{
    "model": {
        "rank": 6876,
        "code": "thing-notation",
        "model_id": "vr.tr.notation",
        "name": "notation",
        "purpose": "a technical system of symbols used to represent special things",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/notation/",
        "tier": 2,
        "score": 58,
        "payload": {
            "layer": "wordnet",
            "aliases": [
                "notational system",
                "mathematical notation",
                "numeration system",
                "number system",
                "number representation system",
                "system of numeration",
                "positional notation",
                "positional representation system",
                "binary notation",
                "binary numeration system",
                "pure binary numeration system",
                "binary number system",
                "binary system",
                "octal numeration system",
                "octal number system",
                "decimal notation",
                "octal notation",
                "algorism",
                "decimal numeration system",
                "decimal number system",
                "decimal system",
                "duodecimal notation",
                "duodecimal number system",
                "duodecimal system",
                "hexadecimal notation",
                "sexadecimal notation",
                "hexadecimal number system",
                "sexadecimal number system",
                "hexadecimal system",
                "decimal point",
                "percentage point",
                "point",
                "exponent",
                "power",
                "index",
                "logarithm",
                "log",
                "common logarithm",
                "natural logarithm",
                "Napierian logarithm"
            ],
            "aliasCount": 96,
            "merged": 58,
            "knownIn": 0,
            "facets": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert",
                "mobility": "not-applicable",
                "scale": "not-applicable",
                "affordances": [
                    "readable"
                ]
            },
            "markers": [],
            "lexicalClass": "noun.communication",
            "senseRank": 0,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "oewn:2024",
                "synset": "oewn-06821351-n",
                "ili": "i72271",
                "license": "CC BY 4.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:41:24Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 17.9,
                        "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: 01a0888b-50a8-7c90-a5cf-976763d5bdf5\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: notation\nSense to describe: a technical system of symbols used to represent special things\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext for this",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 58,
                        "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: 01a0888b-50b1-7712-bcb2-0741364e47e4\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: notation\nRegistry id: vr.tr.notation\nPlane / domain: INF / INF.MED\nRegistry definition: a technical system of symbols used to represent special thing"
                    }
                }
            },
            "metaModel": {
                "id": "THING-NOTATION",
                "registryId": "vr.tr.notation",
                "name": "notation",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/notation/",
            "model": {
                "registry_id": "vr.tr.notation",
                "name": "notation",
                "purpose": "Enable an agent to recognise a notation, interpret its symbols under the applicable conventions, assess ambiguity and compatibility, and decide whether to read, write, validate or translate an expression.",
                "definition": "A notation is a conventional system of symbols and rules for combining and interpreting them to represent objects, quantities, relations, operations, or other domain-specific content.",
                "scope_statement": "This model owns notation as a technical system of symbols and representational conventions, including its repertoire, composition rules, meanings, interpretation context and variants; musical notation is a narrower model that adds music-specific representational requirements.",
                "in_scope": [
                    "The specialised things, properties or relations the notation represents",
                    "Symbol repertoires and distinctions between symbols and their rendered forms",
                    "Rules for composing symbols through sequence, grouping, position or other meaningful presentation",
                    "Interpretation conventions, contextual dependencies and ambiguity",
                    "Notation variants, compatibility boundaries and translation limits"
                ],
                "out_of_scope": [
                    "The represented entities and their domain-specific behaviour",
                    "Individual works or expressions written using the notation",
                    "Physical inscriptions, files and other carriers of notated content",
                    "General-purpose writing systems except where their signs serve specialised notational roles",
                    "Music-specific constructs owned by the musical notation model",
                    "Editors, fonts, rendering engines and recognition tools as independently managed products"
                ],
                "distinguishing_features": [
                    "An instance qualifies as a notation when symbols have repeatable conventions for representing specialised referents; a decorative mark alone does not qualify.",
                    "A notated expression uses a notation but is not the symbol system itself: changing an expression's content need not change the notation.",
                    "A change of font or carrier preserves the notation when it preserves all meaningful distinctions; a change that alters those distinctions requires separate assessment.",
                    "An inventory of signs is insufficient to establish a notation unless their representational roles and applicable usage conventions can be identified.",
                    "Musical notation adds rules for representing musical content to this broader model; notation in general does not require pitch, duration or performance instructions."
                ],
                "characteristics": [
                    {
                        "name": "Representational domain",
                        "kind": "relation",
                        "unit_or_values": "Links to the kinds of entities, properties, operations or relations represented",
                        "why_it_matters": "Sets the limits within which an agent can interpret expressions."
                    },
                    {
                        "name": "Symbol repertoire policy",
                        "kind": "category",
                        "unit_or_values": "Closed repertoire; extensible by explicit rules; locally declared; mixed; unresolved",
                        "why_it_matters": "Determines whether an unfamiliar sign is invalid, an extension or a declaration-dependent symbol."
                    },
                    {
                        "name": "Meaning-bearing presentation",
                        "kind": "category",
                        "unit_or_values": "Multiple selections: order, grouping, position, shape, orientation, size, colour, connecting lines, other specified features",
                        "why_it_matters": "Identifies features that must survive rendering, transcription and conversion."
                    },
                    {
                        "name": "Rule explicitness",
                        "kind": "category",
                        "unit_or_values": "Explicitly specified; established by examples and practice; mixed; unresolved",
                        "why_it_matters": "Limits how confidently an agent can automate interpretation or validation."
                    },
                    {
                        "name": "Interpretation dependencies",
                        "kind": "relation",
                        "unit_or_values": "Required legends, declarations, surrounding expressions, domain conventions and variant identifiers",
                        "why_it_matters": "Makes missing context visible before an agent assigns meaning."
                    },
                    {
                        "name": "Ambiguity under declared context",
                        "kind": "state",
                        "unit_or_values": "Unique interpretation established; multiple interpretations identified; insufficient context; not assessed",
                        "why_it_matters": "Controls whether the agent can act on one reading or must preserve alternatives."
                    },
                    {
                        "name": "Notation variant",
                        "kind": "relation",
                        "unit_or_values": "Links to a named edition, dialect, institutional convention or documented local variant",
                        "why_it_matters": "Prevents rules from incompatible conventions being combined silently."
                    },
                    {
                        "name": "Translation fidelity",
                        "kind": "state",
                        "unit_or_values": "For a specified target and expression class: meaning preserved; conditionally preserved; lossy; unavailable; unassessed",
                        "why_it_matters": "Determines whether converted expressions remain suitable for their intended use."
                    }
                ],
                "affordances": [
                    "Identify candidate notations and variants from diagnostic symbols and arrangements.",
                    "Resolve symbol meanings using the applicable conventions and declarations.",
                    "Construct or validate expressions against the notation's documented rules.",
                    "Detect ambiguity, missing context and presentation changes that could alter meaning.",
                    "Translate expressions while recording unsupported constructs and lost distinctions.",
                    "Compare variants and determine whether an expression can be reused under another convention."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "representational-contract",
                        "name": "Representational contract",
                        "description": "Establishes what the notation represents and the conventions under which representation is meaningful.",
                        "rationale": "An agent needs to distinguish meaningful use of the notation from visually similar marks or uses outside its domain.",
                        "layers": [
                            {
                                "id": "domain-and-expressiveness",
                                "name": "Domain and expressiveness",
                                "description": "Identifies the representable content and the limits of the notation.",
                                "findings": [
                                    {
                                        "id": "representable-distinctions",
                                        "name": "Representable distinctions",
                                        "description": "Record which specialised entities and relationships can be expressed, including distinctions the notation cannot capture.",
                                        "questions": [
                                            {
                                                "text": "What kinds of things, properties and relationships does this notation represent?",
                                                "kind": "definition",
                                                "id": "representable-distinctions-q01"
                                            },
                                            {
                                                "text": "Which distinctions in the represented domain cannot be expressed without supplementary explanation?",
                                                "kind": "boundary",
                                                "id": "representable-distinctions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "convention-boundaries",
                                "name": "Convention boundaries",
                                "description": "Separates the shared notation from local usage and domain-specific specialisations.",
                                "findings": [
                                    {
                                        "id": "shared-and-specialised-rules",
                                        "name": "Shared and specialised rules",
                                        "description": "Record the evidence for a shared representational convention and identify additions belonging to a narrower notation model.",
                                        "questions": [
                                            {
                                                "text": "Which specification, reference or documented practice establishes the conventions used here?",
                                                "kind": "provenance",
                                                "id": "shared-and-specialised-rules-q01"
                                            },
                                            {
                                                "text": "Which rules belong to this notation generally, and which belong to a specialisation such as musical notation?",
                                                "kind": "boundary",
                                                "id": "shared-and-specialised-rules-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "symbols-and-presentation",
                        "name": "Symbols and presentation",
                        "description": "Describes the signs available and the presentation features that distinguish them.",
                        "rationale": "Notation can lose meaning when an agent confuses symbol identity with appearance or discards significant layout.",
                        "layers": [
                            {
                                "id": "symbol-repertoire",
                                "name": "Symbol repertoire",
                                "description": "Identifies symbols, permitted variants and mechanisms for introducing additional signs.",
                                "findings": [
                                    {
                                        "id": "symbol-identity-and-extension",
                                        "name": "Symbol identity and extension",
                                        "description": "Record how symbols are recognised, which alternate forms are equivalent and how new symbols become valid.",
                                        "questions": [
                                            {
                                                "text": "Which marks count as distinct symbols, and which rendered forms are accepted as the same symbol?",
                                                "kind": "definition",
                                                "id": "symbol-identity-and-extension-q01"
                                            },
                                            {
                                                "text": "How may a user introduce a new symbol, and what declaration or legend must accompany it?",
                                                "kind": "action",
                                                "id": "symbol-identity-and-extension-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "significant-presentation",
                                "name": "Significant presentation",
                                "description": "Identifies visual or spatial properties that participate in representation.",
                                "findings": [
                                    {
                                        "id": "presentation-invariants",
                                        "name": "Presentation invariants",
                                        "description": "Record which presentation changes preserve interpretation and which alter or obscure a meaningful distinction.",
                                        "questions": [
                                            {
                                                "text": "Which differences in position, orientation, size, colour, spacing or connectivity change interpretation?",
                                                "kind": "boundary",
                                                "id": "presentation-invariants-q01"
                                            },
                                            {
                                                "text": "What must an agent preserve when resizing, rendering or transcribing an expression?",
                                                "kind": "action",
                                                "id": "presentation-invariants-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "expression-composition",
                        "name": "Expression composition",
                        "description": "Captures the rules by which signs form recognisable notated expressions.",
                        "rationale": "Recognising individual signs is insufficient when grouping, arrangement or scope changes the expression they form.",
                        "layers": [
                            {
                                "id": "formation-rules",
                                "name": "Formation rules",
                                "description": "Describes permitted combinations and structural relationships.",
                                "findings": [
                                    {
                                        "id": "well-formed-expressions",
                                        "name": "Well-formed expressions",
                                        "description": "Record formation conventions, including sequence or spatial structure, without presuming that a complete formal grammar exists.",
                                        "questions": [
                                            {
                                                "text": "What rules or accepted examples determine whether a combination of symbols is well formed?",
                                                "kind": "definition",
                                                "id": "well-formed-expressions-q01"
                                            },
                                            {
                                                "text": "Which formation rules are explicitly documented, and which depend on practitioner judgement?",
                                                "kind": "provenance",
                                                "id": "well-formed-expressions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "grouping-and-scope",
                                "name": "Grouping and scope",
                                "description": "Explains how parts of an expression are associated and how far a sign's effect extends.",
                                "findings": [
                                    {
                                        "id": "structural-reading",
                                        "name": "Structural reading",
                                        "description": "Record applicable grouping, precedence, attachment, reading-order and scope conventions.",
                                        "questions": [
                                            {
                                                "text": "How are reading order, grouping, attachment and scope established where they apply?",
                                                "kind": "definition",
                                                "id": "structural-reading-q01"
                                            },
                                            {
                                                "text": "When more than one structural reading is possible, what evidence permits an agent to select one?",
                                                "kind": "action",
                                                "id": "structural-reading-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "meaning-and-interpretation",
                        "name": "Meaning and interpretation",
                        "description": "Relates notated forms to their referents and records the context needed to interpret them.",
                        "rationale": "A structurally valid expression may still be ambiguous, undefined or uninterpretable in its current context.",
                        "layers": [
                            {
                                "id": "semantic-conventions",
                                "name": "Semantic conventions",
                                "description": "Describes the interpretation of symbols and combinations.",
                                "findings": [
                                    {
                                        "id": "form-to-meaning-mapping",
                                        "name": "Form-to-meaning mapping",
                                        "description": "Record how symbol meanings and composition conventions determine interpretation, including overloaded and context-dependent uses.",
                                        "questions": [
                                            {
                                                "text": "How are meanings assigned to individual symbols and to their combinations?",
                                                "kind": "definition",
                                                "id": "form-to-meaning-mapping-q01"
                                            },
                                            {
                                                "text": "Under what conditions can the same symbol or arrangement carry different meanings?",
                                                "kind": "boundary",
                                                "id": "form-to-meaning-mapping-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "context-and-ambiguity",
                                "name": "Context and ambiguity",
                                "description": "Identifies interpretation dependencies and unresolved readings.",
                                "findings": [
                                    {
                                        "id": "interpretation-readiness",
                                        "name": "Interpretation readiness",
                                        "description": "Record required contextual information, remaining alternative readings and the basis for resolving them.",
                                        "questions": [
                                            {
                                                "text": "Which legends, declarations, surrounding expressions or domain assumptions are required to interpret this expression?",
                                                "kind": "definition",
                                                "id": "interpretation-readiness-q01"
                                            },
                                            {
                                                "text": "What missing information must an agent obtain before selecting a reading or acting on the expression?",
                                                "kind": "action",
                                                "id": "interpretation-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "variants-and-interchange",
                        "name": "Variants and interchange",
                        "description": "Tracks differences between conventions and the preservation of meaning across transformations.",
                        "rationale": "An expression may remain visually familiar while changing meaning across notation variants or conversion targets.",
                        "layers": [
                            {
                                "id": "variant-compatibility",
                                "name": "Variant compatibility",
                                "description": "Identifies applicable variants and the consequences of switching between them.",
                                "findings": [
                                    {
                                        "id": "convention-change-effects",
                                        "name": "Convention change effects",
                                        "description": "Record changes to symbol meanings, formation rules and accepted forms between documented variants.",
                                        "questions": [
                                            {
                                                "text": "Which evidence identifies the edition, dialect or local convention governing an expression?",
                                                "kind": "provenance",
                                                "id": "convention-change-effects-q01"
                                            },
                                            {
                                                "text": "Which expressions become invalid or acquire a different reading when moved to another variant?",
                                                "kind": "boundary",
                                                "id": "convention-change-effects-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "translation-and-transcription",
                                "name": "Translation and transcription",
                                "description": "Assesses preservation of notational distinctions when expressions are converted.",
                                "findings": [
                                    {
                                        "id": "conversion-fidelity",
                                        "name": "Conversion fidelity",
                                        "description": "Record mappings to other notations or encodings, their supported expression classes and any lost distinctions.",
                                        "questions": [
                                            {
                                                "text": "Which source distinctions have no equivalent in the proposed target notation or encoding?",
                                                "kind": "boundary",
                                                "id": "conversion-fidelity-q01"
                                            },
                                            {
                                                "text": "How should an agent verify that conversion preserves the intended interpretation and report any loss?",
                                                "kind": "action",
                                                "id": "conversion-fidelity-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 is recall-based coverage; no sources were consulted.",
                                            "The listed standards govern particular notations or symbol conventions, not notation as a universal category.",
                                            "There is no single general identifier scheme or measurement scale supplied here; identifiers, evaluation measures, and applicable standards depend on the specific notation."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of notation this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Mathematical notation",
                                            "Musical notation",
                                            "Chemical notation",
                                            "Logical notation",
                                            "Phonetic notation",
                                            "Engineering diagram notation"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of notation 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": [
                                            "ISO 80000 series, Quantities and units: specifies quantity and unit conventions, including symbols, with related parts issued by IEC.",
                                            "International Phonetic Alphabet, maintained by the International Phonetic Association: establishes symbols and conventions for phonetic transcription.",
                                            "Unified Modeling Language (UML), standardized by the Object Management Group: defines modeling constructs and their graphical notation.",
                                            "Business Process Model and Notation (BPMN), standardized by the Object Management Group: defines notation and semantics for business process models."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of notation 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": [
                                            "Expressing mathematical relationships, calculations, and proofs.",
                                            "Recording musical pitch, rhythm, and performance instructions.",
                                            "Representing chemical composition, molecular structure, and reactions.",
                                            "Transcribing speech sounds for linguistic analysis and language teaching.",
                                            "Communicating engineering designs, software models, and business processes."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of notation this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "A symbol has multiple meanings and its intended interpretation is not stated.",
                                            "Different communities use incompatible conventions for the same subject.",
                                            "Loss of typography, spatial arrangement, or diacritics changes meaning.",
                                            "Transcription or rendering errors substitute, omit, or obscure meaningful symbols.",
                                            "An expression follows the notation's formation rules but represents an incorrect domain claim."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of notation this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Decimal separators and digit-grouping conventions vary across locales and affect numerical notation.",
                                            "Musical pitch naming varies among letter-name and solfège traditions; German usage distinguishes H and B differently from English usage."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of notation 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": "musical notation",
                                                "difference": "A specialization of notation for representing musical content, with conventions for features such as pitch, duration, and performance."
                                            },
                                            {
                                                "name": "symbol",
                                                "difference": "A symbol is an individual representational element; a notation supplies a system of elements and conventions for using them."
                                            },
                                            {
                                                "name": "formal language",
                                                "difference": "A formal language specifies admissible expressions through explicit formation rules; a notation need not be fully formalized."
                                            },
                                            {
                                                "name": "character encoding",
                                                "difference": "A character encoding maps characters to machine representations; a notation governs their domain-specific representational use and may also depend on spatial layout."
                                            },
                                            {
                                                "name": "nomenclature",
                                                "difference": "Nomenclature governs names for entities; notation also represents relationships, operations, and structured expressions."
                                            },
                                            {
                                                "name": "inscription",
                                                "difference": "An inscription is a particular recorded instance; a notation is the conventional system that instance uses."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of notation this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which existing Vercy world model, if any, already owns notation and should be linked as the single source of truth?",
                "Where should the registry place the boundary between notation, a specialised symbolic language and a code whose primary purpose is encoding?",
                "Which researched examples establish whether the model needs explicit support for tactile or other nonvisual symbol systems?",
                "What evidence is sufficient to recognise a local convention as a notation variant rather than an isolated annotation practice?",
                "Which interpretation and compatibility requirements can musical notation inherit directly, and which require music-specific extensions?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "work, medium or creative form",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched.",
            "facetsInferred": false,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a notation, record what state it is in, and decide what may be done with it.",
            "whatItIs": "a technical system of symbols used to represent special things",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: notational system, mathematical notation, numeration system, number system, number representation system, system of numeration, positional notation, positional representation system, binary notation, binary numeration system, pure binary numeration system, binary number system.",
                "58 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a notation, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it."
            ],
            "whatCanBeDoneWithIt": [
                "read it and act on what it says"
            ],
            "howItIsRecognised": [
                "What is seen is a copy or a performance, not the work. Recognising the work means recognising the content through whatever is carrying it."
            ],
            "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": [
                        "notational system",
                        "mathematical notation",
                        "numeration system",
                        "number system",
                        "number representation system",
                        "system of numeration",
                        "positional notation",
                        "positional representation system",
                        "binary notation",
                        "binary numeration system",
                        "pure binary numeration system",
                        "binary number system"
                    ]
                }
            ],
            "standing": "58 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 notation from another, and a notation 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 notation, 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 notation, 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 notation 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 notation, 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 notation, 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 notation 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 notation 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 notation, 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 notation, 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 notation 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 notation from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a notation, 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 notation, 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 notation 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 notation 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 notation between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a notation, 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 notation, 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 notation 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 notation, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a notation 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 notation, 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 notation, 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 notation is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a notation says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a notation contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a notation, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a notation, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a notation is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a notation and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a notation, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a notation, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a notation is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "work-and-manifestation",
                        "name": "Work, version and copy",
                        "description": "Which level of notation a statement is about.",
                        "rationale": "The work, the edition, the file and the copy in hand are four things; rights and content attach to different ones.",
                        "layers": [
                            {
                                "id": "levels",
                                "name": "Levels of the thing",
                                "description": "Work, expression, manifestation and item, in plain terms.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs at each level",
                                        "description": "Which facts hold for the work and which only for one copy.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "For notation, which facts belong to the work itself, which to a version, and which to a single copy?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifier exists at each level, and which one is being cited?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "versions",
                                "name": "Versions, editions and variants",
                                "description": "How versions differ and which is canonical to whom.",
                                "findings": [
                                    {
                                        "id": "version-record",
                                        "name": "Versions and canonicity",
                                        "description": "Differences that matter and who calls one authoritative.",
                                        "questions": [
                                            {
                                                "id": "version-record-q01",
                                                "text": "Which versions or editions of notation exist, and how do they differ substantively?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "version-record-q02",
                                                "text": "Who treats which version as authoritative, and for what purpose?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authorship-and-rights",
                        "name": "Authorship, rights and permitted use",
                        "description": "Who made notation and what may be done with it.",
                        "rationale": "Rights are jurisdictional, time-limited and attached to a level, and an agent that ignores that will copy what it may not.",
                        "layers": [
                            {
                                "id": "authorship",
                                "name": "Authorship and contribution",
                                "description": "Who contributed what, and in what capacity.",
                                "findings": [
                                    {
                                        "id": "contribution-record",
                                        "name": "Contributors and roles",
                                        "description": "The people and bodies behind it, with their roles.",
                                        "questions": [
                                            {
                                                "id": "contribution-record-q01",
                                                "text": "Who authored or contributed to notation, in what roles, and how is that attested?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "contribution-record-q02",
                                                "text": "Where authorship is disputed or anonymous, what is recorded instead?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights",
                                "name": "Rights and permissions",
                                "description": "Which rights subsist, where, until when, and what they permit.",
                                "findings": [
                                    {
                                        "id": "rights-record",
                                        "name": "Rights, term and permitted acts",
                                        "description": "The regime in force and what it allows.",
                                        "questions": [
                                            {
                                                "id": "rights-record-q01",
                                                "text": "What rights subsist in notation, in which jurisdictions, and until when?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "rights-record-q02",
                                                "text": "Which acts are permitted without further permission, and which must an agent refuse?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a notation 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 notation and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a notation, 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 notation, 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 notation 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 notation is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a notation, 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 notation, 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 notation is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}