{
  "source": {
    "data_url": "https://www.chemverify.com/tests/data.json",
    "dataset_landing_url": "https://www.chemverify.com/tests",
    "verified_retrieval_at_utc": "2026-11-12T11:24:41Z",
    "verified_retrieval_started_at_utc": "2026-11-12T11:24:41Z",
    "original_snapshot_file_saved_at_utc": "2026-11-12T11:22:24Z",
    "sha256": "451bee625402c1f15b7cf29ea6cbdf46d7bd915631aec9aef0753bca6c470ad8",
    "bytes": 118232,
    "verification": "Independent HTTPS GET returned bytes identical to the existing snapshot. The original snapshot timestamp is the local file modification time.",
    "name": "ChemVerify independent peptide lab tests",
    "citation": "ChemVerify (2026). Independent peptide lab tests [Data set]. https://www.chemverify.com/tests",
    "license_url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "method": "Descriptive field availability audit of every sample, nested report and nested result in this snapshot. Raw values were not imputed or changed.",
  "cohort": {
    "samples": 28,
    "reports": 104,
    "results": 216,
    "sample_analysed_at": {
      "first": "2026-09-02",
      "last": "2026-11-11"
    },
    "report_tested_at": {
      "first": "2026-08-28",
      "last": "2026-11-11"
    },
    "source_top_level_analysed_range": {
      "first": "2026-08-28",
      "last": "2026-11-11"
    },
    "source_range_matches_sample_analysed_dates": false,
    "source_range_matches_report_tested_dates": true,
    "distinct_vendor_slugs": 5,
    "largest_vendor_sample_count": 20,
    "distinct_laboratory_names": 1,
    "reports_per_sample_distribution": {
      "1": 1,
      "3": 5,
      "4": 22
    },
    "results_per_report_distribution": {
      "1": 51,
      "2": 23,
      "3": 1,
      "4": 29
    },
    "distinct_report_urls": 104
  },
  "numeric_values": {
    "results": 82,
    "samples_with_any": 26,
    "reports_with_any": 52,
    "with_populated_unit": 82,
    "explicit_zero": 0,
    "comparators": {
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      "gt": 1,
      "lt": 13
    }
  },
  "comparators_all_results": {
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    "gt": 1,
    "lt": 13
  },
  "result_method_differs_from_report_method_when_populated": 9,
  "reports_tested_on_different_day_from_sample_analysed": 65,
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      "field": "analysed_at",
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      "populated": 28,
      "json_null": 0,
      "missing_key": 0,
      "empty_string_or_container": 0,
      "numeric_zero": 0
    },
    {
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      "populated": 5,
      "json_null": 23,
      "missing_key": 0,
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    },
    {
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      "populated": 28,
      "json_null": 0,
      "missing_key": 0,
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    },
    {
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      "populated": 22,
      "json_null": 6,
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      "numeric_zero": 0
    },
    {
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      "populated": 28,
      "json_null": 0,
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    },
    {
      "level": "sample",
      "field": "ordered_at",
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      "json_null": 0,
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    },
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    },
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      "json_null": 0,
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    },
    {
      "level": "sample",
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      "populated": 28,
      "json_null": 0,
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    },
    {
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      "populated": 28,
      "json_null": 0,
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      "empty_string_or_container": 0,
      "numeric_zero": 0
    },
    {
      "level": "sample",
      "field": "received_at",
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    },
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    },
    {
      "level": "sample",
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    },
    {
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    },
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    },
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    },
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      "level": "sample",
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    },
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    },
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    },
    {
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    },
    {
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      "field": "tested_at",
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      "level": "result",
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    },
    {
      "level": "result",
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    },
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    },
    {
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    },
    {
      "level": "result",
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}