{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:18:43Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 24.4, "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: 01a094e8-70b6-7673-a7ae-b622f877d951\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: drain\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 registere", "usd": 0.0, "recall": true }, "codex": { "seconds": 67.6, "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: 01a094e8-70ad-7842-9c8c-b36ed4de69fd\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: drain\nRegistry id: vr.tr.drain\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for " } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:42:12+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:30+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q3951623", "registryId": "vr.tr.drain", "name": "drain", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3951623/", "model": { "registry_id": "vr.tr.drain", "name": "drain", "purpose": "Enable an agent to recognise a drain, assess its ability to collect and convey unwanted liquid, and determine appropriate inspection, maintenance or restriction.", "definition": "A drain is an opening, channel, conduit, or assembly designed to collect and convey unwanted or excess liquid away from a fixture, surface, space, or body of ground.", "scope_statement": "This draft models a physical drainage inlet or bounded drainage assembly that receives unwanted liquid and conveys it toward an identified outlet; whether vr.tr.drain also includes medical drains or landscape drainage works remains unresolved.", "in_scope": [ "The receiving opening, grate, strainer or other liquid-entry interface", "The bounded passage from the receiving interface to a declared downstream connection", "Integral traps, seals, cleanouts and backflow devices where present", "Installed geometry, drainage duty and connection relationships", "Observed flow, obstruction, leakage and maintenance condition" ], "out_of_scope": [ "The complete sewer, stormwater or building drainage network", "Wastewater treatment processes and receiving water bodies", "The sink, shower, roof or paved surface served, except its interface with the drain", "Separate pumps and their power or control systems", "Drain-cleaning equipment and chemical products", "Medical drainage devices pending registry sense verification" ], "distinguishing_features": [ "It has an identifiable liquid-receiving interface and a route toward an outlet; an isolated hole without that drainage role is insufficient.", "Its primary role is removal of unwanted liquid, distinguishing it from a supply outlet intended to deliver liquid for use.", "A pipe belongs to this assembly only within its declared drainage boundary; pipe shape alone does not establish that something is a drain.", "A grate or strainer can be a component of a drain but does not by itself establish the conveyance path.", "A storage receptacle primarily retains liquid; a drain primarily passes it onward, even when an integral trap retains a local seal." ], "characteristics": [ { "name": "Drainage application", "kind": "category", "unit_or_values": "fixture; floor; roof; surface runoff; equipment drainage; other; unresolved", "why_it_matters": "Establishes the receiving environment and the drainage duty to assess." }, { "name": "Assembly boundary", "kind": "relation", "unit_or_values": "receiving interface, included components and downstream handoff", "why_it_matters": "Separates the drain from the surface it serves and the network receiving its discharge." }, { "name": "Intended liquid and entrained material", "kind": "category", "unit_or_values": "identified liquids, expected solids and declared exclusions", "why_it_matters": "Supports judgments about blockage risk, compatibility and permitted use." }, { "name": "Inlet opening geometry", "kind": "measurement", "unit_or_values": "opening dimensions in mm; effective open area in mm²", "why_it_matters": "Describes the entry restriction and what material can enter." }, { "name": "Outlet connection", "kind": "relation", "unit_or_values": "destination, connection type and nominal size with its stated sizing convention", "why_it_matters": "Makes the discharge route and connection compatibility explicit." }, { "name": "Installed drainage gradient", "kind": "measurement", "unit_or_values": "rise/run or % over an identified passage segment; not applicable; unknown", "why_it_matters": "Helps assess the installed route where gravity conveyance is intended." }, { "name": "Discharge performance", "kind": "measurement", "unit_or_values": "L/s with liquid, inlet head in mm and downstream test conditions", "why_it_matters": "Allows meaningful comparison between required flow and documented or observed performance." }, { "name": "Liquid-seal arrangement", "kind": "category", "unit_or_values": "integral trap; external trap; alternative seal; none; unknown", "why_it_matters": "Identifies whether a seal is part of the drain and what evidence is needed to assess it." }, { "name": "Backflow protection", "kind": "category", "unit_or_values": "integral device; external protection; none identified; unknown", "why_it_matters": "Distinguishes a protective component from an unsupported assumption about reverse-flow prevention." }, { "name": "Observed drainage condition", "kind": "state", "unit_or_values": "flows under recorded conditions; slow drainage; standing liquid; blocked; reverse flow; untested", "why_it_matters": "Guides immediate restrictions and further investigation without implying a diagnosis." }, { "name": "Body and joint condition", "kind": "state", "unit_or_values": "intact; cracked; corroded; loose; leaking; inaccessible; unknown", "why_it_matters": "Separates passage performance from structural and containment failures." }, { "name": "Maintenance access", "kind": "category", "unit_or_values": "removable inlet cover; cleanout access; disassembly required; inaccessible; unknown", "why_it_matters": "Determines which inspection and cleaning actions are feasible." } ], "affordances": [ "Identify the served area and trace the declared discharge route.", "Compare observed drainage with a documented duty under matching conditions.", "Inspect accessible openings, strainers, seals and joints for obstruction or damage.", "Select an access route and compatible maintenance method using installation-specific evidence.", "Restrict use or escalate investigation when leakage, reverse flow or unsafe inlet condition is observed.", "Record cleaning or repair and verify drainage afterward under stated conditions." ], "agent_conduct": { "may": [ "Inspect a drain and report blockages, odours, damage or overflow to the owner.", "Clear minor blockages in fixtures it is authorized to maintain using safe methods." ], "must_not": [ "Pour hazardous chemicals, fuels or medicines into drains.", "Connect foul drainage to surface water drains or the reverse.", "Enter or send a person into a sewer or deep drain without confined-space safety measures.", "Leave drain covers or gratings open where people can fall in." ], "requires_human": [ "Excavating or replacing drains, which may affect neighbours or public sewers.", "Responding to a sewage overflow into homes or watercourses." ] }, "ethics": { "considerations": [ "Drains protect public health; failures spread disease and pollution.", "Shared drains mean one person's misuse harms neighbours and rivers." ], "affected_parties": [ "Occupants", "Neighbours", "Sewer workers" ] }, "owners": { "steward": "The property owner for private drains; the sewerage undertaker for public sewers.", "master_systems": [ "Sewer network asset records" ] }, "visual_identification": [ "An opening with a grate, plug hole or cover set into a floor, fixture, road or ground.", "Gullies at kerbsides and manhole covers mark connections to the drainage network." ], "failure_modes_and_hazards": [ "Blockages cause flooding and sewage backflow into buildings.", "Sewer gases can be toxic or explosive in confined spaces.", "Open covers create fall hazards." ], "standards_and_regulation": [ "EN 12056 Gravity drainage systems inside buildings, European Committee for Standardization (CEN)." ], "what_it_is_for": [ "Drains occur in plumbing fixtures, floors, roofs, roads and landscapes where unwanted liquid must be collected and conveyed away.", "They support sanitation, flood prevention and protection of buildings or ground from excess water.", "Inspection considers the receiving drainage system because wastewater, stormwater and contaminated liquids can require different destinations." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3951623: drain", "url": "https://www.wikidata.org/wiki/Q3951623", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Drain (plumbing)", "url": "https://en.wikipedia.org/wiki/Drain_%28plumbing%29", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "drain-identity-and-boundary", "name": "Drain identity and boundary", "description": "Establishes which drainage sense and physical assembly the model describes.", "rationale": "The name drain can refer to different physical extents, so assessment requires an explicit receiving interface and downstream handoff.", "layers": [ { "id": "receiving-role", "name": "Receiving role", "description": "Identifies what unwanted liquid the drain receives and where it originates.", "findings": [ { "id": "drainage-duty", "name": "Drainage duty", "description": "Record the application and intended liquid-removal role without inferring them solely from appearance.", "questions": [ { "text": "What surface, fixture or equipment discharges into this drain, and what liquid is it intended to remove?", "kind": "definition", "id": "drainage-duty-q01" }, { "text": "What registry evidence, installation record or direct observation supports that interpretation of drain?", "kind": "provenance", "id": "drainage-duty-q02" } ] } ] }, { "id": "physical-extent", "name": "Physical extent", "description": "Separates the drain assembly from its served object and downstream network.", "findings": [ { "id": "inlet-to-handoff", "name": "Inlet-to-handoff boundary", "description": "Identify the inlet, included passage and components, and the point where another model takes responsibility.", "questions": [ { "text": "Where does this drain begin and end, and which grate, trap, pipe section or cleanout belongs within that boundary?", "kind": "boundary", "id": "inlet-to-handoff-q01" }, { "text": "Which downstream connection receives its discharge, and is that connection observed or only documented?", "kind": "provenance", "id": "inlet-to-handoff-q02" } ] } ] } ] }, { "id": "liquid-entry-and-conveyance", "name": "Liquid entry and conveyance", "description": "Describes how liquid reaches the inlet and passes through the drain.", "rationale": "A drain can fail to collect liquid despite an open passage, or fail to convey liquid despite an unobstructed inlet.", "layers": [ { "id": "inlet-capture", "name": "Inlet capture", "description": "Examines the receiving opening and its relationship to the served surface.", "findings": [ { "id": "entry-geometry", "name": "Entry geometry", "description": "Record opening geometry, strainer restrictions and inlet elevation relative to the local drainage surface.", "questions": [ { "text": "What are the inlet dimensions and effective open area with the installed grate or strainer?", "kind": "measurement", "id": "entry-geometry-q01" }, { "text": "Does the surrounding surface direct liquid into the inlet, and where does liquid collect or bypass it?", "kind": "measurement", "id": "entry-geometry-q02" } ] } ] }, { "id": "flow-through-assembly", "name": "Flow through the assembly", "description": "Connects passage geometry and driving conditions to documented drainage performance.", "findings": [ { "id": "conditional-discharge-performance", "name": "Conditional discharge performance", "description": "Record discharge performance together with inlet head, passage arrangement and downstream conditions.", "questions": [ { "text": "What drives flow through this drain, and what passage dimensions, gradient or external dependencies are documented?", "kind": "definition", "id": "conditional-discharge-performance-q01" }, { "text": "What flow rate has been measured or rated, at what inlet head and downstream condition?", "kind": "measurement", "id": "conditional-discharge-performance-q02" }, { "text": "What evidence establishes the required drainage duty against which that performance should be judged?", "kind": "provenance", "id": "conditional-discharge-performance-q03" } ] } ] } ] }, { "id": "containment-and-protective-functions", "name": "Containment and protective functions", "description": "Records how the drain contains liquid and manages unwanted passage through its connections.", "rationale": "Successful forward flow does not establish sound joints, an effective seal or protection against reverse flow.", "layers": [ { "id": "body-and-connections", "name": "Body and connections", "description": "Assesses the liquid-containing body, joints and interfaces with the surrounding construction.", "findings": [ { "id": "containment-integrity", "name": "Containment integrity", "description": "Record materials, joint condition and evidence of leakage along the bounded assembly.", "questions": [ { "text": "Which materials and joint types contact the intended liquid, and what documentation supports their suitability?", "kind": "provenance", "id": "containment-integrity-q01" }, { "text": "Where are cracks, corrosion, loose connections or leakage observed, and under what flow conditions?", "kind": "measurement", "id": "containment-integrity-q02" } ] } ] }, { "id": "seals-and-reverse-flow", "name": "Seals and reverse flow", "description": "Identifies installed barriers and distinguishes their intended functions.", "findings": [ { "id": "protection-arrangement", "name": "Protection arrangement", "description": "Record traps, alternative seals and backflow devices separately, including whether they sit outside the drain boundary.", "questions": [ { "text": "Which installed components provide a liquid or gas seal, and which are intended to limit reverse liquid flow?", "kind": "definition", "id": "protection-arrangement-q01" }, { "text": "Which protective components belong to this drain and which belong to the connected system?", "kind": "boundary", "id": "protection-arrangement-q02" }, { "text": "What inspection or test is specified for each protective component, and what result is recorded?", "kind": "action", "id": "protection-arrangement-q03" } ] } ] } ] }, { "id": "drain-condition-and-intervention", "name": "Drain condition and intervention", "description": "Links observed drainage symptoms to permitted inspection, cleaning and return to service.", "rationale": "Slow flow can originate at the inlet, within the assembly or downstream; interventions need evidence and a defined verification step.", "layers": [ { "id": "symptoms-and-localisation", "name": "Symptoms and localisation", "description": "Records visible symptoms and the evidence used to locate a restriction or other failure.", "findings": [ { "id": "drainage-failure-evidence", "name": "Drainage failure evidence", "description": "Separate observations such as standing liquid, debris or reverse flow from proposed causes.", "questions": [ { "text": "What standing liquid, slow discharge, debris accumulation, leakage or reverse flow was observed, and when?", "kind": "measurement", "id": "drainage-failure-evidence-q01" }, { "text": "What accessible inspection can distinguish an inlet obstruction from a passage restriction or downstream problem?", "kind": "action", "id": "drainage-failure-evidence-q02" } ] } ] }, { "id": "maintenance-and-release", "name": "Maintenance and release", "description": "Defines feasible interventions and the evidence required before the drain resumes its intended duty.", "findings": [ { "id": "compatible-intervention", "name": "Compatible intervention", "description": "Record access, method constraints, required competence and post-maintenance verification for the specific drain.", "questions": [ { "text": "Which access points and cleaning or repair methods are allowed by the drain's materials, installation instructions and site requirements?", "kind": "action", "id": "compatible-intervention-q01" }, { "text": "What condition requires restricting use or referring the problem to the downstream system owner or a qualified maintainer?", "kind": "action", "id": "compatible-intervention-q02" }, { "text": "What post-intervention flow and leakage checks demonstrate that the drain can resume its documented duty?", "kind": "action", "id": "compatible-intervention-q03" } ] } ] } ] }, { "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": [ "No sense is recorded: this description assumes a physical drainage component, excluding surgical drains and the drain terminal of a transistor.", "The listed standards concern particular building-drain products, not every kind of drain; applicable editions and local requirements need verification.", "The diameter range is illustrative for small domestic fixture drains and does not cover floor, roof, stormwater, or land drainage generally." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of drain 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": [ "Fixture drain", "Floor drain", "Roof drain", "Trench or channel drain", "Stormwater inlet drain", "Subsurface or French drain" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of drain this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "EN 1253 series, Gullies for buildings - European Committee for Standardization (CEN).", "ASME A112.6.3, Floor and Trench Drains - American Society of Mechanical Engineers (ASME)." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of drain 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": [ "Removing wastewater from sinks, baths, and showers.", "Collecting wash water or accidental spills from floors.", "Removing rainfall from roofs and paved surfaces.", "Intercepting groundwater around foundations or beneath land.", "Collecting liquid discharged from equipment." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of drain 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": "Nominal outlet diameter for small domestic fixture drains", "typical_range": "Approximately 32-50; dependent on fixture and local sizing conventions", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of drain 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": [ "Blockage by sediment, grease, hair, roots, or debris can cause backup and flooding.", "Insufficient capacity or inadequate gradient can cause ponding and slow discharge.", "Cracked conduits or failed joints can leak and damage surrounding structures or soil.", "Where a water-seal trap is fitted, evaporation or siphonage can permit sewer gas to enter occupied spaces.", "Surcharge in a connected drainage network can force contaminated water back through an unprotected drain." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of drain 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 word may denote a fixture outlet, a buried drainage pipe, or an open drainage channel, depending on local usage.", "Permitted connections to sanitary, stormwater, and combined sewer systems vary by jurisdiction.", "Metric nominal sizes and inch-based trade sizes coexist and are not necessarily direct dimensional equivalents." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of drain 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": "Sewer", "difference": "A sewer generally collects and transports wastewater or stormwater from multiple drains; a drain commonly serves a particular fixture, surface, or property." }, { "name": "Trap", "difference": "A trap maintains a barrier, usually a water seal, against gas passage; it is a component associated with some drains rather than the entire drain." }, { "name": "Gutter", "difference": "A gutter is an open channel along an edge that collects and directs runoff, often toward a drain or downpipe." }, { "name": "Sump pump", "difference": "A sump pump actively lifts collected liquid using supplied power; a drain commonly conveys liquid by gravity." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of drain this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend a building or surface-water drain, or a broader concept that includes medical drains and landscape drainage works?", "Does an existing Vercy world model already own this concept, and where should this entry link instead of duplicating it?", "Which drain subtypes require distinct treatment of traps, overflow routes, external pumping or backflow protection?", "Which governing standards, issuing bodies and jurisdiction-specific requirements apply to each supported installation context?", "What authoritative evidence establishes subtype-specific capacities, dimensions, material compatibility and acceptance tests?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 27 } }