{
    "model": {
        "rank": 4103,
        "code": "thing-q161462",
        "model_id": "vr.tr.inclined-plane",
        "name": "inclined plane",
        "purpose": "Enable an agent to recognise an inclined plane, assess its geometry and condition, and determine how a specified load may safely move along it.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q161462/",
        "tier": 2,
        "score": 78,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "jumping ramp",
                "wheelchair ramp",
                "curb cut",
                "patent slip",
                "water ramp",
                "portable kerb ramp"
            ],
            "aliasCount": 6,
            "merged": 7,
            "knownIn": 78,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q161462",
                "url": "https://www.wikidata.org/wiki/Q161462",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:29:19Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 23,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087a4-549b-7a42-a31d-e0bab5280baa\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: inclined plane\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 r",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 70.6,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087a4-549a-7ac3-bb17-2e5135170382\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: inclined plane\nRegistry id: vr.tr.inclined-plane\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (no"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q161462",
                "registryId": "vr.tr.inclined-plane",
                "name": "inclined plane",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q161462/",
            "model": {
                "registry_id": "vr.tr.inclined-plane",
                "name": "inclined plane",
                "purpose": "Enable an agent to recognise an inclined plane, assess its geometry and condition, and determine how a specified load may safely move along it.",
                "definition": "An inclined plane is a flat supporting surface set at an angle to the horizontal that functions as a simple machine by allowing a load to change elevation over a longer travel distance with less applied force than direct lifting under ideal conditions.",
                "scope_statement": "This model owns the inclined plane as a physical sloping surface used to raise, lower or support loads, adding elevation-changing geometry and load-surface mechanics to the broader concept of a plane; it describes the kind and the evidence needed to assess instances.",
                "in_scope": [
                    "A substantially planar load-bearing surface inclined relative to local horizontal",
                    "Rise, horizontal run, slope length, width and transitions at the ends",
                    "Force, travel distance and energy relationships for loads moving along the slope",
                    "Sliding, rolling, traction and resistance at the load-surface interface",
                    "Surface condition, structural support and provisions against unintended movement"
                ],
                "out_of_scope": [
                    "The general mathematical plane and its coordinate geometry",
                    "Aircraft and woodworking tools called planes",
                    "Wedges driven into material to separate or lift it, and screws using helical inclined surfaces",
                    "Stairs and continuously curved tracks requiring different path models",
                    "The internal mechanisms of vehicles, hoists or conveyors using the inclined plane",
                    "Complete buildings, road networks and accessibility routes containing inclined segments"
                ],
                "distinguishing_features": [
                    "Its working surface has an elevation difference along a substantially straight, planar travel direction; a horizontal platform does not.",
                    "It provides a load path along a slope; being a tilted panel alone does not establish the simple-machine sense covered here.",
                    "In ordinary use, the load travels relative to the sloping surface; a wedge instead advances its taper into or beneath material.",
                    "The travel path is continuous rather than a succession of discrete treads and risers.",
                    "Its slope is measured relative to gravity-defined horizontal, whereas a mathematical plane has no inherent uphill direction."
                ],
                "characteristics": [
                    {
                        "name": "Vertical rise",
                        "kind": "measurement",
                        "unit_or_values": "m",
                        "why_it_matters": "Establishes the elevation change and gravitational potential-energy change for a specified load."
                    },
                    {
                        "name": "Horizontal run and slope length",
                        "kind": "measurement",
                        "unit_or_values": "m for each",
                        "why_it_matters": "Separates footprint from travel distance and permits consistency checks against rise and angle."
                    },
                    {
                        "name": "Longitudinal inclination",
                        "kind": "measurement",
                        "unit_or_values": "degrees from horizontal; alternatively percent grade defined as 100 × rise/run",
                        "why_it_matters": "Determines gravity components along and normal to the working surface."
                    },
                    {
                        "name": "Usable width and cross-slope",
                        "kind": "measurement",
                        "unit_or_values": "m; degrees or percent transverse grade",
                        "why_it_matters": "Constrains load fit, lateral clearance and the tendency to drift toward an edge."
                    },
                    {
                        "name": "Load contact mode",
                        "kind": "category",
                        "unit_or_values": "sliding, rolling, stationary support, mixed",
                        "why_it_matters": "Selects the relevant resistance, traction and restraint model."
                    },
                    {
                        "name": "Interface resistance",
                        "kind": "measurement",
                        "unit_or_values": "dimensionless static and kinetic friction coefficients for specified material pairs and conditions; rolling resistance in N under stated test conditions",
                        "why_it_matters": "Supports estimates of starting effort, continued motion and holding requirements without treating friction as a property of the plane alone."
                    },
                    {
                        "name": "Permitted loading",
                        "kind": "measurement",
                        "unit_or_values": "N or kg with stated gravity, load distribution, contact footprint and support configuration",
                        "why_it_matters": "Distinguishes a documented load limit from an unsupported estimate based on appearance."
                    },
                    {
                        "name": "Support and attachment arrangement",
                        "kind": "relation",
                        "unit_or_values": "Connections to ground, foundations, supports, hinges, anchors or receiving platforms",
                        "why_it_matters": "Identifies the load path and whether the plane can slip, overturn or disengage."
                    },
                    {
                        "name": "Working-surface condition",
                        "kind": "state",
                        "unit_or_values": "dry, wet, contaminated, icy, worn, damaged or unknown; multiple states may apply",
                        "why_it_matters": "Changes available traction, resistance and confidence in planned movement."
                    },
                    {
                        "name": "Deployment state",
                        "kind": "state",
                        "unit_or_values": "fixed in service, deployed and secured, deployed but unsecured, stowed, withdrawn from service or unknown",
                        "why_it_matters": "Separates the presence of a slope from readiness to carry a load."
                    }
                ],
                "affordances": [
                    "Measure the slope and determine whether a load fits the usable path and its end transitions.",
                    "Estimate uphill effort and travel distance under explicit load, contact and force-direction assumptions.",
                    "Assess downhill acceleration, braking and holding needs for a specified load.",
                    "Compare a proposed load and contact footprint with documented structural limits.",
                    "Inspect surface grip, supports, attachments and edge provisions before movement.",
                    "Identify when contamination, damage or uncertain capacity requires restricting use pending assessment."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "inclined-plane-identity",
                        "name": "Inclined-plane identity",
                        "description": "Establishes the physical simple-machine sense and the limits of the working surface.",
                        "rationale": "The name overlaps with abstract geometry and related machines whose operating boundaries differ.",
                        "layers": [
                            {
                                "id": "physical-slope-sense",
                                "name": "Physical slope sense",
                                "description": "Identifies what inclination and load-bearing role add to the broader plane concept.",
                                "findings": [
                                    {
                                        "id": "load-path-on-a-plane",
                                        "name": "Load path on a plane",
                                        "description": "Record whether the candidate supplies a substantially planar path between elevations for moving or supporting a load.",
                                        "questions": [
                                            {
                                                "text": "Which surface carries the load, and what elevation-changing role establishes it as an inclined plane?",
                                                "kind": "definition",
                                                "id": "load-path-on-a-plane-q01"
                                            },
                                            {
                                                "text": "What properties belong to the broader plane model, and what inclination-specific properties does this model add?",
                                                "kind": "boundary",
                                                "id": "load-path-on-a-plane-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "working-surface-boundary",
                                "name": "Working-surface boundary",
                                "description": "Separates the slope from neighbouring mechanisms and infrastructure.",
                                "findings": [
                                    {
                                        "id": "surface-and-assembly-limits",
                                        "name": "Surface and assembly limits",
                                        "description": "Identify the working segment, its immediate supports and its interfaces with surrounding equipment.",
                                        "questions": [
                                            {
                                                "text": "Where does the inclined working surface begin and end, including any transition plates?",
                                                "kind": "boundary",
                                                "id": "surface-and-assembly-limits-q01"
                                            },
                                            {
                                                "text": "Does the load move along this surface, or does the tapered body move into the load in a way better represented as a wedge?",
                                                "kind": "boundary",
                                                "id": "surface-and-assembly-limits-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "slope-and-clearance",
                        "name": "Slope and clearance",
                        "description": "Describes elevation change, available travel space and entry and exit geometry.",
                        "rationale": "Slope geometry controls the force-distance tradeoff, while clearances determine whether the intended load can traverse it.",
                        "layers": [
                            {
                                "id": "longitudinal-profile",
                                "name": "Longitudinal profile",
                                "description": "Records mutually consistent rise, run, length and inclination.",
                                "findings": [
                                    {
                                        "id": "measured-slope-geometry",
                                        "name": "Measured slope geometry",
                                        "description": "Capture dimensions with their reference points and establish whether one plane adequately represents the path.",
                                        "questions": [
                                            {
                                                "text": "What are the vertical rise, horizontal run and working slope length between the same endpoints?",
                                                "kind": "measurement",
                                                "id": "measured-slope-geometry-q01"
                                            },
                                            {
                                                "text": "How much does the actual profile depart from a straight plane, and does that require separate inclined segments?",
                                                "kind": "boundary",
                                                "id": "measured-slope-geometry-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "transverse-and-end-clearance",
                                "name": "Transverse and end clearance",
                                "description": "Examines width, cross-slope and junctions with adjacent surfaces.",
                                "findings": [
                                    {
                                        "id": "traversable-envelope",
                                        "name": "Traversable envelope",
                                        "description": "Record the space available to the load and the discontinuities that may cause grounding, snagging or lateral departure.",
                                        "questions": [
                                            {
                                                "text": "What usable width, overhead clearance and cross-slope exist along the intended travel path?",
                                                "kind": "measurement",
                                                "id": "traversable-envelope-q01"
                                            },
                                            {
                                                "text": "Can the specified load cross the lower and upper transitions without grounding, wheel trapping or losing required support?",
                                                "kind": "action",
                                                "id": "traversable-envelope-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "force-and-travel",
                        "name": "Force and travel",
                        "description": "Connects load movement to gravitational forces, applied effort and energy.",
                        "rationale": "The inclined plane's defining mechanical role is to exchange a longer travel path for reduced ideal uphill effort.",
                        "layers": [
                            {
                                "id": "ideal-mechanical-relation",
                                "name": "Ideal mechanical relation",
                                "description": "Defines a reference calculation before adding resistance or acceleration.",
                                "findings": [
                                    {
                                        "id": "ideal-effort-assumptions",
                                        "name": "Ideal effort assumptions",
                                        "description": "For a load moving at constant speed with effort parallel to a frictionless slope, relate effort to mg sin(theta) and ideal mechanical advantage to slope length divided by rise.",
                                        "questions": [
                                            {
                                                "text": "What load mass, local gravitational acceleration and inclination are used in the calculation?",
                                                "kind": "measurement",
                                                "id": "ideal-effort-assumptions-q01"
                                            },
                                            {
                                                "text": "Is effort parallel to the slope and motion at constant speed, or must the force balance account for another direction or acceleration?",
                                                "kind": "boundary",
                                                "id": "ideal-effort-assumptions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "energy-and-descent",
                                "name": "Energy and descent",
                                "description": "Tracks the energy required for ascent and released during descent.",
                                "findings": [
                                    {
                                        "id": "work-and-energy-destination",
                                        "name": "Work and energy destination",
                                        "description": "Distinguish elevation-related energy change from losses, kinetic-energy change and energy absorbed by braking.",
                                        "questions": [
                                            {
                                                "text": "What gravitational potential-energy change follows from the specified mass and rise?",
                                                "kind": "measurement",
                                                "id": "work-and-energy-destination-q01"
                                            },
                                            {
                                                "text": "During descent, what mechanism limits speed and where does the released energy go?",
                                                "kind": "action",
                                                "id": "work-and-energy-destination-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "contact-and-motion",
                        "name": "Contact and motion",
                        "description": "Describes how a particular load grips, slides or rolls on the slope.",
                        "rationale": "The same plane can resist a sliding load yet allow a wheeled load to roll away; contact evidence is essential to predicting behaviour.",
                        "layers": [
                            {
                                "id": "interface-evidence",
                                "name": "Interface evidence",
                                "description": "Associates resistance and traction with a specified contact pair and environmental condition.",
                                "findings": [
                                    {
                                        "id": "contact-specific-resistance",
                                        "name": "Contact-specific resistance",
                                        "description": "Record contact materials, motion mode and the evidence supporting any friction or rolling-resistance estimate.",
                                        "questions": [
                                            {
                                                "text": "Which materials, wheels or rollers contact the plane, and under what surface and loading conditions?",
                                                "kind": "definition",
                                                "id": "contact-specific-resistance-q01"
                                            },
                                            {
                                                "text": "What measurement or documented test supports the resistance values used for this interface?",
                                                "kind": "provenance",
                                                "id": "contact-specific-resistance-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "motion-and-holding-thresholds",
                                "name": "Motion and holding thresholds",
                                "description": "Separates starting, sustained travel and stationary holding.",
                                "findings": [
                                    {
                                        "id": "start-stop-and-hold",
                                        "name": "Start, stop and hold",
                                        "description": "Assess the effort and restraints required for each motion state rather than assuming one friction value answers every case.",
                                        "questions": [
                                            {
                                                "text": "What forces or torques are required to start uphill motion, maintain travel and arrest downhill motion for the specified load?",
                                                "kind": "measurement",
                                                "id": "start-stop-and-hold-q01"
                                            },
                                            {
                                                "text": "What prevents sliding or rolling while the load is parked or while applied effort is interrupted?",
                                                "kind": "action",
                                                "id": "start-stop-and-hold-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "load-bearing-and-use-readiness",
                        "name": "Load bearing and use readiness",
                        "description": "Connects structural capacity, secure installation and slope-specific hazards to permitted use.",
                        "rationale": "Acceptable travel mechanics do not establish that the surface, supports or attachments can carry the load in their current state.",
                        "layers": [
                            {
                                "id": "capacity-and-support",
                                "name": "Capacity and support",
                                "description": "Identifies the load path and the conditions attached to capacity evidence.",
                                "findings": [
                                    {
                                        "id": "supported-load-envelope",
                                        "name": "Supported load envelope",
                                        "description": "Relate documented loading limits to concentrated contacts, dynamic effects, support spacing and attachment configuration.",
                                        "questions": [
                                            {
                                                "text": "What source establishes capacity, and which load distribution, support arrangement and dynamic allowances does it assume?",
                                                "kind": "provenance",
                                                "id": "supported-load-envelope-q01"
                                            },
                                            {
                                                "text": "Do the intended wheel or foot contact loads and the deployed support configuration fall within those documented conditions?",
                                                "kind": "action",
                                                "id": "supported-load-envelope-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "slope-specific-operating-condition",
                                "name": "Slope-specific operating condition",
                                "description": "Assesses conditions that can cause loss of grip, edge departure or separation from a landing.",
                                "findings": [
                                    {
                                        "id": "readiness-and-use-constraints",
                                        "name": "Readiness and use constraints",
                                        "description": "Record observed surface and attachment condition, required movement controls and application-specific operating limits.",
                                        "questions": [
                                            {
                                                "text": "What inspection evidence establishes surface grip, structural condition and secure engagement with the receiving support?",
                                                "kind": "provenance",
                                                "id": "readiness-and-use-constraints-q01"
                                            },
                                            {
                                                "text": "Which observed defects or unmet application requirements require cleaning, repair, restraint, reduced loading or withdrawal from service?",
                                                "kind": "action",
                                                "id": "readiness-and-use-constraints-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": [
                                            "This describes the physical simple-machine sense, rather than an arbitrarily oriented plane in geometry.",
                                            "Ideal force reduction assumes negligible friction and effort parallel to the surface; it trades force for distance without reducing the required work.",
                                            "Dimensions, load capacities, permissible gradients, and applicable standards require a specified application; no universal typical values are asserted."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of inclined plane 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": [
                                            "Fixed ramp",
                                            "Portable ramp",
                                            "Adjustable-inclination ramp"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of inclined plane 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": [
                                            "Loading goods into vehicles or onto elevated platforms",
                                            "Providing pedestrian and wheelchair access between elevations",
                                            "Moving materials along gravity-fed chutes",
                                            "Launching and retrieving boats on slipways",
                                            "Teaching and measuring friction and motion in mechanics experiments"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of inclined plane this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Inclination angle",
                                                "typical_range": "Application-dependent; strictly between 0 and 90 for an inclined surface relative to horizontal",
                                                "unit": "degree"
                                            },
                                            {
                                                "quantity": "Gradient",
                                                "typical_range": "Application-dependent; calculated as 100 times vertical rise divided by horizontal run",
                                                "unit": "%"
                                            },
                                            {
                                                "quantity": "Ideal mechanical advantage",
                                                "typical_range": "Greater than 1; equals slope length divided by vertical rise when effort acts parallel to the frictionless plane",
                                                "unit": "dimensionless"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of inclined plane 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": [
                                            "Loads sliding or rolling uncontrollably downhill",
                                            "Excessive friction increasing the force needed to move a load",
                                            "Insufficient traction causing people or vehicles to slip",
                                            "Structural collapse, excessive deflection, or displacement under load",
                                            "Loads tipping or falling from unguarded edges"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of inclined plane 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": [
                                            "Gradient may be expressed as a percentage, an angle, or a rise-to-run ratio.",
                                            "Requirements for access ramps and loading ramps vary by jurisdiction and use."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of inclined plane 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": "plane",
                                                "difference": "A geometric plane is an ideal flat surface extending indefinitely; an inclined plane in this sense is a physical supporting surface used to move loads between elevations."
                                            },
                                            {
                                                "name": "wedge",
                                                "difference": "A wedge typically moves into or between materials to separate or lift them; an inclined plane typically supports a load moving along its surface."
                                            },
                                            {
                                                "name": "screw",
                                                "difference": "A screw uses a helical thread to convert rotation into axial motion or force; an inclined plane provides a straight sloping path."
                                            },
                                            {
                                                "name": "ramp",
                                                "difference": "A straight, flat ramp is a practical inclined plane; ramps can also have curved paths or changing gradients outside the single-plane idealization."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of inclined plane this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend only the simple-machine sense, or also natural slopes and inclined surfaces without an identified load-handling function?",
                "Which existing Vercy plane, ramp or simple-machine models should supply shared concepts or serve as the authoritative model to avoid duplication?",
                "What application-specific tolerance for curvature, roughness and deflection determines when one inclined plane must be represented as multiple segments or a different path type?",
                "Which primary sources provide defensible friction, rolling-resistance and capacity evidence for the intended materials and load classes?",
                "Which jurisdictions and intended uses apply, and what verified requirements do they impose on slope, width, landings, edge protection, inspection and loading?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "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 inclined plane, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise an inclined plane, assess its geometry and condition, and determine how a specified load may safely move along it.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: jumping ramp, wheelchair ramp, curb cut, patent slip, water ramp, portable kerb ramp.",
                "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 78 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 inclined plane, 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"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "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": [
                        "jumping ramp",
                        "wheelchair ramp",
                        "curb cut",
                        "patent slip",
                        "water ramp",
                        "portable kerb ramp"
                    ]
                }
            ],
            "standing": "Described in 78 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 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 inclined plane from another, and a inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane 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 inclined plane is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane 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 inclined plane between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a inclined plane 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 inclined plane, 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 inclined plane, 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 inclined plane is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What inclined plane is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does inclined plane perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise inclined plane, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How inclined plane is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does inclined plane have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does inclined plane need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about inclined plane is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about inclined plane hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern inclined plane, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a inclined plane 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 inclined plane and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a inclined plane, 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 inclined plane, 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 inclined plane 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 inclined plane is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a inclined plane, 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 inclined plane, 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 inclined plane is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}