{
    "model": {
        "rank": 3625,
        "code": "thing-q131536",
        "model_id": "vr.tr.boomerang",
        "name": "boomerang",
        "purpose": "Enable an AI agent to recognise a boomerang, assess its flight-relevant condition and intended use, and determine appropriate handling, throwing, preservation or repair actions.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q131536/",
        "tier": 2,
        "score": 83,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "kylie",
                "valari"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 83,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q131536",
                "url": "https://www.wikidata.org/wiki/Q131536",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T14:43:15Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 21.1,
                        "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: 01a07c51-b25c-73f0-8662-37fc94c339b2\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: boomerang\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 004: 1001 regis",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 71.5,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c51-b275-7921-a23c-4d216e4c51b6\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: boomerang\nRegistry id: vr.tr.boomerang\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCont"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q131536",
                "registryId": "vr.tr.boomerang",
                "name": "boomerang",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q131536/",
            "model": {
                "registry_id": "vr.tr.boomerang",
                "name": "boomerang",
                "purpose": "Enable an AI agent to recognise a boomerang, assess its flight-relevant condition and intended use, and determine appropriate handling, throwing, preservation or repair actions.",
                "definition": "A boomerang is a shaped throwing implement, traditionally wooden, designed to rotate in flight and used for hunting, fighting, sport or cultural purposes, with returning and non-returning forms.",
                "scope_statement": "This model owns the physical boomerang as a kind of deliberately shaped throwing implement, including returning and non-returning forms, while separating kind-level traits from the specifications and condition of individual examples.",
                "in_scope": [
                    "Returning and non-returning boomerangs and the evidence used to distinguish them",
                    "Arm arrangement, surface profile, handedness and other flight-relevant geometry",
                    "Materials, construction, damage and changes that affect balance or flight",
                    "Intended throwing use, operating conditions, retrieval and catching constraints",
                    "Cultural attribution and restrictions that affect identification, handling or modification"
                ],
                "out_of_scope": [
                    "Generic throwing sticks, clubs, discs and balls except as identification boundaries",
                    "Throwing technique and athlete performance as independently modelled activities",
                    "Competition organisations, event administration and complete sporting rulebooks",
                    "Hunting activities and their legal or ecological governance",
                    "Communities, cultural traditions and ceremonial practices as complete models",
                    "Metaphorical uses of boomerang and unrelated products sharing the name"
                ],
                "distinguishing_features": [
                    "Identify whether the object belongs to a recognised boomerang form using geometry, intended use and provenance together; a bent outline alone is insufficient.",
                    "For a claimed returning form, seek documented or observed curved return flight under stated launch conditions; do not make return behaviour a requirement for every boomerang.",
                    "Distinguish a boomerang from a generic club or throwing stick through evidence of deliberate shaping for rotational flight and its documented classification.",
                    "Distinguish a functional example from a decorative representation by checking intended use and flight-relevant construction without assuming that an untested object is throw-ready."
                ],
                "characteristics": [
                    {
                        "name": "Functional classification",
                        "kind": "category",
                        "unit_or_values": "returning; non-returning; decorative representation; uncertain",
                        "why_it_matters": "Prevents return flight from becoming a universal requirement and identifies objects that need boundary review."
                    },
                    {
                        "name": "Intended use",
                        "kind": "category",
                        "unit_or_values": "sport; recreation; hunting; demonstration; cultural use; display; unknown; multiple permitted",
                        "why_it_matters": "Determines which performance observations and handling decisions are relevant."
                    },
                    {
                        "name": "Arm arrangement",
                        "kind": "category",
                        "unit_or_values": "arm count plus description of curvature, junctions and symmetry",
                        "why_it_matters": "Captures meaningful shape differences without restricting the kind to a familiar two-arm outline."
                    },
                    {
                        "name": "Overall span and arm dimensions",
                        "kind": "measurement",
                        "unit_or_values": "mm, with measurement landmarks specified",
                        "why_it_matters": "Supports comparison of flight geometry, storage requirements and condition changes."
                    },
                    {
                        "name": "Mass and balance",
                        "kind": "measurement",
                        "unit_or_values": "mass in g; centre-of-mass coordinates in mm relative to a documented reference",
                        "why_it_matters": "Helps interpret flight behaviour and detect changes caused by damage or repair."
                    },
                    {
                        "name": "Surface profile and twist",
                        "kind": "measurement",
                        "unit_or_values": "cross-section dimensions in mm and local twist angles in degrees at identified arm stations",
                        "why_it_matters": "Records shaping that can affect flight even when the outline appears unchanged."
                    },
                    {
                        "name": "Throwing handedness",
                        "kind": "category",
                        "unit_or_values": "right-handed; left-handed; explicitly designed for either; unknown",
                        "why_it_matters": "Connects the object's design to suitable launch orientation and technique."
                    },
                    {
                        "name": "Material and construction",
                        "kind": "category",
                        "unit_or_values": "documented material, single-piece or assembled construction, joints, coatings and repairs",
                        "why_it_matters": "Guides inspection and assessment of deformation, cracking and repair compatibility."
                    },
                    {
                        "name": "Observed flight envelope",
                        "kind": "measurement",
                        "unit_or_values": "maximum distance from launch in m; flight duration in s; return offset in m; launch and wind conditions attached",
                        "why_it_matters": "Makes performance evidence interpretable without treating one throw as an intrinsic specification."
                    },
                    {
                        "name": "Flight readiness",
                        "kind": "state",
                        "unit_or_values": "unassessed; suitable under documented conditions; restricted; withdrawn from throwing",
                        "why_it_matters": "Separates physical possession from a justified decision to throw."
                    },
                    {
                        "name": "Cultural attribution and authority",
                        "kind": "relation",
                        "unit_or_values": "links to maker, community, collection record or relevant authority, with attribution confidence",
                        "why_it_matters": "Supports accurate naming and identifies whose guidance should inform sensitive handling or alteration."
                    }
                ],
                "affordances": [
                    "Classify an example as returning, non-returning, representational or unresolved using recorded evidence.",
                    "Inspect and document cracks, warping, edge damage and balance changes before deciding whether throwing is appropriate.",
                    "Match a functional example to its documented handedness, intended use and launch guidance.",
                    "Assess a proposed throwing area against the expected flight path, wind, bystanders and retrieval needs.",
                    "Record controlled flight observations and compare them with the example's stated purpose.",
                    "Choose preservation, specialist repair or withdrawal from use when condition or cultural restrictions rule out ordinary handling."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-use",
                        "name": "Identity and use",
                        "description": "Establishes which sense and functional form of boomerang the model covers.",
                        "rationale": "Returning flight, visual resemblance and cultural naming provide different evidence and must not be collapsed into one identification test.",
                        "layers": [
                            {
                                "id": "classification-boundaries",
                                "name": "Classification boundaries",
                                "description": "Separates boomerangs from neighbouring throwing implements and representations.",
                                "findings": [
                                    {
                                        "id": "boomerang-identification",
                                        "name": "Evidence for identification",
                                        "description": "Require an explicit basis for calling an example a boomerang, including unresolved boundaries with throwing sticks.",
                                        "questions": [
                                            {
                                                "text": "Which combination of documented name, provenance, geometry and intended flight identifies this example as a boomerang?",
                                                "kind": "definition",
                                                "id": "boomerang-identification-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes it from a generic throwing stick or a decorative boomerang-shaped object?",
                                                "kind": "boundary",
                                                "id": "boomerang-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "functional-forms",
                                "name": "Functional forms",
                                "description": "Records the intended flight behaviour and purpose without assuming all forms return.",
                                "findings": [
                                    {
                                        "id": "return-and-purpose",
                                        "name": "Return behaviour and purpose",
                                        "description": "Keep intended return behaviour distinct from observed success or failure on a particular throw.",
                                        "questions": [
                                            {
                                                "text": "Is return flight part of the design intention, and what maker, collection or test evidence supports that classification?",
                                                "kind": "provenance",
                                                "id": "return-and-purpose-q01"
                                            },
                                            {
                                                "text": "What intended use determines whether distance, return accuracy, flight duration or another outcome matters?",
                                                "kind": "definition",
                                                "id": "return-and-purpose-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "flight-shaping",
                        "name": "Flight shaping",
                        "description": "Captures the geometry and launch compatibility needed to interpret rotational flight.",
                        "rationale": "A silhouette alone does not describe the surfaces, balance or handedness relevant to a boomerang's behaviour.",
                        "layers": [
                            {
                                "id": "arms-and-surfaces",
                                "name": "Arms and surfaces",
                                "description": "Describes the outline and local shaping of each arm.",
                                "findings": [
                                    {
                                        "id": "flight-geometry",
                                        "name": "Flight-relevant geometry",
                                        "description": "Record arm dimensions and surface profiles using explicit reference points.",
                                        "questions": [
                                            {
                                                "text": "How many arms are present, and what are their span, width, thickness and relative angles?",
                                                "kind": "measurement",
                                                "id": "flight-geometry-q01"
                                            },
                                            {
                                                "text": "Where do cross-section, bevel, curvature or twist change along each arm?",
                                                "kind": "measurement",
                                                "id": "flight-geometry-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "balance-and-handedness",
                                "name": "Balance and handedness",
                                "description": "Connects mass distribution and orientation to the intended throw.",
                                "findings": [
                                    {
                                        "id": "launch-compatibility",
                                        "name": "Launch compatibility",
                                        "description": "Treat handedness and launch orientation as documented design properties rather than guesses from overall shape.",
                                        "questions": [
                                            {
                                                "text": "What are the mass and centre-of-mass location relative to the arm arrangement?",
                                                "kind": "measurement",
                                                "id": "launch-compatibility-q01"
                                            },
                                            {
                                                "text": "Which hand, face orientation and rotation direction are specified for this design, and by whom?",
                                                "kind": "provenance",
                                                "id": "launch-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "construction-and-flight-condition",
                        "name": "Construction and flight condition",
                        "description": "Links material and structural condition to continued throwing or preservation.",
                        "rationale": "Damage or alteration can change both structural integrity and the geometry responsible for flight.",
                        "layers": [
                            {
                                "id": "material-and-fabrication",
                                "name": "Material and fabrication",
                                "description": "Records how the arms and junctions were made and subsequently altered.",
                                "findings": [
                                    {
                                        "id": "construction-history",
                                        "name": "Construction history",
                                        "description": "Distinguish original shaping and assembly from later repairs, coatings or tuning.",
                                        "questions": [
                                            {
                                                "text": "What materials and construction methods form the arms and their junctions?",
                                                "kind": "definition",
                                                "id": "construction-history-q01"
                                            },
                                            {
                                                "text": "Which repairs, added weights, coatings or reshaping operations are documented?",
                                                "kind": "provenance",
                                                "id": "construction-history-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "damage-and-intervention",
                                "name": "Damage and intervention",
                                "description": "Assesses defects and whether an intervention is justified.",
                                "findings": [
                                    {
                                        "id": "throwing-condition",
                                        "name": "Condition for throwing",
                                        "description": "Make flight readiness conditional on observed defects and design-specific guidance.",
                                        "questions": [
                                            {
                                                "text": "Where are cracks, chips, delamination, loose joints or warping present, and how extensive are they?",
                                                "kind": "measurement",
                                                "id": "throwing-condition-q01"
                                            },
                                            {
                                                "text": "Does available guidance support continued throwing, specialist repair, reassessment or withdrawal from use?",
                                                "kind": "action",
                                                "id": "throwing-condition-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "throwing-and-flight-evidence",
                        "name": "Throwing and flight evidence",
                        "description": "Defines how to judge a throwing situation and interpret observed flight.",
                        "rationale": "Return success and clearance requirements depend on the particular boomerang, throw and surroundings.",
                        "layers": [
                            {
                                "id": "throwing-area",
                                "name": "Throwing area",
                                "description": "Evaluates the space and conditions needed for launch, flight and recovery.",
                                "findings": [
                                    {
                                        "id": "clearance-and-recovery",
                                        "name": "Clearance and recovery",
                                        "description": "Assess the expected swept flight area and recovery method before launch.",
                                        "questions": [
                                            {
                                                "text": "What clearance does the documented flight envelope require, considering current wind, obstacles, people and animals?",
                                                "kind": "action",
                                                "id": "clearance-and-recovery-q01"
                                            },
                                            {
                                                "text": "Is catching intended for this example, or should recovery occur only after it lands?",
                                                "kind": "action",
                                                "id": "clearance-and-recovery-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observed-performance",
                                "name": "Observed performance",
                                "description": "Separates repeatable design behaviour from individual throw outcomes.",
                                "findings": [
                                    {
                                        "id": "contextual-flight-record",
                                        "name": "Contextual flight record",
                                        "description": "Attach launch and environmental conditions to measurements of flight and return.",
                                        "questions": [
                                            {
                                                "text": "What maximum distance, flight duration and landing or return offset were observed under the recorded conditions?",
                                                "kind": "measurement",
                                                "id": "contextual-flight-record-q01"
                                            },
                                            {
                                                "text": "What evidence separates an unexpected outcome caused by launch or wind from one caused by damage or unsuitable geometry?",
                                                "kind": "boundary",
                                                "id": "contextual-flight-record-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "cultural-context-and-use-authority",
                        "name": "Cultural context and use authority",
                        "description": "Preserves supported attribution and the permissions relevant to using or changing an example.",
                        "rationale": "A boomerang's physical ability to fly does not establish its intended treatment or justify assumptions about its cultural origin.",
                        "layers": [
                            {
                                "id": "attribution-and-naming",
                                "name": "Attribution and naming",
                                "description": "Connects names and cultural associations to evidence and appropriate authorities.",
                                "findings": [
                                    {
                                        "id": "supported-cultural-attribution",
                                        "name": "Supported cultural attribution",
                                        "description": "Record maker and community attribution with uncertainty rather than inferring them solely from shape or decoration.",
                                        "questions": [
                                            {
                                                "text": "Which maker, community, place and local name are documented, and what sources support each attribution?",
                                                "kind": "provenance",
                                                "id": "supported-cultural-attribution-q01"
                                            },
                                            {
                                                "text": "Does the generic registry label obscure a locally significant distinction that should be recorded without creating a second registry thing?",
                                                "kind": "boundary",
                                                "id": "supported-cultural-attribution-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-alteration",
                                "name": "Handling and alteration",
                                "description": "Determines whether throwing, tuning, repair or display fits the example's documented status.",
                                "findings": [
                                    {
                                        "id": "permitted-treatment",
                                        "name": "Permitted treatment",
                                        "description": "Distinguish recreational equipment from examples whose care requires collection or cultural guidance.",
                                        "questions": [
                                            {
                                                "text": "What documented ownership, collection or cultural guidance governs throwing, handling, photography and display?",
                                                "kind": "provenance",
                                                "id": "permitted-treatment-q01"
                                            },
                                            {
                                                "text": "Who should authorise reshaping, added weights or repairs where these could change cultural features or historical evidence?",
                                                "kind": "action",
                                                "id": "permitted-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 physical implement, including non-returning forms; return to the thrower is not a defining property of every boomerang.",
                                            "Dimensions and masses are approximate examples for small recreational returning forms, not limits for the whole category.",
                                            "Community-specific cultural claims and current competition rules require verification; no sources were consulted for this recall-based description."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of boomerang 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": [
                                            "Returning boomerang",
                                            "Non-returning hunting boomerang",
                                            "Two-armed sporting boomerang",
                                            "Multi-bladed sporting boomerang"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of boomerang 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": [
                                            "Hunting and fighting with non-returning forms",
                                            "Recreational throwing and catching",
                                            "Competitive events involving accuracy, endurance, distance or catching",
                                            "Ceremonial, musical and other cultural uses in some Aboriginal Australian communities"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of boomerang 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": "Tip-to-tip span of a small recreational returning boomerang",
                                                "typical_range": "Approximately 25-50",
                                                "unit": "cm"
                                            },
                                            {
                                                "quantity": "Mass of a small recreational returning boomerang",
                                                "typical_range": "Approximately 30-100",
                                                "unit": "g"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of boomerang this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "A spinning boomerang can injure people or animals and damage property on impact.",
                                            "Incorrect release angle, insufficient spin or unsuitable wind can prevent return or produce an unexpected flight path.",
                                            "Cracks, warping or damaged edges can change flight behaviour or cause breakage.",
                                            "Attempting to catch a fast-moving boomerang can injure fingers or hands.",
                                            "Flight beyond the intended throwing area can expose bystanders to impact."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of boomerang this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Aboriginal Australian forms, names, uses and cultural meanings vary among communities; a single universal design or use should not be assumed.",
                                            "Modern sporting boomerangs are made internationally from materials including plywood and plastics, with designs adapted to particular events."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of boomerang 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": "Throwing stick",
                                                "difference": "A broader category of hand-thrown implements; boomerangs are distinguished by deliberately shaped rotating flight, although terminology overlaps for non-returning forms."
                                            },
                                            {
                                                "name": "Flying disc",
                                                "difference": "A flying disc has a disc-shaped lifting body rather than the projecting arms or blades characteristic of a boomerang."
                                            },
                                            {
                                                "name": "Boomerang effect",
                                                "difference": "A figurative expression for an action producing a contrary or returning consequence, rather than a physical throwing implement."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of boomerang this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which authoritative sources establish the boundary between non-returning boomerangs and other throwing sticks across different naming traditions?",
                "Which published measurement conventions best describe arm profiles, twist and balance across returning and non-returning forms?",
                "What design-specific evidence supports flight envelopes, wind limits and defect criteria without presenting one product's guidance as universal?",
                "Which current sporting rules, product standards or jurisdiction-specific restrictions apply to particular boomerang uses, and which issuing bodies maintain them?",
                "What community-led guidance is needed to represent culturally specific names, attribution and handling restrictions accurately?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a boomerang, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a boomerang, assess its flight-relevant condition and intended use, and determine appropriate handling, throwing, preservation or repair actions.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: kylie, valari.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 83 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a boomerang, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "kylie",
                        "valari"
                    ]
                }
            ],
            "standing": "Described in 83 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 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 boomerang from another, and a boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a boomerang, 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 boomerang, 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 boomerang 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 boomerang is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a boomerang, 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 boomerang, 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 boomerang 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 boomerang, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a boomerang 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 boomerang, 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 boomerang, 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 boomerang 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 boomerang 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 boomerang 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 boomerang, 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 boomerang 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 boomerang 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 boomerang 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 boomerang 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 boomerang 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 boomerang, 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 boomerang 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 boomerang and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a boomerang, 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 boomerang, 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 boomerang 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 boomerang is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a boomerang, 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 boomerang, 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 boomerang 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
            }
        }
    }
}