{
    "model": {
        "rank": 6801,
        "code": "thing-q104486",
        "model_id": "vr.tr.eccentricity",
        "name": "eccentricity",
        "purpose": "Enable an agent to identify, measure and interpret geometric eccentricity while distinguishing the general conic property from orbital and other specialised uses.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.QLT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q104486/",
        "tier": 2,
        "score": 58,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 58,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.eccentricity",
            "source": {
                "dataset": "wikidata",
                "item": "Q104486",
                "url": "https://www.wikidata.org/wiki/Q104486",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:31:50Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 19.9,
                        "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: 01a08882-9ea6-77b3-ba9c-1a4b461ad59f\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: eccentricity\nSense to describe: (none recorded)\nDomain code: XCT.QLT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 007: 1001 re",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 54.1,
                        "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: 01a08882-9eb9-71b3-b595-536c7e084232\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: eccentricity\nRegistry id: vr.tr.eccentricity\nPlane / domain: XCT / XCT.QLT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q104486",
                "registryId": "vr.tr.eccentricity",
                "name": "eccentricity",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.QLT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q104486/",
            "model": {
                "registry_id": "vr.tr.eccentricity",
                "name": "eccentricity",
                "purpose": "Enable an agent to identify, measure and interpret geometric eccentricity while distinguishing the general conic property from orbital and other specialised uses.",
                "definition": "In conic geometry, eccentricity is a nonnegative dimensionless parameter characterising a conic's shape, defined for noncircular conics as the constant ratio of a point's distance from a focus to its perpendicular distance from the corresponding directrix, with zero assigned to the circle.",
                "scope_statement": "This draft provisionally owns eccentricity as the dimensionless geometric property used to distinguish conic shapes and quantify an ellipse's departure from circularity; the undefined registry entry requires confirmation of this sense before publication.",
                "in_scope": [
                    "Definitions of geometric eccentricity and the conventions under which they agree",
                    "Eccentricity of circles, ellipses, parabolas and hyperbolas",
                    "Calculation from conic parameters or fitted geometric observations",
                    "Uncertainty, limiting cases and validity of eccentricity estimates",
                    "Inheritance of the geometric property by specialised models such as orbital eccentricity"
                ],
                "out_of_scope": [
                    "Orbital dynamics, orbital evolution and trajectory-specific interpretation owned by orbital eccentricity",
                    "Behavioural eccentricity, unconventionality and judgments relative to social norms",
                    "Graph-theoretic eccentricity based on distances between vertices",
                    "Mechanical offset between centres or axes, which can be a dimensional distance",
                    "Alternative shape descriptors such as flattening, aspect ratio and circularity except for explicit conversions"
                ],
                "distinguishing_features": [
                    "A geometric eccentricity value requires an identified conic or an explicitly documented conic approximation; an irregular outline alone does not determine a unique value.",
                    "Geometric eccentricity is dimensionless, whereas an off-centre displacement may carry units of length.",
                    "For an ellipse, eccentricity depends on the ratio of focal distance to semimajor-axis length, rather than on absolute size.",
                    "An orbital eccentricity instance adds a trajectory interpretation and orbital assumptions to the underlying conic property.",
                    "The word eccentricity alone does not distinguish geometric, behavioural, graph-theoretic and mechanical senses."
                ],
                "characteristics": [
                    {
                        "name": "Intended sense",
                        "kind": "category",
                        "unit_or_values": "geometric conic | orbital specialisation | other sense | unresolved",
                        "why_it_matters": "Prevents the missing registry definition from silently merging unrelated meanings."
                    },
                    {
                        "name": "Eccentricity value",
                        "kind": "measurement",
                        "unit_or_values": "dimensionless e, conventionally nonnegative for real nondegenerate conics",
                        "why_it_matters": "Provides the quantity used for conic classification and shape comparison."
                    },
                    {
                        "name": "Conic class",
                        "kind": "category",
                        "unit_or_values": "circle | noncircular ellipse | parabola | hyperbola | unresolved or outside scope",
                        "why_it_matters": "Controls the interpretation and valid calculation of the value."
                    },
                    {
                        "name": "Definition convention",
                        "kind": "category",
                        "unit_or_values": "focus-directrix ratio | focal-distance-to-axis ratio | explicitly specified equivalent definition",
                        "why_it_matters": "Makes formulas interpretable and exposes exceptional cases such as the circle."
                    },
                    {
                        "name": "Geometric bearer",
                        "kind": "relation",
                        "unit_or_values": "identified conic, cross-section, projection or fitted contour",
                        "why_it_matters": "Identifies exactly which geometry carries the reported eccentricity."
                    },
                    {
                        "name": "Axis and focal parameters",
                        "kind": "measurement",
                        "unit_or_values": "a, b and c in a common length unit, with parameter meanings stated",
                        "why_it_matters": "Supports reproducible derivation without confusing full axis lengths with semiaxes."
                    },
                    {
                        "name": "Estimate uncertainty",
                        "kind": "measurement",
                        "unit_or_values": "interval or distribution for e, with uncertainty method",
                        "why_it_matters": "Shows whether shape differences or threshold classifications are supported."
                    },
                    {
                        "name": "Representation validity",
                        "kind": "state",
                        "unit_or_values": "exact conic | adequate conic approximation | poor conic approximation | unassessed",
                        "why_it_matters": "Separates a well-defined geometric property from a potentially misleading fitted descriptor."
                    }
                ],
                "affordances": [
                    "Disambiguate an eccentricity claim by its bearer, definition and application context.",
                    "Calculate eccentricity from compatible conic parameters and document the derivation.",
                    "Classify a conic from an eccentricity value while accounting for uncertainty and degeneracy.",
                    "Compare shapes after checking metric, projection and definition compatibility.",
                    "Evaluate whether a conic fit supports reporting eccentricity for an observed contour.",
                    "Pass the geometric property to an orbital or other specialised model for application-specific decisions."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "meaning-and-conic-definition",
                        "name": "Meaning and conic definition",
                        "description": "Establishes which meaning of eccentricity is intended and how the geometric quantity is defined.",
                        "rationale": "The registry supplies no definition, and the same name denotes properties with different bearers and units.",
                        "layers": [
                            {
                                "id": "sense-and-bearer",
                                "name": "Sense and bearer",
                                "description": "Connects an eccentricity claim to the geometry whose property it is.",
                                "findings": [
                                    {
                                        "id": "geometric-sense-identification",
                                        "name": "Geometric sense identification",
                                        "description": "Record evidence that the entry concerns conic geometry, including whether an application-specific bearer is involved.",
                                        "questions": [
                                            {
                                                "text": "Does the originating registry record identify conic geometry, or another meaning of eccentricity?",
                                                "kind": "provenance",
                                                "id": "geometric-sense-identification-q01"
                                            },
                                            {
                                                "text": "What exact curve, section or fitted shape bears this eccentricity?",
                                                "kind": "definition",
                                                "id": "geometric-sense-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "definition-and-class",
                                "name": "Definition and class",
                                "description": "Connects the chosen definition to conic classification and its exceptional cases.",
                                "findings": [
                                    {
                                        "id": "conic-definition-contract",
                                        "name": "Conic definition contract",
                                        "description": "Record the adopted definition and its treatment of e = 0, 0 < e < 1, e = 1 and e > 1; identify degeneracy separately.",
                                        "questions": [
                                            {
                                                "text": "Is eccentricity defined through focus-directrix distances, axis and focal parameters, or another equivalent construction?",
                                                "kind": "definition",
                                                "id": "conic-definition-contract-q01"
                                            },
                                            {
                                                "text": "How does that definition include circles and distinguish valid conics from degenerate cases?",
                                                "kind": "boundary",
                                                "id": "conic-definition-contract-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "derivation-and-observation",
                        "name": "Derivation and observation",
                        "description": "Makes calculated and estimated eccentricities reproducible.",
                        "rationale": "A reported value is interpretable only when its parameters, conventions and estimation method are known.",
                        "layers": [
                            {
                                "id": "parameter-based-calculation",
                                "name": "Parameter-based calculation",
                                "description": "Documents how eccentricity follows from the available geometric parameters.",
                                "findings": [
                                    {
                                        "id": "axis-and-focus-conventions",
                                        "name": "Axis and focus conventions",
                                        "description": "Record parameter meanings, shared units and the formula appropriate to the conic class.",
                                        "questions": [
                                            {
                                                "text": "Are the supplied dimensions semiaxes or full axes, and is focal distance measured from the centre or between foci?",
                                                "kind": "measurement",
                                                "id": "axis-and-focus-conventions-q01"
                                            },
                                            {
                                                "text": "Which formula applies to this conic class, and do its inputs satisfy its geometric constraints?",
                                                "kind": "measurement",
                                                "id": "axis-and-focus-conventions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "estimated-conic-geometry",
                                "name": "Estimated conic geometry",
                                "description": "Separates observations from the conic model fitted to them.",
                                "findings": [
                                    {
                                        "id": "fit-quality-and-uncertainty",
                                        "name": "Fit quality and uncertainty",
                                        "description": "Record sampling, fitting choices, residuals and uncertainty when eccentricity is inferred from a contour or point set.",
                                        "questions": [
                                            {
                                                "text": "Which observations and fitting criterion produced the conic, and how well does it represent the observed boundary?",
                                                "kind": "measurement",
                                                "id": "fit-quality-and-uncertainty-q01"
                                            },
                                            {
                                                "text": "How do observation error, partial coverage and fitting choices affect the reported eccentricity interval?",
                                                "kind": "measurement",
                                                "id": "fit-quality-and-uncertainty-q02"
                                            },
                                            {
                                                "text": "When is the fit too poor to report eccentricity as a useful descriptor?",
                                                "kind": "action",
                                                "id": "fit-quality-and-uncertainty-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "comparability-and-limits",
                        "name": "Comparability and limits",
                        "description": "Determines when eccentricity values support meaningful comparisons.",
                        "rationale": "Scale independence does not make eccentricity independent of projection, geometric distortion or uncertainty.",
                        "layers": [
                            {
                                "id": "transformations-and-metric",
                                "name": "Transformations and metric",
                                "description": "Records the geometric conditions under which values can be compared.",
                                "findings": [
                                    {
                                        "id": "comparison-frame",
                                        "name": "Comparison frame",
                                        "description": "Distinguish uniform scaling and rigid transformations from projection or unequal scaling that can change measured shape.",
                                        "questions": [
                                            {
                                                "text": "Are the compared eccentricities expressed under the same distance metric and definition convention?",
                                                "kind": "boundary",
                                                "id": "comparison-frame-q01"
                                            },
                                            {
                                                "text": "Has perspective, projection or unequal image scaling altered either shape before measurement?",
                                                "kind": "measurement",
                                                "id": "comparison-frame-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "thresholds-and-extremes",
                                "name": "Thresholds and extremes",
                                "description": "Handles values near circularity, conic-class thresholds and degenerate limits.",
                                "findings": [
                                    {
                                        "id": "threshold-interpretation",
                                        "name": "Threshold interpretation",
                                        "description": "Separate exact mathematical classifications from approximate labels applied to uncertain measurements.",
                                        "questions": [
                                            {
                                                "text": "Does the uncertainty support the claimed conic class, especially when the reported value is near one?",
                                                "kind": "measurement",
                                                "id": "threshold-interpretation-q01"
                                            },
                                            {
                                                "text": "What declared tolerance justifies calling an observed ellipse circular or nearly circular?",
                                                "kind": "definition",
                                                "id": "threshold-interpretation-q02"
                                            },
                                            {
                                                "text": "Does an extreme value describe a valid conic, a limiting case or a failed calculation?",
                                                "kind": "boundary",
                                                "id": "threshold-interpretation-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "specialisations-and-use",
                        "name": "Specialisations and use",
                        "description": "Connects general geometric eccentricity to neighbouring models and justified actions.",
                        "rationale": "The batch separately registers orbital eccentricity, so the general model must provide shared geometry without duplicating domain behaviour.",
                        "layers": [
                            {
                                "id": "orbital-inheritance",
                                "name": "Orbital inheritance",
                                "description": "Defines the boundary between a conic property and its application to an orbit.",
                                "findings": [
                                    {
                                        "id": "orbital-specialisation-boundary",
                                        "name": "Orbital specialisation boundary",
                                        "description": "Keep the dimensionless geometric definition here and assign trajectory assumptions, temporal interpretation and dynamical consequences to orbital eccentricity.",
                                        "questions": [
                                            {
                                                "text": "Which parts of an orbital eccentricity claim reuse the conic definition, and which require orbital assumptions?",
                                                "kind": "boundary",
                                                "id": "orbital-specialisation-boundary-q01"
                                            },
                                            {
                                                "text": "Which requested judgments must be handed to the orbital eccentricity model because geometry alone cannot establish them?",
                                                "kind": "action",
                                                "id": "orbital-specialisation-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "descriptor-choice-and-decisions",
                                "name": "Descriptor choice and decisions",
                                "description": "Determines what eccentricity can establish and when another descriptor is required.",
                                "findings": [
                                    {
                                        "id": "interpretation-and-conversion",
                                        "name": "Interpretation and conversion",
                                        "description": "Make conversions and decision thresholds explicit; eccentricity alone does not determine size, orientation or suitability for an application.",
                                        "questions": [
                                            {
                                                "text": "If converting eccentricity to aspect ratio or flattening, which conic class and descriptor convention make the conversion valid?",
                                                "kind": "measurement",
                                                "id": "interpretation-and-conversion-q01"
                                            },
                                            {
                                                "text": "What decision is supported by this value, and what additional geometric or application evidence does that decision require?",
                                                "kind": "action",
                                                "id": "interpretation-and-conversion-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": [
                                            "No sense was recorded; the separate orbital eccentricity entry suggests the conic-geometric sense, but the registry's intended referent needs verification.",
                                            "This is recalled knowledge, with no sources consulted.",
                                            "Applied shape-analysis and optical conventions should be checked before transferring formulas or parameter values between fields."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of eccentricity 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": [
                                            "Circular: e = 0",
                                            "Elliptic, excluding circles: 0 < e < 1",
                                            "Parabolic: e = 1",
                                            "Hyperbolic: e > 1"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of eccentricity 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": [
                                            "Classifying conic sections independently of their size.",
                                            "Describing elliptical shapes in geometry and image analysis.",
                                            "Specifying conic profiles in optical design.",
                                            "Characterising idealised orbital shapes through the specialised concept of orbital eccentricity."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of eccentricity 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": "Conic eccentricity e",
                                                "typical_range": "0 to arbitrarily large positive values; the interval determines the conic class",
                                                "unit": "dimensionless"
                                            },
                                            {
                                                "quantity": "Ellipse eccentricity e = sqrt(1 - b²/a²), where a and b are the semimajor and semiminor axes",
                                                "typical_range": "0 ≤ e < 1 for nondegenerate ellipses",
                                                "unit": "dimensionless"
                                            },
                                            {
                                                "quantity": "Hyperbola eccentricity e = sqrt(1 + b²/a²), where a and b are the transverse and conjugate semiaxes",
                                                "typical_range": "e > 1 for nondegenerate hyperbolas",
                                                "unit": "dimensionless"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of eccentricity 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": [
                                            "Confusing dimensionless conic eccentricity with mechanical eccentricity, which can mean a dimensional offset between centres or axes.",
                                            "Treating eccentricity as interchangeable with flattening or axis ratio.",
                                            "Applying the ellipse formula to a hyperbola.",
                                            "Assuming every irregular shape has a unique eccentricity without specifying a fitting or moment-based convention.",
                                            "Applying the finite focus-directrix construction directly to a circle instead of recognising its limiting status."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of eccentricity 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": "orbital eccentricity",
                                                "difference": "Applies eccentricity to an orbital trajectory or an osculating conic and adds physical dynamics; geometric eccentricity does not require an orbit."
                                            },
                                            {
                                                "name": "flattening",
                                                "difference": "For an ellipse, flattening is (a - b)/a, whereas eccentricity is sqrt(1 - b²/a²)."
                                            },
                                            {
                                                "name": "axis ratio",
                                                "difference": "The ratio b/a compares ellipse semiaxes directly; eccentricity is a nonlinear function of that ratio."
                                            },
                                            {
                                                "name": "mechanical eccentricity",
                                                "difference": "Commonly denotes displacement between a centre or axis and a reference centre or axis, usually measured in units of length."
                                            },
                                            {
                                                "name": "graph eccentricity",
                                                "difference": "Measures the greatest shortest-path distance from a vertex to other vertices, rather than the shape of a conic."
                                            },
                                            {
                                                "name": "behavioural eccentricity",
                                                "difference": "Describes unconventional behaviour relative to social expectations and has no focus-directrix definition."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of eccentricity this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the originating registry identifier denote conic eccentricity, or does XCT.QLT include a different intended sense?",
                "Does an existing Vercy world model already own general conic eccentricity and require this entry to link to it?",
                "Which authoritative mathematical references and conventions should govern circles, degenerate conics and parameter notation?",
                "Should eccentricity estimated from irregular shapes belong here as a documented conic approximation or to a separate shape-analysis model?",
                "What exact inheritance boundary does the separately registered orbital eccentricity model require?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 24
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "abstract concept",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a eccentricity, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to identify, measure and interpret geometric eccentricity while distinguishing the general conic property from orbital and other specialised uses.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "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 eccentricity, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "an abstraction with no physical instance",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about."
            ],
            "relatedModels": [],
            "standing": "Described in 58 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one eccentricity from another, and a eccentricity 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 eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity 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 eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity 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 eccentricity between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a eccentricity 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 eccentricity, 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 eccentricity, 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 eccentricity is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "definitions-in-contest",
                        "name": "Definitions and who holds them",
                        "description": "What eccentricity is taken to mean, and by whom.",
                        "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.",
                        "layers": [
                            {
                                "id": "competing-definitions",
                                "name": "Competing definitions",
                                "description": "The main readings and the traditions behind them.",
                                "findings": [
                                    {
                                        "id": "definition-map",
                                        "name": "Definitions and their holders",
                                        "description": "Each definition with the school or body that holds it.",
                                        "questions": [
                                            {
                                                "id": "definition-map-q01",
                                                "text": "Which definitions of eccentricity are in use, and which tradition or body holds each?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "definition-map-q02",
                                                "text": "What turns on the difference between them in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operationalisation",
                                "name": "Operationalisation",
                                "description": "How it is measured or applied when it has to be.",
                                "findings": [
                                    {
                                        "id": "operational-record",
                                        "name": "Measures and proxies",
                                        "description": "Instruments and indicators used to stand in for it.",
                                        "questions": [
                                            {
                                                "id": "operational-record-q01",
                                                "text": "How is eccentricity operationalised or measured in practice, and by what instrument?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "operational-record-q02",
                                                "text": "What does that operationalisation leave out, and when does that matter?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "instances-and-use",
                        "name": "Instances, use and consequence",
                        "description": "What counts as an instance of eccentricity and what follows from calling something that.",
                        "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.",
                        "layers": [
                            {
                                "id": "instances",
                                "name": "What counts as an instance",
                                "description": "Clear cases, borderline cases and non-cases.",
                                "findings": [
                                    {
                                        "id": "instance-tests",
                                        "name": "Tests for an instance",
                                        "description": "What would settle whether something falls under it.",
                                        "questions": [
                                            {
                                                "id": "instance-tests-q01",
                                                "text": "What would settle whether something is an instance of eccentricity?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "instance-tests-q02",
                                                "text": "Which borderline cases are argued about, and on what grounds?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "consequence",
                                "name": "Consequence of application",
                                "description": "Rights, duties or decisions that follow from the label.",
                                "findings": [
                                    {
                                        "id": "consequence-record",
                                        "name": "What the label licenses",
                                        "description": "What an agent may do once something is classified this way.",
                                        "questions": [
                                            {
                                                "id": "consequence-record-q01",
                                                "text": "What follows practically once something is treated as eccentricity?",
                                                "kind": "action"
                                            },
                                            {
                                                "id": "consequence-record-q02",
                                                "text": "What must an agent not infer from the label alone?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a eccentricity 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 eccentricity and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a eccentricity, 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 eccentricity, 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 eccentricity 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 eccentricity is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a eccentricity, 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 eccentricity, 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 eccentricity is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 12,
                "questions": 32
            }
        }
    }
}