{ "model": { "rank": 3698, "code": "thing-q180152", "model_id": "vr.tr.vitiligo", "name": "vitiligo", "purpose": "Enable an agent to recognise a recorded case of vitiligo, represent its extent and activity, and support decisions about assessment, management and follow-up without substituting for clinical diagnosis.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q180152/", "tier": 2, "score": 83, "payload": { "layer": "wikidata", "aliases": [ "alopecia universalis onychodystrophy vitiligo", "Quadrichrome vitiligo", "Vitiligo ponctué" ], "aliasCount": 3, "merged": 3, "knownIn": 83, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.vitiligo", "source": { "dataset": "wikidata", "item": "Q180152", "url": "https://www.wikidata.org/wiki/Q180152", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:55:04Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 29.7, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c5c-54e7-72a1-91ed-0b257596d5f5\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: vitiligo\nSense to describe: (none recorded)\nDomain code: XCT.STA\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 004: 1001 regist", "usd": 0, "recall": true }, "codex": { "seconds": 83.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c5c-54e2-74b2-8397-0f5f89fbd917\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: vitiligo\nRegistry id: vr.tr.vitiligo\nPlane / domain: XCT / XCT.STA\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex" } } }, "metaModel": { "id": "THING-Q180152", "registryId": "vr.tr.vitiligo", "name": "vitiligo", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q180152/", "model": { "registry_id": "vr.tr.vitiligo", "name": "vitiligo", "purpose": "Enable an agent to recognise a recorded case of vitiligo, represent its extent and activity, and support decisions about assessment, management and follow-up without substituting for clinical diagnosis.", "definition": "Vitiligo is an acquired, usually chronic disorder in which loss of functional melanocytes produces well-demarcated depigmented patches of skin, sometimes involving hair and mucosal surfaces, with autoimmunity central to the common nonsegmental form.", "scope_statement": "This model owns vitiligo as an acquired depigmenting condition, including diagnostic confidence, distribution, course, lived impact and management context; it distinguishes the condition from individual lesions, associated diseases and treatment products.", "in_scope": [ "Evidence supporting vitiligo and uncertainty about alternative causes of pigment loss", "Clinical subtype, anatomical distribution and involvement of hair or mucosal sites", "Depigmentation extent, disease activity and change over time", "Functional, psychosocial and patient-reported impact", "Management goals, intervention history and observed outcomes" ], "out_of_scope": [ "Other causes of hypopigmentation or depigmentation as independently modelled conditions", "Associated autoimmune diseases and their complete diagnostic or treatment pathways", "Drug composition, manufacturing and regulatory approval records", "Phototherapy device engineering and maintenance", "General skin anatomy, melanocyte biology and pigmentation genetics beyond their relevance to vitiligo" ], "distinguishing_features": [ "Acquired areas of depigmentation support vitiligo more directly than congenital or lifelong generalised pigment reduction; onset history and examination must establish the distinction.", "Depigmented patches without a primary scaly eruption favour vitiligo over some superficial fungal or inflammatory causes, but appearance alone does not settle the diagnosis.", "Wood's lamp findings can help establish the boundaries and degree of depigmentation; record the examination result without treating it as an independently definitive test.", "A preceding inflammatory eruption, chemical exposure or injury requires evaluation of alternative explanations; trauma-associated onset alone does not distinguish vitiligo.", "Segmental and nonsegmental distribution patterns help classify vitiligo after diagnostic assessment; white hair within a patch is relevant supporting evidence rather than a mandatory feature." ], "characteristics": [ { "name": "Diagnostic status", "kind": "state", "unit_or_values": "suspected | clinician-diagnosed | uncertain | revised, with assessor and date", "why_it_matters": "Separates an observed pigment change from an established clinical interpretation." }, { "name": "Clinical subtype", "kind": "category", "unit_or_values": "segmental | nonsegmental | mixed | unclassified, with classification reference", "why_it_matters": "Distribution and course influence assessment and management expectations." }, { "name": "Affected sites", "kind": "category", "unit_or_values": "anatomical sites, laterality and symmetry; hair and mucosal involvement recorded separately", "why_it_matters": "Total area alone cannot express distribution, visibility or site-specific response." }, { "name": "Depigmentation extent", "kind": "measurement", "unit_or_values": "percentage of body surface area or named instrument score, with method, region and date", "why_it_matters": "Allows change to be assessed without conflating incompatible scoring methods." }, { "name": "Disease activity", "kind": "state", "unit_or_values": "active | stable over a stated interval | uncertain, with supporting observations", "why_it_matters": "New or enlarging lesions must be distinguished from longstanding residual depigmentation." }, { "name": "Hair depigmentation", "kind": "state", "unit_or_values": "present | absent | not assessed, by affected site", "why_it_matters": "Records involvement that skin-area measurements may omit." }, { "name": "Patient-reported burden", "kind": "measurement", "unit_or_values": "named instrument and score or patient-described impact, with date", "why_it_matters": "Visible extent is not a reliable substitute for distress or interference with daily life." }, { "name": "Management goal", "kind": "category", "unit_or_values": "limit progression | repigmentation | maintain response | camouflage | psychosocial support | observation; multiple values allowed", "why_it_matters": "Makes success depend on the person's priorities rather than pigment change alone." }, { "name": "Associated condition assessment", "kind": "relation", "unit_or_values": "links to separately recorded conditions or assessments, with suspected versus confirmed status", "why_it_matters": "Preserves relevant clinical context without implying that an association establishes another diagnosis." } ], "affordances": [ "Organise diagnostic evidence and flag unresolved alternative explanations for clinical review.", "Compare dated lesion maps, photographs and compatible extent scores.", "Distinguish disease spread, repigmentation and relapse at individual sites.", "Record patient priorities and prepare a clinician-facing discussion of management options.", "Track interventions, tolerability and outcomes against stated goals.", "Identify missing assessment information and support referral for clinical or psychosocial needs." ] }, "sources": [], "structure": { "bundles": [ { "id": "diagnostic-identity", "name": "Diagnostic identity", "description": "Establish what supports calling the observed pigment loss vitiligo.", "rationale": "Pigment loss has multiple causes, and a registry label must not turn diagnostic uncertainty into certainty.", "layers": [ { "id": "depigmentation-evidence", "name": "Depigmentation evidence", "description": "Record the observed phenotype and how it was examined.", "findings": [ { "id": "observed-pigment-loss", "name": "Observed pigment loss", "description": "Separate patient-reported colour change, clinical examination and supplementary examination results.", "questions": [ { "text": "What evidence establishes depigmentation rather than partial hypopigmentation, and at which sites?", "kind": "definition", "id": "observed-pigment-loss-q01" }, { "text": "Who assessed the patches, when, and with what examination methods, including any Wood's lamp assessment?", "kind": "provenance", "id": "observed-pigment-loss-q02" } ] } ] }, { "id": "diagnostic-boundaries", "name": "Diagnostic boundaries", "description": "Preserve alternatives and the reasoning used to distinguish them.", "findings": [ { "id": "alternative-causes", "name": "Alternative causes", "description": "Consider onset, preceding inflammation, surface changes and exposures without treating any single feature as decisive.", "questions": [ { "text": "Which alternative explanations, such as post-inflammatory pigment loss, superficial fungal disease or chemical leukoderma, remain plausible?", "kind": "boundary", "id": "alternative-causes-q01" }, { "text": "What unresolved observation requires clinical reassessment before the record can be treated as established vitiligo?", "kind": "action", "id": "alternative-causes-q02" } ] } ] } ] }, { "id": "distribution-and-extent", "name": "Distribution and extent", "description": "Represent the pattern and amount of depigmentation across skin, hair and relevant mucosal sites.", "rationale": "Vitiligo cannot be adequately characterised by a single affected-area value.", "layers": [ { "id": "clinical-pattern", "name": "Clinical pattern", "description": "Connect subtype assignment to actual anatomical observations.", "findings": [ { "id": "subtype-and-site-map", "name": "Subtype and site map", "description": "Record distribution, laterality, symmetry and the basis for segmental, nonsegmental, mixed or unclassified status.", "questions": [ { "text": "Which distribution findings support the assigned subtype, and which classification was used?", "kind": "definition", "id": "subtype-and-site-map-q01" }, { "text": "Which skin regions, hair-bearing areas or mucosal sites are involved, and which were not assessed?", "kind": "measurement", "id": "subtype-and-site-map-q02" } ] } ] }, { "id": "extent-assessment", "name": "Extent assessment", "description": "Make area estimates and scoring instruments interpretable and comparable.", "findings": [ { "id": "regional-depigmentation", "name": "Regional depigmentation", "description": "Retain regional extent and degree of pigment loss alongside any overall score.", "questions": [ { "text": "What extent was recorded using body surface area estimation, VASI or another named method, and what regions does that value cover?", "kind": "measurement", "id": "regional-depigmentation-q01" }, { "text": "Were the same method, anatomical coverage and assessment conditions used for the comparison measurement?", "kind": "provenance", "id": "regional-depigmentation-q02" } ] } ] } ] }, { "id": "activity-and-course", "name": "Activity and course", "description": "Distinguish ongoing pigment loss from stable lesions, repigmentation and recurrence.", "rationale": "A static lesion map does not show whether vitiligo is spreading or whether improvement is durable.", "layers": [ { "id": "progression-and-stability", "name": "Progression and stability", "description": "Anchor activity assessments to explicit observations and time windows.", "findings": [ { "id": "activity-evidence", "name": "Activity evidence", "description": "Record new lesions, enlargement and other clinician-assessed activity evidence without assuming that absent documentation means stability.", "questions": [ { "text": "Have new patches or enlargement of existing patches occurred, at which sites and over what interval?", "kind": "measurement", "id": "activity-evidence-q01" }, { "text": "What evidence and observation period support a statement that the disease, or an individual patch, is stable?", "kind": "provenance", "id": "activity-evidence-q02" } ] } ] }, { "id": "repigmentation-and-recurrence", "name": "Repigmentation and recurrence", "description": "Track recovery of pigment and subsequent loss at the same sites.", "findings": [ { "id": "site-level-trajectory", "name": "Site-level trajectory", "description": "Distinguish repigmentation from photographic variation, changing surrounding skin colour and spread elsewhere.", "questions": [ { "text": "Which sites show repigmentation, persistent depigmentation or renewed pigment loss relative to dated baseline observations?", "kind": "measurement", "id": "site-level-trajectory-q01" }, { "text": "Could lighting, tanning, camouflage or image-processing differences explain part of the apparent change?", "kind": "boundary", "id": "site-level-trajectory-q02" } ] } ] } ] }, { "id": "personal-impact-and-context", "name": "Personal impact and context", "description": "Capture the person's experience and clinically relevant context beyond lesion extent.", "rationale": "Vitiligo burden depends on visibility, social experience and individual priorities as well as physical findings.", "layers": [ { "id": "lived-impact", "name": "Lived impact", "description": "Record distress, participation and preferences in the person's own terms.", "findings": [ { "id": "burden-and-priorities", "name": "Burden and priorities", "description": "Keep patient-reported impact separate from clinician-rated extent.", "questions": [ { "text": "How do pigment changes affect daily activities, relationships, self-image or experiences of stigma?", "kind": "measurement", "id": "burden-and-priorities-q01" }, { "text": "Which affected sites or concerns matter most to the person, and what support do they want?", "kind": "action", "id": "burden-and-priorities-q02" } ] } ] }, { "id": "associated-health-context", "name": "Associated health context", "description": "Link relevant histories and assessments without embedding separate disease models.", "findings": [ { "id": "contextual-assessment", "name": "Contextual assessment", "description": "Preserve symptoms, personal or family history and clinician decisions relevant to associated conditions.", "questions": [ { "text": "What personal history, family history or symptoms were documented as relevant to assessment for associated autoimmune conditions?", "kind": "provenance", "id": "contextual-assessment-q01" }, { "text": "Which associated conditions are confirmed, which are only suspected, and what assessment has a clinician indicated?", "kind": "boundary", "id": "contextual-assessment-q02" } ] } ] } ] }, { "id": "management-and-response", "name": "Management and response", "description": "Connect chosen care to goals, suitability, treatment exposure and observed outcomes.", "rationale": "Limiting spread, restoring pigment and reducing personal burden are distinct goals with different measures of success.", "layers": [ { "id": "care-selection", "name": "Care selection", "description": "Document shared decisions and the clinical context supporting them.", "findings": [ { "id": "goals-and-suitability", "name": "Goals and suitability", "description": "Record the rationale for observation, topical treatment, phototherapy, procedural approaches, camouflage or support without prescribing from the model alone.", "questions": [ { "text": "Is the agreed goal to limit spread, repigment particular sites, maintain improvement, reduce burden or observe the course?", "kind": "action", "id": "goals-and-suitability-q01" }, { "text": "How did subtype, activity, affected sites, age, prior response and patient preferences inform the clinician's proposed approach?", "kind": "provenance", "id": "goals-and-suitability-q02" } ] } ] }, { "id": "response-and-review", "name": "Response and review", "description": "Interpret outcomes against actual intervention exposure and follow-up duration.", "findings": [ { "id": "benefit-tolerability-and-durability", "name": "Benefit, tolerability and durability", "description": "Record regional response, adverse effects, practical burden and persistence of benefit while preserving uncertainty about causation.", "questions": [ { "text": "What intervention exposure and follow-up interval preceded the observed changes in activity, pigmentation and patient-reported impact?", "kind": "measurement", "id": "benefit-tolerability-and-durability-q01" }, { "text": "What benefit, adverse effects, burden or recurrence prompted a clinician-supervised decision to continue, modify or stop the approach?", "kind": "action", "id": "benefit-tolerability-and-durability-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This describes the dermatological condition; the supplied domain code alone does not establish a narrower sense.", "Listed varieties mix major classifications with distribution patterns; they are not mutually exclusive, and focal or mucosal disease may require follow-up for classification.", "This is recall rather than source-verified research; verify guideline currency and exact scoring conventions before operational use." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Nonsegmental vitiligo, including generalized and acrofacial patterns", "Segmental vitiligo", "Mixed vitiligo, combining segmental and nonsegmental disease", "Universal vitiligo, involving nearly all skin", "Focal vitiligo, whose classification may depend on subsequent evolution", "Mucosal vitiligo" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "ICD-10", "value_or_pattern": "L80", "note": "World Health Organization classification code for vitiligo." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "British Association of Dermatologists guidelines for the management of people with vitiligo, 2021." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Clinical diagnosis and classification of acquired depigmentation.", "Assessment of disease activity and extent to guide treatment and follow-up.", "Evaluation of repigmentation and disease stabilization in clinical trials.", "Assessment of psychosocial burden and associated autoimmune disease when clinically indicated." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Depigmented body surface area", "typical_range": "Possible range 0-100; extent varies substantially between patients.", "unit": "%" }, { "quantity": "Vitiligo Area Scoring Index (VASI)", "typical_range": "Theoretical total-body range 0-100, combining affected area with degree of depigmentation.", "unit": "score" }, { "quantity": "Vitiligo Disease Activity score (VIDA)", "typical_range": "-1 to +4, reflecting reported stability or recency of disease activity.", "unit": "ordinal score" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Depigmented skin is more susceptible to sunburn.", "Visible changes can cause stigma, psychological distress and impaired quality of life.", "Disease progression and relapse after repigmentation can occur; individual course is difficult to predict.", "Skin injury can trigger new lesions through the Koebner phenomenon.", "Association with autoimmune thyroid disease and some other autoimmune conditions can be clinically relevant." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Reported prevalence varies across populations and study methods; estimates are not directly interchangeable.", "Social consequences vary with cultural attitudes and the visual contrast between affected and surrounding skin.", "Access to specialist assessment, phototherapy and medicines varies by health system." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Albinism", "difference": "Albinism comprises inherited disorders of melanin production, generally evident early in life; vitiligo is acquired and involves loss of functional melanocytes." }, { "name": "Post-inflammatory hypopigmentation", "difference": "Pigment reduction follows preceding inflammation or injury and is often incomplete; vitiligo typically produces depigmented patches without that preceding inflammatory process." }, { "name": "Pityriasis versicolor", "difference": "This superficial Malassezia-associated condition commonly produces finely scaling patches and can be supported by fungal microscopy; vitiligo patches ordinarily lack scale." }, { "name": "Chemical leukoderma", "difference": "Exposure history and lesion distribution implicate melanocyte-damaging chemicals, although clinical and biological overlap with vitiligo can make separation difficult." }, { "name": "Nevus depigmentosus", "difference": "Typically appears at birth or early childhood and remains relatively stable in distribution, whereas vitiligo is acquired and may spread." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of vitiligo this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which clinical classification should anchor the model, particularly for mixed, focal and isolated mucosal presentations?", "Which operational definitions and observation periods should represent stability for routine monitoring versus consideration of procedural treatment?", "Which extent and patient-reported instruments are sufficiently validated across ages, skin tones and care settings, and when are their results comparable?", "How should the model represent the boundary between chemical-associated depigmentation and vitiligo when clinical interpretations differ?", "Which current, jurisdiction-specific guidance should govern associated-condition assessment and treatment suitability, and how should changes to that guidance be versioned?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 29 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "discipline or field of knowledge", "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 vitiligo, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a recorded case of vitiligo, represent its extent and activity, and support decisions about assessment, management and follow-up without substituting for clinical diagnosis.", "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: alopecia universalis onychodystrophy vitiligo, Quadrichrome vitiligo, Vitiligo ponctué.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 83 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 vitiligo, 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": [], "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": [ "alopecia universalis onychodystrophy vitiligo", "Quadrichrome vitiligo", "Vitiligo ponctué" ] } ], "standing": "Described in 83 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 vitiligo from another, and a vitiligo 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 vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo 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 vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo 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 vitiligo between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a vitiligo 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 vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo 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 vitiligo contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a vitiligo, 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 vitiligo, 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 vitiligo is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "subject-and-method", "name": "Subject matter and method", "description": "What vitiligo studies and how it establishes anything.", "rationale": "A field is identified by its questions and its methods, and those are what distinguish it from the fields next to it.", "layers": [ { "id": "subject", "name": "Subject matter", "description": "The questions it takes as its own.", "findings": [ { "id": "subject-record", "name": "Questions and objects of study", "description": "What it is about, stated so a neighbouring field can be told apart.", "questions": [ { "id": "subject-record-q01", "text": "What questions and objects does vitiligo take as its own?", "kind": "definition" }, { "id": "subject-record-q02", "text": "Which questions does it share with a neighbouring field, and who claims them?", "kind": "boundary" } ] } ] }, { "id": "method", "name": "Method and evidence", "description": "How claims are established and what counts as evidence.", "findings": [ { "id": "method-record", "name": "Methods and standards of evidence", "description": "The methods used and what they are taken to establish.", "questions": [ { "id": "method-record-q01", "text": "By what methods does vitiligo establish claims, and what counts as sufficient evidence?", "kind": "provenance" }, { "id": "method-record-q02", "text": "What kind of claim can this field not settle, and where should an agent look instead?", "kind": "action" } ] } ] } ] }, { "id": "institutions-and-classification", "name": "Institutions and classification", "description": "Where vitiligo is practised and how catalogues place it.", "rationale": "The institutional footprint is the evidence that a field exists as a field rather than as a topic.", "layers": [ { "id": "institutions", "name": "Institutional markers", "description": "Societies, journals, degrees and departments.", "findings": [ { "id": "institution-record", "name": "Bodies and venues", "description": "Where the field organises itself.", "questions": [ { "id": "institution-record-q01", "text": "Which societies, journals or degrees mark vitiligo as an established field?", "kind": "provenance" }, { "id": "institution-record-q02", "text": "What would show that it is emerging or dissolving rather than established?", "kind": "boundary" } ] } ] }, { "id": "classification", "name": "Classification schemes", "description": "Where library and research classifications put it.", "findings": [ { "id": "classification-record", "name": "Codes and their disagreements", "description": "The classification codes that place it, and where they differ.", "questions": [ { "id": "classification-record-q01", "text": "Which classification schemes place vitiligo, under what codes?", "kind": "definition" }, { "id": "classification-record-q02", "text": "Where do those schemes disagree about its scope?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a vitiligo 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 vitiligo and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a vitiligo, 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 vitiligo, 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 vitiligo 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 vitiligo is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a vitiligo, 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 vitiligo, 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 vitiligo 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 } } } }