{
    "model": {
        "rank": 3320,
        "code": "thing-body-object",
        "model_id": "vr.tr.body-object",
        "name": "body",
        "purpose": "an individual 3-dimensional object that has mass and that is distinguishable from other objects",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/body-object/",
        "tier": 2,
        "score": 87,
        "payload": {
            "layer": "wordnet",
            "aliases": [
                "virion",
                "chromosome",
                "sex chromosome",
                "autosome",
                "somatic chromosome",
                "acentric chromosome",
                "acrocentric chromosome",
                "metacentric chromosome",
                "telocentric chromosome",
                "alpha particle",
                "anion",
                "antibaryon",
                "antilepton",
                "antimeson",
                "antimuon",
                "positive muon",
                "antineutrino",
                "antineutron",
                "antiparticle",
                "antiproton",
                "antiquark",
                "antitauon",
                "tau-plus particle",
                "baryon",
                "heavy particle",
                "beta particle",
                "b-meson",
                "boson",
                "bottom quark",
                "beauty quark",
                "cation",
                "charm quark",
                "coprolith",
                "fecalith",
                "faecalith",
                "stercolith",
                "delta ray",
                "deuteron",
                "down quark",
                "drift"
            ],
            "aliasCount": 120,
            "merged": 87,
            "knownIn": 0,
            "facets": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies",
                "scale": "not-applicable",
                "affordances": [
                    "observable"
                ]
            },
            "markers": [
                "natural-object"
            ],
            "lexicalClass": "noun.object",
            "senseRank": 3,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "oewn:2024",
                "synset": "oewn-09247818-n",
                "ili": "i85103",
                "license": "CC BY 4.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T14:27:14Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 22.3,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c43-05d5-79e0-b10b-d1b2aacac511\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: body\nSense to describe: an individual 3-dimensional object that has mass and that is distinguishable from other objects\nDomain code: PHY.OBJ\nAlso known ",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 73,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c43-05eb-72e3-94df-9670b9dd1493\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: body\nRegistry id: vr.tr.body-object\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: an individual 3-dimensional object that has mass and that is d"
                    }
                }
            },
            "metaModel": {
                "id": "THING-BODY-OBJECT",
                "registryId": "vr.tr.body-object",
                "name": "body",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/body-object/",
            "model": {
                "registry_id": "vr.tr.body-object",
                "name": "body",
                "purpose": "Enable an agent to recognise an individual physical body, assess its spatial and mechanical state, and judge whether a proposed physical interaction is feasible.",
                "definition": "A physical body is an individual material object with mass and three-dimensional spatial extent that can be distinguished from other objects by a physical boundary or an explicitly defined system boundary.",
                "scope_statement": "This model owns the physical-object sense of body in vr.tr.body-object: an individual three-dimensional object with mass that is distinguishable from other objects, including the criteria used to delimit it and track its identity through physical change.",
                "in_scope": [
                    "Individuation of a physical body and its separation from surrounding matter",
                    "Three-dimensional extent, occupied volume, surfaces and internal voids",
                    "Mass, mass distribution and resistance to changes in motion",
                    "Position, orientation, motion and deformation in a stated reference frame",
                    "Physical continuity through contact, material exchange, fragmentation and assembly",
                    "Mechanical conditions relevant to supporting, moving or containing the body"
                ],
                "out_of_scope": [
                    "The anatomical or physiological sense of body and organism-specific life processes",
                    "An organisation, committee or collective described as a body",
                    "A material or substance considered independently of any individual portion",
                    "Device functions, operating procedures and product classifications",
                    "Legal ownership, economic value and administrative asset identity",
                    "Abstract geometrical solids, point particles and fields considered without an individual massive three-dimensional object"
                ],
                "distinguishing_features": [
                    "The referent is an individual physical object with mass and three-dimensional extent, rather than a shape or mathematical region alone.",
                    "A stated boundary criterion distinguishes its matter from neighbouring bodies and its surroundings; a name or arbitrary spatial selection alone does not establish this.",
                    "The referent is this particular body, rather than the substance it consists of or the class of objects to which it belongs.",
                    "Contact with another body does not by itself establish that the two are one body; cohesion, attachment and the chosen individuation criterion must be examined.",
                    "The word body denotes a physical object here; anatomical, organisational and textual senses require neighbouring models."
                ],
                "characteristics": [
                    {
                        "name": "Individuation criterion",
                        "kind": "category",
                        "unit_or_values": "Observed surface, material interface, cohesive continuity, connected assembly or unresolved",
                        "why_it_matters": "Establishes which matter is treated as one body and makes ambiguous boundaries explicit."
                    },
                    {
                        "name": "Constituent and surrounding matter",
                        "kind": "relation",
                        "unit_or_values": "Links to constituent materials, component bodies, enclosing bodies and surrounding media",
                        "why_it_matters": "Separates the body from its composition, parts and environment."
                    },
                    {
                        "name": "Mass",
                        "kind": "measurement",
                        "unit_or_values": "kg, with measurement time, method and uncertainty",
                        "why_it_matters": "Supports mechanical assessment and distinguishes mass from a force measured as weight."
                    },
                    {
                        "name": "Spatial extent",
                        "kind": "measurement",
                        "unit_or_values": "Dimensions in m and volume in m³; distinguish external envelope, material volume and void volume",
                        "why_it_matters": "Determines fit and clearance while avoiding incompatible meanings of volume."
                    },
                    {
                        "name": "Centre of mass",
                        "kind": "measurement",
                        "unit_or_values": "Coordinates in m relative to a stated body or external frame",
                        "why_it_matters": "Helps assess balance, support and response to applied forces."
                    },
                    {
                        "name": "Rotational inertia",
                        "kind": "measurement",
                        "unit_or_values": "kg·m² about a specified axis, or an inertia tensor with stated origin and frame",
                        "why_it_matters": "Describes rotational response that mass alone cannot determine."
                    },
                    {
                        "name": "Position and orientation",
                        "kind": "state",
                        "unit_or_values": "Position in m and orientation using a declared convention, reference frame and time",
                        "why_it_matters": "Locates the body's extent and enables meaningful comparison between observations."
                    },
                    {
                        "name": "Motion",
                        "kind": "measurement",
                        "unit_or_values": "Linear velocity in m/s and angular velocity in rad/s, with reference frame and time",
                        "why_it_matters": "Supports prediction of displacement and contact."
                    },
                    {
                        "name": "Deformation regime",
                        "kind": "category",
                        "unit_or_values": "Rigid approximation adequate, deformable response required or unresolved for the stated task",
                        "why_it_matters": "Determines whether fixed geometry can support the intended decision."
                    },
                    {
                        "name": "Support and contact configuration",
                        "kind": "relation",
                        "unit_or_values": "Contact regions, supporting bodies, attachments and permitted relative movements",
                        "why_it_matters": "Constrains motion and identifies how loads pass between bodies."
                    },
                    {
                        "name": "Physical integrity",
                        "kind": "state",
                        "unit_or_values": "Observed continuity, cracks, separations, missing matter and residual deformation",
                        "why_it_matters": "Records changes that may affect both mechanical behaviour and continued identity."
                    }
                ],
                "affordances": [
                    "Locate and track the body using its extent, boundary and observation history.",
                    "Measure its mass, geometry and motion with declared methods and uncertainty.",
                    "Assess whether it fits through an opening or within a containing region.",
                    "Assess support, balance and movement under stated contact and loading conditions.",
                    "Plan translation, rotation or restraint when the relevant mechanical properties are known.",
                    "Recognise material loss, deformation or separation and reconsider which resulting objects retain the original identity."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "individuation-and-continuity",
                        "name": "Individuation and continuity",
                        "description": "Establish what counts as this body and when a physical change challenges that identification.",
                        "rationale": "Being distinguishable from other objects is part of the registry definition and requires more than assigning an identifier.",
                        "layers": [
                            {
                                "id": "boundary-of-matter",
                                "name": "Boundary of matter",
                                "description": "Identify the physical evidence separating the body's matter from its surroundings.",
                                "findings": [
                                    {
                                        "id": "basis-for-one-body",
                                        "name": "Basis for one body",
                                        "description": "Record whether surfaces, interfaces, cohesion or connections support treating the referent as one individual body.",
                                        "questions": [
                                            {
                                                "text": "What observable boundary or continuity criterion makes this one body rather than an arbitrary region or collection?",
                                                "kind": "definition",
                                                "id": "basis-for-one-body-q01"
                                            },
                                            {
                                                "text": "Which contacting, attached or enclosed matter is included, and which belongs to another body?",
                                                "kind": "boundary",
                                                "id": "basis-for-one-body-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "persistence-through-change",
                                "name": "Persistence through change",
                                "description": "Track identity when matter or connections change.",
                                "findings": [
                                    {
                                        "id": "identity-changing-events",
                                        "name": "Identity-changing events",
                                        "description": "Record material exchange, fragmentation and joining without assuming that physical continuity always preserves one identity.",
                                        "questions": [
                                            {
                                                "text": "What observations connect the present body to its earlier physical state?",
                                                "kind": "provenance",
                                                "id": "identity-changing-events-q01"
                                            },
                                            {
                                                "text": "After material loss, fragmentation or joining, which identity decision remains justified by the stated individuation criterion?",
                                                "kind": "boundary",
                                                "id": "identity-changing-events-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "three-dimensional-occupation",
                        "name": "Three-dimensional occupation",
                        "description": "Describe the space occupied by the body and how that description changes with pose.",
                        "rationale": "A body has physical extent; its location alone cannot establish fit, separation or contact.",
                        "layers": [
                            {
                                "id": "surface-envelope-and-voids",
                                "name": "Surface, envelope and voids",
                                "description": "Distinguish actual material extent from a simplified enclosing shape.",
                                "findings": [
                                    {
                                        "id": "meaning-of-measured-volume",
                                        "name": "Meaning of measured volume",
                                        "description": "Record dimensions and volume with explicit treatment of cavities, pores and geometric approximations.",
                                        "questions": [
                                            {
                                                "text": "What dimensions and volume have been measured, and at what spatial resolution and uncertainty?",
                                                "kind": "measurement",
                                                "id": "meaning-of-measured-volume-q01"
                                            },
                                            {
                                                "text": "Does the reported volume describe material, displaced volume or an external envelope, and how are voids treated?",
                                                "kind": "boundary",
                                                "id": "meaning-of-measured-volume-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "pose-and-clearance",
                                "name": "Pose and clearance",
                                "description": "Relate body geometry to a reference frame and nearby physical boundaries.",
                                "findings": [
                                    {
                                        "id": "occupied-and-swept-space",
                                        "name": "Occupied and swept space",
                                        "description": "Use pose and geometry to assess present occupation and the space needed for a proposed movement.",
                                        "questions": [
                                            {
                                                "text": "What reference frame, origin, orientation convention and time locate the body's geometry?",
                                                "kind": "measurement",
                                                "id": "occupied-and-swept-space-q01"
                                            },
                                            {
                                                "text": "Does the proposed translation or rotation maintain sufficient clearance throughout its path, allowing for geometric uncertainty and deformation?",
                                                "kind": "action",
                                                "id": "occupied-and-swept-space-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "mass-and-inertial-response",
                        "name": "Mass and inertial response",
                        "description": "Represent how much mass the body has and how its distribution affects motion.",
                        "rationale": "Mass is constitutive of this registry sense, while its distribution determines balance and rotational response.",
                        "layers": [
                            {
                                "id": "mass-assessment",
                                "name": "Mass assessment",
                                "description": "Establish total mass for a clearly delimited body at a stated time.",
                                "findings": [
                                    {
                                        "id": "mass-measurement-basis",
                                        "name": "Mass measurement basis",
                                        "description": "Separate a mass estimate from instrument force readings, included contents and inferred values.",
                                        "questions": [
                                            {
                                                "text": "What is the body's mass in kilograms, and what method, time and uncertainty accompany the value?",
                                                "kind": "measurement",
                                                "id": "mass-measurement-basis-q01"
                                            },
                                            {
                                                "text": "Which components or contents were included, and what corrections or assumptions were used if mass was inferred from weight or density?",
                                                "kind": "provenance",
                                                "id": "mass-measurement-basis-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "distribution-of-mass",
                                "name": "Distribution of mass",
                                "description": "Describe mass placement at the level needed to assess balance and rotation.",
                                "findings": [
                                    {
                                        "id": "centre-and-rotational-inertia",
                                        "name": "Centre and rotational inertia",
                                        "description": "Record the centre of mass and relevant rotational inertia without assuming uniform density.",
                                        "questions": [
                                            {
                                                "text": "Where is the centre of mass in the stated configuration, and how was it established?",
                                                "kind": "measurement",
                                                "id": "centre-and-rotational-inertia-q01"
                                            },
                                            {
                                                "text": "What rotational inertia about the proposed axis is known, and could moving contents or deformation change it?",
                                                "kind": "measurement",
                                                "id": "centre-and-rotational-inertia-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "mechanical-state-and-interaction",
                        "name": "Mechanical state and interaction",
                        "description": "Describe motion, constraints and physical response relevant to acting on this body.",
                        "rationale": "A massive extended body responds to forces through motion, deformation or separation, depending on its configuration and condition.",
                        "layers": [
                            {
                                "id": "motion-and-constraints",
                                "name": "Motion and constraints",
                                "description": "Establish current motion and the contacts or attachments that restrict it.",
                                "findings": [
                                    {
                                        "id": "supported-and-permitted-motion",
                                        "name": "Supported and permitted motion",
                                        "description": "Record observed velocities and support conditions before predicting the effect of a physical action.",
                                        "questions": [
                                            {
                                                "text": "What linear and angular motion is observed relative to which frame and over what interval?",
                                                "kind": "measurement",
                                                "id": "supported-and-permitted-motion-q01"
                                            },
                                            {
                                                "text": "Which contacts and attachments constrain the body, and what motion becomes possible if a support is moved or removed?",
                                                "kind": "action",
                                                "id": "supported-and-permitted-motion-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "deformation-and-integrity",
                                "name": "Deformation and integrity",
                                "description": "Determine whether shape and continuity can be treated as stable under the proposed interaction.",
                                "findings": [
                                    {
                                        "id": "adequacy-of-rigid-body-treatment",
                                        "name": "Adequacy of rigid-body treatment",
                                        "description": "Make the rigid-body approximation conditional on the task, observed condition and expected loading.",
                                        "questions": [
                                            {
                                                "text": "What observed deformation, cracking or separation limits treating the body as having fixed geometry?",
                                                "kind": "measurement",
                                                "id": "adequacy-of-rigid-body-treatment-q01"
                                            },
                                            {
                                                "text": "What evidence supports the proposed load or restraint, and which deformation or failure limits remain unknown?",
                                                "kind": "action",
                                                "id": "adequacy-of-rigid-body-treatment-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 entry covers the general physical-object sense of body, not an anatomical body or an organisation.",
                                            "Rigid and deformable describe modelling treatments; perfect rigidity is an idealization.",
                                            "Boundaries and continued identity can require explicit conventions for fluid bodies, aggregates and objects exchanging matter; no universal identifier scheme, regulatory regime or typical size applies."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of body 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": [
                                            "Solid body",
                                            "Fluid body",
                                            "Composite body",
                                            "Rigid body (idealization neglecting deformation)",
                                            "Deformable body"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of body 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": [
                                            "Defining the object whose forces and motion are analysed in mechanics.",
                                            "Calculating balance and stability using mass distribution and centre of mass.",
                                            "Modelling deformation, stress and strain under applied loads.",
                                            "Tracking collisions and exchanges of momentum and energy.",
                                            "Defining a material system for thermal analysis."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of body 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": "Mass",
                                                "typical_range": "Positive; no typical range applies across all physical bodies.",
                                                "unit": "kg"
                                            },
                                            {
                                                "quantity": "Volume",
                                                "typical_range": "Positive; depends on the object's scale and the boundary used.",
                                                "unit": "m³"
                                            },
                                            {
                                                "quantity": "Mean mass density",
                                                "typical_range": "Mass divided by the specified volume; no universal typical range.",
                                                "unit": "kg/m³"
                                            },
                                            {
                                                "quantity": "Moment of inertia about a specified axis",
                                                "typical_range": "Depends on mass distribution and the chosen axis; no universal typical range.",
                                                "unit": "kg·m²"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of body 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": "Human or animal body",
                                                "difference": "An organism's anatomical body is a particular biological case; this sense includes nonliving material objects."
                                            },
                                            {
                                                "name": "Material",
                                                "difference": "A material is what an object consists of; a body is an individual object constituted from material."
                                            },
                                            {
                                                "name": "Point particle",
                                                "difference": "A point-particle model neglects spatial extent; a body has three-dimensional extent even when approximated as a point."
                                            },
                                            {
                                                "name": "Physical system",
                                                "difference": "A physical system can include multiple bodies, fields and their interactions; it need not be one individual material object."
                                            },
                                            {
                                                "name": "Geometric solid",
                                                "difference": "A geometric solid is an abstract spatial figure and need not possess mass or material constitution."
                                            },
                                            {
                                                "name": "Device",
                                                "difference": "A device has an intended function; a physical body need not be designed or serve any purpose."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of body this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does an existing Vercy world model already own this physical-object concept, requiring this registry entry to link to it?",
                "Which individuation criteria should determine whether loose aggregates, connected assemblies and contained fluids count as one body?",
                "How should body identity persist through erosion, replacement of matter, fragmentation and fusion?",
                "What scale and boundary resolution should apply when surfaces are porous, diffuse or changing?",
                "Which mechanical properties belong in this general body model, and which should be supplied by material, organism or device models for a particular action?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 13,
                "questions": 21
            }
        },
        "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.",
            "facetsInferred": false,
            "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 body, record what state it is in, and decide what may be done with it.",
            "whatItIs": "an individual 3-dimensional object that has mass and that is distinguishable from other objects",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: virion, chromosome, sex chromosome, autosome, somatic chromosome, acentric chromosome, acrocentric chromosome, metacentric chromosome, telocentric chromosome, alpha particle, anion, antibaryon.",
                "87 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it."
            ],
            "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 body, 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."
            ],
            "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": [
                        "virion",
                        "chromosome",
                        "sex chromosome",
                        "autosome",
                        "somatic chromosome",
                        "acentric chromosome",
                        "acrocentric chromosome",
                        "metacentric chromosome",
                        "telocentric chromosome",
                        "alpha particle",
                        "anion",
                        "antibaryon"
                    ]
                }
            ],
            "standing": "87 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 body from another, and a body 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 body, 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 body, 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 body 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 body, 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 body, 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 body 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 body 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 body, 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 body, 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 body 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 body from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a body, 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 body, 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 body 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 body 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 body, 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 body, 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 body 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 body is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a body, 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 body, 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 body 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 body is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a body, 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 body, 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 body 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 body 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 body is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a body, 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 body, 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 body 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 body 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 body, 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 body, 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 body 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 body 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 body between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a body, 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 body, 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 body 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 body, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a body 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 body, 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 body, 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 body 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 body 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 body 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 body, 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 body 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 body 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 body 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 body 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 body 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 body, 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 body 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 body and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a body, 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 body, 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 body 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 body is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a body, 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 body, 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 body 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
            }
        }
    }
}