{
  "kind": "semiotic-hra-wpp-kidney-pilot",
  "schemaVersion": 1,
  "source": {
    "purl": "https://purl.humanatlas.io/asct-b/kidney/v1.6",
    "version": "v1.6",
    "creationDate": "2026-06-08",
    "publisher": "HuBMAP",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "seeAlso": "https://lod.humanatlas.io/asct-b/kidney/v1.6",
    "derivedFrom": "https://lod.humanatlas.io/asct-b/kidney/v1.6#raw-data"
  },
  "methodology": {
    "scope": "Observed direct children of kidney (UBERON:0002113)",
    "identity": "Ontology identifiers are semantic keys; labels are display text only.",
    "aggregation": "For each ASCT+B record, distinct cell types are associated with every anatomical structure in that record's path, then deduplicated per structure.",
    "caveats": [
      "Counts are set memberships and are not additive across anatomical structures.",
      "A record can contribute to more than one hierarchy path.",
      "Parent and descendant rows must not be ranked together as independent categories."
    ]
  },
  "summary": {
    "recordCount": 78,
    "declaredAnatomicalStructureCount": 67,
    "observedAnatomicalStructureCount": 61,
    "declaredCellTypeCount": 72,
    "observedCellTypeCount": 70,
    "provisionalAnatomicalStructureCount": 2,
    "provisionalCellTypeCount": 3
  },
  "chartRows": [
    {
      "anatomicalStructureId": "UBERON:0001285",
      "anatomicalStructureLabel": "nephron",
      "displayLabel": "nephron · UBERON:0001285",
      "cellTypeCount": 25,
      "temporaryCellTypeCount": 0,
      "recordCount": 25,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0005215",
      "anatomicalStructureLabel": "Interstitium",
      "displayLabel": "Interstitium · UBERON:0005215",
      "cellTypeCount": 22,
      "temporaryCellTypeCount": 1,
      "recordCount": 21,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0004100",
      "anatomicalStructureLabel": "renal collecting system",
      "displayLabel": "renal collecting system · UBERON:0004100",
      "cellTypeCount": 11,
      "temporaryCellTypeCount": 1,
      "recordCount": 12,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0006544",
      "anatomicalStructureLabel": "Vessels",
      "displayLabel": "Vessels · UBERON:0006544",
      "cellTypeCount": 10,
      "temporaryCellTypeCount": 0,
      "recordCount": 10,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0000362",
      "anatomicalStructureLabel": "renal medulla",
      "displayLabel": "renal medulla · UBERON:0000362",
      "cellTypeCount": 4,
      "temporaryCellTypeCount": 0,
      "recordCount": 5,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0001225",
      "anatomicalStructureLabel": "cortex of kidney",
      "displayLabel": "cortex of kidney · UBERON:0001225",
      "cellTypeCount": 2,
      "temporaryCellTypeCount": 0,
      "recordCount": 4,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0001228",
      "anatomicalStructureLabel": "renal papilla",
      "displayLabel": "renal papilla · UBERON:0001228",
      "cellTypeCount": 2,
      "temporaryCellTypeCount": 0,
      "recordCount": 2,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0002015",
      "anatomicalStructureLabel": "kidney capsule",
      "displayLabel": "kidney capsule · UBERON:0002015",
      "cellTypeCount": 2,
      "temporaryCellTypeCount": 1,
      "recordCount": 1,
      "structureIsProvisional": false
    }
  ],
  "reviewRows": [
    {
      "anatomicalStructureId": "UBERON:0005215",
      "anatomicalStructureLabel": "Interstitium",
      "displayLabel": "Interstitium · UBERON:0005215",
      "cellTypeCount": 22,
      "temporaryCellTypeCount": 1,
      "recordCount": 21,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0004100",
      "anatomicalStructureLabel": "renal collecting system",
      "displayLabel": "renal collecting system · UBERON:0004100",
      "cellTypeCount": 11,
      "temporaryCellTypeCount": 1,
      "recordCount": 12,
      "structureIsProvisional": false
    },
    {
      "anatomicalStructureId": "UBERON:0002015",
      "anatomicalStructureLabel": "kidney capsule",
      "displayLabel": "kidney capsule · UBERON:0002015",
      "cellTypeCount": 2,
      "temporaryCellTypeCount": 1,
      "recordCount": 1,
      "structureIsProvisional": false
    }
  ],
  "findings": {
    "observedLabelCollisions": [
      {
        "label": "Endothelium (non glomerular)",
        "ids": [
          "UBERON:0001986",
          "UBERON:0002042",
          "UBERON:0012441"
        ]
      },
      {
        "label": "Loop of Henle (Thin Limb)",
        "ids": [
          "UBERON:0001289",
          "UBERON:0004193"
        ]
      },
      {
        "label": "Tubules",
        "ids": [
          "UBERON:0001231",
          "UBERON:0001232"
        ]
      }
    ],
    "hierarchyFailure": "Ranking the kidney root beside descendants makes the largest bar a hierarchy artifact and implies independent categories. The pilot therefore limits the chart to one explicit sibling scope."
  }
}