{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T00:25:55Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T10:00:00Z", "ingestedAt": "2026-10-06T07:02:58+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:51:55+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q17507129", "registryId": "vr.tr.watermelon", "name": "watermelon", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.LIV" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q17507129/", "model": { "registry_id": "vr.tr.watermelon", "name": "watermelon", "purpose": "Let an agent identify watermelon and its cultivars, relay cultivation, nutrition and uses, describe origin and economic role, and distinguish watermelon from other melons.", "definition": "An annual vine of the gourd family, Citrullus lanatus, cultivated for its large fruit with sweet, watery red, pink, yellow or orange flesh and a thick green rind, originating in Africa and grown worldwide in warm climates, with thousands of cultivars including seedless triploids and named varieties such as the Chinese 8424 and the Armenian Arevik; watermelon is eaten fresh, juiced and pickled, and China produces most of the world crop.", "what_it_is_for": "Fresh fruit, juice and other foods.", "affordances": [ "identify cultivars and types", "relay cultivation and nutrition", "describe origin and trade", "distinguish from other melons" ], "distinguishing_features": [ "Very high water content", "Seedless triploid cultivars", "Warm-season crop", "African origin" ], "appearance": "A trailing vine with lobed leaves and large round or oblong fruit with a green striped or solid rind.", "visual_identification": [ "Citrullus lanatus fruit with watery sweet flesh", "Seeded, seedless, mini and named cultivars", "Cantaloupe and honeydew are Cucumis melo; the citron melon is a different Citrullus" ], "physical_properties": [ { "quantity": "water content", "typical_range": "about 92", "unit": "percent", "note": "" }, { "quantity": "world production", "typical_range": "about 100 million", "unit": "tonnes", "note": "FAO estimates" }, { "quantity": "largest producer share", "typical_range": "about 60", "unit": "percent", "note": "China" } ], "families_and_kinds": [ "seeded cultivars", "seedless triploid cultivars", "mini and icebox types", "yellow and orange fleshed cultivars", "regional cultivars such as 8424 and Arevik", "citron and wild relatives" ], "related_models": [ { "relation": "is a kind of", "target": "useful plant", "why": "in registry terms" }, { "relation": "is a kind of", "target": "annual plant", "why": "in registry terms" }, { "relation": "belongs to", "target": "Cucurbitaceae", "why": "the gourd family" }, { "relation": "is contrasted with", "target": "melon", "why": "Cucumis melo" } ], "identifiers": [ { "scheme": "taxon", "value_or_pattern": "Citrullus lanatus", "note": "" }, { "scheme": "HS code", "value_or_pattern": "0807.11", "note": "watermelons, fresh" } ], "standards_and_regulation": [ "UNECE and Codex marketing standards for watermelons", "Pesticide residue limits", "Plant variety protection" ], "failure_modes_and_hazards": [ "Fruit diseases such as fusarium wilt", "Food safety issues with cut fruit", "Confusing melon species" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Describe watermelon varieties, cultivation and ripeness indicators.", "Plan irrigation, pollination and harvest for a grower who asked." ], "must_not": [ "Misrepresent a melon's origin, variety or whether it was treated after harvest.", "Recommend eating fruit cut and left unrefrigerated for long periods.", "Pick from a field without the grower's permission.", "Present watermelon as a treatment for a medical condition." ], "requires_human": [ "Deciding when a crop is ready to harvest and sell." ] }, "ethics": { "considerations": [ "Watermelon is a thirsty crop in dry regions, so water use affects neighbours.", "The fruit carries racist caricature in some countries, and imagery needs care." ], "affected_parties": [ "Growers and field workers", "Consumers", "Communities sharing scarce water" ] }, "owners": { "steward": "The grower or holder of the fruit.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q17507129: watermelon", "url": "https://www.wikidata.org/wiki/Q17507129", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Watermelon", "url": "https://en.wikipedia.org/wiki/Watermelon", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "identify", "name": "Identify", "description": "What watermelon this is.", "rationale": "Identity.", "layers": [ { "id": "cultivar", "name": "Cultivar", "description": "Cultivars and types.", "findings": [ { "id": "cultivar-finding", "name": "Cultivar", "description": "Cultivar.", "questions": [ { "text": "Which type or cultivar is it, and what distinguishes it?", "kind": "definition" }, { "text": "Is the fruit a watermelon or another melon?", "kind": "boundary" } ] } ] }, { "id": "botany", "name": "Botany", "description": "Botany.", "findings": [ { "id": "botany-finding", "name": "Botany", "description": "Botany.", "questions": [ { "text": "What are the plant and fruit features, and how are seedless types bred?", "kind": "definition" }, { "text": "Which entry fits the specific cultivar?", "kind": "action" } ] } ] } ] }, { "id": "grow", "name": "Grow", "description": "Cultivation.", "rationale": "Agriculture.", "layers": [ { "id": "cultivation", "name": "Cultivation", "description": "Cultivation.", "findings": [ { "id": "cultivation-finding", "name": "Cultivation", "description": "Cultivation.", "questions": [ { "text": "How are watermelons grown, pollinated and harvested, and how is ripeness judged?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "problems", "name": "Problems", "description": "Pests and diseases.", "findings": [ { "id": "problems-finding", "name": "Problems", "description": "Problems.", "questions": [ { "text": "What pests and diseases affect watermelon, and how are they managed?", "kind": "provenance" }, { "text": "Which entry fits the specific disease?", "kind": "action" } ] } ] } ] }, { "id": "eat", "name": "Eat", "description": "Food and nutrition.", "rationale": "Practice.", "layers": [ { "id": "nutrition", "name": "Nutrition", "description": "Nutrition.", "findings": [ { "id": "nutrition-finding", "name": "Nutrition", "description": "Nutrition.", "questions": [ { "text": "What nutrients does watermelon provide, including lycopene and citrulline?", "kind": "provenance" }, { "text": "Is the user asking for personal dietary advice, which needs a professional?", "kind": "boundary" } ] } ] }, { "id": "uses", "name": "Uses", "description": "Uses.", "findings": [ { "id": "uses-finding", "name": "Uses", "description": "Uses.", "questions": [ { "text": "How is watermelon used fresh, juiced, pickled and in cuisines?", "kind": "provenance" }, { "text": "Which entry fits the specific dish?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and economy.", "rationale": "Context.", "layers": [ { "id": "origin", "name": "Origin", "description": "Origin and history.", "findings": [ { "id": "origin-finding", "name": "Origin", "description": "Origin.", "questions": [ { "text": "Where did watermelon originate, and how did it spread, as research shows?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "economy", "name": "Economy", "description": "Production and trade.", "findings": [ { "id": "economy-finding", "name": "Economy", "description": "Economy.", "questions": [ { "text": "Who produces and trades watermelon, with figures and sources?", "kind": "measurement" }, { "text": "Which entry fits fruit trade?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should seedless watermelon be a separate entry?", "How should FAO data be linked?", "The registry entry has merged aliases naming specific cultivars; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }