{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T04:26:34Z", "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": 1, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-05T15:00:00Z", "ingestedAt": "2026-10-05T13:11:18+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:52:02+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q806617", "registryId": "vr.tr.bed-q806617", "name": "bed", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.PLC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q806617/", "model": { "registry_id": "vr.tr.bed-q806617", "name": "bed", "purpose": "Let an agent handle a bed as a stratigraphic unit with a position, a lithology and a thickness, within the hierarchy of formation, member and bed.", "definition": "In geology, a layer of sedimentary rock or sediment, the smallest formal lithostratigraphic unit, distinct in composition or texture from the layers above and below and separated from them by bedding planes.", "what_it_is_for": "Describing and correlating the sequence of rock layers, which records past environments and guides mapping, mining and engineering.", "affordances": [ "describe and measure it, in a section log", "correlate it, between outcrops and boreholes", "name it formally, under stratigraphic rules", "extract resources from it, such as coal or ore beds" ], "distinguishing_features": [ "The smallest formal lithostratigraphic unit, below member and formation", "Bounded by bedding planes", "Distinguished by lithology, not by age", "The furniture sense of bed is a different entry" ], "appearance": "A layer in a cliff, quarry face or core, bounded by bedding planes, often with a different colour, grain size or hardness from its neighbours.", "visual_identification": [ "Parallel bedding planes marking its top and base", "Consistent lithology, colour or fossil content within the layer", "Key beds such as volcanic ash layers traceable over wide areas" ], "physical_properties": [ { "quantity": "thickness", "typical_range": "0.01-several", "unit": "metres", "note": "beds thinner than 1 cm are laminae" }, { "quantity": "lateral extent", "typical_range": "metres to hundreds of kilometres", "unit": "distance", "note": "key beds extend far" } ], "families_and_kinds": [ "by lithology: sandstone, shale, limestone, coal, evaporite beds", "key beds and marker beds used for correlation", "by structure: graded, cross-bedded, massive" ], "related_models": [ { "relation": "is part of", "target": "member or formation", "why": "the stratigraphic hierarchy" }, { "relation": "is made of", "target": "sedimentary rock", "why": "its lithology" }, { "relation": "is confused with", "target": "bed as furniture", "why": "a homonym; this entry is geological" }, { "relation": "is dated by", "target": "biostratigraphy or radiometric dating", "why": "age is established separately from lithology" } ], "identifiers": [], "standards_and_regulation": [ "International Stratigraphic Guide (IUGS)", "National stratigraphic codes, such as the North American Stratigraphic Code" ], "failure_modes_and_hazards": [ "Miscorrelating beds between sections, which distorts maps and resource estimates", "Confusing a bed with a lamina or a member", "Weak beds such as clays causing slope failures" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Describe, log and correlate beds from sections, outcrops and borehole records.", "Report formal bed names as published under stratigraphic rules." ], "must_not": [ "Misreport bed thickness or correlation to support a resource or safety claim.", "Sample or excavate beds on protected geological sites without permission.", "Ignore weak beds when advising on slopes, cuttings or foundations." ], "requires_human": [ "Declaring a slope or excavation safe where weak beds are present." ] }, "ethics": { "considerations": [ "Geological interpretation feeds into mining, building and hazard decisions that affect lives and land." ], "affected_parties": [ "People living on or below slopes", "Landowners", "Workers in quarries and mines" ] }, "owners": { "steward": "Nobody owns the concept; the landowner and mineral rights holder answer for a given site.", "master_systems": [ "National geological survey records", "Borehole registers" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q806617: bed", "url": "https://www.wikidata.org/wiki/Q806617", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Bed (geology)", "url": "https://en.wikipedia.org/wiki/Bed_%28geology%29", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "lithology", "name": "Lithology", "description": "What the bed is made of.", "rationale": "A bed is defined by its rock; lithology is the primary fact.", "layers": [ { "id": "composition", "name": "Composition", "description": "Rock type and grain size.", "findings": [ { "id": "composition-finding", "name": "Rock description", "description": "The rock type, grain size and colour.", "questions": [ { "text": "What is the lithology of this bed?", "kind": "definition" }, { "text": "How does it differ from the beds above and below?", "kind": "boundary" } ] } ] }, { "id": "structures", "name": "Sedimentary structures", "description": "Internal structure.", "findings": [ { "id": "structures-finding", "name": "Structures observed", "description": "Bedding type and structures.", "questions": [ { "text": "Which sedimentary structures does it show?", "kind": "definition" }, { "text": "What environment do they indicate?", "kind": "definition" } ] } ] } ] }, { "id": "position-and-hierarchy", "name": "Position and hierarchy", "description": "Where it sits in the sequence.", "rationale": "Stratigraphic position is what makes a bed useful for correlation.", "layers": [ { "id": "position", "name": "Position", "description": "Place in the section.", "findings": [ { "id": "position-finding", "name": "Stratigraphic position", "description": "The level and neighbouring units.", "questions": [ { "text": "Where in the section does this bed sit?", "kind": "definition" }, { "text": "Which member and formation contain it?", "kind": "definition" } ] } ] }, { "id": "naming", "name": "Naming", "description": "Formal or informal name.", "findings": [ { "id": "naming-finding", "name": "Nomenclature", "description": "The name and its status.", "questions": [ { "text": "Is this bed formally named, and where was the name published?", "kind": "provenance" }, { "text": "Where is its type section?", "kind": "provenance" } ] } ] } ] }, { "id": "measurement-and-correlation", "name": "Measurement and correlation", "description": "Thickness, extent and matching.", "rationale": "Thickness and extent drive maps and resource estimates.", "layers": [ { "id": "thickness", "name": "Thickness", "description": "Measured thickness and variation.", "findings": [ { "id": "thickness-finding", "name": "Thickness data", "description": "Measured thickness and its variation.", "questions": [ { "text": "What is the thickness of this bed, and how does it vary?", "kind": "measurement" }, { "text": "How was it measured?", "kind": "provenance" } ] } ] }, { "id": "correlation", "name": "Correlation", "description": "Matching across sections.", "findings": [ { "id": "correlation-finding", "name": "Correlation evidence", "description": "The evidence used to correlate.", "questions": [ { "text": "On what evidence is this bed correlated between sections?", "kind": "provenance" }, { "text": "How confident is the correlation?", "kind": "measurement" } ] } ] } ] }, { "id": "use-and-hazard", "name": "Use and hazard", "description": "Resources and engineering.", "rationale": "Beds carry resources and create hazards that matter beyond geology.", "layers": [ { "id": "resources", "name": "Resources", "description": "Coal, ore or water in the bed.", "findings": [ { "id": "resources-finding", "name": "Resource content", "description": "Resources and their grade.", "questions": [ { "text": "Does this bed carry an economic resource?", "kind": "definition" }, { "text": "What grade and extent are established?", "kind": "measurement" } ] } ] }, { "id": "engineering", "name": "Engineering behaviour", "description": "Strength and stability.", "findings": [ { "id": "engineering-finding", "name": "Engineering properties", "description": "Strength and permeability.", "questions": [ { "text": "What are its strength and permeability?", "kind": "measurement" }, { "text": "Does it pose a stability or groundwater hazard?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should named beds be registered as instances under their formations?", "How should informal and formal beds be distinguished?", "Which properties are needed for engineering use of bed data?", "The registry entry carries no aliases or definition; is the geological sense the one intended?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }