{ "model": { "rank": 3868, "code": "thing-q179945", "model_id": "vr.tr.psoriasis", "name": "psoriasis", "purpose": "Let an agent explain psoriasis and its forms and causes in general terms, relay treatment and support information from health bodies, distinguish it from similar conditions, and route personal medical questions to clinicians.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q179945/", "tier": 2, "score": 81, "payload": { "layer": "wikidata", "aliases": [ "pityriasis rosea", "Pityriasis rotunda", "Seborrheic-like psoriasis", "pustulosis palmaris et plantaris", "psoriasis 5", "psoriasis 10", "psoriasis 12", "psoriasis 8", "psoriasis 9", "psoriasis 3", "psoriasis 7", "psoriasis 6", "psoriasis 11", "psoriasis 4", "plaque psoriasis", "psoriatic erythroderma", "palmoplantar psoriasis", "parapsoriasis", "Pustular psoriasis", "psoriasis 1, susceptibility to", "psoriasis 13, susceptibility to", "guttate psoriasis", "Inverse psoriasis", "pustular psoriasis 14", "psoriasis 2", "Napkin psoriasis", "pityriasis rubra pilaris", "Large plaque parapsoriasis", "retiform parapsoriasis", "Small plaque parapsoriasis", "familial pityriasis rubra pilaris" ], "aliasCount": 31, "merged": 31, "knownIn": 81, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.psoriasis", "source": { "dataset": "wikidata", "item": "Q179945", "url": "https://www.wikidata.org/wiki/Q179945", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T06:14:36Z", "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": 2, "engine": "claude" }, "metaModel": { "id": "THING-Q179945", "registryId": "vr.tr.psoriasis", "name": "psoriasis", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q179945/", "model": { "registry_id": "vr.tr.psoriasis", "name": "psoriasis", "purpose": "Let an agent explain psoriasis and its forms and causes in general terms, relay treatment and support information from health bodies, distinguish it from similar conditions, and route personal medical questions to clinicians.", "definition": "A chronic immune-mediated skin disease in which accelerated skin cell turnover produces red, scaly plaques most often on elbows, knees, scalp and lower back, in forms such as plaque, guttate, inverse, pustular including palmoplantar pustulosis, and erythrodermic psoriasis, often with nail changes and associated psoriatic arthritis and other conditions; psoriasis affects around two percent of people, is not contagious, and is treated with topical, light, systemic and biologic therapies under clinical guidelines.", "what_it_is_for": "Chronic immune skin disease with scaly plaques.", "affordances": [ "explain forms and causes", "relay treatment information", "distinguish similar conditions", "route personal questions" ], "distinguishing_features": [ "Immune-mediated", "Chronic and relapsing", "Not contagious", "Associated arthritis" ], "appearance": "Red, scaly, well-defined plaques on the skin.", "visual_identification": [ "Immune-mediated scaly plaques", "Plaque, guttate, inverse, pustular, erythrodermic", "Eczema is itchier and less scaly; pityriasis rosea is a separate self-limiting rash" ], "physical_properties": [], "families_and_kinds": [ "plaque psoriasis", "guttate psoriasis", "inverse and scalp psoriasis", "pustular psoriasis including palmoplantar forms", "erythrodermic psoriasis and psoriatic arthritis" ], "related_models": [ { "relation": "is a kind of", "target": "autoimmune skin disease", "why": "category" }, { "relation": "is related to", "target": "wart", "why": "another skin condition for contrast" }, { "relation": "is related to", "target": "stress", "why": "a trigger reported by patients" }, { "relation": "is related to", "target": "antibody", "why": "biologic therapies based on antibodies" } ], "identifiers": [], "standards_and_regulation": [ "Clinical guidelines for psoriasis", "Drug regulation for systemic and biologic therapies", "Disability and workplace protections" ], "failure_modes_and_hazards": [ "Agents giving personal treatment advice", "Stigma from the false belief that it is contagious", "Unproven remedies" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What psoriasis is.", "rationale": "General information.", "layers": [ { "id": "concept", "name": "Concept", "description": "Concept and forms.", "findings": [ { "id": "concept-finding", "name": "Concept", "description": "Concept.", "questions": [ { "text": "What is psoriasis, and how do plaque, guttate, inverse, pustular and erythrodermic forms differ?", "kind": "definition" }, { "text": "Is the user asking about their own skin, which needs a clinician?", "kind": "boundary" } ] } ] }, { "id": "causes", "name": "Causes", "description": "Causes and triggers.", "findings": [ { "id": "causes-finding", "name": "Causes", "description": "Causes.", "questions": [ { "text": "What causes psoriasis, and what triggers such as infection, stress and medications do health bodies describe?", "kind": "provenance" }, { "text": "Which entry fits immune-mediated disease?", "kind": "action" } ] } ] } ] }, { "id": "manage", "name": "Manage", "description": "Treatment and living.", "rationale": "Guidance.", "layers": [ { "id": "treatment", "name": "Treatment", "description": "Treatment.", "findings": [ { "id": "treatment-finding", "name": "Treatment", "description": "Treatment.", "questions": [ { "text": "What topical, light, systemic and biologic treatments do guidelines describe, in general terms?", "kind": "provenance" }, { "text": "Is the presentation free of personal treatment advice?", "kind": "boundary" } ] } ] }, { "id": "living", "name": "Living", "description": "Living with psoriasis.", "findings": [ { "id": "living-finding", "name": "Living", "description": "Living.", "questions": [ { "text": "What support, self-care and rights information do health bodies and patient organisations provide?", "kind": "provenance" }, { "text": "Which entry fits patient support?", "kind": "action" } ] } ] } ] }, { "id": "related", "name": "Related", "description": "Related conditions.", "rationale": "General information.", "layers": [ { "id": "arthritis", "name": "Arthritis", "description": "Psoriatic arthritis and comorbidities.", "findings": [ { "id": "arthritis-finding", "name": "Arthritis", "description": "Arthritis.", "questions": [ { "text": "How are psoriatic arthritis and other associated conditions recognised and managed, in general terms?", "kind": "provenance" }, { "text": "Is urgent assessment needed, for example for erythrodermic or pustular flare?", "kind": "boundary" } ] } ] }, { "id": "lookalikes", "name": "Lookalikes", "description": "Similar conditions.", "findings": [ { "id": "lookalikes-finding", "name": "Lookalikes", "description": "Lookalikes.", "questions": [ { "text": "How does psoriasis differ from eczema, pityriasis rosea and fungal infections, in general terms?", "kind": "provenance" }, { "text": "Which entry fits a specific condition?", "kind": "action" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "Research and teaching.", "rationale": "Education.", "layers": [ { "id": "research", "name": "Research", "description": "Research.", "findings": [ { "id": "research-finding", "name": "Research", "description": "Research.", "questions": [ { "text": "What research is under way on genetics and new therapies, with findings attributed?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Teaching.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Teaching.", "questions": [ { "text": "How can psoriasis be taught in health education without stigma?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should psoriatic arthritis be a separate entry?", "How should guidelines be linked?", "How should patient organisations 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 psoriasis, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain psoriasis and its forms and causes in general terms, relay treatment and support information from health bodies, distinguish it from similar conditions, and route personal medical questions to clinicians.", "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: pityriasis rosea, Pityriasis rotunda, Seborrheic-like psoriasis, pustulosis palmaris et plantaris, psoriasis 5, psoriasis 10, psoriasis 12, psoriasis 8, psoriasis 9, psoriasis 3, psoriasis 7, psoriasis 6.", "31 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 81 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 psoriasis, 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": [ "pityriasis rosea", "Pityriasis rotunda", "Seborrheic-like psoriasis", "pustulosis palmaris et plantaris", "psoriasis 5", "psoriasis 10", "psoriasis 12", "psoriasis 8", "psoriasis 9", "psoriasis 3", "psoriasis 7", "psoriasis 6" ] } ], "standing": "Described in 81 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 31 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 psoriasis from another, and a psoriasis 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 psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis 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 psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis 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 psoriasis between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a psoriasis 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 psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis 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 psoriasis contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis 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 psoriasis 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 psoriasis 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 psoriasis 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 psoriasis 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 psoriasis, 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 psoriasis 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 psoriasis and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a psoriasis, 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 psoriasis, 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 psoriasis 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 psoriasis is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a psoriasis, 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 psoriasis, 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 psoriasis 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 } } } }