{
    "model": {
        "rank": 3925,
        "code": "thing-q165800",
        "model_id": "vr.tr.geocentric-model",
        "name": "geocentric model",
        "purpose": "Enable an agent to identify a geocentric astronomical model, assess its assumptions and observational adequacy, and determine appropriate historical, educational or computational uses.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.KNW",
        "industry": "",
        "version": "",
        "url": "/models/thing/q165800/",
        "tier": 2,
        "score": 80,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 80,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q165800",
                "url": "https://www.wikidata.org/wiki/Q165800",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:05:12Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 25.7,
                        "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: 01a0878e-53fd-7a02-ae95-3fa7abbefc04\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: geocentric model\nSense to describe: (none recorded)\nDomain code: INF.KNW\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 66.2,
                        "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: 01a0878e-5404-78c2-bef8-e7367648aa1b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: geocentric model\nRegistry id: vr.tr.geocentric-model\nPlane / domain: INF / INF.KNW\nRegistry definition: (none recorded)\nNames folded into this entry:"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q165800",
                "registryId": "vr.tr.geocentric-model",
                "name": "geocentric model",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.KNW"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q165800/",
            "model": {
                "registry_id": "vr.tr.geocentric-model",
                "name": "geocentric model",
                "purpose": "Enable an agent to identify a geocentric astronomical model, assess its assumptions and observational adequacy, and determine appropriate historical, educational or computational uses.",
                "definition": "A geocentric model is an astronomical representation in which Earth occupies the fixed central position and the observed motions of celestial bodies are explained by motions around it.",
                "scope_statement": "This model owns geocentric models as knowledge structures that assign Earth a central role in the arrangement or explanation of celestial motions, including their variants, mathematical constructions, physical commitments and evidential limits; it does not treat geocentrism as an academic discipline or equate every Earth-centred coordinate system with a geocentric cosmology.",
                "in_scope": [
                    "The meaning of Earth's centrality, including whether Earth is stationary, rotating or merely the coordinate origin",
                    "Variant-specific arrangements and motions of the Sun, Moon, planets and stars",
                    "Geometric constructions, parameters and procedures used to predict celestial appearances",
                    "Physical explanations and observational claims associated with a specified version",
                    "Historical attribution, textual reconstruction, evidential limitations and appropriate present uses"
                ],
                "out_of_scope": [
                    "Astronomy as a discipline, including its institutions, qualifications and classification codes",
                    "Celestial bodies and their independently measured physical properties",
                    "Heliocentric and barycentric models except where needed for explicit comparison",
                    "Modern Earth-centred reference systems that make no claim of Earth's privileged physical position",
                    "Religious or philosophical doctrines beyond their documented relationship to a particular model",
                    "Astronomical instruments and tables as standalone artifacts"
                ],
                "distinguishing_features": [
                    "Determine whether Earth is central to the proposed celestial arrangement or is only the origin of a coordinate transformation; the latter alone does not establish geocentric cosmology.",
                    "Record separately what occupies the centre and what remains stationary: a central Earth does not, by itself, specify Earth's rotation.",
                    "Inspect the centre assigned to each body's motion; a construction in which planets circle the Sun while the Sun circles Earth requires a geoheliocentric classification decision.",
                    "Identify the actual machinery of the version, such as nested spheres or deferents and epicycles, without treating one construction as mandatory for every geocentric model.",
                    "Distinguish a rule for predicting apparent positions from a claim about the physical structure of the universe, even when both occur in the same source."
                ],
                "characteristics": [
                    {
                        "name": "Meaning of terrestrial centrality",
                        "kind": "category",
                        "unit_or_values": "Cosmological centre; centre of specified motions; coordinate origin only; mixed or unresolved",
                        "why_it_matters": "Separates substantive geocentrism from routine Earth-centred descriptions."
                    },
                    {
                        "name": "Earth-motion commitment",
                        "kind": "category",
                        "unit_or_values": "Stationary; axially rotating; other explicitly specified motion; unspecified",
                        "why_it_matters": "Determines how the model accounts for daily celestial motion."
                    },
                    {
                        "name": "Centres of celestial motion",
                        "kind": "relation",
                        "unit_or_values": "Each represented body or geometric component linked to its assigned centre of motion",
                        "why_it_matters": "Distinguishes fully geocentric constructions from hybrid arrangements."
                    },
                    {
                        "name": "Geometric apparatus",
                        "kind": "category",
                        "unit_or_values": "Concentric spheres; deferents; epicycles; eccentric circles; equants; other documented constructions",
                        "why_it_matters": "Identifies the mechanisms available to reproduce observed motions."
                    },
                    {
                        "name": "Parameterization",
                        "kind": "measurement",
                        "unit_or_values": "Angles in degrees or radians; periods in a stated time unit; distances in a stated scale or dimensionless ratios; reference epoch",
                        "why_it_matters": "Makes a particular computational realization reproducible."
                    },
                    {
                        "name": "Explanatory commitment",
                        "kind": "category",
                        "unit_or_values": "Kinematic prediction; physical cosmology; combined; interpretively uncertain",
                        "why_it_matters": "Prevents predictive success from being mistaken for support for every associated physical claim."
                    },
                    {
                        "name": "Observational residual",
                        "kind": "measurement",
                        "unit_or_values": "Predicted minus observed quantity, with angular or temporal units, dataset, uncertainty and fitting conditions",
                        "why_it_matters": "Allows assessment of a specified version against specified observations."
                    },
                    {
                        "name": "Source and reconstruction status",
                        "kind": "state",
                        "unit_or_values": "Directly documented; reconstructed from multiple sources; modern adaptation; disputed attribution",
                        "why_it_matters": "Separates historical evidence from assumptions introduced by an interpreter."
                    }
                ],
                "affordances": [
                    "Classify a candidate account by its treatment of Earth's position, motion and explanatory role.",
                    "Reconstruct a documented variant while explicitly identifying missing parameters and interpretive choices.",
                    "Calculate apparent celestial positions when the version supplies sufficient geometry, parameters and time conventions.",
                    "Compare predictions with observations and competing models under matched evaluation conditions.",
                    "Explain retrograde motion, daily motion or other appearances through the mechanisms of a named variant.",
                    "Select an appropriate historical demonstration or computational use and disclose the claims it does not establish."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "earth-centrality-and-model-boundaries",
                        "name": "Earth centrality and model boundaries",
                        "description": "Establishes what makes the account geocentric and which sense of the term it represents.",
                        "rationale": "Earth-centred coordinates, physical geocentrism and hybrid celestial arrangements can otherwise be conflated.",
                        "layers": [
                            {
                                "id": "centrality-and-earth-motion",
                                "name": "Centrality and Earth motion",
                                "description": "Separates Earth's position from assumptions about its motion.",
                                "findings": [
                                    {
                                        "id": "terrestrial-role",
                                        "name": "Terrestrial role",
                                        "description": "Record the precise centrality and motion commitments made about Earth.",
                                        "questions": [
                                            {
                                                "text": "Is Earth asserted to be the centre of the cosmos, the centre of specified motions, or only the origin used to express positions?",
                                                "kind": "definition",
                                                "id": "terrestrial-role-q01"
                                            },
                                            {
                                                "text": "Does Earth remain stationary or rotate, and which component of daily apparent motion follows from that choice?",
                                                "kind": "definition",
                                                "id": "terrestrial-role-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "variant-and-hybrid-boundary",
                                "name": "Variant and hybrid boundary",
                                "description": "Identifies the particular construction without creating unsupported registry subdivisions.",
                                "findings": [
                                    {
                                        "id": "variant-membership",
                                        "name": "Variant membership",
                                        "description": "Record the named version and the rule used to include or compare hybrid arrangements.",
                                        "questions": [
                                            {
                                                "text": "Which documented version is represented, and what distinguishes it from other Earth-centred accounts?",
                                                "kind": "provenance",
                                                "id": "variant-membership-q01"
                                            },
                                            {
                                                "text": "If planets circle the Sun while the Sun circles Earth, is that arrangement included here as a variant or linked as a neighbouring geoheliocentric model?",
                                                "kind": "boundary",
                                                "id": "variant-membership-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "celestial-arrangement-and-kinematics",
                        "name": "Celestial arrangement and kinematics",
                        "description": "Records how the represented heavens are arranged and how their components move.",
                        "rationale": "A geocentric label alone cannot specify a celestial architecture or generate predictions.",
                        "layers": [
                            {
                                "id": "bodies-centres-and-order",
                                "name": "Bodies, centres and order",
                                "description": "Describes the bodies included and their assigned places in the construction.",
                                "findings": [
                                    {
                                        "id": "celestial-architecture",
                                        "name": "Celestial architecture",
                                        "description": "Record the model's body inventory, centres of motion and asserted ordering.",
                                        "questions": [
                                            {
                                                "text": "Which bodies or stellar structures are represented, and what centre is assigned to each motion?",
                                                "kind": "definition",
                                                "id": "celestial-architecture-q01"
                                            },
                                            {
                                                "text": "Does the version assert physical distances or an ordering of celestial regions, or does it supply only geometry for apparent positions?",
                                                "kind": "boundary",
                                                "id": "celestial-architecture-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "motion-constructions",
                                "name": "Motion constructions",
                                "description": "Describes the geometric components and uniformity rules that produce apparent motion.",
                                "findings": [
                                    {
                                        "id": "kinematic-rules",
                                        "name": "Kinematic rules",
                                        "description": "Record the actual motion-generating mechanisms rather than assuming a standard Ptolemaic package.",
                                        "questions": [
                                            {
                                                "text": "Which spheres, circles, offsets or other constructions are used, and about which points are their motions defined as uniform?",
                                                "kind": "definition",
                                                "id": "kinematic-rules-q01"
                                            },
                                            {
                                                "text": "How does this particular construction produce retrograde motion and changes in apparent planetary speed?",
                                                "kind": "definition",
                                                "id": "kinematic-rules-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "prediction-and-observational-tests",
                        "name": "Prediction and observational tests",
                        "description": "Connects a specified mathematical realization to reproducible predictions and discriminating observations.",
                        "rationale": "Observational performance belongs to a parameterized version and a test, not to the geocentric label in isolation.",
                        "layers": [
                            {
                                "id": "computational-realization",
                                "name": "Computational realization",
                                "description": "Captures the inputs and conventions required to calculate an observable.",
                                "findings": [
                                    {
                                        "id": "prediction-readiness",
                                        "name": "Prediction readiness",
                                        "description": "Determine whether enough information survives or has been reconstructed to run the model.",
                                        "questions": [
                                            {
                                                "text": "What epoch, periods, angular offsets, geometric ratios and time conventions are required, and which are actually available?",
                                                "kind": "measurement",
                                                "id": "prediction-readiness-q01"
                                            },
                                            {
                                                "text": "What procedure converts the model's motions into an apparent position for a stated time and, where necessary, observing location?",
                                                "kind": "action",
                                                "id": "prediction-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "empirical-discrimination",
                                "name": "Empirical discrimination",
                                "description": "Assesses numerical fit and whether an observation separates competing constructions.",
                                "findings": [
                                    {
                                        "id": "observational-adequacy",
                                        "name": "Observational adequacy",
                                        "description": "Record tested predictions, residuals and the exact commitments challenged by evidence.",
                                        "questions": [
                                            {
                                                "text": "Against which observations was this version evaluated, with what residuals and uncertainties, and were those observations also used to fit its parameters?",
                                                "kind": "measurement",
                                                "id": "observational-adequacy-q01"
                                            },
                                            {
                                                "text": "For observations such as Venus's phases, stellar parallax or planetary positions, which specific assumptions are supported, contradicted or left undecided?",
                                                "kind": "boundary",
                                                "id": "observational-adequacy-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "physical-claims-and-explanatory-limits",
                        "name": "Physical claims and explanatory limits",
                        "description": "Separates mathematical descriptions of appearances from claims about celestial reality and causes.",
                        "rationale": "Equivalent or similar apparent motions do not establish equivalent physical explanations.",
                        "layers": [
                            {
                                "id": "physical-interpretation",
                                "name": "Physical interpretation",
                                "description": "Records whether geometric components are also asserted to be physical structures.",
                                "findings": [
                                    {
                                        "id": "ontology-and-causes",
                                        "name": "Ontology and causes",
                                        "description": "Identify the physical entities and causal explanations explicitly attached to the model.",
                                        "questions": [
                                            {
                                                "text": "Are spheres, circles or other components treated as physical structures, mathematical devices, or objects whose status is disputed?",
                                                "kind": "definition",
                                                "id": "ontology-and-causes-q01"
                                            },
                                            {
                                                "text": "What source explicitly supplies the explanation for terrestrial rest or celestial motion, and is that explanation part of this version?",
                                                "kind": "provenance",
                                                "id": "ontology-and-causes-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "coordinate-and-dynamical-comparison",
                                "name": "Coordinate and dynamical comparison",
                                "description": "Examines what survives a change of coordinates and what requires independent physical support.",
                                "findings": [
                                    {
                                        "id": "descriptive-versus-physical-equivalence",
                                        "name": "Descriptive versus physical equivalence",
                                        "description": "Record the limits of comparisons between geocentric descriptions and alternative physical models.",
                                        "questions": [
                                            {
                                                "text": "Can the apparent trajectories being compared be obtained by changing coordinates, or do the constructions make different observable predictions?",
                                                "kind": "boundary",
                                                "id": "descriptive-versus-physical-equivalence-q01"
                                            },
                                            {
                                                "text": "Which claims about forces, privileged rest or the structure of the cosmos require evidence beyond a fit to apparent positions?",
                                                "kind": "boundary",
                                                "id": "descriptive-versus-physical-equivalence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "historical-version-and-agent-use",
                        "name": "Historical version and agent use",
                        "description": "Anchors the model to evidence and governs its reconstruction, presentation and reuse.",
                        "rationale": "An agent must avoid merging different historical accounts or presenting a teaching reconstruction as an original or validated physical theory.",
                        "layers": [
                            {
                                "id": "documented-version",
                                "name": "Documented version",
                                "description": "Tracks the textual and interpretive basis of the represented account.",
                                "findings": [
                                    {
                                        "id": "attribution-and-reconstruction",
                                        "name": "Attribution and reconstruction",
                                        "description": "Distinguish directly documented features from later interpretation and computational completion.",
                                        "questions": [
                                            {
                                                "text": "Which work, passage, edition or surviving representation supports the attribution and each major structural commitment?",
                                                "kind": "provenance",
                                                "id": "attribution-and-reconstruction-q01"
                                            },
                                            {
                                                "text": "Which parameters, diagrams or physical interpretations were supplied by later commentators or modern reconstructors?",
                                                "kind": "provenance",
                                                "id": "attribution-and-reconstruction-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "permitted-uses-and-disclosures",
                                "name": "Permitted uses and disclosures",
                                "description": "Matches the model's documented capabilities to the intended agent action.",
                                "findings": [
                                    {
                                        "id": "use-readiness",
                                        "name": "Use readiness",
                                        "description": "Determine whether a historical explanation, simulation or comparison is adequately supported.",
                                        "questions": [
                                            {
                                                "text": "Does the intended historical explanation, classroom animation or numerical comparison require information that this version lacks?",
                                                "kind": "action",
                                                "id": "use-readiness-q01"
                                            },
                                            {
                                                "text": "What version, reconstruction choices, tested range and unresolved physical claims must accompany the output so users can interpret it correctly?",
                                                "kind": "action",
                                                "id": "use-readiness-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": [
                                            "The sense covered is historical astronomical modelling, not a discipline or a modern coordinate convention.",
                                            "Whether geoheliocentric systems are grouped under geocentrism depends on the classification convention.",
                                            "Specific predictive accuracy, model parameters and identifier assignments require checking against a named model and historical source."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of geocentric model 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": [
                                            "Eudoxan models using concentric celestial spheres",
                                            "Aristotelian geocentric cosmology",
                                            "Ptolemaic models using deferents and epicycles",
                                            "Tychonic geoheliocentric models, in which planets orbit the Sun while the Sun orbits a stationary Earth"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of geocentric model 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": [
                                            "Historically explaining and predicting the apparent positions of the Sun, Moon and planets",
                                            "Historically compiling astronomical tables for calendrical and astrological calculations",
                                            "Teaching the history of astronomy and changes in scientific explanation",
                                            "Reconstructing historical astronomical instruments and computational methods"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of geocentric model 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": [
                                            "Simple concentric circular motions cannot adequately reproduce observed planetary retrograde motion and variations in apparent speed.",
                                            "The standard Ptolemaic arrangement of Venus cannot account for the full sequence of its observed phases.",
                                            "Historical stationary-Earth cosmologies do not provide the modern dynamical explanation of planetary motion supported by gravitation and observations.",
                                            "Treating all geocentric models as identical obscures important differences in their geometry, predictions and physical commitments.",
                                            "Confusing a modern Earth-centred coordinate system with a claim that Earth is physically stationary at the centre of the universe misrepresents contemporary astronomy."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of geocentric model 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": [
                                            "Ancient Greek traditions developed both concentric-sphere cosmologies and mathematical planetary models using epicycles.",
                                            "Astronomers in the medieval Islamic world critically revised Ptolemaic planetary models while often retaining a stationary Earth.",
                                            "Early modern European astronomy included competing Ptolemaic, Copernican and Tychonic systems."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of geocentric model 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": "heliocentric model",
                                                "difference": "Earth moves around the Sun rather than occupying a fixed central position."
                                            },
                                            {
                                                "name": "geoheliocentric model",
                                                "difference": "This hybrid retains a stationary central Earth but makes the Sun the immediate centre of planetary orbits; it is a qualified variety of geocentrism."
                                            },
                                            {
                                                "name": "geocentric coordinate system",
                                                "difference": "It places the coordinate origin at Earth's centre without requiring Earth to be stationary or the physical centre of the universe."
                                            },
                                            {
                                                "name": "Ptolemaic system",
                                                "difference": "It is a particular historical family of geocentric models, not a synonym for every Earth-centred model."
                                            },
                                            {
                                                "name": "flat-Earth model",
                                                "difference": "It concerns Earth's shape; geocentrism concerns its position and motion, and major historical geocentric systems used a spherical Earth."
                                            },
                                            {
                                                "name": "astronomy",
                                                "difference": "Astronomy is the field of inquiry; a geocentric model is one family of representations studied within it."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of geocentric model this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend the full family of geocentric astronomical models or a particular canonical construction, given that no definition is recorded?",
                "Should geoheliocentric arrangements be included as variants of this entry or linked to a separately registered neighbouring concept?",
                "Which primary texts and reliable editions should anchor the initial set of documented variants?",
                "For each selected variant, which geometric components were understood as physical structures, and where does scholarly interpretation remain disputed?",
                "Which parameter sets and observational datasets are sufficiently documented to support reproducible comparisons without silently supplying modern assumptions?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 16,
                "questions": 26
            }
        },
        "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 geocentric model, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to identify a geocentric astronomical model, assess its assumptions and observational adequacy, and determine appropriate historical, educational or computational uses.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted"
            ],
            "distinguishingFeatures": [
                "Described in 80 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 geocentric model, 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": [],
            "standing": "Described in 80 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 geocentric model from another, and a geocentric model 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 geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model 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 geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model 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 geocentric model between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a geocentric model 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 geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model 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 geocentric model contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model 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 geocentric model 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 geocentric model 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 geocentric model 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 geocentric model 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 geocentric model, 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 geocentric model 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 geocentric model and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a geocentric model, 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 geocentric model, 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 geocentric model 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 geocentric model is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a geocentric model, 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 geocentric model, 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 geocentric model 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
            }
        }
    }
}