{
    "model": {
        "rank": 6589,
        "code": "thing-q182228",
        "model_id": "vr.tr.brain-stem",
        "name": "brain stem",
        "purpose": "Enable an AI agent to identify a brain stem, describe its anatomical and functional condition, and determine what further observation or specialist assessment is warranted.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q182228/",
        "tier": 2,
        "score": 59,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "human brain stem"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 59,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q182228",
                "url": "https://www.wikidata.org/wiki/Q182228",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:04:46Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 17.4,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08869-bb80-7530-8657-1794d1fb4001\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: brain stem\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 007: 1001 regi",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 61.3,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08869-bb8b-7e61-ba58-1246f1eb3dd7\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: brain stem\nRegistry id: vr.tr.brain-stem\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q182228",
                "registryId": "vr.tr.brain-stem",
                "name": "brain stem",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q182228/",
            "model": {
                "registry_id": "vr.tr.brain-stem",
                "name": "brain stem",
                "purpose": "Enable an AI agent to identify a brain stem, describe its anatomical and functional condition, and determine what further observation or specialist assessment is warranted.",
                "definition": "The brain stem is the part of the brain comprising the midbrain, pons and medulla oblongata, connecting the spinal cord with more rostral brain regions and containing pathways and nuclei involved in sensory and motor processing, arousal and vital autonomic functions.",
                "scope_statement": "This model owns the brain stem as an anatomical region comprising the midbrain, pons and medulla oblongata, including its intrinsic nuclei, traversing pathways and interfaces with adjacent nervous structures; human anatomy is the default, with species recorded explicitly.",
                "in_scope": [
                    "Midbrain, pons and medulla boundaries and internal organisation",
                    "Intrinsic nuclei, reticular formation and traversing neural pathways",
                    "Interfaces with the spinal cord, diencephalon, cerebellum and cranial nerves",
                    "Contributions to autonomic regulation, arousal, sensorimotor transmission and cranial nerve functions",
                    "Regional blood supply, tissue integrity and documented structural abnormalities",
                    "Brain-stem-specific observations, their provenance and limits of interpretation"
                ],
                "out_of_scope": [
                    "Whole-brain organisation and cognition beyond brain-stem contributions",
                    "Cerebellum, cerebral hemispheres, diencephalon and spinal cord as independently modelled structures",
                    "Peripheral courses and target organs of cranial nerves",
                    "Diseases, injuries and syndromes as independently modelled conditions",
                    "Treatment protocols, surgical procedures and rehabilitation programmes",
                    "Whole-person diagnosis, prognosis or determination of death"
                ],
                "distinguishing_features": [
                    "Identify a continuous anatomical region containing midbrain, pons and medulla; a medulla alone is only one component.",
                    "Distinguish it from the cerebellum by its continuity with the spinal cord and diencephalon and its connections to the cerebellum through peduncles.",
                    "Distinguish it from the spinal cord using documented medullary and craniovertebral landmarks rather than treating all vertically continuous neural tissue as brain stem.",
                    "Distinguish the anatomical region from the reticular formation, which is a distributed neuronal organisation rather than a synonym for the entire brain stem.",
                    "Require species and anatomical convention before applying human regional boundaries to comparative specimens."
                ],
                "characteristics": [
                    {
                        "name": "Species and developmental stage",
                        "kind": "category",
                        "unit_or_values": "Taxon; embryonic, fetal, postnatal or adult stage with age where known",
                        "why_it_matters": "Determines which anatomical references and developmental expectations apply."
                    },
                    {
                        "name": "Anatomical subdivision",
                        "kind": "category",
                        "unit_or_values": "Midbrain, pons, medulla oblongata, multiple subdivisions or unresolved",
                        "why_it_matters": "Localises observations without assigning them indiscriminately to the whole brain stem."
                    },
                    {
                        "name": "Position within the subdivision",
                        "kind": "category",
                        "unit_or_values": "Left, right or midline; rostral-caudal and dorsal-ventral location; atlas coordinates where available",
                        "why_it_matters": "Small differences in location can involve different nuclei and pathways."
                    },
                    {
                        "name": "Regional dimensions",
                        "kind": "measurement",
                        "unit_or_values": "Lengths in mm and volumes in mm³, with segmentation boundary, method and reference population",
                        "why_it_matters": "Supports comparison while preventing measurements from incompatible boundaries being treated as equivalent."
                    },
                    {
                        "name": "Nuclear or tract involvement",
                        "kind": "relation",
                        "unit_or_values": "Links to named nuclei, tracts, peduncles or cranial nerve attachment zones; observed, inferred or unresolved",
                        "why_it_matters": "Connects regional anatomy to possible functional consequences with explicit evidential confidence."
                    },
                    {
                        "name": "Tissue condition",
                        "kind": "state",
                        "unit_or_values": "No abnormality detected by the stated method, abnormal, indeterminate or not assessed; abnormality described separately",
                        "why_it_matters": "Separates an observation from an unsupported claim that all tissue and functions are normal."
                    },
                    {
                        "name": "Vascular relationship",
                        "kind": "relation",
                        "unit_or_values": "Named supplying vessels, perforators or drainage structures; subject-specific or reference-based",
                        "why_it_matters": "Supports interpretation of regional perfusion and lesion patterns."
                    },
                    {
                        "name": "Functional assessment result",
                        "kind": "state",
                        "unit_or_values": "Preserved, altered, absent, indeterminate or not assessed for each named function, with method, time and confounders",
                        "why_it_matters": "Prevents a single reflex or examination result from being generalised to total brain-stem function."
                    }
                ],
                "affordances": [
                    "Locate and annotate brain-stem subdivisions in an image, specimen or anatomical record.",
                    "Associate a documented abnormality with candidate nuclei and pathways while marking localisation uncertainty.",
                    "Compare regional morphology across observations using compatible acquisition and segmentation methods.",
                    "Record brain-stem-related examination findings alongside timing, technique and confounders.",
                    "Trace anatomical connections to neighbouring models without absorbing those structures into this model.",
                    "Identify missing evidence and route unresolved anatomical or functional interpretations for specialist review."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "regional-anatomy",
                        "name": "Regional anatomy",
                        "description": "Recognition, subdivision and external interfaces of the brain stem.",
                        "rationale": "An agent must establish which tissue belongs to the brain stem before interpreting its condition.",
                        "layers": [
                            {
                                "id": "subdivisions-and-landmarks",
                                "name": "Subdivisions and landmarks",
                                "description": "Identification of midbrain, pons and medulla using explicit anatomical conventions.",
                                "findings": [
                                    {
                                        "id": "regional-boundary-record",
                                        "name": "Regional boundary record",
                                        "description": "Records the landmarks and reference used to delimit the whole brain stem and each subdivision.",
                                        "questions": [
                                            {
                                                "text": "Which landmarks identify the midbrain, pons and medulla in this species and observation modality?",
                                                "kind": "definition",
                                                "id": "regional-boundary-record-q01"
                                            },
                                            {
                                                "text": "How are the transitions to the diencephalon and spinal cord delimited, and where is the boundary uncertain?",
                                                "kind": "boundary",
                                                "id": "regional-boundary-record-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "adjacent-structures",
                                "name": "Adjacent structures",
                                "description": "Relationships to the cerebellum, ventricular spaces and cranial nerve attachment zones.",
                                "findings": [
                                    {
                                        "id": "interface-map",
                                        "name": "Interface map",
                                        "description": "Records adjacency and continuity without conflating connected structures with the brain stem itself.",
                                        "questions": [
                                            {
                                                "text": "Which cerebellar peduncles and ventricular landmarks are identifiable relative to the brain stem?",
                                                "kind": "boundary",
                                                "id": "interface-map-q01"
                                            },
                                            {
                                                "text": "Which cranial nerve attachment zones are visible, and where does this record hand off to the peripheral nerve model?",
                                                "kind": "boundary",
                                                "id": "interface-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "nuclei-and-pathways",
                        "name": "Nuclei and pathways",
                        "description": "Internal neuronal groups and connections relevant to localisation.",
                        "rationale": "External subdivision alone does not explain which functions a local abnormality may affect.",
                        "layers": [
                            {
                                "id": "intrinsic-nuclei",
                                "name": "Intrinsic nuclei",
                                "description": "Localisation of cranial nerve nuclei and other intrinsic neuronal groups.",
                                "findings": [
                                    {
                                        "id": "nuclear-localisation",
                                        "name": "Nuclear localisation",
                                        "description": "Distinguishes directly identified nuclei from locations inferred using an atlas.",
                                        "questions": [
                                            {
                                                "text": "Which cranial nerve nuclei or other named neuronal groups lie within the region being described?",
                                                "kind": "definition",
                                                "id": "nuclear-localisation-q01"
                                            },
                                            {
                                                "text": "Is each nuclear location directly resolved, histologically demonstrated or inferred from a named atlas?",
                                                "kind": "provenance",
                                                "id": "nuclear-localisation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "longitudinal-and-crossing-pathways",
                                "name": "Longitudinal and crossing pathways",
                                "description": "Ascending, descending and cerebellar connections, including relevant crossings.",
                                "findings": [
                                    {
                                        "id": "tract-and-laterality-map",
                                        "name": "Tract and laterality map",
                                        "description": "Records implicated pathways and how their course affects interpretation of sided findings.",
                                        "questions": [
                                            {
                                                "text": "Which sensory, motor or cerebellar pathways traverse the observed region?",
                                                "kind": "definition",
                                                "id": "tract-and-laterality-map-q01"
                                            },
                                            {
                                                "text": "Where does each relevant pathway cross relative to the observation, and what evidence supports the recorded laterality?",
                                                "kind": "boundary",
                                                "id": "tract-and-laterality-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "functional-contributions",
                        "name": "Functional contributions",
                        "description": "Brain-stem participation in physiological regulation, arousal and cranial sensorimotor activity.",
                        "rationale": "Functional interpretation requires named circuits and observations rather than a single global brain-stem status.",
                        "layers": [
                            {
                                "id": "autonomic-regulation-and-arousal",
                                "name": "Autonomic regulation and arousal",
                                "description": "Contributions to breathing, cardiovascular regulation and wakefulness within wider networks.",
                                "findings": [
                                    {
                                        "id": "regulatory-function-evidence",
                                        "name": "Regulatory function evidence",
                                        "description": "Links physiological observations to candidate brain-stem contributions while retaining alternative explanations.",
                                        "questions": [
                                            {
                                                "text": "Which observations concern respiratory regulation, cardiovascular regulation or arousal, and when were they obtained?",
                                                "kind": "measurement",
                                                "id": "regulatory-function-evidence-q01"
                                            },
                                            {
                                                "text": "What evidence supports a brain-stem contribution rather than an explanation involving medication, systemic physiology or other neural regions?",
                                                "kind": "provenance",
                                                "id": "regulatory-function-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "cranial-sensorimotor-and-reflex-functions",
                                "name": "Cranial sensorimotor and reflex functions",
                                "description": "Observed functions involving cranial nerve circuits and their peripheral connections.",
                                "findings": [
                                    {
                                        "id": "function-specific-observations",
                                        "name": "Function-specific observations",
                                        "description": "Records individual findings involving eye movements, facial function, swallowing or named reflexes.",
                                        "questions": [
                                            {
                                                "text": "Which specific movement, sensory response or reflex was assessed, using what method and with what result?",
                                                "kind": "measurement",
                                                "id": "function-specific-observations-q01"
                                            },
                                            {
                                                "text": "Which components of the assessed circuit lie in the brain stem, and which peripheral or supranuclear components could explain the result?",
                                                "kind": "boundary",
                                                "id": "function-specific-observations-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "vascular-and-tissue-condition",
                        "name": "Vascular and tissue condition",
                        "description": "Regional vascular relationships, tissue abnormalities and deformation.",
                        "rationale": "The extent and distribution of affected tissue matter more than an undifferentiated abnormality label.",
                        "layers": [
                            {
                                "id": "regional-blood-supply",
                                "name": "Regional blood supply",
                                "description": "Vessels and territories associated with the observed brain-stem region.",
                                "findings": [
                                    {
                                        "id": "vascular-territory-evidence",
                                        "name": "Vascular territory evidence",
                                        "description": "Separates demonstrated vascular anatomy from reference-based territory assignments.",
                                        "questions": [
                                            {
                                                "text": "Which supplying arteries or perforator territories are associated with the region, and are they demonstrated in this individual?",
                                                "kind": "provenance",
                                                "id": "vascular-territory-evidence-q01"
                                            },
                                            {
                                                "text": "What perfusion or vessel observations are available, and how do their spatial and temporal limits affect interpretation?",
                                                "kind": "measurement",
                                                "id": "vascular-territory-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "lesions-and-deformation",
                                "name": "Lesions and deformation",
                                "description": "Location and extent of tissue changes, compression or displacement.",
                                "findings": [
                                    {
                                        "id": "abnormality-extent",
                                        "name": "Abnormality extent",
                                        "description": "Describes observed abnormalities without turning imaging appearance into an unverified diagnosis.",
                                        "questions": [
                                            {
                                                "text": "What abnormality is observed, and what are its dimensions, subdivision, laterality and relationship to named internal structures?",
                                                "kind": "measurement",
                                                "id": "abnormality-extent-q01"
                                            },
                                            {
                                                "text": "Does the abnormality originate within brain-stem tissue or reflect compression or extension from an adjacent structure?",
                                                "kind": "boundary",
                                                "id": "abnormality-extent-q02"
                                            },
                                            {
                                                "text": "What additional assessment is needed to resolve the abnormality's extent or significance?",
                                                "kind": "action",
                                                "id": "abnormality-extent-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "variation-and-observation-limits",
                        "name": "Variation and observation limits",
                        "description": "Developmental context, anatomical variation and reliability of brain-stem observations.",
                        "rationale": "A small, densely organised region requires explicit limits on what a reference or observation can establish.",
                        "layers": [
                            {
                                "id": "development-and-comparative-anatomy",
                                "name": "Development and comparative anatomy",
                                "description": "Applicability of reference anatomy across age, species and individual variation.",
                                "findings": [
                                    {
                                        "id": "reference-fit",
                                        "name": "Reference fit",
                                        "description": "Records whether the comparison reference matches the individual or specimen.",
                                        "questions": [
                                            {
                                                "text": "What species, age and developmental stage does the record describe?",
                                                "kind": "provenance",
                                                "id": "reference-fit-q01"
                                            },
                                            {
                                                "text": "Which reference supports distinguishing expected brain-stem variation from a developmental abnormality?",
                                                "kind": "provenance",
                                                "id": "reference-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "measurement-and-interpretation-confidence",
                                "name": "Measurement and interpretation confidence",
                                "description": "Method-specific visibility, artefacts and examination confounders.",
                                "findings": [
                                    {
                                        "id": "observation-confidence",
                                        "name": "Observation confidence",
                                        "description": "Preserves the distinction between an unobserved feature, an unresolved feature and a demonstrated absence.",
                                        "questions": [
                                            {
                                                "text": "Can the acquisition resolve the named nucleus, tract or lesion, and could motion, partial-volume effects or other artefacts alter its appearance?",
                                                "kind": "measurement",
                                                "id": "observation-confidence-q01"
                                            },
                                            {
                                                "text": "Which physiological or examination confounders limit interpretation, and which conclusions require specialist review?",
                                                "kind": "action",
                                                "id": "observation-confidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This description uses conventional adult human anatomy; comparative descriptions across vertebrates require species-specific checking.",
                                            "The midbrain, pons and medulla are constituent parts, not varieties of brain stem.",
                                            "Terminology and clinical examples are recalled knowledge, not claims verified against sources for this response."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Terminologia Anatomica",
                                                "value_or_pattern": "Truncus encephali",
                                                "note": "Latin anatomical term for the brain stem; 'brainstem' is an alternative English spelling."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Terminologia Anatomica, maintained by the Federative International Programme for Anatomical Terminology (FIPAT), standardizes anatomical naming."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Neurological examination uses cranial nerve findings and long-tract signs to help localize brain stem lesions.",
                                            "Neuroimaging evaluates its anatomy and abnormalities such as infarction, hemorrhage and tumors.",
                                            "Neurosurgical and radiotherapy planning accounts for its densely packed pathways and vital nuclei.",
                                            "Brain stem auditory evoked potentials assess conduction along auditory pathways through the brain stem."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Ischemic or hemorrhagic stroke can disrupt consciousness, breathing, swallowing and motor or sensory pathways.",
                                            "Compression from a mass or brain herniation can compromise vital functions.",
                                            "Traumatic injury can damage nuclei and connecting pathways.",
                                            "Tumors, inflammation or demyelination can produce cranial nerve deficits and long-tract dysfunction.",
                                            "Damage affecting swallowing and airway protection can cause aspiration."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "spinal cord",
                                                "difference": "The spinal cord continues caudally from the medulla and is outside the brain stem."
                                            },
                                            {
                                                "name": "cerebellum",
                                                "difference": "The cerebellum is connected to the brain stem by cerebellar peduncles but is not part of it."
                                            },
                                            {
                                                "name": "hindbrain",
                                                "difference": "The hindbrain includes the pons, medulla and cerebellum; the brain stem includes the midbrain, pons and medulla."
                                            },
                                            {
                                                "name": "diencephalon",
                                                "difference": "The diencephalon includes structures such as the thalamus and hypothalamus and is excluded from the usual modern definition of the brain stem."
                                            },
                                            {
                                                "name": "reticular formation",
                                                "difference": "The reticular formation is a distributed network within the brain stem, not the entire anatomical region."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of brain stem this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should this registry entry cover vertebrate brain stems generally, or should the initial publication explicitly limit its validated coverage to human anatomy?",
                "Which authoritative anatomical reference and boundary conventions should govern segmentation at the diencephalic and spinal transitions?",
                "What age-specific reference data and acquisition requirements support meaningful comparisons of brain-stem dimensions?",
                "Which nuclei and pathways can be represented reliably at each supported observation resolution, and which must remain atlas-based inferences?",
                "Which existing Vercy models own cranial nerves, neurological examination, vascular territories and disease entities so this model can link to them without duplication?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 16,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a brain stem, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to identify a brain stem, describe its anatomical and functional condition, and determine what further observation or specialist assessment is warranted.",
            "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: human brain stem.",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 59 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 brain stem, 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": [
                        "human brain stem"
                    ]
                }
            ],
            "standing": "Described in 59 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 brain stem from another, and a brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a brain stem, 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 brain stem, 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 brain stem 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 brain stem is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a brain stem, 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 brain stem, 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 brain stem 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 brain stem, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a brain stem 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 brain stem, 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 brain stem, 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 brain stem 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 brain stem 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 brain stem 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 brain stem, 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 brain stem 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 brain stem 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 brain stem 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 brain stem 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 brain stem 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 brain stem, 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 brain stem 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 brain stem and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a brain stem, 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 brain stem, 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 brain stem 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 brain stem is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a brain stem, 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 brain stem, 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 brain stem 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
            }
        }
    }
}