{
    "model": {
        "rank": 6851,
        "code": "thing-q852163",
        "model_id": "vr.tr.lower-back-pain",
        "name": "lower back pain",
        "purpose": "Enable an AI agent to recognise a reported lower back pain episode, record its effects and uncertainties, and identify appropriate assessment or support within its authority.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.KNW",
        "industry": "",
        "version": "",
        "url": "/models/thing/q852163/",
        "tier": 2,
        "score": 58,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "inflammatory low back pain",
                "Acute low back",
                "Back strain",
                "sacroiliac joint dysfunction"
            ],
            "aliasCount": 4,
            "merged": 4,
            "knownIn": 58,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q852163",
                "url": "https://www.wikidata.org/wiki/Q852163",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:38:17Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 23.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a08888-7cdf-7252-a03a-188432283bfb\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: lower back pain\nSense to describe: (none recorded)\nDomain code: XCT.STA\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 007: 1001",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 56.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a08888-7cef-7be3-9bf4-2c94244ac65c\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: lower back pain\nRegistry id: vr.tr.lower-back-pain\nPlane / domain: XCT / XCT.STA\nRegistry definition: (none recorded)\nNames folded into this entry: ("
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q852163",
                "registryId": "vr.tr.lower-back-pain",
                "name": "lower back pain",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.STA"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q852163/",
            "model": {
                "registry_id": "vr.tr.lower-back-pain",
                "name": "lower back pain",
                "purpose": "Enable an AI agent to recognise a reported lower back pain episode, record its effects and uncertainties, and identify appropriate assessment or support within its authority.",
                "definition": "Lower back pain is pain between the lower rib margins and the gluteal folds, with or without accompanying leg pain, that describes a symptom rather than a single underlying disease.",
                "scope_statement": "This model owns lower back pain as an experienced symptom and evolving condition, including location, time course, functional impact, associated symptoms and assessment status; it does not treat pain location as proof of a particular underlying disease.",
                "in_scope": [
                    "The person's description of pain in the lower back and any spread beyond it",
                    "Episode onset, persistence, recurrence and changes over time",
                    "Pain intensity, interference with everyday activities and personally important goals",
                    "Associated symptoms and contextual information relevant to assessment priority",
                    "Recorded clinical interpretations, care experiences and unresolved uncertainty"
                ],
                "out_of_scope": [
                    "Detailed models of underlying spinal, neurological, inflammatory or visceral diseases",
                    "Full anatomy and biomechanics of the lumbar spine",
                    "Medication prescribing, dosing and interaction management",
                    "Detailed execution of imaging, surgery or rehabilitation procedures",
                    "Independent psychiatric diagnoses or occupational compensation determinations"
                ],
                "distinguishing_features": [
                    "The reported painful area includes the lower back; isolated neck, thoracic, hip or flank pain should not be relabelled solely because it is nearby.",
                    "Lower back pain can be recorded without a confirmed structural cause; an imaging finding alone does not establish the presence or explanation of experienced pain.",
                    "Pain spreading into a leg is recorded separately from local back pain, and spread alone is not treated as confirmation of a nerve-root disorder.",
                    "A symptom episode is distinguished from an underlying disease diagnosis, allowing the two to be linked without making them interchangeable.",
                    "Persistent pain and repeated episodes are distinguished using the reported timeline and intervening recovery, with any classification convention explicitly named."
                ],
                "characteristics": [
                    {
                        "name": "Pain location and distribution",
                        "kind": "category",
                        "unit_or_values": "Person-marked body area; left, right or bilateral; local or spreading; destination of spread",
                        "why_it_matters": "Establishes whether the report belongs within this model and preserves distinctions from adjacent pain presentations."
                    },
                    {
                        "name": "Episode timing",
                        "kind": "measurement",
                        "unit_or_values": "Onset date or estimate; elapsed days, weeks or months; symptom-free intervals",
                        "why_it_matters": "Supports tracking and duration classifications without confusing recurrence with continuous symptoms."
                    },
                    {
                        "name": "Pain intensity",
                        "kind": "measurement",
                        "unit_or_values": "Named scale and anchors, such as 0-10; recall period; rest or activity context",
                        "why_it_matters": "Makes repeated reports interpretable while retaining the person's subjective experience."
                    },
                    {
                        "name": "Functional interference",
                        "kind": "measurement",
                        "unit_or_values": "Named questionnaire score or task-specific limits, with units such as walking minutes or sitting tolerance",
                        "why_it_matters": "Shows consequences that an intensity score alone cannot capture."
                    },
                    {
                        "name": "Symptom trajectory",
                        "kind": "state",
                        "unit_or_values": "Improving, stable, fluctuating, worsening or unclear; observation period",
                        "why_it_matters": "Makes changes visible and supports reassessment."
                    },
                    {
                        "name": "Associated symptom assessment",
                        "kind": "state",
                        "unit_or_values": "Present, explicitly absent, unknown or not assessed for each named symptom; onset and progression",
                        "why_it_matters": "Prevents missing information from being mistaken for reassuring evidence."
                    },
                    {
                        "name": "Attribution status",
                        "kind": "category",
                        "unit_or_values": "Unassessed, cause undetermined, suspected cause or clinician-established attribution; assessor and date",
                        "why_it_matters": "Separates the symptom from claims about what causes it."
                    },
                    {
                        "name": "Care and response",
                        "kind": "relation",
                        "unit_or_values": "Links to assessments or interventions, exposure dates, reported benefit, adverse effects and uncertainty",
                        "why_it_matters": "Supports continuity without assuming that a change following care was caused by that care."
                    }
                ],
                "affordances": [
                    "Elicit and summarise a lower back pain history while marking missing or uncertain information.",
                    "Track pain, function and recovery goals using consistent measures and recall periods.",
                    "Apply an approved assessment pathway to recorded symptoms and surface the need for human review within the agent's role.",
                    "Prepare a handover that separates personal reports, examination findings and clinical interpretations.",
                    "Compare reported outcomes across care episodes without prescribing treatment or asserting unsupported causation."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "pain-presentation",
                        "name": "Pain presentation",
                        "description": "Defines where the pain is experienced and how the current episode developed.",
                        "rationale": "Lower back pain must be recognised from the reported presentation without prematurely assigning an anatomical cause.",
                        "layers": [
                            {
                                "id": "location-and-spread",
                                "name": "Location and spread",
                                "description": "Records the lower back area and distinguishes it from accompanying pain elsewhere.",
                                "findings": [
                                    {
                                        "id": "reported-pain-distribution",
                                        "name": "Reported pain distribution",
                                        "description": "Capture the person's indicated pain area, laterality and spread, retaining uncertainty at boundaries with flank, pelvic or hip pain.",
                                        "questions": [
                                            {
                                                "text": "Where does the person indicate the pain, and does that area include the lower back?",
                                                "kind": "boundary",
                                                "id": "reported-pain-distribution-q01"
                                            },
                                            {
                                                "text": "Does pain spread into the buttock or leg, and what is its reported route and furthest extent?",
                                                "kind": "measurement",
                                                "id": "reported-pain-distribution-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "episode-and-course",
                                "name": "Episode and course",
                                "description": "Separates onset, continuous symptoms, fluctuations and recurrence.",
                                "findings": [
                                    {
                                        "id": "episode-timeline",
                                        "name": "Episode timeline",
                                        "description": "Record onset, any reported precipitating event, prior episodes and intervening recovery without equating temporal association with cause.",
                                        "questions": [
                                            {
                                                "text": "When did this episode begin, how certain is that date, and what changes have occurred since?",
                                                "kind": "provenance",
                                                "id": "episode-timeline-q01"
                                            },
                                            {
                                                "text": "Were there earlier episodes and periods of recovery, and which explicit convention is used if a duration label is assigned?",
                                                "kind": "definition",
                                                "id": "episode-timeline-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "pain-burden-and-function",
                        "name": "Pain burden and function",
                        "description": "Captures symptom burden, activity limitations and the person's recovery priorities.",
                        "rationale": "Similar pain reports can have very different practical consequences, so intensity and function need separate records.",
                        "layers": [
                            {
                                "id": "intensity-and-variation",
                                "name": "Intensity and variation",
                                "description": "Makes pain reports comparable across time and activity contexts.",
                                "findings": [
                                    {
                                        "id": "contextual-pain-measurement",
                                        "name": "Contextual pain measurement",
                                        "description": "Record the scale, anchors, recall period and circumstances of each intensity report, including aggravating or easing activities as reported observations.",
                                        "questions": [
                                            {
                                                "text": "What intensity is reported using which scale, anchors and recall period?",
                                                "kind": "measurement",
                                                "id": "contextual-pain-measurement-q01"
                                            },
                                            {
                                                "text": "How does the report vary with sitting, standing, walking, bending, rest or time of day?",
                                                "kind": "measurement",
                                                "id": "contextual-pain-measurement-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "daily-life-and-goals",
                                "name": "Daily life and goals",
                                "description": "Records effects on sleep, movement, self-care, work and participation.",
                                "findings": [
                                    {
                                        "id": "activity-interference-and-priorities",
                                        "name": "Activity interference and priorities",
                                        "description": "Describe what the person can do, avoids or needs assistance with, and identify meaningful activities they want to regain.",
                                        "questions": [
                                            {
                                                "text": "Which everyday tasks or sleep activities are affected, and how are those limitations measured?",
                                                "kind": "measurement",
                                                "id": "activity-interference-and-priorities-q01"
                                            },
                                            {
                                                "text": "Which activity would the person most like to regain, and what observable change would count as progress?",
                                                "kind": "action",
                                                "id": "activity-interference-and-priorities-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "assessment-and-attribution",
                        "name": "Assessment and attribution",
                        "description": "Separates associated symptoms, assessment priority and evidence about possible causes.",
                        "rationale": "A lower back pain model must preserve uncertainty while supporting appropriate human assessment through an approved clinical pathway.",
                        "layers": [
                            {
                                "id": "associated-symptoms-and-priority",
                                "name": "Associated symptoms and priority",
                                "description": "Records information required by a selected assessment pathway without treating an isolated answer as a diagnosis.",
                                "findings": [
                                    {
                                        "id": "pathway-relevant-observations",
                                        "name": "Pathway-relevant observations",
                                        "description": "Preserve timing and assessment status for neurological changes, bladder or bowel changes, saddle-area sensory changes, systemic symptoms, trauma and relevant medical history; interpretation belongs to a sourced pathway.",
                                        "questions": [
                                            {
                                                "text": "What associated symptoms or history have been reported or assessed, when did they arise, and which items remain unknown?",
                                                "kind": "provenance",
                                                "id": "pathway-relevant-observations-q01"
                                            },
                                            {
                                                "text": "Under the applicable approved pathway, what human review is indicated, within what timeframe, and has that review occurred?",
                                                "kind": "action",
                                                "id": "pathway-relevant-observations-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "clinical-interpretation",
                                "name": "Clinical interpretation",
                                "description": "Links possible explanations to their evidence and responsible assessor.",
                                "findings": [
                                    {
                                        "id": "attribution-and-evidence",
                                        "name": "Attribution and evidence",
                                        "description": "Keep person-reported explanations, examination observations, investigation results and clinician interpretations distinct, including disagreement or unresolved attribution.",
                                        "questions": [
                                            {
                                                "text": "Who proposed any cause or clinical classification, on what date, and using what evidence?",
                                                "kind": "provenance",
                                                "id": "attribution-and-evidence-q01"
                                            },
                                            {
                                                "text": "Which explanations remain suspected or unresolved, and which require a linked disease model rather than expansion of this symptom model?",
                                                "kind": "boundary",
                                                "id": "attribution-and-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "context-care-and-reassessment",
                        "name": "Context, care and reassessment",
                        "description": "Records circumstances affecting daily management, care received and changes that require review.",
                        "rationale": "Decisions depend on the person's circumstances and observed course, as well as on the location and severity of pain.",
                        "layers": [
                            {
                                "id": "participation-and-care-context",
                                "name": "Participation and care context",
                                "description": "Captures work demands, support, beliefs and access constraints without assigning blame or unsupported causation.",
                                "findings": [
                                    {
                                        "id": "barriers-and-supports",
                                        "name": "Barriers and supports",
                                        "description": "Record relevant lifting or posture demands, opportunities to adapt activities, concerns about movement and practical access to care as contextual observations.",
                                        "questions": [
                                            {
                                                "text": "Which work, household or caregiving demands constrain the person's ability to manage the episode?",
                                                "kind": "provenance",
                                                "id": "barriers-and-supports-q01"
                                            },
                                            {
                                                "text": "What concerns, preferences, available support or access barriers should an authorised care discussion address?",
                                                "kind": "action",
                                                "id": "barriers-and-supports-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "response-and-follow-up",
                                "name": "Response and follow-up",
                                "description": "Connects care exposure to repeated outcome observations and an explicit review plan.",
                                "findings": [
                                    {
                                        "id": "care-response-and-review-plan",
                                        "name": "Care response and review plan",
                                        "description": "Record care actually received, reported benefits or harms, changes in function and the responsible person's reassessment plan without inferring treatment effectiveness from timing alone.",
                                        "questions": [
                                            {
                                                "text": "What care was received and when, and how did pain, function or adverse experiences change using comparable observations?",
                                                "kind": "measurement",
                                                "id": "care-response-and-review-plan-q01"
                                            },
                                            {
                                                "text": "Who owns follow-up, when is review planned, and what changes trigger earlier contact under the agreed care pathway?",
                                                "kind": "action",
                                                "id": "care-response-and-review-plan-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 is a recall-based description; no sources were consulted.",
                                            "Duration thresholds vary between guidelines, and the listed kinds overlap rather than form mutually exclusive categories.",
                                            "Verify current coding editions and guideline scope; chronic primary low back pain is not interchangeable with every form of chronic low back pain."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of lower back pain 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": [
                                            "Nonspecific low back pain, without a reliably identified specific cause",
                                            "Low back pain attributable to a specific disease or structural lesion",
                                            "Low back pain with radicular pain or radiculopathy",
                                            "Acute low back pain",
                                            "Subacute low back pain",
                                            "Chronic low back pain"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of lower back pain 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, World Health Organization",
                                                "value_or_pattern": "M54.5",
                                                "note": "Low back pain in the WHO classification; national modifications and current billing editions can use different or more detailed codes."
                                            },
                                            {
                                                "scheme": "Medical Subject Headings (MeSH)",
                                                "value_or_pattern": "Low Back Pain",
                                                "note": "Controlled vocabulary descriptor used to index biomedical literature."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of lower back pain 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": [
                                            "World Health Organization guideline for non-surgical management of chronic primary low back pain in adults in primary and community care settings",
                                            "NICE guideline NG59: Low back pain and sciatica in over 16s: assessment and management",
                                            "American College of Physicians clinical practice guideline on noninvasive treatments for acute, subacute, and chronic low back pain"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of lower back pain 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 assessment distinguishes nonspecific symptoms from neurological involvement and specific underlying disease.",
                                            "Rehabilitation uses pain, function and participation measures to assess progress.",
                                            "Occupational health evaluates effects on work capacity and possible workplace adjustments.",
                                            "Epidemiological studies estimate prevalence, disability and healthcare burden.",
                                            "Clinical trials compare treatments using pain intensity, disability and other patient-reported outcomes."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of lower back pain 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": "Pain intensity using a numerical rating scale",
                                                "typical_range": "0-10; instrument bounds, not an expected patient range",
                                                "unit": "score"
                                            },
                                            {
                                                "quantity": "Disability using the Oswestry Disability Index",
                                                "typical_range": "0-100; higher scores indicate greater disability",
                                                "unit": "%"
                                            },
                                            {
                                                "quantity": "Disability using the Roland-Morris Disability Questionnaire",
                                                "typical_range": "0-24 for the original questionnaire; higher scores indicate greater disability",
                                                "unit": "score"
                                            },
                                            {
                                                "quantity": "Symptom duration",
                                                "typical_range": "Common conventions: acute under 6 weeks, subacute 6-12 weeks, chronic over 12 weeks",
                                                "unit": "weeks"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of lower back pain 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": [
                                            "Misclassifying serious causes such as vertebral fracture, infection or malignancy as nonspecific pain.",
                                            "Missing cauda equina syndrome or progressive neurological impairment.",
                                            "Attributing symptoms to incidental imaging abnormalities without clinical correlation.",
                                            "Persistent pain, reduced activity, disability and work loss.",
                                            "Treatment-related harm, including medication adverse effects and complications of unnecessary procedures."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of lower back pain 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": [
                                            "Diagnostic coding differs between WHO ICD editions and national clinical modifications.",
                                            "Access to rehabilitation, multidisciplinary care and occupational support varies across health systems.",
                                            "Imaging, prescribing and procedural practice varies with local guidelines and healthcare arrangements."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of lower back pain 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": "Sciatica",
                                                "difference": "Describes radiating leg pain associated with lumbosacral nerve-root involvement; lower back pain can occur without it."
                                            },
                                            {
                                                "name": "Lumbar radiculopathy",
                                                "difference": "Involves nerve-root dysfunction with neurological deficits such as weakness, sensory loss or altered reflexes; pain alone does not establish it."
                                            },
                                            {
                                                "name": "Lumbar disc herniation",
                                                "difference": "An anatomical abnormality that may cause symptoms or be asymptomatic; it is not synonymous with lower back pain."
                                            },
                                            {
                                                "name": "Axial spondyloarthritis",
                                                "difference": "An inflammatory disease that can cause lower back pain but requires evidence beyond the location of pain."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of lower back pain this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which anatomical definition should govern the lower back boundary, and how should ambiguous flank, pelvic or hip descriptions be represented?",
                "Which duration and recovery conventions should distinguish acute, persistent and recurrent episodes across the intended settings?",
                "Which current, jurisdiction-appropriate assessment pathways should govern escalation, and what actions may the intended agent perform?",
                "Which pain and functional measures are appropriate for the intended populations, languages and accessibility needs, and what changes are meaningful to those users?",
                "How should differing clinical uses of nonspecific, primary, secondary and radicular classifications map to this entry and neighbouring disease models?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 17,
                "questions": 25
            }
        },
        "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 lower back pain, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a reported lower back pain episode, record its effects and uncertainties, and identify appropriate assessment or support within its authority.",
            "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: inflammatory low back pain, Acute low back, Back strain, sacroiliac joint dysfunction.",
                "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 58 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 lower back pain, 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": [
                        "inflammatory low back pain",
                        "Acute low back",
                        "Back strain",
                        "sacroiliac joint dysfunction"
                    ]
                }
            ],
            "standing": "Described in 58 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 lower back pain from another, and a lower back pain 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 lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain 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 lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain 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 lower back pain between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a lower back pain 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 lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain 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 lower back pain contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain 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 lower back pain 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 lower back pain 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 lower back pain 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 lower back pain 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 lower back pain, 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 lower back pain 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 lower back pain and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a lower back pain, 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 lower back pain, 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 lower back pain 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 lower back pain is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a lower back pain, 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 lower back pain, 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 lower back pain 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
            }
        }
    }
}