{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T08:30:35Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 23.9, "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: 01a094bc-5663-7d81-b232-becc04965299\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: cement render\nSense to describe: (none recorded)\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 r", "usd": 0.0, "recall": true }, "codex": { "seconds": 70.0, "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: 01a094bc-5658-7441-866e-d33f20d52113\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: cement render\nRegistry id: vr.tr.cement-render\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:46:47+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "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-Q3776631", "registryId": "vr.tr.cement-render", "name": "cement render", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.MED" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3776631/", "model": { "registry_id": "vr.tr.cement-render", "name": "cement render", "purpose": "Enable an agent to recognise cement render, assess its suitability and condition on a particular substrate, and identify evidence needed before application, finishing or repair.", "definition": "Cement render is a cement-bound mortar, usually containing sand, water and sometimes lime or other additives, applied to a wall substrate to form a protective or decorative coating.", "scope_statement": "This model owns cement-bound mortar used as a surface coating, from its specified mix through application to the condition of the hardened render; it treats cement render as a construction material and installed finish, with the supplied INF / INF.MED classification requiring verification.", "in_scope": [ "Cementitious binder, aggregate, additives and mixing water", "Render coats, thicknesses, textures and reinforcement", "Substrate compatibility, preparation and adhesion", "Application, curing and readiness for subsequent finishes", "Installed condition, deterioration and repair compatibility" ], "out_of_scope": [ "Structural design and condition of the supporting wall", "Concrete used as a structural or cast building element", "Mortar used principally to bed or joint masonry", "Pure lime render, gypsum plaster and non-cement-bound textured coatings", "Paints, membranes and insulation systems except at their interfaces with render" ], "distinguishing_features": [ "Cement provides a material part of the binder, although lime, polymers or other additions may also be present.", "The mortar is spread over a substrate as a surface coat rather than primarily placed between masonry units or cast as a structural member.", "The term can denote either an unapplied render mix or its hardened coating; an agent must identify which state the record describes.", "A cement-bound base coat remains distinct from any separately applied paint, decorative coating or waterproofing membrane.", "The distinction from cement plaster can depend on regional terminology and intended location, so the name alone is insufficient." ], "characteristics": [ { "name": "Material or installation identity", "kind": "category", "unit_or_values": "product formulation | site mix | mixed batch | applied coat | complete render build-up", "why_it_matters": "Separates properties declared for a mix from conditions observed at a specific installation." }, { "name": "Binder and aggregate composition", "kind": "category", "unit_or_values": "Cement type; lime and other additions; aggregate type and grading; declared proportions with mass or volume basis", "why_it_matters": "Supports identification and evaluation of compatibility without treating all cement renders as interchangeable." }, { "name": "Mixing-water addition", "kind": "measurement", "unit_or_values": "L per bag or batch, with dry-material quantity and any later water additions recorded", "why_it_matters": "Makes batch consistency and departures from the specified mixing procedure assessable." }, { "name": "Supporting substrate", "kind": "relation", "unit_or_values": "Linked masonry, concrete, existing render or approved carrier, including preparation and observed condition", "why_it_matters": "Render suitability and adhesion depend on the actual support and its surface." }, { "name": "Coat build-up", "kind": "measurement", "unit_or_values": "Number and role of coats; thickness in mm per coat and overall; measurement location and method", "why_it_matters": "Allows an agent to compare the installed build-up with its specified system." }, { "name": "Application and curing stage", "kind": "state", "unit_or_values": "dry | freshly mixed | applied | curing | ready for specified finish | in service; timestamps and supporting evidence", "why_it_matters": "Determines which handling, protection and finishing actions are appropriate." }, { "name": "Exposure", "kind": "category", "unit_or_values": "Interior or exterior; rain, splash, ground contact, salts and freeze-thaw exposure where relevant", "why_it_matters": "Connects performance requirements to the conditions the render must withstand." }, { "name": "Bond condition", "kind": "state", "unit_or_values": "unassessed | apparently bonded | suspect hollow areas | locally detached | extensively detached; inspection or test evidence", "why_it_matters": "Helps distinguish cosmetic defects from loss of attachment." }, { "name": "Crack geometry and activity", "kind": "measurement", "unit_or_values": "Width in mm, extent and pattern, with dated observations of change", "why_it_matters": "Supports investigation of movement and selection of repairs." }, { "name": "Moisture-related performance", "kind": "measurement", "unit_or_values": "Declared or tested water absorption and vapour transmission, with units, method and specimen condition", "why_it_matters": "Prevents unsupported assumptions that a cement render is either waterproof or compatible with every moisture-sensitive wall." } ], "affordances": [ "Compare a proposed render mix and coat system with the substrate and exposure requirements.", "Record mixing, preparation, application and curing evidence against the specified procedure.", "Identify missing evidence before authorising another coat or surface finish.", "Map cracks, hollow areas, detachment, staining and surface loss for investigation.", "Compare repair options for compatibility with the existing render and supporting wall." ], "agent_conduct": { "may": [ "Describe cement render, its uses and its compatibility with different wall types.", "Inspect and report cracking, damp or detachment of render on buildings it is authorized to survey." ], "must_not": [ "Recommend cement render on historic or lime-based walls without noting the risk of trapping damp.", "Expose workers to wet cement or cement dust without skin, eye and breathing protection.", "Approve render work on a listed or protected building without the required consent." ], "requires_human": [ "Approving render work on a protected building or one with structural cracking." ] }, "ethics": { "considerations": [ "Wet cement burns skin and dust harms lungs; workers need protection.", "Wrong render can damage historic buildings that belong to the shared heritage." ], "affected_parties": [ "Construction workers", "Building owners", "Occupants" ] }, "owners": { "steward": "The owner of the building; heritage authorities where the building is protected.", "master_systems": [] }, "what_it_is_for": [ "Cement render is used on suitable masonry and concrete walls to provide a protective or decorative surface.", "It is encountered in exterior facades, interior finishes and repair work where compatibility with the substrate and moisture conditions matters." ], "standards_and_regulation": [ "EN 998-1, issued by the European Committee for Standardization, specifies requirements for factory-made rendering and plastering mortars within its scope.", "ASTM C926, issued by ASTM International, specifies the application of Portland cement-based plaster." ], "visual_identification": [ "Exposed cement render commonly has a mineral, sand-textured surface that may be floated smooth or left rough.", "Chipped edges can reveal a distinct mortar coating over masonry or concrete rather than a solid concrete wall.", "Unpainted material is often grey, although pigments and finishes make color alone unreliable for identification." ], "failure_modes_and_hazards": [ "Wet cement render can cause alkaline skin burns and serious eye injury.", "Dust from hardened render can contain respirable crystalline silica and damage the lungs.", "Poor adhesion or deterioration can allow render to detach and injure people or damage property.", "An incompatible or overly rigid coating can retain moisture and contribute to deterioration of the underlying wall." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3776631: cement render", "url": "https://www.wikidata.org/wiki/Q3776631", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Cement render", "url": "https://en.wikipedia.org/wiki/Cement_render", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "render-identity-and-mix", "name": "Render identity and mix", "description": "Establishes what the cement render record represents and which formulation it concerns.", "rationale": "A product name, site recipe and installed coat provide different evidence and must not be conflated.", "layers": [ { "id": "material-boundary", "name": "Material boundary", "description": "Locates the record within cement-bound surface mortars.", "findings": [ { "id": "cement-bound-surface-coat", "name": "Cement-bound surface coat", "description": "Record binder evidence and intended surface-coating use rather than relying on the word render alone.", "questions": [ { "text": "What evidence identifies cement as a binder in this render?", "kind": "definition", "id": "cement-bound-surface-coat-q01" }, { "text": "Does this record describe a render formulation, a mixed batch or an installed coating?", "kind": "boundary", "id": "cement-bound-surface-coat-q02" } ] } ] }, { "id": "formulation-and-batch", "name": "Formulation and batch", "description": "Captures the specified ingredients and the actual preparation of a batch.", "findings": [ { "id": "traceable-render-recipe", "name": "Traceable render recipe", "description": "Keep product declarations or site-mix proportions linked to actual material quantities and additions.", "questions": [ { "text": "Which product document or site specification identifies the cement, aggregate, lime and additives?", "kind": "provenance", "id": "traceable-render-recipe-q01" }, { "text": "What proportions and water additions were used, and were the proportions measured by mass or volume?", "kind": "measurement", "id": "traceable-render-recipe-q02" } ] } ] } ] }, { "id": "substrate-and-interfaces", "name": "Substrate and interfaces", "description": "Describes how the render is supported, bonded and detailed at changes in the wall.", "rationale": "The same render can behave differently on substrates with different suction, surface condition or movement.", "layers": [ { "id": "receiving-surface", "name": "Receiving surface", "description": "Records the substrate properties and preparation relevant to attachment.", "findings": [ { "id": "substrate-readiness", "name": "Substrate readiness", "description": "Assess the actual receiving surface for soundness, contamination, suction and the preparation required by the selected render system.", "questions": [ { "text": "What substrate receives the render, and what evidence records its soundness, cleanliness and suction?", "kind": "measurement", "id": "substrate-readiness-q01" }, { "text": "What preparation, wetting, key or bonding treatment does the selected system require on this surface?", "kind": "action", "id": "substrate-readiness-q02" } ] } ] }, { "id": "movement-and-terminations", "name": "Movement and terminations", "description": "Locates joints, material transitions, openings and exposed edges.", "findings": [ { "id": "render-interface-details", "name": "Render interface details", "description": "Record where render crosses or terminates at interfaces and what joint, bead or reinforcement detail is specified.", "questions": [ { "text": "Where do substrate changes, movement joints, openings and render edges occur?", "kind": "boundary", "id": "render-interface-details-q01" }, { "text": "Which details govern reinforcement, joint continuity and termination at each interface?", "kind": "provenance", "id": "render-interface-details-q02" } ] } ] } ] }, { "id": "coat-application-and-curing", "name": "Coat application and curing", "description": "Tracks the construction of the render build-up and its early protection.", "rationale": "Mix identity alone cannot establish whether coat thickness, timing and curing were suitable.", "layers": [ { "id": "coat-sequence", "name": "Coat sequence", "description": "Records each coat's role, thickness, surface preparation and application time.", "findings": [ { "id": "specified-and-applied-build-up", "name": "Specified and applied build-up", "description": "Compare the actual sequence and thickness of coats with the chosen render specification.", "questions": [ { "text": "What coats were specified and applied, and what thickness was measured for each?", "kind": "measurement", "id": "specified-and-applied-build-up-q01" }, { "text": "What evidence establishes that the preceding coat was ready and suitably prepared for the next coat?", "kind": "action", "id": "specified-and-applied-build-up-q02" } ] } ] }, { "id": "early-age-conditions", "name": "Early-age conditions", "description": "Records weather, protection and curing during application and hardening.", "findings": [ { "id": "curing-and-finish-readiness", "name": "Curing and finish readiness", "description": "Base protection and subsequent finishing decisions on documented conditions and applicable product or project requirements.", "questions": [ { "text": "What temperature, sun, wind and rain conditions accompanied application, and what curing or protection was provided?", "kind": "provenance", "id": "curing-and-finish-readiness-q01" }, { "text": "Which criteria must be met before this render receives its intended paint or other finish?", "kind": "action", "id": "curing-and-finish-readiness-q02" } ] } ] } ] }, { "id": "service-performance", "name": "Service performance", "description": "Connects exposure and intended surface function to evidence about render performance.", "rationale": "Render must be evaluated within its wall and finish system, especially where water and drying are concerned.", "layers": [ { "id": "water-and-drying", "name": "Water and drying", "description": "Addresses rain exposure, absorption and moisture movement through the coated wall.", "findings": [ { "id": "moisture-compatibility", "name": "Moisture compatibility", "description": "Record moisture-related requirements and evidence without assuming the render alone provides a waterproof barrier.", "questions": [ { "text": "What water exposure and drying requirements apply at this location?", "kind": "boundary", "id": "moisture-compatibility-q01" }, { "text": "What declared or measured absorption and vapour-transmission evidence supports the proposed wall and render combination?", "kind": "measurement", "id": "moisture-compatibility-q02" } ] } ] }, { "id": "surface-and-mechanical-duty", "name": "Surface and mechanical duty", "description": "Defines the required finish and resistance to the demands of the installation.", "findings": [ { "id": "render-acceptance-criteria", "name": "Render acceptance criteria", "description": "Keep requirements for texture, evenness, bond and mechanical performance tied to the relevant specification and assessment method.", "questions": [ { "text": "What texture, evenness and visible-finish criteria define an acceptable rendered surface here?", "kind": "definition", "id": "render-acceptance-criteria-q01" }, { "text": "Which bond or mechanical-performance requirements apply, and how are they assessed?", "kind": "measurement", "id": "render-acceptance-criteria-q02" } ] } ] } ] }, { "id": "defects-and-repair", "name": "Defects and repair", "description": "Supports evidence-based assessment of deteriorated render and compatible intervention.", "rationale": "Similar visible symptoms can have different causes, and patching without investigating those causes may not resolve the problem.", "layers": [ { "id": "condition-investigation", "name": "Condition investigation", "description": "Separates observed defects from hypotheses about their origin.", "findings": [ { "id": "mapped-render-distress", "name": "Mapped render distress", "description": "Locate and document cracking, hollow areas, detachment, salt deposits and surface loss before assigning a cause.", "questions": [ { "text": "Where are defects located, how extensive are they, and what dated measurements or inspection records describe them?", "kind": "measurement", "id": "mapped-render-distress-q01" }, { "text": "What evidence distinguishes deterioration within the render from movement, moisture or failure originating in the substrate?", "kind": "boundary", "id": "mapped-render-distress-q02" } ] } ] }, { "id": "intervention-selection", "name": "Intervention selection", "description": "Defines the evidence needed to retain, repair or replace affected render.", "findings": [ { "id": "compatible-render-repair", "name": "Compatible render repair", "description": "Evaluate repair extent, material compatibility and unresolved causes before specifying a patch or replacement.", "questions": [ { "text": "What evidence supports retaining, locally removing or replacing the affected render?", "kind": "action", "id": "compatible-render-repair-q01" }, { "text": "How will the repair's strength, moisture behaviour, thickness and texture be checked against the existing render and substrate?", "kind": "action", "id": "compatible-render-repair-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 supplied domain code INF.MED appears inconsistent with the usual construction-material meaning; confirm that this is the intended registered sense.", "This account is based on recall; no sources were consulted, and current standard editions and applicability require verification.", "Thickness is illustrative rather than a specification; performance and suitability depend on the complete render system and substrate." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of cement render 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": [ "Cement-sand render", "Cement-lime render", "Polymer-modified cement render", "Through-coloured cement render" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of cement render 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": [ "CEN EN 998-1: Specification for mortar for masonry - Rendering and plastering mortar.", "ASTM International ASTM C926: Standard Specification for Application of Portland Cement-Based Plaster." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of cement render 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": [ "Providing a weather-shedding finish to external masonry walls.", "Levelling uneven masonry or concrete surfaces.", "Providing a textured or coloured architectural finish.", "Forming a base for compatible paints or decorative coatings." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of cement render 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": "Total applied thickness of conventional multilayer wall render", "typical_range": "Approximately 10-20; substrate and system specifications can require other thicknesses", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of cement render 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": [ "Shrinkage cracking caused by excessive water, rapid drying or inadequate curing.", "Cracking caused by substrate movement or incompatible stiffness between render and backing.", "Debonding or hollow areas caused by poor surface preparation, inadequate key or unsuitable substrate suction.", "Moisture-related deterioration where cracks, detailing or incompatible coatings allow water accumulation.", "Wet cement can cause alkaline skin burns; cutting or grinding hardened render can generate respirable crystalline silica dust." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of cement render 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": [ "British and Australian usage commonly calls exterior mortar coatings render; comparable North American cement-based exterior finishes are often called stucco.", "Local terminology for render, plaster and stucco overlaps, so composition and application should establish the intended meaning.", "Mix proportions, reinforcement, coat thickness and curing practices vary with climate, substrate and local specifications." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of cement render 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": "Cement", "difference": "Cement is the binder ingredient; cement render is a formulated and applied mortar coating." }, { "name": "Masonry mortar", "difference": "Bedding or jointing mortar connects masonry units; render coats their exposed surfaces." }, { "name": "Lime render", "difference": "Lime render uses lime as its principal binder; cement render relies on cement, although mixed cement-lime formulations overlap." }, { "name": "Gypsum plaster", "difference": "Gypsum plaster uses a gypsum binder rather than a cement binder." }, { "name": "Stucco", "difference": "Stucco can denote the same cement-based exterior coating, but also has broader decorative and historical meanings; the terms are not universally distinct." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of cement render this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend the construction-material sense of cement render, and should its INF / INF.MED assignment be corrected or explicitly explained?", "Which regional definitions distinguish cement render from cement plaster, stucco and cement-lime render for this registry?", "Does an existing Vercy world model already own cement render or a broader render concept to which this entry should link?", "Which primary technical sources and applicable standards establish performance categories and acceptance methods for the intended jurisdictions?", "Where should the boundary fall for proprietary polymer-modified renders and render coats supplied as part of external insulation systems?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }