{
    "model": {
        "rank": 2914,
        "code": "thing-q127724",
        "model_id": "vr.tr.cataract",
        "name": "cataract",
        "purpose": "Let an agent explain cataract in general terms and point to eye care services, routing sudden vision changes to urgent care and giving no diagnosis.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.STA",
        "industry": "",
        "version": "",
        "url": "/models/thing/q127724/",
        "tier": 2,
        "score": 94,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "diabetic cataract",
                "metabolic disease with cataract",
                "cataract 45",
                "cataract 32 multiple types",
                "cataract 8 multiple types",
                "cataract 42",
                "cataract 41",
                "cataract 13 with adult i phenotype",
                "cataract 30",
                "cataract 25",
                "cataract 5 multiple types",
                "cataract 7",
                "cataract 35",
                "cataract 16 multiple types",
                "early-onset posterior subcapsular cataract",
                "cataract-glaucoma",
                "cataract 47",
                "cataract 48",
                "Glassblower's cataract",
                "Childhood cataract",
                "posterior polar cataract",
                "tetanic cataract",
                "myotonic cataract",
                "senile cataract",
                "cataract 34 multiple types",
                "cataract 1 multiple types",
                "cataract 29",
                "cataract 27",
                "cataract 4 multiple types",
                "cataract 2 multiple types",
                "cataract 39 multiple types",
                "cataract 18",
                "cataract 12 multiple types",
                "cataract 20 multiple types",
                "cataract 46 juvenile-onset",
                "cataract 28",
                "cataract 38",
                "cataract 26 multiple types",
                "cataract 36",
                "cataract 15 multiple types"
            ],
            "aliasCount": 70,
            "merged": 70,
            "knownIn": 94,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.cataract",
            "source": {
                "dataset": "wikidata",
                "item": "Q127724",
                "url": "https://www.wikidata.org/wiki/Q127724",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-11T10:49:39Z",
                "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": 1,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q127724",
                "registryId": "vr.tr.cataract",
                "name": "cataract",
                "version": "0.2.0-wave.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.STA"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q127724/",
            "model": {
                "registry_id": "vr.tr.cataract",
                "name": "cataract",
                "purpose": "Let an agent explain cataract in general terms and point to eye care services, routing sudden vision changes to urgent care and giving no diagnosis.",
                "definition": "A clouding of the lens of the eye that causes blurred or dim vision, glare and faded colours, most often age-related but also congenital, traumatic or linked to diabetes or medicines; commonly treated by surgery that replaces the lens.",
                "what_it_is_for": "A common, treatable cause of vision loss.",
                "affordances": [
                    "explain what cataract is in general terms",
                    "find eye tests and referral routes",
                    "understand surgery in general terms",
                    "find driving vision rules"
                ],
                "distinguishing_features": [
                    "Clouding of the lens",
                    "Usually gradual",
                    "Very common with age",
                    "Treatable by surgery"
                ],
                "appearance": "A cloudy or milky lens, sometimes visible in the pupil in advanced cases.",
                "visual_identification": [
                    "Gradual blurring and glare",
                    "Diagnosed by eye examination",
                    "Cataract as a waterfall is a different sense"
                ],
                "physical_properties": [],
                "families_and_kinds": [
                    "age-related cataract",
                    "congenital cataract",
                    "traumatic cataract",
                    "diabetic and secondary cataract",
                    "inherited cataract types"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "lens disease",
                        "why": "category"
                    },
                    {
                        "relation": "affects",
                        "target": "eye lens",
                        "why": "anatomy"
                    },
                    {
                        "relation": "is treated by",
                        "target": "cataract surgery",
                        "why": "treatment"
                    },
                    {
                        "relation": "is confused with",
                        "target": "cataract (waterfall)",
                        "why": "another sense"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "ICD-11",
                        "value_or_pattern": "9B10",
                        "note": "age-related cataract"
                    }
                ],
                "standards_and_regulation": [
                    "Clinical guidelines for cataract surgery",
                    "Driving vision standards"
                ],
                "failure_modes_and_hazards": [
                    "Ignoring sudden vision loss",
                    "Agents diagnosing eye conditions",
                    "Driving with poor vision"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "urgent",
                        "name": "Urgent",
                        "description": "Sudden changes.",
                        "rationale": "Sudden changes need urgent care.",
                        "layers": [
                            {
                                "id": "sudden",
                                "name": "Sudden",
                                "description": "Vision loss.",
                                "findings": [
                                    {
                                        "id": "sudden-finding",
                                        "name": "Sudden",
                                        "description": "Sudden vision changes.",
                                        "questions": [
                                            {
                                                "text": "Is vision loss sudden, painful or accompanied by flashes or a curtain?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "Which urgent eye or emergency service should be contacted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "diagnosis",
                                "name": "Diagnosis",
                                "description": "Eye examination.",
                                "findings": [
                                    {
                                        "id": "diagnosis-finding",
                                        "name": "Diagnosis",
                                        "description": "Diagnosis limit.",
                                        "questions": [
                                            {
                                                "text": "Is the user asking the agent to diagnose their vision?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "How can they book an eye test?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition",
                        "name": "Condition",
                        "description": "General information.",
                        "rationale": "General information helps.",
                        "layers": [
                            {
                                "id": "what",
                                "name": "What",
                                "description": "Explanation.",
                                "findings": [
                                    {
                                        "id": "what-finding",
                                        "name": "What",
                                        "description": "Explanation.",
                                        "questions": [
                                            {
                                                "text": "What is a cataract, according to reliable health sources?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "What are common risk factors?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "children",
                                "name": "Children",
                                "description": "Congenital cataract.",
                                "findings": [
                                    {
                                        "id": "children-finding",
                                        "name": "Children",
                                        "description": "Children.",
                                        "questions": [
                                            {
                                                "text": "Is a child with a white pupil reflex being seen urgently by a specialist?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "Which service should be contacted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "treatment",
                        "name": "Treatment",
                        "description": "Surgery.",
                        "rationale": "Clinicians decide treatment.",
                        "layers": [
                            {
                                "id": "surgery",
                                "name": "Surgery",
                                "description": "General terms.",
                                "findings": [
                                    {
                                        "id": "surgery-finding",
                                        "name": "Surgery",
                                        "description": "Surgery.",
                                        "questions": [
                                            {
                                                "text": "What does cataract surgery involve, in general terms?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "How is referral arranged here?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "recovery",
                                "name": "Recovery",
                                "description": "After surgery.",
                                "findings": [
                                    {
                                        "id": "recovery-finding",
                                        "name": "Recovery",
                                        "description": "Recovery.",
                                        "questions": [
                                            {
                                                "text": "What aftercare do clinicians usually give?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which symptoms after surgery need urgent review?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "living",
                        "name": "Living",
                        "description": "Daily life.",
                        "rationale": "Vision affects daily life.",
                        "layers": [
                            {
                                "id": "driving",
                                "name": "Driving",
                                "description": "Rules.",
                                "findings": [
                                    {
                                        "id": "driving-finding",
                                        "name": "Driving",
                                        "description": "Driving rules.",
                                        "questions": [
                                            {
                                                "text": "Do driving vision standards apply, and must the authority be told?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Where is the official guidance?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "support",
                                "name": "Support",
                                "description": "Sight loss support.",
                                "findings": [
                                    {
                                        "id": "support-finding",
                                        "name": "Support",
                                        "description": "Sight loss support.",
                                        "questions": [
                                            {
                                                "text": "Which organisations support people with sight loss?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "What aids are available?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should cataract types be separate entries?",
                "How should eye services be localised?",
                "How should the waterfall sense be split off?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "abstract concept",
            "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 cataract, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent explain cataract in general terms and point to eye care services, routing sudden vision changes to urgent care and giving no diagnosis.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: diabetic cataract, metabolic disease with cataract, cataract 45, cataract 32 multiple types, cataract 8 multiple types, cataract 42, cataract 41, cataract 13 with adult i phenotype, cataract 30, cataract 25, cataract 5 multiple types, cataract 7.",
                "70 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 94 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 cataract, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "an abstraction with no physical instance",
            "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": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about."
            ],
            "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": [
                        "diabetic cataract",
                        "metabolic disease with cataract",
                        "cataract 45",
                        "cataract 32 multiple types",
                        "cataract 8 multiple types",
                        "cataract 42",
                        "cataract 41",
                        "cataract 13 with adult i phenotype",
                        "cataract 30",
                        "cataract 25",
                        "cataract 5 multiple types",
                        "cataract 7"
                    ]
                }
            ],
            "standing": "Described in 94 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 70 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 cataract from another, and a cataract 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 cataract, 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 cataract, 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 cataract 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 cataract, 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 cataract, 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 cataract 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 cataract 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 cataract, 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 cataract, 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 cataract 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 cataract from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a cataract, 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 cataract, 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 cataract 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 cataract 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 cataract between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a cataract, 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 cataract, 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 cataract 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 cataract, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a cataract 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 cataract, 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 cataract, 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 cataract is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "definitions-in-contest",
                        "name": "Definitions and who holds them",
                        "description": "What cataract is taken to mean, and by whom.",
                        "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.",
                        "layers": [
                            {
                                "id": "competing-definitions",
                                "name": "Competing definitions",
                                "description": "The main readings and the traditions behind them.",
                                "findings": [
                                    {
                                        "id": "definition-map",
                                        "name": "Definitions and their holders",
                                        "description": "Each definition with the school or body that holds it.",
                                        "questions": [
                                            {
                                                "id": "definition-map-q01",
                                                "text": "Which definitions of cataract are in use, and which tradition or body holds each?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "definition-map-q02",
                                                "text": "What turns on the difference between them in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operationalisation",
                                "name": "Operationalisation",
                                "description": "How it is measured or applied when it has to be.",
                                "findings": [
                                    {
                                        "id": "operational-record",
                                        "name": "Measures and proxies",
                                        "description": "Instruments and indicators used to stand in for it.",
                                        "questions": [
                                            {
                                                "id": "operational-record-q01",
                                                "text": "How is cataract operationalised or measured in practice, and by what instrument?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "operational-record-q02",
                                                "text": "What does that operationalisation leave out, and when does that matter?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "instances-and-use",
                        "name": "Instances, use and consequence",
                        "description": "What counts as an instance of cataract and what follows from calling something that.",
                        "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.",
                        "layers": [
                            {
                                "id": "instances",
                                "name": "What counts as an instance",
                                "description": "Clear cases, borderline cases and non-cases.",
                                "findings": [
                                    {
                                        "id": "instance-tests",
                                        "name": "Tests for an instance",
                                        "description": "What would settle whether something falls under it.",
                                        "questions": [
                                            {
                                                "id": "instance-tests-q01",
                                                "text": "What would settle whether something is an instance of cataract?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "instance-tests-q02",
                                                "text": "Which borderline cases are argued about, and on what grounds?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "consequence",
                                "name": "Consequence of application",
                                "description": "Rights, duties or decisions that follow from the label.",
                                "findings": [
                                    {
                                        "id": "consequence-record",
                                        "name": "What the label licenses",
                                        "description": "What an agent may do once something is classified this way.",
                                        "questions": [
                                            {
                                                "id": "consequence-record-q01",
                                                "text": "What follows practically once something is treated as cataract?",
                                                "kind": "action"
                                            },
                                            {
                                                "id": "consequence-record-q02",
                                                "text": "What must an agent not infer from the label alone?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a cataract 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 cataract and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a cataract, 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 cataract, 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 cataract 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 cataract is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a cataract, 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 cataract, 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 cataract is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 12,
                "questions": 32
            }
        }
    }
}