{
    "model": {
        "rank": 1977,
        "code": "thing-vessel-artifact",
        "model_id": "vr.tr.vessel-artifact",
        "name": "vessel",
        "purpose": "a craft designed for water transportation",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/vessel-artifact/",
        "tier": 2,
        "score": 120,
        "payload": {
            "layer": "wordnet",
            "aliases": [
                "abandoned ship",
                "derelict",
                "aircraft carrier",
                "carrier",
                "flattop",
                "attack aircraft carrier",
                "attack submarine",
                "auxiliary research submarine",
                "banana boat",
                "bareboat",
                "bark",
                "barque",
                "battle cruiser",
                "battleship",
                "battlewagon",
                "blockade-runner",
                "brig",
                "brigantine",
                "hermaphrodite brig",
                "cabin liner",
                "capital ship",
                "cargo liner",
                "cargo ship",
                "cargo vessel",
                "carrack",
                "carack",
                "catboat",
                "cattleship",
                "cattle boat",
                "clipper",
                "clipper ship",
                "container ship",
                "containership",
                "container vessel",
                "corsair",
                "corvette",
                "cruiser",
                "cruise ship",
                "cruise liner",
                "cutter"
            ],
            "aliasCount": 164,
            "merged": 120,
            "knownIn": 0,
            "facets": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "self-moving",
                "scale": "vehicle",
                "affordances": [
                    "observable"
                ]
            },
            "markers": [
                "artifact",
                "vehicle"
            ],
            "lexicalClass": "noun.artifact",
            "senseRank": 1,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "oewn:2024",
                "synset": "oewn-04537861-n",
                "ili": "i60833",
                "license": "CC BY 4.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:12:38Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 13.6,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 91.4,
                        "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: 01a07b22-b508-71c2-9a04-e16b3f0b1190\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: vessel\nRegistry id: vr.tr.vessel-artifact\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: a craft designed for water transportation\nNames folded i"
                    }
                }
            },
            "metaModel": {
                "id": "THING-VESSEL-ARTIFACT",
                "registryId": "vr.tr.vessel-artifact",
                "name": "vessel",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/vessel-artifact/",
            "model": {
                "registry_id": "vr.tr.vessel-artifact",
                "name": "vessel",
                "purpose": "Enable an AI agent to recognise a water-transport craft, assess its condition and operating limits, and determine which uses or interventions are supported by available evidence.",
                "definition": "a craft designed for water transportation",
                "scope_statement": "This model owns the vessel as an integrated physical craft: its identity, transport configuration, flotation, stability, propulsion or movement arrangements, carrying limits, condition and readiness for a proposed waterborne operation.",
                "in_scope": [
                    "Vessel identity, type and intended water-transport role",
                    "Hull, flotation, watertight integrity and stability",
                    "Propulsion, steering, anchoring and towing arrangements",
                    "Passenger, cargo and equipment accommodation within carrying limits",
                    "Navigation, emergency capabilities and condition-dependent operating restrictions"
                ],
                "out_of_scope": [
                    "Waterways, ports, berths and their infrastructure",
                    "Voyages, routes and transport-service execution",
                    "People, crew qualifications and employment records",
                    "Cargo identities, ownership and supply-chain histories",
                    "Detailed component models for engines, batteries and navigation instruments",
                    "Ownership contracts, insurance policies and regulatory systems beyond their vessel-specific applicability"
                ],
                "distinguishing_features": [
                    "Its designed role includes transportation on or through water; incidental flotation by a container or other object does not establish vessel identity.",
                    "It functions as an integrated craft capable of carrying people, goods or transport equipment; an isolated hull component or propulsion unit does not meet this test.",
                    "Distinguish a transport craft from a floating installation by its intended transport function and operating configuration, rather than by whether it is currently moving.",
                    "Do not require self-propulsion: record whether movement depends on onboard propulsion, human effort, wind, towing or another arrangement.",
                    "Judge intended design separately from present usability: grounding, storage or loss of propulsion can change a vessel's state without by themselves changing its identity."
                ],
                "characteristics": [
                    {
                        "name": "Transport role",
                        "kind": "category",
                        "unit_or_values": "Passenger, cargo, mixed, recreational, support or other documented role",
                        "why_it_matters": "Determines which carrying arrangements and operational questions apply."
                    },
                    {
                        "name": "Water-operation mode",
                        "kind": "category",
                        "unit_or_values": "Surface, submersible, amphibious or unresolved",
                        "why_it_matters": "Identifies which flotation, boundary and operating-limit questions require investigation."
                    },
                    {
                        "name": "Hull configuration",
                        "kind": "category",
                        "unit_or_values": "Number and arrangement of hulls or other supporting structures",
                        "why_it_matters": "Shapes assessment of stability, damage and usable space."
                    },
                    {
                        "name": "Principal dimensions",
                        "kind": "measurement",
                        "unit_or_values": "Length, beam and air draft in metres, with configuration and measurement convention",
                        "why_it_matters": "Supports assessment of berth, passage and overhead clearance compatibility."
                    },
                    {
                        "name": "Loaded draft",
                        "kind": "measurement",
                        "unit_or_values": "Metres at specified positions, loading state and water conditions",
                        "why_it_matters": "Supports water-depth clearance checks and detection of abnormal trim."
                    },
                    {
                        "name": "Displacement",
                        "kind": "measurement",
                        "unit_or_values": "Kilograms or tonnes for a stated loading condition",
                        "why_it_matters": "Connects the vessel's supported mass to loading and flotation assessments."
                    },
                    {
                        "name": "Carrying limits",
                        "kind": "measurement",
                        "unit_or_values": "Persons, payload mass and local load limits, each with applicable conditions and evidence",
                        "why_it_matters": "Allows a proposed load to be checked against the limits that actually govern it."
                    },
                    {
                        "name": "Watertight integrity",
                        "kind": "state",
                        "unit_or_values": "Assessed condition of hull, openings and compartments, including unknown or uninspected areas",
                        "why_it_matters": "Identifies flooding exposure and restrictions on operation."
                    },
                    {
                        "name": "Movement arrangement",
                        "kind": "category",
                        "unit_or_values": "Powered, sail, human-powered, towed, combined or other documented arrangement",
                        "why_it_matters": "Establishes how movement and control can be achieved."
                    },
                    {
                        "name": "Operational endurance",
                        "kind": "measurement",
                        "unit_or_values": "Hours or nautical miles under stated load, speed, reserves and environmental assumptions",
                        "why_it_matters": "Supports comparison between available resources and a proposed operation."
                    },
                    {
                        "name": "Current operating status",
                        "kind": "state",
                        "unit_or_values": "Underway, moored, anchored, laid up, ashore, under repair, disabled or other observed state",
                        "why_it_matters": "Changes which movements, inspections and interventions are feasible."
                    },
                    {
                        "name": "Applicable operating evidence",
                        "kind": "relation",
                        "unit_or_values": "Links to identification records, surveys, trials, manuals and applicable authorisations",
                        "why_it_matters": "Makes capability and readiness judgements traceable to evidence for this vessel."
                    }
                ],
                "affordances": [
                    "Identify the craft and reconcile its markings with vessel records.",
                    "Assess a proposed passenger or cargo load against carrying and stability evidence.",
                    "Evaluate suitability for specified water, clearance and environmental conditions.",
                    "Determine whether propulsion, towing, steering and stopping arrangements support a proposed movement.",
                    "Plan inspection, maintenance or repair around documented defects and access constraints.",
                    "Select feasible mooring, anchoring, lifting or recovery arrangements using vessel-specific limits."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "craft-identity-and-role",
                        "name": "Craft identity and role",
                        "description": "Establishes which vessel is being represented and the water-transport functions its design supports.",
                        "rationale": "An agent must distinguish the craft from similarly named vessels, floating installations and records describing an earlier configuration.",
                        "layers": [
                            {
                                "id": "vessel-identification",
                                "name": "Vessel identification",
                                "description": "Connects the physical craft to its identifiers and configuration history.",
                                "findings": [
                                    {
                                        "id": "physical-record-correspondence",
                                        "name": "Physical and record correspondence",
                                        "description": "Record identifiers and distinguishing physical details sufficient to test whether evidence concerns this craft.",
                                        "questions": [
                                            {
                                                "text": "Which markings, identifiers and physical features distinguish this vessel from other craft?",
                                                "kind": "definition",
                                                "id": "physical-record-correspondence-q01"
                                            },
                                            {
                                                "text": "What evidence connects its present hull and configuration to the records being used?",
                                                "kind": "provenance",
                                                "id": "physical-record-correspondence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "transport-design",
                                "name": "Transport design",
                                "description": "Separates intended transport function from temporary use or inactivity.",
                                "findings": [
                                    {
                                        "id": "intended-water-transport-function",
                                        "name": "Intended water-transport function",
                                        "description": "Record what the craft was designed to transport and whether its present configuration preserves that role.",
                                        "questions": [
                                            {
                                                "text": "What people, goods or equipment is this craft designed to transport, and by what water-operation mode?",
                                                "kind": "definition",
                                                "id": "intended-water-transport-function-q01"
                                            },
                                            {
                                                "text": "Does its design and conversion history support treating it as a transport vessel or as a neighbouring kind of floating structure?",
                                                "kind": "boundary",
                                                "id": "intended-water-transport-function-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "flotation-and-stability",
                        "name": "Flotation and stability",
                        "description": "Represents how the vessel remains supported by water and responds to loading or water ingress.",
                        "rationale": "Transport capability depends on hull integrity and loading-dependent stability, which cannot be inferred from vessel type alone.",
                        "layers": [
                            {
                                "id": "hull-and-flooding",
                                "name": "Hull and flooding",
                                "description": "Records the condition of structures and openings that control water entry and its spread.",
                                "findings": [
                                    {
                                        "id": "water-ingress-exposure",
                                        "name": "Water-ingress exposure",
                                        "description": "Capture hull defects, vulnerable openings, compartment boundaries and available flooding controls.",
                                        "questions": [
                                            {
                                                "text": "Where are leaks, damage or unverified closures present, and what observations establish their condition?",
                                                "kind": "measurement",
                                                "id": "water-ingress-exposure-q01"
                                            },
                                            {
                                                "text": "Which isolation, dewatering or repair actions are supported by the vessel's configuration and current condition?",
                                                "kind": "action",
                                                "id": "water-ingress-exposure-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "loading-dependent-stability",
                                "name": "Loading-dependent stability",
                                "description": "Relates flotation and stability evidence to the actual distribution of weight.",
                                "findings": [
                                    {
                                        "id": "supported-loading-condition",
                                        "name": "Supported loading condition",
                                        "description": "Record the loading conditions covered by stability evidence and the uncertainties in applying it.",
                                        "questions": [
                                            {
                                                "text": "What stability assessment or trial evidence applies to this configuration and proposed loading condition?",
                                                "kind": "provenance",
                                                "id": "supported-loading-condition-q01"
                                            },
                                            {
                                                "text": "What are the current draft, freeboard, list and trim, and how do they compare with documented limits?",
                                                "kind": "measurement",
                                                "id": "supported-loading-condition-q02"
                                            },
                                            {
                                                "text": "Which changes in weight distribution, liquid levels or suspended loads require reassessment before proceeding?",
                                                "kind": "action",
                                                "id": "supported-loading-condition-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "movement-and-position-control",
                        "name": "Movement and position control",
                        "description": "Describes how the vessel moves, manoeuvres and remains in a chosen position.",
                        "rationale": "A vessel may float and carry a load yet lack the control or endurance needed for a particular operation.",
                        "layers": [
                            {
                                "id": "propulsion-and-manoeuvring",
                                "name": "Propulsion and manoeuvring",
                                "description": "Connects movement arrangements to demonstrated control and resource limits.",
                                "findings": [
                                    {
                                        "id": "available-motion-control",
                                        "name": "Available motion control",
                                        "description": "Record usable propulsion, steering and stopping capabilities, including dependence on external assistance.",
                                        "questions": [
                                            {
                                                "text": "How does this vessel generate movement, steer and stop, and which functions currently depend on another craft?",
                                                "kind": "definition",
                                                "id": "available-motion-control-q01"
                                            },
                                            {
                                                "text": "What manoeuvring and endurance evidence applies at the intended load and operating conditions?",
                                                "kind": "measurement",
                                                "id": "available-motion-control-q02"
                                            },
                                            {
                                                "text": "What movement restrictions follow from unavailable equipment or depleted propulsion resources?",
                                                "kind": "action",
                                                "id": "available-motion-control-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "station-keeping-and-towing",
                                "name": "Station keeping and towing",
                                "description": "Records vessel-side arrangements for anchoring, mooring and transmitting towing forces.",
                                "findings": [
                                    {
                                        "id": "securement-and-tow-compatibility",
                                        "name": "Securement and tow compatibility",
                                        "description": "Identify suitable fittings, equipment and limits for securing or towing the craft.",
                                        "questions": [
                                            {
                                                "text": "Which anchoring, mooring and towing arrangements are documented for this vessel, and what limits apply?",
                                                "kind": "provenance",
                                                "id": "securement-and-tow-compatibility-q01"
                                            },
                                            {
                                                "text": "Can the proposed arrangement use available attachment points and equipment within those limits?",
                                                "kind": "action",
                                                "id": "securement-and-tow-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "carriage-and-access",
                        "name": "Carriage and access",
                        "description": "Represents what the vessel can accommodate and how people or loads enter, remain aboard and leave.",
                        "rationale": "A nominal capacity does not establish that a specific load fits, can be secured or can be transferred safely.",
                        "layers": [
                            {
                                "id": "carrying-envelope",
                                "name": "Carrying envelope",
                                "description": "Captures the distinct constraints on total load, local loading and usable accommodation.",
                                "findings": [
                                    {
                                        "id": "proposed-load-compatibility",
                                        "name": "Proposed load compatibility",
                                        "description": "Evaluate a proposed complement and payload against evidenced vessel limits.",
                                        "questions": [
                                            {
                                                "text": "What passenger, payload, space and local structural limits apply to the proposed configuration?",
                                                "kind": "measurement",
                                                "id": "proposed-load-compatibility-q01"
                                            },
                                            {
                                                "text": "Can the proposed load be distributed, segregated and secured using the vessel's available arrangements?",
                                                "kind": "action",
                                                "id": "proposed-load-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "boarding-and-transfer",
                                "name": "Boarding and transfer",
                                "description": "Records vessel-side access paths, transfer interfaces and their operating constraints.",
                                "findings": [
                                    {
                                        "id": "usable-transfer-paths",
                                        "name": "Usable transfer paths",
                                        "description": "Capture access dimensions, equipment limits and configuration changes needed for boarding or loading.",
                                        "questions": [
                                            {
                                                "text": "What dimensions, load limits and movement constraints govern gangways, ramps, hatches and transfer equipment?",
                                                "kind": "measurement",
                                                "id": "usable-transfer-paths-q01"
                                            },
                                            {
                                                "text": "Which boarding or loading method is feasible at the expected vessel position, freeboard and relative motion?",
                                                "kind": "action",
                                                "id": "usable-transfer-paths-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operating-readiness-and-recovery",
                        "name": "Operating readiness and recovery",
                        "description": "Connects a proposed operation to vessel-specific limits, condition evidence and emergency arrangements.",
                        "rationale": "Readiness is conditional on the intended operation and current defects; it is not a permanent property of the craft.",
                        "layers": [
                            {
                                "id": "operating-envelope",
                                "name": "Operating envelope",
                                "description": "Records the conditions under which the vessel's capabilities are supported.",
                                "findings": [
                                    {
                                        "id": "operation-specific-readiness",
                                        "name": "Operation-specific readiness",
                                        "description": "Combine navigation capability, clearance needs, environmental limits and relevant vessel records for a proposed use.",
                                        "questions": [
                                            {
                                                "text": "What documented limits apply to water depth, overhead clearance, wind, waves, visibility or other relevant conditions?",
                                                "kind": "boundary",
                                                "id": "operation-specific-readiness-q01"
                                            },
                                            {
                                                "text": "Which inspections, trials and applicable authorisations support readiness, and what configuration or time limits qualify that evidence?",
                                                "kind": "provenance",
                                                "id": "operation-specific-readiness-q02"
                                            },
                                            {
                                                "text": "Do current defects and available navigation equipment permit the proposed operation within those limits?",
                                                "kind": "action",
                                                "id": "operation-specific-readiness-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "emergency-and-recovery-arrangements",
                                "name": "Emergency and recovery arrangements",
                                "description": "Represents vessel-specific means to respond to casualties and recover the craft.",
                                "findings": [
                                    {
                                        "id": "casualty-response-capability",
                                        "name": "Casualty response capability",
                                        "description": "Record usable emergency provisions, evacuation paths and supported recovery interfaces.",
                                        "questions": [
                                            {
                                                "text": "What is the inspected condition and capacity of arrangements for fire response, distress communication, evacuation and person-overboard recovery?",
                                                "kind": "measurement",
                                                "id": "casualty-response-capability-q01"
                                            },
                                            {
                                                "text": "Which emergency actions remain feasible with the current complement, loading and equipment failures?",
                                                "kind": "action",
                                                "id": "casualty-response-capability-q02"
                                            },
                                            {
                                                "text": "What evidence identifies permissible lifting, supporting or recovery points and their limitations?",
                                                "kind": "provenance",
                                                "id": "casualty-response-capability-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Where does this registry draw the boundary for transport rafts, personal watercraft, amphibious craft, submersibles and floating structures that are only occasionally relocated?",
                "Which existing Vercy world models already own vessel concepts or capabilities and should be linked instead of duplicated?",
                "Which authoritative evidence and measurement conventions should govern carrying capacity, stability and operating limits for each vessel category?",
                "How should major conversions, permanent immobilisation, abandonment or wreck condition affect continuity of vessel identity?",
                "What evidence freshness and unresolved-condition thresholds should prevent an agent from declaring a vessel ready for a specified operation?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 24
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched.",
            "facetsInferred": false,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a vessel, record what state it is in, and decide what may be done with it.",
            "whatItIs": "a craft designed for water transportation",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "self-moving",
                "scale": "vehicle"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: abandoned ship, derelict, aircraft carrier, carrier, flattop, attack aircraft carrier, attack submarine, auxiliary research submarine, banana boat, bareboat, bark, barque.",
                "120 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a vessel, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "On the scale of a vehicle: moved, not carried.",
                "Moves under its own power or of its own accord.",
                "Does nothing on its own; everything it does, something else did to it."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "abandoned ship",
                        "derelict",
                        "aircraft carrier",
                        "carrier",
                        "flattop",
                        "attack aircraft carrier",
                        "attack submarine",
                        "auxiliary research submarine",
                        "banana boat",
                        "bareboat",
                        "bark",
                        "barque"
                    ]
                }
            ],
            "standing": "120 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 vessel from another, and a vessel 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 vessel, 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 vessel, 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 vessel 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 vessel, 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 vessel, 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 vessel 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 vessel 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 vessel, 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 vessel, 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 vessel 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 vessel from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a vessel, 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 vessel, 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 vessel 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 vessel 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 at vehicle scale.",
                                "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 vessel, 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 vessel, 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 vessel 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 vessel is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a vessel, 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 vessel, 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 vessel 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 vessel is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a vessel, 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 vessel, 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 vessel 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 vessel is, how it got there and where it may go (self-moving).",
                        "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 vessel is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a vessel, 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 vessel, 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 vessel 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 vessel moves on its own.",
                                "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 vessel, 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 vessel, 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 vessel 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 vessel 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 vessel between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a vessel, 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 vessel, 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 vessel 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 vessel, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a vessel 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 vessel, 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 vessel, 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 vessel is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "safety-and-constraints",
                        "name": "Safety, rules and constraints",
                        "description": "How a vessel can hurt someone, and what the rules say about it.",
                        "rationale": "A model of a thing that can cause harm has to carry the harm and the rule, or the agent will infer neither.",
                        "layers": [
                            {
                                "id": "hazards-and-mitigations",
                                "name": "Hazards and mitigations",
                                "description": "What goes wrong, to whom, and what prevents it.",
                                "findings": [
                                    {
                                        "id": "hazard-profile",
                                        "name": "Hazard profile and mitigations",
                                        "description": "The ways a vessel causes harm and the measures that reduce it.",
                                        "questions": [
                                            {
                                                "id": "hazard-profile-q01",
                                                "text": "What identifies and describes the hazards of a vessel, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "hazard-profile-q02",
                                                "text": "Who or what asserted this about the hazards of a vessel, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "hazard-profile-q03",
                                                "text": "What may an agent decide or do once the hazards of a vessel is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rules-and-permissions",
                                "name": "Rules, permits and jurisdiction",
                                "description": "Who is allowed to do what with a vessel, and where.",
                                "findings": [
                                    {
                                        "id": "applicable-rules",
                                        "name": "Applicable rules and permissions",
                                        "description": "The rules that bind an agent acting on a vessel, with the jurisdiction they hold in.",
                                        "questions": [
                                            {
                                                "id": "applicable-rules-q01",
                                                "text": "What identifies and describes the rules covering a vessel, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "applicable-rules-q02",
                                                "text": "Who or what asserted this about the rules covering a vessel, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "applicable-rules-q03",
                                                "text": "What may an agent decide or do once the rules covering a vessel 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 vessel 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 vessel 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 vessel, 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 vessel 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 vessel 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 vessel 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 vessel 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 vessel 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 vessel, 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 vessel 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 vessel and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a vessel, 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 vessel, 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 vessel 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 vessel is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a vessel, 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 vessel, 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 vessel is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 9,
                "layers": 19,
                "findings": 21,
                "questions": 57
            }
        }
    }
}