{
    "model": {
        "rank": 13654,
        "code": "thing-q401402",
        "model_id": "vr.tr.nephritis",
        "name": "nephritis",
        "purpose": "Let an agent explain nephritis in general terms, relay types, causes, symptoms, tests and treatment approaches from nephrology sources, route urgent signs, describe the named forms and flag the registry misclassification, and distinguish nephritis from nephrotic syndrome, pyelonephritis as infection, acute kidney injury and kidney stones, without diagnosing individuals.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.KNW",
        "industry": "",
        "version": "",
        "url": "/models/thing/q401402/",
        "tier": 2,
        "score": 37,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Bright's disease",
                "glomerulonephritis",
                "Shunt nephritis",
                "autoimmune glomerulonephritis",
                "IgA glomerulonephritis",
                "acute poststreptococcal glomerulonephritis",
                "fibrillary glomerulonephritis",
                "rapidly progressive glomerulonephritis",
                "lupus nephritis",
                "exudative glomerulonephritis",
                "proliferative glomerulonephritis",
                "focal embolic glomerulonephritis",
                "diffuse glomerulonephritis",
                "subacute glomerulonephritis",
                "immune-complex glomerulonephritis",
                "endocapillary proliferative glomerulonephritis",
                "glomerulosclerosis",
                "immunotactoid glomerulopathy",
                "Minimal mesangial glomerulonephritis",
                "pulmonary-renal syndrome",
                "Iga nephropathy, susceptibility to, 3; IGAN3",
                "chronic rapidly progressive glomerulonephritis",
                "acute glomerulonephritis with lesion of rapidly progressive glomerulonephritis",
                "mesangial proliferative glomerulonephritis",
                "Diffuse proliferative nephritis",
                "Focal proliferative nephritis",
                "renal fibrosis",
                "C1q nephropathy"
            ],
            "aliasCount": 28,
            "merged": 28,
            "knownIn": 37,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q401402",
                "url": "https://www.wikidata.org/wiki/Q401402",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-14T01:02:47Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 4,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q401402",
                "registryId": "vr.tr.nephritis",
                "name": "nephritis",
                "version": "0.2.0-wave.4",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.KNW"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q401402/",
            "model": {
                "registry_id": "vr.tr.nephritis",
                "name": "nephritis",
                "purpose": "Let an agent explain nephritis in general terms, relay types, causes, symptoms, tests and treatment approaches from nephrology sources, route urgent signs, describe the named forms and flag the registry misclassification, and distinguish nephritis from nephrotic syndrome, pyelonephritis as infection, acute kidney injury and kidney stones, without diagnosing individuals.",
                "definition": "Inflammation of the kidneys, affecting the glomeruli, tubules or interstitium, with glomerulonephritis as a major group that includes forms the registry aliases name such as IgA nephropathy, the most common primary glomerulonephritis in many countries, acute post-streptococcal glomerulonephritis after throat or skin infections, autoimmune glomerulonephritis as in lupus, and shunt nephritis linked to infected ventriculoatrial shunts, while Bright s disease is a historical term after Richard Bright, who described kidney disease in 1827; the registry files nephritis as a urological symptom, which is inaccurate since it is a disease process. Nephritis can cause blood or protein in urine, swelling, high blood pressure and kidney failure, and reduced urine, marked swelling or breathlessness needs urgent care.",
                "what_it_is_for": "Not applicable; a disease group.",
                "affordances": [
                    "explain types and causes",
                    "relay symptoms and tests",
                    "describe named forms",
                    "route urgent signs"
                ],
                "distinguishing_features": [
                    "Kidney inflammation",
                    "Blood and protein in urine",
                    "Immune and infectious causes",
                    "Biopsy often needed"
                ],
                "appearance": "Not visible externally; may show as dark or foamy urine and swelling of legs or face.",
                "visual_identification": [
                    "Inflammation of the kidneys",
                    "Bright s disease, glomerulonephritis, shunt nephritis, autoimmune glomerulonephritis, IgA glomerulonephritis, acute poststreptococcal glomerulonephritis",
                    "Nephrotic syndrome is heavy protein loss; pyelonephritis is kidney infection; acute kidney injury is sudden function loss; stones are mineral deposits"
                ],
                "physical_properties": [
                    {
                        "quantity": "Bright description",
                        "typical_range": "1827",
                        "unit": "year",
                        "note": "Richard Bright"
                    },
                    {
                        "quantity": "IgA nephropathy",
                        "typical_range": "described 1968",
                        "unit": "note",
                        "note": "Berger"
                    },
                    {
                        "quantity": "registry parent",
                        "typical_range": "urological symptom",
                        "unit": "note",
                        "note": "inaccurate"
                    }
                ],
                "families_and_kinds": [
                    "glomerulonephritis",
                    "interstitial nephritis",
                    "lupus nephritis",
                    "hereditary nephritis such as Alport syndrome"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "kidney disease",
                        "why": "related, registry parent inaccurate"
                    },
                    {
                        "relation": "includes",
                        "target": "IgA nephropathy",
                        "why": ""
                    },
                    {
                        "relation": "can cause",
                        "target": "chronic kidney disease",
                        "why": ""
                    },
                    {
                        "relation": "is contrasted with",
                        "target": "nephrotic syndrome",
                        "why": ""
                    }
                ],
                "identifiers": [],
                "standards_and_regulation": [
                    "KDIGO glomerular disease guidelines"
                ],
                "failure_modes_and_hazards": [
                    "Missing rapidly progressive disease",
                    "Drug-induced interstitial nephritis",
                    "Misclassification as a symptom"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "understand",
                        "name": "Understand",
                        "description": "What nephritis is.",
                        "rationale": "Science.",
                        "layers": [
                            {
                                "id": "definition",
                                "name": "Definition",
                                "description": "Definition.",
                                "findings": [
                                    {
                                        "id": "definition-finding",
                                        "name": "Definition",
                                        "description": "Definition.",
                                        "questions": [
                                            {
                                                "text": "Is there very little urine, marked swelling, breathlessness, confusion or very high blood pressure, in which case seek urgent medical care?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "What is nephritis, and how does it differ from nephrotic syndrome, pyelonephritis, acute kidney injury and kidney stones?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "forms",
                                "name": "Forms",
                                "description": "Named forms.",
                                "findings": [
                                    {
                                        "id": "forms-finding",
                                        "name": "Forms",
                                        "description": "Forms.",
                                        "questions": [
                                            {
                                                "text": "What are IgA, post-streptococcal, autoimmune and shunt glomerulonephritis, and what was Bright s disease?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which entry fits the specific form?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "mechanism",
                        "name": "Mechanism",
                        "description": "Mechanism.",
                        "rationale": "Science.",
                        "layers": [
                            {
                                "id": "immune",
                                "name": "Immune",
                                "description": "Immune mechanisms.",
                                "findings": [
                                    {
                                        "id": "immune-finding",
                                        "name": "Immune",
                                        "description": "Immune.",
                                        "questions": [
                                            {
                                                "text": "How do immune complexes and antibodies inflame glomeruli?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which references are standard?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "drugs",
                                "name": "Drugs",
                                "description": "Interstitial nephritis.",
                                "findings": [
                                    {
                                        "id": "drugs-finding",
                                        "name": "Drugs",
                                        "description": "Drugs.",
                                        "questions": [
                                            {
                                                "text": "Which medicines are reported to cause interstitial nephritis?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which sources are cited?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "clinical",
                        "name": "Clinical",
                        "description": "Tests and treatment.",
                        "rationale": "Attribution.",
                        "layers": [
                            {
                                "id": "tests",
                                "name": "Tests",
                                "description": "Tests.",
                                "findings": [
                                    {
                                        "id": "tests-finding",
                                        "name": "Tests",
                                        "description": "Tests.",
                                        "questions": [
                                            {
                                                "text": "How are urine tests, blood tests and biopsy used?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "text": "Which entry fits kidney biopsy?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "treatment",
                                "name": "Treatment",
                                "description": "Treatment approaches.",
                                "findings": [
                                    {
                                        "id": "treatment-finding",
                                        "name": "Treatment",
                                        "description": "Treatment.",
                                        "questions": [
                                            {
                                                "text": "What treatment approaches do KDIGO guidelines describe in general terms, with recommendations attributed?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is the information current?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "context",
                        "name": "Context",
                        "description": "History.",
                        "rationale": "Sources.",
                        "layers": [
                            {
                                "id": "bright",
                                "name": "Bright",
                                "description": "Richard Bright.",
                                "findings": [
                                    {
                                        "id": "bright-finding",
                                        "name": "Bright",
                                        "description": "Bright.",
                                        "questions": [
                                            {
                                                "text": "How did Richard Bright link proteinuria to kidney disease?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits Richard Bright?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "data",
                                "name": "Data quality",
                                "description": "Classification.",
                                "findings": [
                                    {
                                        "id": "data-finding",
                                        "name": "Data quality",
                                        "description": "Data quality.",
                                        "questions": [
                                            {
                                                "text": "Why is nephritis a disease rather than a symptom in classifications such as ICD?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is the presentation neutral and attributed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "The registry parent urological symptom should be corrected to a kidney disease class",
                "Should shunt nephritis be a separate entry?",
                "How should KDIGO guidelines be linked and kept current?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "disease or condition",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a nephritis, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent explain nephritis in general terms, relay types, causes, symptoms, tests and treatment approaches from nephrology sources, route urgent signs, describe the named forms and flag the registry misclassification, and distinguish nephritis from nephrotic syndrome, pyelonephritis as infection, acute kidney injury and kidney stones, without diagnosing individuals.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Bright's disease, glomerulonephritis, Shunt nephritis, autoimmune glomerulonephritis, IgA glomerulonephritis, acute poststreptococcal glomerulonephritis, fibrillary glomerulonephritis, rapidly progressive glomerulonephritis, lupus nephritis, exudative glomerulonephritis, proliferative glomerulonephritis, focal embolic glomerulonephritis.",
                "28 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 37 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a nephritis, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "read it and act on what it says"
            ],
            "howItIsRecognised": [
                "Recognised by criteria applied to signs and findings, not by appearance. Two conditions can look identical and be distinguished only by test."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Bright's disease",
                        "glomerulonephritis",
                        "Shunt nephritis",
                        "autoimmune glomerulonephritis",
                        "IgA glomerulonephritis",
                        "acute poststreptococcal glomerulonephritis",
                        "fibrillary glomerulonephritis",
                        "rapidly progressive glomerulonephritis",
                        "lupus nephritis",
                        "exudative glomerulonephritis",
                        "proliferative glomerulonephritis",
                        "focal embolic glomerulonephritis"
                    ]
                }
            ],
            "standing": "Described in 37 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 28 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one nephritis from another, and a nephritis from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a nephritis sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a nephritis from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a nephritis passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a nephritis between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a nephritis, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a nephritis is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a nephritis says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a nephritis contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a nephritis and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "diagnosis-and-criteria",
                        "name": "Diagnosis, criteria and coding",
                        "description": "What makes a case of nephritis a case, and under which revision.",
                        "rationale": "Criteria change between revisions, so a diagnosis without its coding revision cannot be compared with a later one.",
                        "layers": [
                            {
                                "id": "criteria",
                                "name": "Diagnostic criteria",
                                "description": "The criteria in force and who issues them.",
                                "findings": [
                                    {
                                        "id": "criteria-record",
                                        "name": "Criteria, issuer and revision",
                                        "description": "What must be true for a diagnosis, according to whom.",
                                        "questions": [
                                            {
                                                "id": "criteria-record-q01",
                                                "text": "What criteria define nephritis, issued by which body, in which revision?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "criteria-record-q02",
                                                "text": "What changed between revisions that would reclassify existing cases?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "coding",
                                "name": "Coding and terminology",
                                "description": "The codes used to record it and their mapping.",
                                "findings": [
                                    {
                                        "id": "coding-record",
                                        "name": "Codes and mappings",
                                        "description": "Which classification codes apply and how they map.",
                                        "questions": [
                                            {
                                                "id": "coding-record-q01",
                                                "text": "Which classification and terminology codes cover nephritis, and how do they map to each other?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "coding-record-q02",
                                                "text": "What is lost when a case is mapped from one scheme to another?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "course-and-population",
                        "name": "Course, population and care",
                        "description": "How nephritis develops, whom it affects, and what is done about it.",
                        "rationale": "The condition, the diagnosis and the episode of care are three different things, and an agent must not merge them.",
                        "layers": [
                            {
                                "id": "course",
                                "name": "Course and stages",
                                "description": "Onset, progression, remission and outcome.",
                                "findings": [
                                    {
                                        "id": "course-record",
                                        "name": "Stages and transitions",
                                        "description": "The stages recorded and what moves a case between them.",
                                        "questions": [
                                            {
                                                "id": "course-record-q01",
                                                "text": "What course does nephritis typically take, and what marks each stage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "course-record-q02",
                                                "text": "What separates the condition itself from an episode of care for it?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "population",
                                "name": "Affected populations",
                                "description": "Who is affected, how often, and on what evidence.",
                                "findings": [
                                    {
                                        "id": "epidemiology",
                                        "name": "Prevalence and its basis",
                                        "description": "Rates with their population, period and source.",
                                        "questions": [
                                            {
                                                "id": "epidemiology-q01",
                                                "text": "What prevalence or incidence is reported for nephritis, in which population and period?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "epidemiology-q02",
                                                "text": "What may an agent not conclude about an individual from a population rate?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a nephritis came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a nephritis and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a nephritis is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a nephritis, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a nephritis, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a nephritis is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}