{
    "model": {
        "rank": 5760,
        "code": "thing-q232254",
        "model_id": "vr.tr.pickaxe",
        "name": "pickaxe",
        "purpose": "Enable an AI agent to recognise a pickaxe, assess its working condition and determine whether and how it can be used, maintained or withdrawn from service.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q232254/",
        "tier": 2,
        "score": 65,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "diamond pickaxe",
                "Keilhaue"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 65,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q232254",
                "url": "https://www.wikidata.org/wiki/Q232254",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:13:39Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 14.3,
                        "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": 83.6,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b23-c738-7383-a012-f77d6d4dcf5b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: pickaxe\nRegistry id: vr.tr.pickaxe\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy m"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q232254",
                "registryId": "vr.tr.pickaxe",
                "name": "pickaxe",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q232254/",
            "model": {
                "registry_id": "vr.tr.pickaxe",
                "name": "pickaxe",
                "purpose": "Enable an AI agent to recognise a pickaxe, assess its working condition and determine whether and how it can be used, maintained or withdrawn from service.",
                "definition": "",
                "scope_statement": "This model owns the identity, working geometry, assembly, condition and task suitability of an individual manually swung pickaxe, including uncertainty at its boundaries with mattocks and related digging tools.",
                "in_scope": [
                    "Head configuration, including the pointed end and any opposing blade or point",
                    "Handle geometry, material, grip and head attachment",
                    "Condition of working ends, head, handle and attachment",
                    "Suitability for a specified ground-breaking or excavation task",
                    "Inspection, maintenance, component replacement and storage readiness"
                ],
                "out_of_scope": [
                    "Geological classification and engineering properties of the ground",
                    "Excavation design, buried-service clearance and site authorisations",
                    "Operator competence, health and personal protective equipment",
                    "Powered breakers, excavator attachments and their operating systems",
                    "Separate models for mattocks, axes, hoes, pry bars and climbing ice axes"
                ],
                "distinguishing_features": [
                    "Check for a rigid head mounted transversely on a handle and a substantial pointed working end intended to enter material during a swing; a pointed pry bar lacks this head-and-handle arrangement.",
                    "Inspect the opposing end and its edge orientation: a point paired with a broad transverse digging blade may overlap with a pick mattock, so the name alone does not establish the boundary.",
                    "Check whether the working geometry supports ground penetration and breaking rather than primarily cutting wood with an axe edge.",
                    "Check the intended operating context and head design before distinguishing a digging pickaxe from an ice axe or a specialist rescue tool."
                ],
                "characteristics": [
                    {
                        "name": "Declared tool type and supporting evidence",
                        "kind": "category",
                        "unit_or_values": "Recorded designation, observed configuration and classification uncertainty",
                        "why_it_matters": "Allows recognition without treating inconsistent product names as decisive."
                    },
                    {
                        "name": "Working-end configuration",
                        "kind": "category",
                        "unit_or_values": "Point and narrow blade; point and broad transverse blade; double point; other observed configuration",
                        "why_it_matters": "Determines available actions and exposes possible overlap with neighbouring tool classes."
                    },
                    {
                        "name": "Working-end geometry",
                        "kind": "measurement",
                        "unit_or_values": "End projection and blade width in mm; tip radius in mm where measurable; edge orientation in degrees",
                        "why_it_matters": "Supports assessment of access, penetration behaviour and changes caused by wear or repair."
                    },
                    {
                        "name": "Head mass",
                        "kind": "measurement",
                        "unit_or_values": "kg",
                        "why_it_matters": "Helps judge handling demands and distinguish otherwise similar tool sizes."
                    },
                    {
                        "name": "Overall length",
                        "kind": "measurement",
                        "unit_or_values": "mm",
                        "why_it_matters": "Affects reach, control and the space needed to swing the tool."
                    },
                    {
                        "name": "Head and handle materials",
                        "kind": "category",
                        "unit_or_values": "Documented material for each component; observed material with uncertainty; unknown",
                        "why_it_matters": "Guides inspection and the applicability of repair or replacement instructions."
                    },
                    {
                        "name": "Head attachment system",
                        "kind": "category",
                        "unit_or_values": "Observed fitting and retention arrangement, including integral construction where applicable",
                        "why_it_matters": "Determines how attachment security is assessed and which replacement procedures apply."
                    },
                    {
                        "name": "Head-to-handle security",
                        "kind": "state",
                        "unit_or_values": "No movement detected by recorded inspection; movement detected; damaged retention; unassessed",
                        "why_it_matters": "A compromised attachment can make swinging the tool unacceptable."
                    },
                    {
                        "name": "Component condition",
                        "kind": "state",
                        "unit_or_values": "Location and extent of wear, cracks, chips, deformation, corrosion, splinters or other observed damage",
                        "why_it_matters": "Connects specific defects to restrictions, further inspection or withdrawal."
                    },
                    {
                        "name": "Task suitability",
                        "kind": "relation",
                        "unit_or_values": "Tool linked to a proposed action, target material, workspace and supporting instructions",
                        "why_it_matters": "Prevents general recognition as a pickaxe from being mistaken for approval for every digging task."
                    }
                ],
                "affordances": [
                    "Identify and select a working end for a specified penetration, breaking or loosening task.",
                    "Assess whether the tool can be controlled within the available swing space.",
                    "Inspect the head, handle and attachment before authorising use.",
                    "Clean and maintain working ends according to applicable tool instructions.",
                    "Replace a compatible handle or other serviceable component using an established procedure.",
                    "Withdraw a damaged tool and secure its pointed or edged ends for storage or transport."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "pickaxe-identity",
                        "name": "Pickaxe identity",
                        "description": "Establish what the tool is from its physical configuration and documented intended use.",
                        "rationale": "Pickaxe naming can overlap with mattocks and other pointed tools, making geometry and evidence essential to recognition.",
                        "layers": [
                            {
                                "id": "head-pattern",
                                "name": "Head pattern",
                                "description": "Describe the combination of working ends that defines the observed tool.",
                                "findings": [
                                    {
                                        "id": "working-end-pair",
                                        "name": "Working-end pair",
                                        "description": "Record the pointed end, opposing end and their orientation relative to the handle.",
                                        "questions": [
                                            {
                                                "text": "What working ends are present, and how are their points or edges oriented relative to the handle?",
                                                "kind": "definition",
                                                "id": "working-end-pair-q01"
                                            },
                                            {
                                                "text": "Does the observed head pattern leave the tool's classification as a pickaxe or pick mattock unresolved?",
                                                "kind": "boundary",
                                                "id": "working-end-pair-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "intended-tool-role",
                                "name": "Intended tool role",
                                "description": "Connect the physical tool to evidence about its intended application.",
                                "findings": [
                                    {
                                        "id": "designation-evidence",
                                        "name": "Designation evidence",
                                        "description": "Keep markings and manufacturer descriptions distinct from an inferred classification.",
                                        "questions": [
                                            {
                                                "text": "Which markings, product records or instructions identify this tool and its intended applications?",
                                                "kind": "provenance",
                                                "id": "designation-evidence-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes this tool from a climbing ice axe, rescue tool or other specialist pick?",
                                                "kind": "boundary",
                                                "id": "designation-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "working-end-capability",
                        "name": "Working-end capability",
                        "description": "Relate each working end's geometry to the actions proposed for it.",
                        "rationale": "A pickaxe's ends can support different interactions with ground, and suitability cannot be inferred from the tool name alone.",
                        "layers": [
                            {
                                "id": "point-geometry",
                                "name": "Point geometry",
                                "description": "Describe the pointed end's reach, profile and current shape.",
                                "findings": [
                                    {
                                        "id": "penetrating-point",
                                        "name": "Penetrating point",
                                        "description": "Record the geometry needed to assess access and the proposed penetration action.",
                                        "questions": [
                                            {
                                                "text": "What are the point's projection, curvature and tip condition, and how were they measured or observed?",
                                                "kind": "measurement",
                                                "id": "penetrating-point-q01"
                                            },
                                            {
                                                "text": "For the stated target material and task, what evidence supports using this point to penetrate or break it?",
                                                "kind": "action",
                                                "id": "penetrating-point-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "opposing-end-function",
                                "name": "Opposing-end function",
                                "description": "Assess the second end according to its actual shape and supported uses.",
                                "findings": [
                                    {
                                        "id": "second-end-action",
                                        "name": "Second-end action",
                                        "description": "Distinguish the capabilities of an opposing blade, point or other observed form.",
                                        "questions": [
                                            {
                                                "text": "What are the opposing end's width, profile and orientation?",
                                                "kind": "measurement",
                                                "id": "second-end-action-q01"
                                            },
                                            {
                                                "text": "Which proposed actions are supported for this end, and which require a different tool?",
                                                "kind": "action",
                                                "id": "second-end-action-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "swing-and-attachment",
                        "name": "Swing and attachment",
                        "description": "Describe the assembly through which the operator controls the head and delivers a strike.",
                        "rationale": "The mass carried at the end of a handle makes control and attachment security central to pickaxe use.",
                        "layers": [
                            {
                                "id": "handling-geometry",
                                "name": "Handling geometry",
                                "description": "Record tool dimensions and grip features relevant to a controlled swing.",
                                "findings": [
                                    {
                                        "id": "swing-envelope",
                                        "name": "Swing envelope",
                                        "description": "Relate head mass, tool length and grip arrangement to the proposed workspace and user.",
                                        "questions": [
                                            {
                                                "text": "What are the head mass, overall length and usable grip dimensions?",
                                                "kind": "measurement",
                                                "id": "swing-envelope-q01"
                                            },
                                            {
                                                "text": "Can the intended operator control this tool through the proposed swing and recovery within the available clearance?",
                                                "kind": "action",
                                                "id": "swing-envelope-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "head-retention",
                                "name": "Head retention",
                                "description": "Describe how the head is seated and retained on the handle.",
                                "findings": [
                                    {
                                        "id": "attachment-security",
                                        "name": "Attachment security",
                                        "description": "Record the fitting arrangement and evidence of movement, damage or improper assembly.",
                                        "questions": [
                                            {
                                                "text": "How is this head fitted and retained, and which instructions establish the correct assembled condition?",
                                                "kind": "provenance",
                                                "id": "attachment-security-q01"
                                            },
                                            {
                                                "text": "Does inspection reveal head movement, incomplete seating or damage that requires withdrawal before swinging?",
                                                "kind": "action",
                                                "id": "attachment-security-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "impact-condition",
                        "name": "Impact condition",
                        "description": "Assess deterioration in the components subjected to repeated strikes and handling loads.",
                        "rationale": "Working-end damage and handle defects can change whether a pickaxe remains fit for use even when its overall form is intact.",
                        "layers": [
                            {
                                "id": "head-and-tip-condition",
                                "name": "Head and tip condition",
                                "description": "Inspect working ends and the head body for damage and wear.",
                                "findings": [
                                    {
                                        "id": "head-defect-assessment",
                                        "name": "Head defect assessment",
                                        "description": "Locate defects and distinguish observed damage from an unsupported judgement about serviceability.",
                                        "questions": [
                                            {
                                                "text": "Where are cracks, chips, deformation, corrosion or tip wear visible, and what is their observed extent?",
                                                "kind": "measurement",
                                                "id": "head-defect-assessment-q01"
                                            },
                                            {
                                                "text": "Which documented criteria determine whether these defects permit use, require specialist assessment or require replacement?",
                                                "kind": "action",
                                                "id": "head-defect-assessment-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handle-and-grip-condition",
                                "name": "Handle and grip condition",
                                "description": "Assess material-specific damage along the handle and at likely strike or grip locations.",
                                "findings": [
                                    {
                                        "id": "handle-integrity",
                                        "name": "Handle integrity",
                                        "description": "Record structural and surface defects, including damage near the head from missed strikes.",
                                        "questions": [
                                            {
                                                "text": "What splitting, cracking, splintering, deformation, exposed reinforcement or grip deterioration is present for this handle material?",
                                                "kind": "measurement",
                                                "id": "handle-integrity-q01"
                                            },
                                            {
                                                "text": "Does damage near the head or along the grip require the handle to be replaced before further use?",
                                                "kind": "action",
                                                "id": "handle-integrity-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-service-decisions",
                        "name": "Use and service decisions",
                        "description": "Determine permitted actions and the route back to service after wear, damage or component replacement.",
                        "rationale": "A pickaxe may be physically capable of an action that its design or instructions do not support, and repairs can alter its working geometry or attachment.",
                        "layers": [
                            {
                                "id": "task-boundaries",
                                "name": "Task boundaries",
                                "description": "Connect proposed actions to tool-specific limits and external task prerequisites.",
                                "findings": [
                                    {
                                        "id": "supported-loading",
                                        "name": "Supported loading",
                                        "description": "Distinguish intended swinging actions from proposed levering, hammering or other loading.",
                                        "questions": [
                                            {
                                                "text": "Do the applicable instructions permit the proposed striking, levering or hammering action?",
                                                "kind": "action",
                                                "id": "supported-loading-q01"
                                            },
                                            {
                                                "text": "Which site-clearance and target-material decisions must be supplied by neighbouring models before tool use can be authorised?",
                                                "kind": "boundary",
                                                "id": "supported-loading-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "maintenance-and-return",
                                "name": "Maintenance and return",
                                "description": "Track permissible servicing and evidence required before returning the tool to use.",
                                "findings": [
                                    {
                                        "id": "service-compatibility",
                                        "name": "Service compatibility",
                                        "description": "Establish suitable replacement parts, permitted working-end maintenance and post-service checks.",
                                        "questions": [
                                            {
                                                "text": "Which replacement handles, fitting dimensions and retention parts are documented as compatible with this head?",
                                                "kind": "provenance",
                                                "id": "service-compatibility-q01"
                                            },
                                            {
                                                "text": "What cleaning, sharpening or reshaping is permitted, and what inspection must follow servicing before reuse?",
                                                "kind": "action",
                                                "id": "service-compatibility-q02"
                                            },
                                            {
                                                "text": "How should this tool's points and edges be secured during storage or transport?",
                                                "kind": "action",
                                                "id": "service-compatibility-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "What operational boundary should the registry use between pickaxe and pick mattock when product names and head patterns overlap?",
                "Which specialist or compact pick designs belong within this entry rather than neighbouring registered things?",
                "Which authoritative instructions establish inspection and withdrawal criteria for the head, working ends and different handle materials?",
                "For which pickaxe designs are levering, hammering or being struck by another tool explicitly permitted or prohibited?",
                "Which servicing procedures and replacement-component specifications can be verified across the pickaxe variants represented by this model?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 21
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a pickaxe, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a pickaxe, assess its working condition and determine whether and how it can be used, maintained or withdrawn from service.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: diamond pickaxe, Keilhaue.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 65 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a pickaxe, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "diamond pickaxe",
                        "Keilhaue"
                    ]
                }
            ],
            "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one pickaxe from another, and a pickaxe 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 pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe 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 pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a pickaxe is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe 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 pickaxe between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a pickaxe 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 pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe 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 pickaxe 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 pickaxe, 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 pickaxe 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 pickaxe 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 pickaxe 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 pickaxe 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 pickaxe 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 pickaxe, 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 pickaxe 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 pickaxe and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a pickaxe, 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 pickaxe, 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 pickaxe 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 pickaxe is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a pickaxe, 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 pickaxe, 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 pickaxe is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}