{
    "model": {
        "rank": 3292,
        "code": "thing-q133067",
        "model_id": "vr.tr.mosaic",
        "name": "mosaic",
        "purpose": "Enable an agent to recognise a physical mosaic, assess the condition of its assembled pieces and support, and determine suitable handling, installation or conservation actions.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q133067/",
        "tier": 2,
        "score": 88,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Social Sofa",
                "Soviet mosaics",
                "industrial mosaics",
                "ancient mosaic",
                "mosaic floor",
                "satellite image mosaic",
                "photographic mosaic",
                "Rubik's Cube mosaic",
                "mosaic street art",
                "riseu",
                "trencadís",
                "Byzantine mosaics",
                "Christian mosaic",
                "glass mosaic",
                "pebble mosaic",
                "impressionist mosaics",
                "pietra dura",
                "micromosaic",
                "alicatado",
                "emblema",
                "Byzantine mosaics of Sicily"
            ],
            "aliasCount": 21,
            "merged": 21,
            "knownIn": 88,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.mosaic-artifact",
            "source": {
                "dataset": "wikidata",
                "item": "Q133067",
                "url": "https://www.wikidata.org/wiki/Q133067",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T14:22:21Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 20.6,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07c3e-917e-74b2-bd40-bf34674b7d30\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: mosaic\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 546 things:\n# Batch 003: 1001 registere",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 71.5,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07c3e-915f-7871-bc59-8d94a2bbed7d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: mosaic\nRegistry id: vr.tr.mosaic\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext fo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q133067",
                "registryId": "vr.tr.mosaic",
                "name": "mosaic",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q133067/",
            "model": {
                "registry_id": "vr.tr.mosaic",
                "name": "mosaic",
                "purpose": "Enable an agent to recognise a physical mosaic, assess the condition of its assembled pieces and support, and determine suitable handling, installation or conservation actions.",
                "definition": "A mosaic is a decorative surface or image formed by arranging discrete pieces of stone, glass, ceramic or other material, commonly called tesserae, and securing them to a supporting base.",
                "scope_statement": "This model owns a mosaic as a physical surface or object whose image, pattern or texture is formed by arranged discrete pieces, including their joints, attachment and immediate support; this sense is provisional because the registry provides no definition.",
                "in_scope": [
                    "Discrete pieces and their arrangement into an image, pattern or textured field",
                    "Piece materials, dimensions, surface finishes and replacements",
                    "Joints, bedding, adhesives and the immediate supporting assembly",
                    "Installation geometry, exposed edges and attachment interfaces",
                    "Condition, repair history and constraints on handling or treatment"
                ],
                "out_of_scope": [
                    "Genetic mosaicism and organisms described as mosaics",
                    "Digital image mosaics, photomosaics and geospatial image stitching",
                    "Bulk substances or commercially supplied materials before incorporation into a mosaic",
                    "The complete building, pavement or architectural structure carrying the mosaic",
                    "The artist's career, artistic movement or represented subject as independent entities"
                ],
                "distinguishing_features": [
                    "Determine whether discrete physical pieces form the visible design, rather than pigment alone forming a painting or fresco.",
                    "Determine whether apparent piece boundaries are actual assembly boundaries rather than printed, painted or moulded imitations.",
                    "Establish whether pieces collectively form the composition; distinguish this from a tiled covering whose individual tiles each carry a complete independent decoration, while recording ambiguous cases.",
                    "Inspect how pieces are seated and attached to distinguish the assembly from inlay within a host surface or stained glass held in a framing network; record overlapping techniques explicitly."
                ],
                "characteristics": [
                    {
                        "name": "Mosaic technique",
                        "kind": "category",
                        "unit_or_values": "tessellated pieces | pebbles | cut pieces | mixed technique | other | unresolved",
                        "why_it_matters": "The assembly technique determines which piece boundaries, supports and failure modes an agent must inspect."
                    },
                    {
                        "name": "Piece material distribution",
                        "kind": "relation",
                        "unit_or_values": "Mapped regions or individual pieces linked to identified materials, identification methods and confidence",
                        "why_it_matters": "Different materials within one mosaic may respond differently to wear, moisture and treatment."
                    },
                    {
                        "name": "Piece dimensions and spacing",
                        "kind": "measurement",
                        "unit_or_values": "Piece length, width, thickness and joint width in mm, with ranges and sampled locations",
                        "why_it_matters": "These dimensions describe the assembly scale and inform matching, loss assessment and repair planning."
                    },
                    {
                        "name": "Piece orientation and course pattern",
                        "kind": "category",
                        "unit_or_values": "Recorded course directions, orientation changes, irregular arrangements and unresolved regions",
                        "why_it_matters": "The direction and grouping of pieces contribute to the design and constrain reconstruction."
                    },
                    {
                        "name": "Supporting assembly",
                        "kind": "relation",
                        "unit_or_values": "Ordered links between pieces, joint materials, bedding, intermediate layers and immediate support; unknown layers marked explicitly",
                        "why_it_matters": "A visually intact face may depend on concealed layers whose condition governs safe movement or treatment."
                    },
                    {
                        "name": "Extent and surface geometry",
                        "kind": "measurement",
                        "unit_or_values": "Area in m²; overall dimensions and curvature measurements in mm or m; orientation recorded separately",
                        "why_it_matters": "Extent and geometry affect documentation, access, installation and handling."
                    },
                    {
                        "name": "Assembly condition",
                        "kind": "state",
                        "unit_or_values": "Mapped intact, loose, missing, cracked, displaced, detached or unassessed regions with observation dates",
                        "why_it_matters": "Condition determines whether contact, loading, cleaning or movement can proceed."
                    },
                    {
                        "name": "Original and altered fabric",
                        "kind": "relation",
                        "unit_or_values": "Regions linked to evidence of original work, replacement, infill, reassembly or uncertain attribution",
                        "why_it_matters": "Later interventions can change both the appearance and physical behaviour of the mosaic."
                    }
                ],
                "affordances": [
                    "Map pieces, joints and losses against a scaled image of the mosaic.",
                    "Distinguish observed construction from inferred or inaccessible layers.",
                    "Assess whether loose pieces or support defects require stabilisation before handling.",
                    "Compare proposed replacement pieces and joint materials with the surrounding assembly.",
                    "Plan a locally tested cleaning or conservation intervention using material and condition evidence.",
                    "Track changes in displacement, losses and surface condition through repeated documentation."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "mosaic-identity-and-boundaries",
                        "name": "Mosaic identity and boundaries",
                        "description": "Establishes what physical assembly counts as this mosaic and which interpretation of the name applies.",
                        "rationale": "The registry lacks a definition, and mosaic can denote unrelated phenomena or assemblies that overlap neighbouring techniques.",
                        "layers": [
                            {
                                "id": "physical-mosaic-recognition",
                                "name": "Physical mosaic recognition",
                                "description": "Tests whether the visible composition is formed by an assembly of physical pieces.",
                                "findings": [
                                    {
                                        "id": "piece-built-composition",
                                        "name": "Piece-built composition",
                                        "description": "Record evidence that discrete pieces, their surfaces and their arrangement constitute the design.",
                                        "questions": [
                                            {
                                                "text": "Which visible features establish that the composition consists of separate physical pieces?",
                                                "kind": "definition",
                                                "id": "piece-built-composition-q01"
                                            },
                                            {
                                                "text": "Where does this example overlap tiling, inlay or another technique, and what boundary is being applied?",
                                                "kind": "boundary",
                                                "id": "piece-built-composition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "extent-and-fragment-membership",
                                "name": "Extent and fragment membership",
                                "description": "Defines the mosaic's perimeter and the membership of separated or relocated portions.",
                                "findings": [
                                    {
                                        "id": "whole-fragments-and-surroundings",
                                        "name": "Whole, fragments and surroundings",
                                        "description": "Distinguish the mosaic from its architectural surroundings and record evidence connecting detached portions.",
                                        "questions": [
                                            {
                                                "text": "Which borders, panels, detached fragments and immediate support layers belong to this mosaic?",
                                                "kind": "boundary",
                                                "id": "whole-fragments-and-surroundings-q01"
                                            },
                                            {
                                                "text": "What records or physical correspondences support assigning separated fragments to the same assembly?",
                                                "kind": "provenance",
                                                "id": "whole-fragments-and-surroundings-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "pieces-and-composition",
                        "name": "Pieces and composition",
                        "description": "Describes the constituent pieces and how their placement creates the mosaic's visible structure.",
                        "rationale": "A mosaic's identity depends on relationships between pieces, including material, scale, orientation and spacing.",
                        "layers": [
                            {
                                "id": "piece-material-and-form",
                                "name": "Piece material and form",
                                "description": "Records the material and geometry of pieces without treating the entire mosaic as one homogeneous substance.",
                                "findings": [
                                    {
                                        "id": "piece-populations",
                                        "name": "Piece populations",
                                        "description": "Group or individually document pieces by material, shape, dimensions and finish, retaining identification uncertainty.",
                                        "questions": [
                                            {
                                                "text": "Which piece materials and finishes have been identified, by what methods and with what confidence?",
                                                "kind": "provenance",
                                                "id": "piece-populations-q01"
                                            },
                                            {
                                                "text": "What are the measured size and thickness ranges for each piece population, and where were samples taken?",
                                                "kind": "measurement",
                                                "id": "piece-populations-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "design-and-placement",
                                "name": "Design and placement",
                                "description": "Captures the organisation of pieces into courses, fields, motifs and borders.",
                                "findings": [
                                    {
                                        "id": "placement-grammar",
                                        "name": "Placement grammar",
                                        "description": "Record how piece direction, colour, spacing and grouping establish the composition and its local variations.",
                                        "questions": [
                                            {
                                                "text": "How do piece orientation, course direction and colour grouping define motifs, fields and borders?",
                                                "kind": "definition",
                                                "id": "placement-grammar-q01"
                                            },
                                            {
                                                "text": "Which measured joint widths and placement irregularities must be preserved or considered when matching a missing region?",
                                                "kind": "measurement",
                                                "id": "placement-grammar-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "bedding-support-and-installation",
                        "name": "Bedding, support and installation",
                        "description": "Records the assembly beneath and between pieces and its connection to the installed setting.",
                        "rationale": "The visible pieces alone cannot establish stability; attachment, bedding and support govern how the mosaic remains assembled.",
                        "layers": [
                            {
                                "id": "joints-and-bedding",
                                "name": "Joints and bedding",
                                "description": "Distinguishes materials between pieces from layers beneath them and records their attachment roles.",
                                "findings": [
                                    {
                                        "id": "attachment-layer-sequence",
                                        "name": "Attachment layer sequence",
                                        "description": "Document the observed layer sequence, material identifications and inaccessible interfaces.",
                                        "questions": [
                                            {
                                                "text": "What materials occupy the joints and bedding, and which identifications are observed, tested or inferred?",
                                                "kind": "provenance",
                                                "id": "attachment-layer-sequence-q01"
                                            },
                                            {
                                                "text": "Which interfaces hold pieces in place, and where are voids, separation or uncertain attachment recorded?",
                                                "kind": "measurement",
                                                "id": "attachment-layer-sequence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "support-and-setting",
                                "name": "Support and setting",
                                "description": "Connects the immediate support to surface orientation, surrounding structures and exposure.",
                                "findings": [
                                    {
                                        "id": "installed-load-and-exposure-paths",
                                        "name": "Installed load and exposure paths",
                                        "description": "Record how the mosaic is supported and where loads, movement or water can reach the assembly.",
                                        "questions": [
                                            {
                                                "text": "How is the mosaic supported in its current orientation, including edges, backing and mounting points?",
                                                "kind": "boundary",
                                                "id": "installed-load-and-exposure-paths-q01"
                                            },
                                            {
                                                "text": "What evidence about loading, support movement and water entry constrains access, installation or relocation?",
                                                "kind": "action",
                                                "id": "installed-load-and-exposure-paths-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition-and-intervention",
                        "name": "Condition and intervention",
                        "description": "Links mapped deterioration and alteration history to decisions about preserving or using the mosaic.",
                        "rationale": "Intervention must account for local piece loss, concealed attachment failure and differences between original and replacement materials.",
                        "layers": [
                            {
                                "id": "damage-and-change",
                                "name": "Damage and change",
                                "description": "Documents defects at piece, joint and supporting-layer scales.",
                                "findings": [
                                    {
                                        "id": "mapped-assembly-failures",
                                        "name": "Mapped assembly failures",
                                        "description": "Locate losses, looseness, cracking, displacement and surface alteration while separating observations from proposed causes.",
                                        "questions": [
                                            {
                                                "text": "Where are loose or missing pieces, open joints, cracks and detached regions, and how was each condition assessed?",
                                                "kind": "measurement",
                                                "id": "mapped-assembly-failures-q01"
                                            },
                                            {
                                                "text": "Which defects have changed between dated inspections, and what evidence supports any proposed cause?",
                                                "kind": "provenance",
                                                "id": "mapped-assembly-failures-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "repair-and-treatment-decisions",
                                "name": "Repair and treatment decisions",
                                "description": "Records earlier modifications and the evidence needed to choose further work.",
                                "findings": [
                                    {
                                        "id": "intervention-compatibility",
                                        "name": "Intervention compatibility",
                                        "description": "Connect replacement, cleaning, stabilisation and movement proposals to the mosaic's mixed materials and documented condition.",
                                        "questions": [
                                            {
                                                "text": "Which pieces, joint fills, coatings or backing layers were added or changed, and what documentation identifies those interventions?",
                                                "kind": "provenance",
                                                "id": "intervention-compatibility-q01"
                                            },
                                            {
                                                "text": "What local testing and stability evidence are required before the proposed cleaning, replacement, stabilisation or movement?",
                                                "kind": "action",
                                                "id": "intervention-compatibility-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 sense is inferred from PHY.MAT: this describes a physical decorative assembly, not biological mosaicism or a composite digital image.",
                                            "Mosaic is not a single chemical substance; composition, dimensions, durability and hazards depend on its pieces, binder and support.",
                                            "Applicable installation standards and performance requirements should be checked for the particular materials, use and jurisdiction."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of mosaic 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": [
                                            "Stone mosaic",
                                            "Glass mosaic",
                                            "Ceramic mosaic",
                                            "Pebble mosaic",
                                            "Micromosaic"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of mosaic 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": [
                                            "Decorative floor and wall finishes",
                                            "Architectural murals and religious imagery",
                                            "Swimming pool linings using suitable materials and installation systems",
                                            "Public artworks",
                                            "Small decorative objects and jewellery"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of mosaic 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": [
                                            "Loss of adhesion can cause individual tesserae or whole sections to detach.",
                                            "Movement or cracking in the supporting substrate can disrupt the mosaic.",
                                            "Moisture, soluble salts and freeze-thaw exposure can damage susceptible materials and bedding layers.",
                                            "Wet or polished floor mosaics can present a slipping hazard.",
                                            "Cutting silica-containing tesserae or mortar can generate hazardous respirable dust."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of mosaic 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": [
                                            "Roman mosaic traditions prominently used stone tesserae for floors.",
                                            "Byzantine mosaic traditions prominently used glass and gold-bearing tesserae for walls and vaults.",
                                            "Moroccan zellij uses cut glazed ceramic pieces assembled into geometric patterns."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of mosaic 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": "Tile",
                                                "difference": "A tile is an individual surfacing unit; a mosaic is an arrangement of multiple pieces forming a decorative whole."
                                            },
                                            {
                                                "name": "Terrazzo",
                                                "difference": "Terrazzo generally contains aggregate chips distributed through a binder and exposed by finishing; mosaic pieces are individually arranged."
                                            },
                                            {
                                                "name": "Inlay",
                                                "difference": "Inlay inserts material into recesses in a host surface; a mosaic need not use recesses and can cover its support continuously."
                                            },
                                            {
                                                "name": "Mosaic technique",
                                                "difference": "The technique is the activity of making mosaics; this entry describes the resulting physical surface or object."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of mosaic this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend the physical decorative assembly, a construction product category or another sense of mosaic?",
                "Does an existing Vercy world model already cover this physical mosaic concept and therefore need a registry link instead of a separate publication?",
                "What inclusion rule should resolve borderline examples involving tile coverings, cut-stone compositions, inlay and mixed techniques?",
                "Which documented mosaic techniques require additional construction layers or piece-level characteristics beyond this proposed structure?",
                "Which specialist sources and inspection methods should establish material-specific treatment constraints and condition assessment criteria?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 22
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a mosaic, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise a physical mosaic, assess the condition of its assembled pieces and support, and determine suitable handling, installation or conservation actions.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Social Sofa, Soviet mosaics, industrial mosaics, ancient mosaic, mosaic floor, satellite image mosaic, photographic mosaic, Rubik's Cube mosaic, mosaic street art, riseu, trencadís, Byzantine mosaics.",
                "21 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 88 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a mosaic, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Social Sofa",
                        "Soviet mosaics",
                        "industrial mosaics",
                        "ancient mosaic",
                        "mosaic floor",
                        "satellite image mosaic",
                        "photographic mosaic",
                        "Rubik's Cube mosaic",
                        "mosaic street art",
                        "riseu",
                        "trencadís",
                        "Byzantine mosaics"
                    ]
                }
            ],
            "standing": "Described in 88 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 21 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one mosaic from another, and a mosaic from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a mosaic sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a mosaic from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a mosaic is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a mosaic is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a mosaic is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a mosaic is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a mosaic is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a mosaic is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a mosaic passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a mosaic between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a mosaic, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a mosaic is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a mosaic and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a mosaic is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a mosaic performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a mosaic.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a mosaic at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "supply-and-consumption",
                                "name": "Supply and consumption",
                                "description": "Quantities, rates and what running out means.",
                                "findings": [
                                    {
                                        "id": "consumption-and-stock",
                                        "name": "Consumption, stock and replenishment",
                                        "description": "How much of a mosaic there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q02",
                                                "text": "Who or what asserted this about the supply of a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q03",
                                                "text": "What may an agent decide or do once the supply of a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "composition-and-identity",
                        "name": "Composition, grade and chemical identity",
                        "description": "What mosaic is made of and how pure the thing in hand is.",
                        "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.",
                        "layers": [
                            {
                                "id": "chemical-identity",
                                "name": "Chemical identity",
                                "description": "Formula, structure and the registry numbers that name it unambiguously.",
                                "findings": [
                                    {
                                        "id": "identity-record",
                                        "name": "Identity and registry numbers",
                                        "description": "What identifies this substance across suppliers and regulators.",
                                        "questions": [
                                            {
                                                "id": "identity-record-q01",
                                                "text": "What formula, structure and registry identifiers name mosaic unambiguously?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "identity-record-q02",
                                                "text": "Which related substances share a name in common use but not an identifier?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "grade-and-impurities",
                                "name": "Grade, purity and impurities",
                                "description": "The specification a batch meets and what else is in it.",
                                "findings": [
                                    {
                                        "id": "specification",
                                        "name": "Specification and assay",
                                        "description": "How purity is stated and measured, and which impurities matter.",
                                        "questions": [
                                            {
                                                "id": "specification-q01",
                                                "text": "What grades of mosaic exist, how is purity assayed, and which impurities are limited?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "specification-q02",
                                                "text": "Which use requires which grade, and what happens when a lower grade is substituted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "properties-and-behaviour",
                        "name": "Properties and behaviour",
                        "description": "How mosaic behaves under conditions an agent can measure or change.",
                        "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.",
                        "layers": [
                            {
                                "id": "physical-constants",
                                "name": "Physical constants",
                                "description": "Values that hold for the pure substance, with their conditions.",
                                "findings": [
                                    {
                                        "id": "constants-record",
                                        "name": "Constants and conditions",
                                        "description": "The quantities worth recording and the state they apply in.",
                                        "questions": [
                                            {
                                                "id": "constants-record-q01",
                                                "text": "What are the defining physical constants of mosaic, in what units and under what conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "constants-record-q02",
                                                "text": "Which of these values change with grade or form rather than being fixed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "stability-and-reactivity",
                                "name": "Stability and reactivity",
                                "description": "What it reacts with, degrades into, and how it is stored.",
                                "findings": [
                                    {
                                        "id": "incompatibilities",
                                        "name": "Incompatibilities and degradation",
                                        "description": "What must not meet it, and what it becomes over time.",
                                        "questions": [
                                            {
                                                "id": "incompatibilities-q01",
                                                "text": "What is mosaic incompatible with, and what does it degrade into under storage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "incompatibilities-q02",
                                                "text": "What storage and handling does that require, and who is competent to do it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "hazard-and-regulation",
                        "name": "Hazard classification and regulation",
                        "description": "How mosaic can harm, and what the law says about holding and moving it.",
                        "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.",
                        "layers": [
                            {
                                "id": "hazard-class",
                                "name": "Hazard classification",
                                "description": "Classified hazards, exposure limits and protective measures.",
                                "findings": [
                                    {
                                        "id": "classified-hazards",
                                        "name": "Classified hazards and limits",
                                        "description": "The classification, the scheme it belongs to, and the limits set.",
                                        "questions": [
                                            {
                                                "id": "classified-hazards-q01",
                                                "text": "How is mosaic classified for hazard, under which scheme, and what exposure limits apply?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "classified-hazards-q02",
                                                "text": "What protection does handling require, and what must an agent refuse to do without it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "regulatory-identity",
                                "name": "Regulatory identity and control",
                                "description": "Registration, restriction and transport rules by jurisdiction.",
                                "findings": [
                                    {
                                        "id": "controls",
                                        "name": "Controls and jurisdiction",
                                        "description": "Where it is restricted and what the restriction attaches to.",
                                        "questions": [
                                            {
                                                "id": "controls-q01",
                                                "text": "Which registrations, restrictions or transport rules cover mosaic, and where?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "controls-q02",
                                                "text": "Does the control attach to the substance, its concentration, or its intended use?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a mosaic came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a mosaic and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a mosaic is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a mosaic, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a mosaic, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a mosaic is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 9,
                "layers": 20,
                "findings": 22,
                "questions": 60
            }
        }
    }
}