{
    "model": {
        "rank": 4196,
        "code": "thing-q76287",
        "model_id": "vr.tr.declination",
        "name": "declination",
        "purpose": "Enable an agent to recognise, interpret, compare and use astronomical declination while preserving the reference frame, time and observational conventions that give its value meaning.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.QLT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q76287/",
        "tier": 2,
        "score": 77,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 77,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q76287",
                "url": "https://www.wikidata.org/wiki/Q76287",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:41:10Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 20.2,
                        "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: 01a087af-6110-7682-984e-e65cd5a4752a\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: declination\nSense to describe: (none recorded)\nDomain code: XCT.REL\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 regi",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 57.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087af-6123-72e2-8604-cac94df5354d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: declination\nRegistry id: vr.tr.declination\nPlane / domain: XCT / XCT.REL\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q76287",
                "registryId": "vr.tr.declination",
                "name": "declination",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.REL"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q76287/",
            "model": {
                "registry_id": "vr.tr.declination",
                "name": "declination",
                "purpose": "Enable an agent to recognise, interpret, compare and use astronomical declination while preserving the reference frame, time and observational conventions that give its value meaning.",
                "definition": "In astronomy, declination is the signed angular coordinate of a direction north or south of the celestial equator in a specified equatorial reference system.",
                "scope_statement": "This model provisionally owns declination in its astronomical sense: the signed angular coordinate of a direction north or south of the celestial equator; the intended registry sense remains unresolved because no definition was supplied.",
                "in_scope": [
                    "Signed angular position relative to a specified celestial equator",
                    "Equatorial reference frames and the conventions needed to interpret declination",
                    "Catalogued, computed and observed declination values",
                    "Temporal variation, uncertainty and compatibility of declination records",
                    "Use of declination in locating targets and assessing observational accessibility"
                ],
                "out_of_scope": [
                    "Magnetic declination between magnetic north and true north",
                    "Grammatical declension and non-astronomical uses of the word",
                    "Right ascension as an independently modelled coordinate",
                    "Complete celestial-object descriptions, orbital models and star catalogues",
                    "Altitude, azimuth, ecliptic latitude and galactic latitude as separate coordinates"
                ],
                "distinguishing_features": [
                    "The reference plane is the celestial equator, distinguishing astronomical declination from ecliptic and galactic latitude.",
                    "Values run from −90° at the south celestial pole through 0° at the equator to +90° at the north celestial pole.",
                    "Declination describes a celestial direction rather than the terrestrial location described by geographic latitude.",
                    "Declination alone fixes neither a unique sky direction nor a target identity; an equatorial position also requires right ascension.",
                    "Unlike altitude, declination is not an angle above an observer's local horizon."
                ],
                "characteristics": [
                    {
                        "name": "Signed declination",
                        "kind": "measurement",
                        "unit_or_values": "Angular degrees in [−90, +90], or an explicitly declared equivalent angular representation",
                        "why_it_matters": "Records the coordinate and permits range checking without confusing angle with right-ascension time units."
                    },
                    {
                        "name": "Reference system and frame",
                        "kind": "relation",
                        "unit_or_values": "Named equatorial reference system and its frame realization, where known",
                        "why_it_matters": "Identifies the axes against which the angle is defined."
                    },
                    {
                        "name": "Equinox convention",
                        "kind": "category",
                        "unit_or_values": "Specified equinox when applicable; not applicable; unknown",
                        "why_it_matters": "Prevents an equinox-dependent coordinate from being interpreted against a different equator and avoids imposing equinox metadata on every system."
                    },
                    {
                        "name": "Coordinate epoch and observation time",
                        "kind": "relation",
                        "unit_or_values": "Dated epochs or timestamps with declared time scales and distinct roles",
                        "why_it_matters": "Separates when a position applies from when an observation was made or a frame was defined."
                    },
                    {
                        "name": "Position convention and observer origin",
                        "kind": "category",
                        "unit_or_values": "Declared position convention, such as astrometric or apparent, and origin, such as barycentric, geocentric or topocentric",
                        "why_it_matters": "Determines which corrections and viewpoint effects a comparison or transformation must address."
                    },
                    {
                        "name": "Declination uncertainty",
                        "kind": "measurement",
                        "unit_or_values": "Angular uncertainty with statistical interpretation and covariance information where available",
                        "why_it_matters": "Supports meaningful comparisons and prevents display precision from being treated as accuracy."
                    },
                    {
                        "name": "Associated celestial direction",
                        "kind": "relation",
                        "unit_or_values": "Target or sightline identifier and corresponding right ascension when available",
                        "why_it_matters": "Connects the scalar coordinate to the direction needed for identification and most transformations."
                    },
                    {
                        "name": "Derivation status",
                        "kind": "state",
                        "unit_or_values": "Catalogued; observation-derived; ephemeris-derived; transformed; insufficiently specified",
                        "why_it_matters": "Makes the evidence and limitations of the value visible before an agent uses it."
                    }
                ],
                "affordances": [
                    "Validate and normalise declination notation while retaining its sign and precision.",
                    "Determine whether two declination values are comparable under their frame, time and observer conventions.",
                    "Transform a complete equatorial direction into another supported frame and extract the resulting declination.",
                    "Propagate a target position to another epoch when the necessary motion information is available.",
                    "Assess declination-based visibility constraints for an observing latitude under stated horizon assumptions.",
                    "Flag values whose missing context prevents reliable pointing, matching or comparison."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "angular-meaning",
                        "name": "Angular meaning",
                        "description": "Establishes which sense of declination is intended and how its signed angle is represented.",
                        "rationale": "A plausible number is unusable if it denotes magnetic declination, uses the wrong reference plane or loses its hemisphere sign.",
                        "layers": [
                            {
                                "id": "celestial-equator-boundary",
                                "name": "Celestial equator boundary",
                                "description": "Identifies the astronomical coordinate and separates adjacent meanings.",
                                "findings": [
                                    {
                                        "id": "intended-declination-sense",
                                        "name": "Intended declination sense",
                                        "description": "Record evidence that the entry denotes angular displacement from the celestial equator; treat the astronomical interpretation as provisional until registry provenance confirms it.",
                                        "questions": [
                                            {
                                                "text": "Does the originating registry record identify astronomical declination, magnetic declination or another sense?",
                                                "kind": "provenance",
                                                "id": "intended-declination-sense-q01"
                                            },
                                            {
                                                "text": "Which equator and pole direction define zero and positive declination in this use?",
                                                "kind": "definition",
                                                "id": "intended-declination-sense-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "signed-angle-encoding",
                                "name": "Signed angle encoding",
                                "description": "Preserves angular units, hemisphere and representational limits.",
                                "findings": [
                                    {
                                        "id": "valid-declination-expression",
                                        "name": "Valid declination expression",
                                        "description": "Record the original notation and its normalised signed angle, preserving a negative sign on subdegree southern values and checking the pole limits.",
                                        "questions": [
                                            {
                                                "text": "Is the value expressed in decimal degrees, signed degrees-minutes-seconds, radians or another explicitly defined angular unit?",
                                                "kind": "measurement",
                                                "id": "valid-declination-expression-q01"
                                            },
                                            {
                                                "text": "Does normalisation preserve the sign of values such as −00°30′ and reject magnitudes greater than 90°?",
                                                "kind": "action",
                                                "id": "valid-declination-expression-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "equatorial-reference-context",
                        "name": "Equatorial reference context",
                        "description": "Records the coordinate axes and positional conventions underlying a declination value.",
                        "rationale": "Different reference frames, equators and observer origins can assign different declinations to the same target.",
                        "layers": [
                            {
                                "id": "frame-and-equator",
                                "name": "Frame and equator",
                                "description": "Distinguishes reference-system identity from shorthand epoch labels.",
                                "findings": [
                                    {
                                        "id": "reference-axis-identification",
                                        "name": "Reference-axis identification",
                                        "description": "Identify the reference system, frame realization and equinox when applicable rather than treating a label such as J2000 as a complete coordinate specification.",
                                        "questions": [
                                            {
                                                "text": "Which reference system and frame realization define the coordinate axes?",
                                                "kind": "provenance",
                                                "id": "reference-axis-identification-q01"
                                            },
                                            {
                                                "text": "If an equinox label is supplied, what does it specify, and is an equinox applicable to this reference system?",
                                                "kind": "definition",
                                                "id": "reference-axis-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "viewpoint-and-corrections",
                                "name": "Viewpoint and corrections",
                                "description": "Determines the origin and reduction conventions represented by the coordinate.",
                                "findings": [
                                    {
                                        "id": "position-convention-identification",
                                        "name": "Position convention identification",
                                        "description": "Record the observer origin and documented treatment of effects such as parallax, aberration, nutation and atmospheric refraction.",
                                        "questions": [
                                            {
                                                "text": "Is this a barycentric, geocentric or topocentric direction, and how does the producer define its position convention?",
                                                "kind": "definition",
                                                "id": "position-convention-identification-q01"
                                            },
                                            {
                                                "text": "Which corrections were applied, and which observer location or environmental inputs were used where relevant?",
                                                "kind": "provenance",
                                                "id": "position-convention-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "time-evidence-and-precision",
                        "name": "Time, evidence and precision",
                        "description": "Connects declination to its applicable time, derivation and uncertainty.",
                        "rationale": "Target motion and changing coordinate conventions must be distinguished from measurement disagreement.",
                        "layers": [
                            {
                                "id": "temporal-applicability",
                                "name": "Temporal applicability",
                                "description": "Identifies when the coordinate applies and what permits extrapolation.",
                                "findings": [
                                    {
                                        "id": "epoch-and-motion-support",
                                        "name": "Epoch and motion support",
                                        "description": "Separate coordinate epoch, observation time and equinox, and record the motion or ephemeris information needed to obtain declination at another time.",
                                        "questions": [
                                            {
                                                "text": "At what epoch or observation time does the declination apply, and which time scale is used?",
                                                "kind": "measurement",
                                                "id": "epoch-and-motion-support-q01"
                                            },
                                            {
                                                "text": "What proper-motion, distance, radial-velocity or ephemeris information is available for the requested time propagation?",
                                                "kind": "action",
                                                "id": "epoch-and-motion-support-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "measurement-support",
                                "name": "Measurement support",
                                "description": "Makes coordinate lineage and uncertainty inspectable.",
                                "findings": [
                                    {
                                        "id": "declination-evidence-and-error",
                                        "name": "Declination evidence and error",
                                        "description": "Link the value to its catalogue, observation or computation and distinguish reported uncertainty, systematic limitations and numerical rounding.",
                                        "questions": [
                                            {
                                                "text": "Which catalogue record, observation reduction or ephemeris computation produced this declination?",
                                                "kind": "provenance",
                                                "id": "declination-evidence-and-error-q01"
                                            },
                                            {
                                                "text": "What angular uncertainty, confidence convention and covariance with other position parameters accompany the value?",
                                                "kind": "measurement",
                                                "id": "declination-evidence-and-error-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "coordinate-use-and-limits",
                        "name": "Coordinate use and limits",
                        "description": "Determines which comparisons, transformations and observing decisions the available declination supports.",
                        "rationale": "Declination is one component of a direction and constrains sky access without independently specifying a target or observing time.",
                        "layers": [
                            {
                                "id": "comparison-and-transformation",
                                "name": "Comparison and transformation",
                                "description": "Checks the prerequisites for comparing values or changing coordinate systems.",
                                "findings": [
                                    {
                                        "id": "compatible-direction-operations",
                                        "name": "Compatible direction operations",
                                        "description": "Require compatible conventions for direct comparison and a sufficiently specified full direction for transformations; treat declination difference as distinct from total angular separation.",
                                        "questions": [
                                            {
                                                "text": "Do the values share compatible reference frames, epochs, observer origins and position conventions?",
                                                "kind": "boundary",
                                                "id": "compatible-direction-operations-q01"
                                            },
                                            {
                                                "text": "Are right ascension and the required transformation inputs available, and how will uncertainty be carried through the operation?",
                                                "kind": "action",
                                                "id": "compatible-direction-operations-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observational-access",
                                "name": "Observational access",
                                "description": "Uses declination to constrain visibility from a specified terrestrial latitude.",
                                "findings": [
                                    {
                                        "id": "latitude-dependent-visibility",
                                        "name": "Latitude-dependent visibility",
                                        "description": "Use declination with observing latitude to assess idealised culmination altitude and rising or circumpolar behaviour, while recording the additional inputs needed for practical scheduling.",
                                        "questions": [
                                            {
                                                "text": "For the observing latitude, what visibility classification follows under the declared horizon and refraction assumptions?",
                                                "kind": "measurement",
                                                "id": "latitude-dependent-visibility-q01"
                                            },
                                            {
                                                "text": "What right ascension, time, longitude, horizon obstruction and observing constraints are still needed before scheduling a usable observation?",
                                                "kind": "action",
                                                "id": "latitude-dependent-visibility-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 registry records no sense; this description assumes astronomical declination. Confirm that magnetic declination or another meaning was not intended.",
                                            "Mean/apparent and geocentric/topocentric describe different aspects of coordinate specification and are not mutually exclusive varieties.",
                                            "This is recalled knowledge, not source-verified research; precision applications require explicit reference-system, epoch and observer conventions."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of declination 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": [
                                            "Mean declination",
                                            "Apparent declination",
                                            "Geocentric declination",
                                            "Topocentric declination"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of declination this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "International Virtual Observatory Alliance Unified Content Descriptor (UCD)",
                                                "value_or_pattern": "pos.eq.dec",
                                                "note": "Identifies an equatorial declination data field, not an individual object."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of declination 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": [
                                            "Specifying celestial positions together with right ascension.",
                                            "Pointing and tracking astronomical telescopes.",
                                            "Determining whether an object can rise or remain circumpolar at an observer's latitude.",
                                            "Matching astronomical observations with catalogue positions."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of declination 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": "Declination",
                                                "typical_range": "−90° to +90° inclusive; negative south and positive north of the celestial equator",
                                                "unit": "degree, often subdivided into arcminutes and arcseconds"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of declination 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": [
                                            "Combining coordinates from incompatible reference systems or equinoxes can give incorrect positions.",
                                            "Neglecting an object's proper motion or the observation epoch can cause pointing and catalogue-matching errors.",
                                            "Confusing geocentric and topocentric coordinates can introduce significant parallax errors for nearby objects.",
                                            "Losing a negative sign or misreading sexagesimal notation can place a target in the wrong direction."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of declination 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": [
                                            "The coordinate convention is global; observer latitude changes visibility rather than reversing the declination sign convention."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of declination 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": "right ascension",
                                                "difference": "Measures position around the celestial equator; declination measures angular displacement north or south of it."
                                            },
                                            {
                                                "name": "ecliptic latitude",
                                                "difference": "Uses the ecliptic as its reference plane rather than the celestial equator."
                                            },
                                            {
                                                "name": "altitude",
                                                "difference": "Measures angular height above an observer's horizon rather than displacement from the celestial equator."
                                            },
                                            {
                                                "name": "magnetic declination",
                                                "difference": "Is the local horizontal angle between magnetic north and true north, not an equatorial celestial coordinate."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of declination this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the source registry identify astronomical declination, or does this undefined entry denote magnetic declination or a broader concept?",
                "Does an existing Vercy world model already own this coordinate concept, requiring this registry entry to link to it?",
                "Which authoritative coordinate references and catalogue conventions should govern the model's treatment of reference systems, equinoxes and position types?",
                "Which operational uses must be supported first: catalogue interpretation, telescope pointing, solar tracking or high-precision astrometry?",
                "What uncertainty and temporal-validity requirements should determine whether a declination record is sufficient for each supported action?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 16,
                "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 declination, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise, interpret, compare and use astronomical declination while preserving the reference frame, time and observational conventions that give its value meaning.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Described in 77 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 declination, 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 77 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 declination from another, and a declination 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 declination, 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 declination, 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 declination 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 declination, 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 declination, 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 declination 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 declination 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 declination, 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 declination, 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 declination 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 declination from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a declination, 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 declination, 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 declination 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 declination 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 declination between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a declination, 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 declination, 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 declination 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 declination, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a declination 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 declination, 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 declination, 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 declination 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 declination 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 declination 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 declination 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 declination 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 declination?",
                                                "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 declination?",
                                                "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 declination 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 declination and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a declination, 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 declination, 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 declination 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 declination is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a declination, 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 declination, 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 declination 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
            }
        }
    }
}