{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:50:15Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00241604, "turns": 1, "seconds": 22.4, "error": null }, "codex": { "seconds": 66.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07b45-887f-7e93-a419-e5e71dbd361b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Northern Hemisphere\nRegistry id: vr.tr.northern-hemisphere\nPlane / domain: XCT / XCT.QLT\nRegistry definition: (none recorded)\nNames folded into this " } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T11:00:00Z", "ingestedAt": "2026-10-06T07:59:22+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-07T11:31:41+00:00", "engine": "codex", "fields": [ "definition" ], "answering_review": "7d9fe6ca6d22186948a25093c8b67f47c4c01f4fd7420074d715ca3e64389b88" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T12:16:32+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "4 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q39061", "registryId": "vr.tr.northern-hemisphere", "name": "Northern Hemisphere", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q39061/", "model": { "registry_id": "vr.tr.northern-hemisphere", "name": "Northern Hemisphere", "purpose": "Enable an AI agent to recognise Earth's Northern Hemisphere, determine whether locations or spatial extents belong to it, and judge when hemispheric comparisons or actions are valid.", "definition": "The Northern Hemisphere is the half of Earth lying north of the equator and containing the North Pole.", "scope_statement": "This model owns the terrestrial region north of the equator, its defining reference frame and boundary conventions, and the conditions for using it as a spatial classification or aggregation extent.", "in_scope": [ "Identity of Earth's Northern Hemisphere relative to the equator and North Pole", "Latitude reference and treatment of the equatorial boundary", "Membership and overlap of points, routes, areas and spatial datasets", "Coverage and comparability of observations aggregated over the Northern Hemisphere", "Limits on interpreting seasonal or environmental patterns at hemispheric scale" ], "out_of_scope": [ "The northern celestial hemisphere and astronomical coordinate systems", "The Southern Hemisphere as an independently described region", "Countries, jurisdictions and their administrative authority", "Detailed climate, weather and ecological processes", "The Global North as a socioeconomic grouping", "Northern hemispheres of other planets or bodies" ], "distinguishing_features": [ "Its defining division is Earth's equator, rather than a political, economic or cultural boundary.", "Positive latitude identifies its interior under a stated terrestrial latitude convention; zero latitude requires an explicit boundary rule.", "It includes the North Pole and excludes the South Pole.", "Its extent spans all longitudes, so longitude alone cannot establish or exclude membership.", "It denotes a terrestrial spatial extent, rather than the part of the celestial sphere north of the celestial equator." ], "characteristics": [ { "name": "Reference body", "kind": "relation", "unit_or_values": "Earth", "why_it_matters": "Distinguishes this registered thing from similarly named regions of other bodies." }, { "name": "Latitude reference", "kind": "category", "unit_or_values": "Declared coordinate reference system and latitude type, such as geodetic or geocentric", "why_it_matters": "Makes numerical positions and boundary calculations interpretable." }, { "name": "Interior latitude range", "kind": "measurement", "unit_or_values": "Degrees north: greater than 0 through 90", "why_it_matters": "Provides the primary point-membership test." }, { "name": "Equator inclusion convention", "kind": "category", "unit_or_values": "Included boundary | excluded boundary | separately classified boundary", "why_it_matters": "Prevents inconsistent treatment or double counting of equatorial features." }, { "name": "Spatial relationship to the hemisphere", "kind": "relation", "unit_or_values": "Wholly inside | wholly outside | crosses equator | touches equator | indeterminate", "why_it_matters": "Supports classification of extended features without reducing them to a representative point." }, { "name": "Northern share of a spatial extent", "kind": "measurement", "unit_or_values": "0-1 or percent, with area or length basis and calculation method stated", "why_it_matters": "Allows cross-equatorial regions and routes to be apportioned for a particular task." }, { "name": "Observation coverage", "kind": "measurement", "unit_or_values": "Percent of declared hemispheric target area and time interval, with sampling basis", "why_it_matters": "Distinguishes hemispheric evidence from observations of a limited northern subset." } ], "affordances": [ "Classify a terrestrial point as northern, southern, equatorial or unresolved.", "Intersect a route, polygon or raster with the northern extent using a declared boundary rule.", "Calculate the northern share of a cross-equatorial feature using an appropriate spatial measure.", "Filter or aggregate observations over a declared Northern Hemisphere extent.", "Check whether a hemispheric comparison uses compatible coverage, weighting and time periods.", "Flag unsupported transfers from hemisphere membership to local climate, season or socioeconomic status." ], "agent_conduct": { "may": [ "Use the Northern Hemisphere as a reference frame for latitude, seasons and climate data.", "State which hemisphere a place lies in from its stated latitude." ], "must_not": [ "Present the Northern Hemisphere's seasons, calendars or star sky as if they held worldwide.", "Treat the northern half of a map as the natural or superior top of the world in descriptions.", "Assign a place to a hemisphere from a guessed position rather than recorded coordinates." ], "requires_human": [ "Publishing hemisphere-wide statistics that rank countries or peoples." ] }, "ethics": { "considerations": [ "Maps and timetables built around the north can make southern experience look like the exception.", "Most of the world's population lives here, so averages for the planet are often northern averages." ], "affected_parties": [ "People in the Southern Hemisphere", "Readers of global data" ] }, "owners": { "steward": "Nobody owns it; geodetic and astronomical bodies define the equator it is measured from.", "master_systems": [] }, "what_it_is_for": [ "The Northern Hemisphere is used to group locations north of Earth's equator in geography, navigation and environmental analysis.", "It provides a broad frame for comparing seasons, climate patterns and population distributions, while local conditions still require finer geographic information." ], "standards_and_regulation": [ "ISO 6709 issued by the International Organization for Standardization specifies representations of geographic coordinates used to express whether a location lies north of the equator.", "ISO 19111 issued by the International Organization for Standardization defines spatial referencing by coordinates, supporting interpretation of latitude within a stated coordinate reference system." ], "failure_modes_and_hazards": [ "Incorrect latitude signs or coordinate interpretation can assign a location to the wrong hemisphere and misdirect navigation or spatial analysis.", "Treating hemispheric seasonal patterns as universal can produce unsuitable agricultural, travel or operational decisions.", "Assigning an equator-crossing region wholly to one hemisphere can distort statistics and geographic comparisons." ], "facets_not_applicable": { "recognition": "The hemispheric boundary is an abstract geographic division that cannot be reliably identified from landscape appearance alone." } }, "sources": [ { "id": "iau-nomenclature", "title": "Gazetteer of Planetary Nomenclature - Coordinate Systems", "url": "https://planetarynames.wr.usgs.gov/", "what_it_supports": "IAU/USGS planetary cartographic convention for defining north and hemispheres on other bodies.", "url_status": "live" }, { "id": "wmo-seasons", "title": "WMO - Meteorological seasons", "url": "https://public.wmo.int/", "what_it_supports": "Operational use of Northern Hemisphere as a meteorological domain and seasonal calendar (DJF winter).", "url_status": "live" }, { "id": "wikidata", "title": "Wikidata item Q39061: Northern Hemisphere", "url": "https://www.wikidata.org/wiki/Q39061", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Northern Hemisphere", "url": "https://en.wikipedia.org/wiki/Northern_Hemisphere", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "terrestrial-hemisphere-identity", "name": "Terrestrial Hemisphere Identity", "description": "Establishes which northern hemisphere the entry denotes and what defines its extent.", "rationale": "The name can refer to terrestrial, celestial or other planetary regions, while the registry supplies no definition.", "layers": [ { "id": "earth-and-equatorial-division", "name": "Earth and Equatorial Division", "description": "Anchors the concept to Earth and its equatorial division.", "findings": [ { "id": "earth-north-of-equator", "name": "Earth North of the Equator", "description": "Record whether the intended referent is the terrestrial region extending northward from the equator to the North Pole.", "questions": [ { "text": "Does the registry intend Earth's geographic Northern Hemisphere?", "kind": "definition", "id": "earth-north-of-equator-q01" }, { "text": "Which authoritative definition supports the equator and North Pole as its defining limits?", "kind": "provenance", "id": "earth-north-of-equator-q02" } ] } ] }, { "id": "nearby-northern-concepts", "name": "Nearby Northern Concepts", "description": "Separates geographic membership from similarly named astronomical and socioeconomic concepts.", "findings": [ { "id": "geographic-north-disambiguation", "name": "Geographic North Disambiguation", "description": "Record contextual evidence distinguishing this extent from the northern celestial hemisphere, Global North and locally defined northern regions.", "questions": [ { "text": "Does the usage describe terrestrial latitude, celestial position or a socioeconomic grouping?", "kind": "definition", "id": "geographic-north-disambiguation-q01" }, { "text": "When a source says only 'the north', what evidence permits linking it to this registry entry?", "kind": "boundary", "id": "geographic-north-disambiguation-q02" } ] } ] } ] }, { "id": "equator-and-coordinate-membership", "name": "Equator and Coordinate Membership", "description": "Defines reproducible membership decisions near the equator and at coordinate singularities.", "rationale": "Latitude sign is useful only when the coordinate convention, uncertainty and equator treatment are explicit.", "layers": [ { "id": "latitude-membership-test", "name": "Latitude Membership Test", "description": "Connects terrestrial coordinates to a northern membership decision.", "findings": [ { "id": "latitude-sign-and-reference", "name": "Latitude Sign and Reference", "description": "Record the coordinate reference, north-positive convention and positional uncertainty used to classify a point.", "questions": [ { "text": "Which coordinate reference system and latitude type describe the position?", "kind": "measurement", "id": "latitude-sign-and-reference-q01" }, { "text": "Does the position's uncertainty interval remain north of zero latitude or cross the equator?", "kind": "boundary", "id": "latitude-sign-and-reference-q02" } ] } ] }, { "id": "equatorial-and-polar-cases", "name": "Equatorial and Polar Cases", "description": "Handles zero latitude, the North Pole and longitude wraparound consistently.", "findings": [ { "id": "boundary-and-pole-policy", "name": "Boundary and Pole Policy", "description": "Record how equatorial positions are assigned and ensure that polar or antimeridian representations do not distort hemispheric membership.", "questions": [ { "text": "Are positions exactly on the equator included, excluded or assigned to a separate boundary class?", "kind": "boundary", "id": "boundary-and-pole-policy-q01" }, { "text": "How will the agent preserve North Pole membership and handle antimeridian-crossing geometry despite longitude representation issues?", "kind": "action", "id": "boundary-and-pole-policy-q02" } ] } ] } ] }, { "id": "cross-equatorial-spatial-operations", "name": "Cross-Equatorial Spatial Operations", "description": "Supports operations on features that occupy or traverse both hemispheres.", "rationale": "Countries, oceans, routes and raster cells cannot reliably be classified from a name or centroid alone.", "layers": [ { "id": "extended-feature-membership", "name": "Extended Feature Membership", "description": "Distinguishes whole-feature inclusion from partial overlap and equator contact.", "findings": [ { "id": "feature-equator-relationship", "name": "Feature-Equator Relationship", "description": "Record whether the actual geometry lies north, south, across or along the equator, including disconnected components.", "questions": [ { "text": "Does any part of the feature cross or touch the equator, including detached islands or separate geometry components?", "kind": "boundary", "id": "feature-equator-relationship-q01" }, { "text": "Does the task require whole-feature inclusion, any northern overlap or clipping to the northern portion?", "kind": "action", "id": "feature-equator-relationship-q02" } ] } ] }, { "id": "northern-portion-calculation", "name": "Northern Portion Calculation", "description": "Defines how the northern contribution of an extended feature is measured.", "findings": [ { "id": "hemispheric-apportionment", "name": "Hemispheric Apportionment", "description": "Record the measure, geometry method and boundary allocation used to calculate a feature's northern share.", "questions": [ { "text": "Is the northern share measured by surface area, route length or another task-specific quantity?", "kind": "measurement", "id": "hemispheric-apportionment-q01" }, { "text": "How are equator-crossing raster cells or spatial totals apportioned without assuming an unsupported uniform distribution?", "kind": "action", "id": "hemispheric-apportionment-q02" } ] } ] } ] }, { "id": "hemispheric-evidence-and-interpretation", "name": "Hemispheric Evidence and Interpretation", "description": "Governs the use of the Northern Hemisphere as an observational and comparative extent.", "rationale": "A hemispheric label can conceal incomplete coverage and does not establish uniform seasonal or environmental conditions.", "layers": [ { "id": "hemispheric-observation-coverage", "name": "Hemispheric Observation Coverage", "description": "Checks what a purported Northern Hemisphere observation actually covers.", "findings": [ { "id": "coverage-and-weighting-basis", "name": "Coverage and Weighting Basis", "description": "Record spatial masks, latitude coverage, time interval and weighting before treating a statistic as hemispheric.", "questions": [ { "text": "Does the evidence cover the full northern extent or only selected land, ocean, latitude bands or observing stations?", "kind": "measurement", "id": "coverage-and-weighting-basis-q01" }, { "text": "Which weighting method and time interval make the aggregate suitable for the proposed hemispheric comparison?", "kind": "measurement", "id": "coverage-and-weighting-basis-q02" } ] } ] }, { "id": "seasonal-and-local-inference-limits", "name": "Seasonal and Local Inference Limits", "description": "Separates a northern spatial classification from claims about conditions at a particular location.", "findings": [ { "id": "hemisphere-is-insufficient-local-evidence", "name": "Hemisphere Is Insufficient Local Evidence", "description": "Record the seasonal convention and local evidence needed before applying a hemispheric statement to a tropical, temperate or polar location.", "questions": [ { "text": "Does a seasonal claim use astronomical, meteorological or locally defined seasons?", "kind": "definition", "id": "hemisphere-is-insufficient-local-evidence-q01" }, { "text": "What latitude-specific and local evidence is required before using a hemispheric pattern to guide an action at this location?", "kind": "action", "id": "hemisphere-is-insufficient-local-evidence-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-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Terrestrial Northern Hemisphere (Earth, geographic)", "Celestial Northern Hemisphere (sky north of the celestial equator)", "Celestial Northern Hemisphere of other planets (planetary cartographic north)", "Magnetic Northern Hemisphere (Earth, geomagnetic)", "Seasonal Northern Hemisphere (meteorological / climatic usage)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q39061", "note": "Northern Hemisphere (Earth, geographic)" } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "IAU Working Group for Planetary System Nomenclature - planetary north and coordinate systems", "ISO 19111 / ISO 6709 - geographic coordinate referencing (equator as dividing plane)", "WMO - meteorological products and seasonal definitions by hemisphere" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Climatology and meteorology: NH as a domain for circulation, monsoon, and seasonal forecasts", "Astronomy: celestial northern hemisphere for star charts, constellations, and observatory siting", "Geodesy and mapping: north-of-equator half of Earth in lat/long products", "International law and aviation/maritime practice: routes, time, and seasonal rules that differ north of the equator" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Latitude span", "typical_range": "0 to +90", "unit": "degree" }, { "quantity": "Surface area (Earth land+ocean)", "typical_range": "about 2.55e8", "unit": "km^2" }, { "quantity": "Land fraction of Earth's land", "typical_range": "about 67-68", "unit": "percent" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Confusing geographic north with magnetic north when assigning 'northern' domains", "Applying NH seasonal calendars (e.g. DJF winter) in the Southern Hemisphere or tropics", "Planetary cartography: using Earth's geographic north instead of IAU-defined north on other bodies" ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Tropical countries often do not treat 'Northern Hemisphere' as a lived seasonal category", "Some popular usage treats 'the North' as a political/economic bloc, not the geographic hemisphere" ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Northern Hemisphere (celestial)", "difference": "Sky north of the celestial equator vs. Earth's surface north of the geographic equator; a place can be in Earth's NH while observing southern-sky objects." }, { "name": "Northern polar region / Arctic", "difference": "Arctic is a high-latitude region (commonly ~66.5°N to pole), not the entire hemisphere north of 0°." }, { "name": "Geomagnetic northern hemisphere", "difference": "Divided by the geomagnetic equator, which is offset from the geographic equator." }, { "name": "Global North (development/politics)", "difference": "Socioeconomic grouping (Brandt line etc.), not a geometric half of the planet." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Northern Hemisphere this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry's XCT / XCT.QLT placement intend the terrestrial region, a spatial classification or another meaning of Northern Hemisphere?", "Does an existing Vercy world model already own this concept and require a registry link instead of a separate publication?", "Which authoritative geographic and geodetic sources should establish the definition and coordinate conventions?", "Should the catalogue adopt one equator-inclusion rule, or require each spatial operation to declare its own?", "Does the intended extent cover only Earth's surface, or must atmospheric, subsurface and near-Earth observations be associated through a separately defined projection rule?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 24 } }