qualified": 18,
          "failures": 0,
          "median_total_ms": 341.571,
          "p95_total_ms": 552.732,
          "minimum_total_ms": 270.163,
          "maximum_total_ms": 552.732,
          "failure_categories": {}
        },
        "proxy_limit_4": {
          "attempts": 24,
          "qualified": 24,
          "failures": 0,
          "median_total_ms": 330.294,
          "p95_total_ms": 557.026,
          "minimum_total_ms": 269.157,
          "maximum_total_ms": 574.164,
          "failure_categories": {}
        }
      },
      "actual_claim_utc": "2026-10-18T16:05:16.298942+00:00",
      "delay_seconds": 316.299
    },
    {
      "date": "2026-10-19",
      "state": "MISSED",
      "planned_utc": "2026-10-19T18:00:00+00:00",
      "recorded_observations": 0,
      "qualified_observations": 0,
      "started_utc": null,
      "finished_utc": null,
      "adopted_original": false,
      "event_chain_head_sha256": "8305ca8995510105bd7faaa55803f3ba0a96c42abff949567d81f116c1c780a7",
      "groups": null,
      "actual_claim_utc": "2026-10-20T15:58:29.678291+00:00",
      "delay_seconds": 79109.678
    }
  ],
  "limits": [
    "Same three reserved proxies; one static owned 10227-byte target; one Windows origin.",
    "Sampled daily response consistency only; no continuous uptime, capacity, pool or causal conclusions.",
    "Fixed direct/proxy/level order and uncontrolled caches; different windows do not isolate causes.",
    "Failures and misses are retained; no backfill, replay, retry or seven-success-day guarantee.",
    "TCP peaks are sampled; p95 uses nearest rank on qualified observations only."
  ],
  "endpoint_identities_included": false
}