{ "model": { "rank": 9622, "code": "thing-q653197", "model_id": "vr.tr.rash", "name": "rash", "purpose": "Let an agent explain rashes in general terms, relay types, common causes and warning signs from dermatology and public health sources, route non-blanching rashes with fever and rashes with breathing difficulty to emergency services, describe the named types, and distinguish rashes from bruises, birthmarks, chronic skin diseases and hives as a specific type, without diagnosing individuals.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q653197/", "tier": 2, "score": 47, "payload": { "layer": "wikidata", "aliases": [ "diffuse rash", "papular rash", "ankle rash", "blotchy red rash", "purpuric rash", "exanthem", "cockade pattern rash", "efflorescence", "non-blanching rash", "salmon-colored rash", "localized rash", "cutaneous pustular vasculitis", "enanthem", "maculopapular rash", "poison ivy rash", "bacterial exanthem", "Eruptive hypomelanosis", "roseoliform rash", "scarlatiniform rash", "Rose spots", "Asymmetric periflexural exanthem of childhood" ], "aliasCount": 21, "merged": 21, "knownIn": 47, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.rash", "source": { "dataset": "wikidata", "item": "Q653197", "url": "https://www.wikidata.org/wiki/Q653197", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T22:29:46Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q653197", "registryId": "vr.tr.rash", "name": "rash", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q653197/", "model": { "registry_id": "vr.tr.rash", "name": "rash", "purpose": "Let an agent explain rashes in general terms, relay types, common causes and warning signs from dermatology and public health sources, route non-blanching rashes with fever and rashes with breathing difficulty to emergency services, describe the named types, and distinguish rashes from bruises, birthmarks, chronic skin diseases and hives as a specific type, without diagnosing individuals.", "definition": "A change in the colour, texture or appearance of the skin, which may be red, raised, blotchy, itchy or painful and localised or widespread, caused by infections, allergies, drugs, irritants, heat and autoimmune or other diseases; the registry aliases describe types such as diffuse, papular, blotchy red, ankle and purpuric rashes, and exanthem, a widespread rash with fever typical of viral infections such as measles. A rash with fever that does not fade under pressure from a glass may be meningococcal sepsis, and a rash with swelling or breathing difficulty may be anaphylaxis, both emergencies needing emergency services immediately.", "what_it_is_for": "Not applicable; a clinical sign.", "affordances": [ "explain types and causes in general terms", "relay warning signs", "describe named types", "route emergencies" ], "distinguishing_features": [ "Visible skin change", "Many causes", "Warning patterns", "Varied morphology" ], "appearance": "Areas of red, raised, spotted, blistered or discoloured skin; purpuric rashes are purple and do not blanch.", "visual_identification": [ "Change in skin appearance", "Diffuse rash, papular rash, ankle rash, blotchy red rash, purpuric rash, exanthem", "Bruises come from injury; birthmarks are present from birth; chronic diseases such as psoriasis persist; hives are raised itchy wheals" ], "physical_properties": [ { "quantity": "glass test", "typical_range": "non-blanching rash with fever is an emergency", "unit": "note", "note": "meningitis charities" }, { "quantity": "classic exanthems", "typical_range": "measles, rubella, scarlet fever, chickenpox and others", "unit": "note", "note": "" }, { "quantity": "registry parents", "typical_range": "clinical sign, skin symptom", "unit": "note", "note": "" } ], "families_and_kinds": [ "macular and papular rashes", "vesicular rashes", "purpuric and petechial rashes", "urticarial rashes", "viral exanthems", "drug rashes" ], "related_models": [ { "relation": "is a kind of", "target": "clinical sign", "why": "in registry terms" }, { "relation": "includes", "target": "exanthem", "why": "" }, { "relation": "can signal", "target": "meningococcal disease", "why": "if non-blanching with fever" }, { "relation": "is contrasted with", "target": "bruise", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Clinical guidelines such as NICE on fever in children", "Vaccination programmes for measles and other rash illnesses" ], "failure_modes_and_hazards": [ "Missing meningococcal or anaphylaxis signs", "Diagnosing from photos", "Stopping prescribed drugs without advice" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a rash is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "Does someone have a rash that does not fade under a glass with fever, or a rash with swelling or breathing difficulty, in which case call emergency services now?", "kind": "boundary" }, { "text": "What is a rash, and how does it differ from bruises, birthmarks, chronic skin disease and hives?", "kind": "definition" } ] } ] }, { "id": "types", "name": "Types", "description": "Named types.", "findings": [ { "id": "types-finding", "name": "Types", "description": "Types.", "questions": [ { "text": "What are diffuse, papular, ankle, blotchy, purpuric rashes and exanthems?", "kind": "definition" }, { "text": "Which entry fits the specific type?", "kind": "action" } ] } ] } ] }, { "id": "causes", "name": "Causes", "description": "Causes.", "rationale": "Science.", "layers": [ { "id": "infection", "name": "Infection", "description": "Infections.", "findings": [ { "id": "infection-finding", "name": "Infection", "description": "Infection.", "questions": [ { "text": "Which infections cause rashes, and why are measles and chickenpox important?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "allergy", "name": "Allergy and drugs", "description": "Allergies and drugs.", "findings": [ { "id": "allergy-finding", "name": "Allergy and drugs", "description": "Allergy and drugs.", "questions": [ { "text": "How do allergic and drug reactions cause rashes, and which are severe?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "care", "name": "Care", "description": "When to seek care.", "rationale": "Regulation.", "layers": [ { "id": "warning", "name": "Warning signs", "description": "Warning signs.", "findings": [ { "id": "warning-finding", "name": "Warning signs", "description": "Warning signs.", "questions": [ { "text": "What warning signs do health services list for rashes?", "kind": "provenance" }, { "text": "Which entry fits glass test?", "kind": "action" } ] } ] }, { "id": "skincolour", "name": "Skin tones", "description": "Rashes on darker skin.", "findings": [ { "id": "skincolour-finding", "name": "Skin tones", "description": "Skin tones.", "questions": [ { "text": "How can rashes look different on darker skin, as dermatology resources note?", "kind": "provenance" }, { "text": "Which entry fits skin of colour dermatology?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Public health.", "rationale": "Context.", "layers": [ { "id": "vaccines", "name": "Vaccines", "description": "Vaccines.", "findings": [ { "id": "vaccines-finding", "name": "Vaccines", "description": "Vaccines.", "questions": [ { "text": "How have vaccines reduced measles and rubella rashes?", "kind": "provenance" }, { "text": "Which entry fits MMR vaccine?", "kind": "action" } ] } ] }, { "id": "heat", "name": "Heat", "description": "Heat rash.", "findings": [ { "id": "heat-finding", "name": "Heat", "description": "Heat.", "questions": [ { "text": "What is heat rash, and how is it prevented?", "kind": "provenance" }, { "text": "Which entry fits miliaria?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should purpuric rash be a separate entry?", "How should dermatology sources be linked?", "Should drug rashes such as SJS be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "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 rash, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain rashes in general terms, relay types, common causes and warning signs from dermatology and public health sources, route non-blanching rashes with fever and rashes with breathing difficulty to emergency services, describe the named types, and distinguish rashes from bruises, birthmarks, chronic skin diseases and hives as a specific type, without diagnosing individuals.", "characteristics": { "substance": "information", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "read and interpreted" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: diffuse rash, papular rash, ankle rash, blotchy red rash, purpuric rash, exanthem, cockade pattern rash, efflorescence, non-blanching rash, salmon-colored rash, localized rash, cutaneous pustular vasculitis.", "21 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 47 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 rash, 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": [ "diffuse rash", "papular rash", "ankle rash", "blotchy red rash", "purpuric rash", "exanthem", "cockade pattern rash", "efflorescence", "non-blanching rash", "salmon-colored rash", "localized rash", "cutaneous pustular vasculitis" ] } ], "standing": "Described in 47 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 21 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 rash from another, and a rash 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 rash, 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 rash, 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 rash 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 rash, 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 rash, 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 rash 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 rash 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 rash, 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 rash, 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 rash 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 rash from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a rash, 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 rash, 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 rash 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 rash 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 rash between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a rash, 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 rash, 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 rash 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 rash, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a rash 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 rash, 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 rash, 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 rash 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 rash 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 rash contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a rash, 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 rash, 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 rash 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 rash and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a rash, 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 rash, 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 rash 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 rash 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 rash 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 rash 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 rash 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 rash 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 rash, 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 rash 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 rash and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a rash, 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 rash, 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 rash 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 rash is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a rash, 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 rash, 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 rash 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 } } } }