{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T11:00:52Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.3, "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: 01a09545-fe99-7aa3-b1d2-0a26f15ed448\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: log building\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001 re", "usd": 0.0, "recall": true }, "codex": { "seconds": 65.3, "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: 01a09545-fe8d-72a1-b5dd-ec26504fcfb4\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: log building\nRegistry id: vr.tr.log-building\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:40:24+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "revisions": [ { "at": "2026-10-07T11:41:19+00:00", "engine": "codex", "fields": [ "agent_conduct", "definition", "distinguishing_features", "owners", "purpose", "scope_statement", "visual_identification" ], "answering_review": "fba45b980bc5c683a6ac6c9a11a1e215f4f072c14a13eb7beaaf75ff70956323" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T12:16:35+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q884694", "registryId": "vr.tr.log-building", "name": "log building", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q884694/", "model": { "registry_id": "vr.tr.log-building", "name": "log building", "purpose": "Enable an agent to recognise the log building method, describe its structural behaviour, assess evidence of its performance and condition in buildings, and identify evidence needed before use, maintenance or alteration.", "definition": "Log building is a method of constructing buildings with round, hewn or otherwise shaped timber logs as principal wall members, typically laid horizontally and joined at corners.", "scope_statement": "This model owns the construction method in which enclosing or load-bearing walls are formed substantially from stacked logs or substantially solid shaped timber members, including their joints, moisture behaviour, settlement allowances and interfaces with other building systems; borderline construction types require explicit classification.", "in_scope": [ "Extent and structural role of log wall construction", "Log profiles, corner joints, splices and connections", "Settlement and movement at openings, partitions, roofs and services", "Moisture protection, wall sealing and timber deterioration", "Evidence supporting maintenance, repair and alteration decisions" ], "out_of_scope": [ "Timber-frame buildings whose logs function only as posts or beams", "Conventional framed buildings with decorative log siding", "Individual logs as harvested timber products", "Forestry, logging and sawmill operations", "Land ownership, occupancy administration and architectural style as independent subjects" ], "distinguishing_features": [ "The method uses full wall members of stacked logs rather than log-shaped facing over a separate wall.", "Log walls may support roofs or floors, provide enclosure only, or participate in a hybrid structure.", "Connections between stacked members at corners and wall intersections provide evidence of the method beyond a log-like appearance.", "Opening details and vertical interfaces must accommodate movement of stacked log walls relative to adjoining components.", "The method is independent of building use: a cabin need not use log construction, and log construction is not limited to cabins." ], "characteristics": [ { "name": "Log construction extent", "kind": "category", "unit_or_values": "predominantly log walls; partial log walls; hybrid; uncertain", "why_it_matters": "Establishes applicability and identifies portions requiring neighbouring building models." }, { "name": "Log wall structural role", "kind": "category", "unit_or_values": "load-bearing; enclosure only; mixed; unknown", "why_it_matters": "Determines the significance of damage and the evidence required before removing or cutting members." }, { "name": "Wall member form", "kind": "category", "unit_or_values": "round log; hewn log; milled solid timber; engineered member requiring boundary review; unknown", "why_it_matters": "Supports identification of bearing surfaces, joint geometry and construction boundaries." }, { "name": "Timber identity", "kind": "relation", "unit_or_values": "wall member or group → documented species, grade and treatment record, with identification confidence", "why_it_matters": "Connects condition and repair decisions to the actual material rather than its appearance." }, { "name": "Wall member dimensions", "kind": "measurement", "unit_or_values": "mm; diameter or section width and height, with measurement location", "why_it_matters": "Records wall geometry and supports comparison of original and replacement members." }, { "name": "Corner and inter-course joint form", "kind": "category", "unit_or_values": "documented notch, overlap, profile, bearing and fastening arrangement; unknown", "why_it_matters": "Makes the wall's connections and potential leakage paths inspectable." }, { "name": "Timber moisture content", "kind": "measurement", "unit_or_values": "%, with location, depth, date, instrument and correction method", "why_it_matters": "Supports interpretation of local wetting and change over time." }, { "name": "Remaining settlement allowance", "kind": "measurement", "unit_or_values": "mm at each opening or interface, with date and reference points", "why_it_matters": "Identifies where wall movement may exhaust a gap or adjustment range." }, { "name": "Log wall condition", "kind": "state", "unit_or_values": "mapped observations of checks, decay, insect damage, displacement and joint opening; unassessed", "why_it_matters": "Separates observed symptoms from conclusions about cause and structural significance." }, { "name": "Base and weather protection", "kind": "relation", "unit_or_values": "log wall segment → foundation separation, drainage, roof protection and exposed end-grain details", "why_it_matters": "Locates construction features that influence repeated wetting." } ], "affordances": [ "Classify a candidate building using wall sections, construction records and visible joints.", "Map log walls, connections and hybrid interfaces for targeted inspection.", "Compare dated moisture and movement observations to identify locations needing investigation.", "Identify openings and service connections requiring settlement-detail review.", "Prepare a repair or alteration brief that records affected logs, dependencies and unresolved evidence.", "Record maintenance actions and evaluate their observed effects on wetting, sealing and movement." ], "agent_conduct": { "may": [ "Describe the log building method, corner joints and resulting building condition from inspection records or visible features.", "Report signs of rot, insect damage, settling or moisture to the owner." ], "must_not": [ "Approve structural changes or occupancy without a qualified inspection.", "Recommend open flames, heaters or chimneys near log walls without fire-safe clearances.", "Alter or remove logs from a protected historic building without heritage consent.", "Seal or treat logs with products that trap moisture or harm occupants, regardless of the owner's agreement." ], "requires_human": [ "Replacing load-bearing logs or lifting a building to repair its foundations.", "Any intervention on a log building listed as cultural heritage." ] }, "ethics": { "considerations": [ "Many log buildings are vernacular heritage carrying the craft knowledge of rural communities.", "Timber buildings burn fast, so fire safety protects occupants and neighbours." ], "affected_parties": [ "Occupants", "Owners", "Heritage communities" ] }, "owners": { "steward": "No single owner controls the construction method; building professionals and craft communities maintain its practice, while owners and heritage authorities oversee particular buildings.", "master_systems": [ "Land registries or cadastres record particular buildings rather than ownership of the method.", "Heritage registers record listed buildings that use the method." ] }, "visual_identification": [ "Evidence of the method includes walls of stacked horizontal logs, round or hewn, which may be visible on the outside.", "Corners may show interlocking notched joints, sometimes with log ends projecting.", "Gaps between logs may be filled with chinking or moss." ], "failure_modes_and_hazards": [ "Timber walls are vulnerable to fire spreading through the building.", "Rot and insect attack weaken logs, especially near the ground and where water collects.", "Logs shrink and settle over years, which can jam doors and windows or stress fittings." ], "standards_and_regulation": [ "ICC 400 Standard on the Design and Construction of Log Structures, International Code Council." ], "what_it_is_for": [ "Log construction is used for houses, cabins and other buildings whose principal walls are formed from stacked timber logs.", "It is encountered in both historic structures and contemporary buildings, especially where suitable timber and established woodworking traditions are available.", "Inspection and maintenance consider how the logs, corner joints and openings accommodate moisture changes and settlement." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q884694: log building", "url": "https://www.wikidata.org/wiki/Q884694", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Log building", "url": "https://en.wikipedia.org/wiki/Log_building", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "log-construction-identity", "name": "Log construction identity", "description": "Establishes which parts of the building qualify as log construction and what evidence supports that classification.", "rationale": "Log appearance, cabin use and timber framing can otherwise be mistaken for stacked-log construction.", "layers": [ { "id": "wall-system-boundary", "name": "Wall system boundary", "description": "Separates substantive log walls from cladding and adjacent construction systems.", "findings": [ { "id": "stacked-member-evidence", "name": "Stacked member evidence", "description": "Record evidence of wall composition without inferring concealed construction from the exterior.", "questions": [ { "text": "Which wall sections show stacked full-section logs or solid shaped timber, and which show applied siding?", "kind": "definition", "id": "stacked-member-evidence-q01" }, { "text": "Where does log construction end and framing, masonry or another wall system begin?", "kind": "boundary", "id": "stacked-member-evidence-q02" } ] } ] }, { "id": "member-and-assembly-origin", "name": "Member and assembly origin", "description": "Records the material and construction history needed to interpret the existing log assembly.", "findings": [ { "id": "log-system-provenance", "name": "Log system provenance", "description": "Distinguish verified material and assembly information from visual estimates.", "questions": [ { "text": "What records identify the timber species, member preparation and original assembly method?", "kind": "provenance", "id": "log-system-provenance-q01" }, { "text": "Which logs or wall sections were replaced, relocated or added, and how is that history evidenced?", "kind": "provenance", "id": "log-system-provenance-q02" } ] } ] } ] }, { "id": "log-wall-load-paths", "name": "Log wall load paths", "description": "Describes how stacked members, joints and supports participate in the building structure.", "rationale": "Cuts, deterioration and connection changes require understanding the role of the affected log assembly.", "layers": [ { "id": "bearing-and-support", "name": "Bearing and support", "description": "Maps structural roles from roof and floor interfaces through the log walls to their supports.", "findings": [ { "id": "wall-bearing-role", "name": "Wall bearing role", "description": "Record supported elements and local interruptions in the stacked wall.", "questions": [ { "text": "Which roof, floor and beam loads are carried by each log wall, and what evidence establishes those paths?", "kind": "boundary", "id": "wall-bearing-role-q01" }, { "text": "Where are bearing lengths, wall displacement or loss of support measured, especially beside openings and at lower courses?", "kind": "measurement", "id": "wall-bearing-role-q02" } ] } ] }, { "id": "log-joint-connections", "name": "Log joint connections", "description": "Examines how corners, intersections, splices and fasteners connect the wall assembly.", "findings": [ { "id": "joint-engagement", "name": "Joint engagement", "description": "Document connection geometry and observed condition without assigning unverified capacity.", "questions": [ { "text": "What notch, overlap, splice and fastening arrangements connect the logs at each distinct joint type?", "kind": "definition", "id": "joint-engagement-q01" }, { "text": "Which joints show separation, crushing, splitting or fastener deterioration, and what assessment is needed before intervention?", "kind": "action", "id": "joint-engagement-q02" } ] } ] } ] }, { "id": "settlement-and-movement", "name": "Settlement and movement", "description": "Tracks changes in stacked wall height and compatibility with adjoining components.", "rationale": "A log wall's movement must be interpreted together with details that permit or restrain it.", "layers": [ { "id": "wall-movement-observation", "name": "Wall movement observation", "description": "Separates measured change from assumptions about shrinkage, joint compression or foundation movement.", "findings": [ { "id": "movement-baseline", "name": "Movement baseline", "description": "Establish repeatable observations and keep possible causes explicit.", "questions": [ { "text": "What dated measurements track wall height and level against stable reference points?", "kind": "measurement", "id": "movement-baseline-q01" }, { "text": "What evidence distinguishes timber shrinkage and joint compression from movement of the foundation?", "kind": "boundary", "id": "movement-baseline-q02" } ] } ] }, { "id": "movement-sensitive-interfaces", "name": "Movement-sensitive interfaces", "description": "Records how openings, posts, partitions and services accommodate relative movement.", "findings": [ { "id": "settlement-detail-reserve", "name": "Settlement detail reserve", "description": "Identify available clearances, sliding connections and documented adjustment provisions.", "questions": [ { "text": "What clearance or adjustment range remains above openings and at posts, stairs, partitions and service penetrations?", "kind": "measurement", "id": "settlement-detail-reserve-q01" }, { "text": "Which interfaces are binding or restraining movement, and what documented procedure governs their adjustment?", "kind": "action", "id": "settlement-detail-reserve-q02" } ] } ] } ] }, { "id": "moisture-and-wall-envelope", "name": "Moisture and wall envelope", "description": "Examines wetting, drying and leakage through the distinctive surfaces and joints of log walls.", "rationale": "Wall performance depends on the interaction of exposed timber, inter-course seals and protective details.", "layers": [ { "id": "wetting-and-drying-paths", "name": "Wetting and drying paths", "description": "Locates moisture exposure at lower courses, log ends, checks and adjoining construction.", "findings": [ { "id": "persistent-wetting-locations", "name": "Persistent wetting locations", "description": "Connect moisture observations to specific exposure and drainage conditions.", "questions": [ { "text": "Where do splashback, roof runoff, ground proximity or exposed log ends coincide with repeated wetting?", "kind": "measurement", "id": "persistent-wetting-locations-q01" }, { "text": "What dated moisture readings and weather observations show whether those locations dry between wetting events?", "kind": "measurement", "id": "persistent-wetting-locations-q02" } ] } ] }, { "id": "inter-course-and-opening-seals", "name": "Inter-course and opening seals", "description": "Records seals and leakage paths at log joints, corners and openings.", "findings": [ { "id": "seal-system-condition", "name": "Seal system condition", "description": "Identify installed sealing materials and evidence of their performance as joints move.", "questions": [ { "text": "What chinking, gaskets, sealants or fitted profiles are present, and what records identify their installation requirements?", "kind": "provenance", "id": "seal-system-condition-q01" }, { "text": "Where do inspections or tests locate air or water leakage through log joints and opening interfaces?", "kind": "measurement", "id": "seal-system-condition-q02" } ] } ] } ] }, { "id": "log-condition-and-intervention", "name": "Log condition and intervention", "description": "Connects observed timber damage and proposed work to the affected wall system.", "rationale": "Repair decisions must account for remaining material, joint function and movement compatibility.", "layers": [ { "id": "damage-characterisation", "name": "Damage characterisation", "description": "Distinguishes surface observations from assessed deterioration and loss of function.", "findings": [ { "id": "checks-decay-and-section-loss", "name": "Checks, decay and section loss", "description": "Map damage by member and location while retaining uncertainty about concealed extent.", "questions": [ { "text": "What are the measured location, extent and orientation of checks, softened timber, insect damage or missing material?", "kind": "measurement", "id": "checks-decay-and-section-loss-q01" }, { "text": "What investigation is needed to establish whether the observed damage affects bearing, joint engagement or weather protection?", "kind": "action", "id": "checks-decay-and-section-loss-q02" } ] } ] }, { "id": "repair-and-alteration-compatibility", "name": "Repair and alteration compatibility", "description": "Frames proposed replacements, treatments and new openings against the existing log construction.", "findings": [ { "id": "intervention-dependencies", "name": "Intervention dependencies", "description": "Record the evidence and construction dependencies required to evaluate a proposed intervention.", "questions": [ { "text": "How will a proposed replacement log, splice, coating or seal accommodate the existing profile, moisture conditions and movement?", "kind": "action", "id": "intervention-dependencies-q01" }, { "text": "Before cutting or removing a log, what structural review, temporary support plan and applicable approvals are required for this building?", "kind": "action", "id": "intervention-dependencies-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": [ "With no recorded sense, this entry is interpreted as a building type, not the activity of constructing with logs.", "Whether vertical-log and hybrid post-and-log systems are included varies by architectural classification.", "No source was consulted; applicable building rules and representative dimensional ranges require verification for the jurisdiction and construction system." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of log building 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": [ "Round-log buildings", "Hewn-log buildings", "Milled-log buildings", "Vertical-log buildings" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of log building 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": [ "Permanent dwellings", "Seasonal cabins and holiday accommodation", "Barns and agricultural outbuildings", "Saunas and bathhouses", "Historic buildings preserved as cultural heritage" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of log building 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": [ "Moisture accumulation can cause fungal decay, especially in lower logs, exposed ends and poorly drained joints.", "Drying shrinkage and settlement can distort openings or damage rigidly connected components when movement is not accommodated.", "Gaps between logs can admit air and wind-driven rain as joints or their seals deteriorate.", "Wood-boring insects and termites can damage logs where local conditions support them.", "Fire can char and consume structural timber; large log sections do not make a building fireproof." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of log building 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": [ "Horizontal log construction has established traditions in northern and eastern Europe and North America, with regional differences in corner joints and log shaping.", "Timber species, log dimensions and protective detailing vary with local forests and climate.", "Joint sealing practices include fitted log profiles, traditional chinking materials and modern sealants." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of log building 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": "log cabin", "difference": "A log cabin is a narrower, typically small and comparatively simple type of log building; log buildings also include larger houses and nonresidential structures." }, { "name": "timber-frame building", "difference": "A timber-frame building carries its principal loads through a frame of posts and beams rather than through walls assembled from logs." }, { "name": "log-clad building", "difference": "Log cladding provides an exterior appearance, while the building's principal wall structure is made by another construction system." }, { "name": "wooden building", "difference": "Wooden building is the broader category and includes framed, panelized and other timber construction systems as well as log construction." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of log building this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend log building to include stacked milled solid timber, laminated wall members and non-load-bearing log enclosures?", "Does an existing Vercy world model already cover this concept, and which broader building model should supply shared requirements?", "Which authoritative sources support the construction terminology and regional variations relevant to this entry?", "Which jurisdiction-specific requirements and system documentation govern structural, fire, energy and alteration assessments?", "What evidence supports construction-specific criteria for interpreting checks, moisture readings, settlement allowances and concealed deterioration?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 26 } }