{
    "model": {
        "rank": 5568,
        "code": "thing-q278485",
        "model_id": "vr.tr.hashtag",
        "name": "hashtag",
        "purpose": "Enable an agent to recognise a hashtag, interpret its use in context, assess its discoverability and risks, and decide whether and how to use it.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q278485/",
        "tier": 2,
        "score": 66,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Fanart Hashtag"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 66,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q278485",
                "url": "https://www.wikidata.org/wiki/Q278485",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:40:04Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 19.8,
                        "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: 01a08853-1987-7532-971e-e13a88d9f39d\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: hashtag\nSense to describe: (none recorded)\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext for this batch of 188 things:\n# Batch 006: 1001 register",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 62.5,
                        "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: 01a08853-1983-7ef1-98f9-b6aaae1e888f\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: hashtag\nRegistry id: vr.tr.hashtag\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q278485",
                "registryId": "vr.tr.hashtag",
                "name": "hashtag",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q278485/",
            "model": {
                "registry_id": "vr.tr.hashtag",
                "name": "hashtag",
                "purpose": "Enable an agent to recognise a hashtag, interpret its use in context, assess its discoverability and risks, and decide whether and how to use it.",
                "definition": "A hashtag is a label formed by prefixing a word or character sequence with the hash sign (#), used in digital communication to mark a topic or association and, where supported, link content bearing that label.",
                "scope_statement": "This model owns the hash-prefixed tagging expression, its platform-scoped identity and behaviour, and the contextual evidence needed to interpret its occurrences; it distinguishes the hashtag from its topic, campaign, and containing content.",
                "in_scope": [
                    "Hashtag spelling, segmentation, variants, and platform-dependent recognition",
                    "Identity of a hashtag within a platform or indexing context",
                    "Meanings, referents, and communicative functions evidenced by usage",
                    "Connections between hashtag occurrences and searchable content collections",
                    "Observed adoption, discoverability, restrictions, and suitability for proposed use"
                ],
                "out_of_scope": [
                    "Complete posts, images, videos, and other content containing hashtags",
                    "The topics, events, movements, or campaigns referenced by hashtags",
                    "Accounts and organisations using or promoting hashtags",
                    "General platform search, recommendation, and moderation systems",
                    "General keyword taxonomies and tagging systems without hashtag-specific behaviour"
                ],
                "distinguishing_features": [
                    "A hashtag uses a leading hash sign as a tagging cue; a plain keyword or unmarked metadata label lacks that expression form.",
                    "A hash-prefixed string must be assessed in context: a heading marker, code token, or numeric notation is not automatically a hashtag.",
                    "An account mention addresses or identifies an account; a hashtag labels content or signals an association, even when both contain the same name.",
                    "The same hashtag spelling can carry different meanings across communities and periods, so it cannot identify a topic or campaign by spelling alone.",
                    "A hashtag expression and a platform-recognised hashtag are distinguishable: text may communicate a tag without being parsed, linked, or indexed."
                ],
                "characteristics": [
                    {
                        "name": "Surface expression",
                        "kind": "category",
                        "unit_or_values": "Exact displayed text, including hash sign, case, script, and character sequence",
                        "why_it_matters": "Preserves what was actually used before normalisation or interpretation."
                    },
                    {
                        "name": "Recognition context",
                        "kind": "relation",
                        "unit_or_values": "Platform, content surface, parser or interface, and observation date",
                        "why_it_matters": "Recognition and behaviour must be established for a specific environment."
                    },
                    {
                        "name": "Parsing state",
                        "kind": "state",
                        "unit_or_values": "Recognised in full; recognised in part; unrecognised; untested",
                        "why_it_matters": "Determines whether the intended expression functions as a platform tag."
                    },
                    {
                        "name": "Variant relationship",
                        "kind": "relation",
                        "unit_or_values": "Case variant; spelling variant; transliteration; visual confusable; verified platform-equivalent form; unresolved",
                        "why_it_matters": "Supports comparison without silently merging distinct strings or meanings."
                    },
                    {
                        "name": "Contextual referent",
                        "kind": "relation",
                        "unit_or_values": "Evidence-linked topic, entity, event, campaign, or unresolved referent within a community and time interval",
                        "why_it_matters": "Separates the tag from what a particular use refers to."
                    },
                    {
                        "name": "Communicative function",
                        "kind": "category",
                        "unit_or_values": "Topic label; participation marker; stance cue; humour or commentary; promotional cue; other; unresolved; multiple permitted",
                        "why_it_matters": "A use may communicate intent beyond content classification."
                    },
                    {
                        "name": "Observed occurrence volume",
                        "kind": "measurement",
                        "unit_or_values": "Count of defined occurrences or distinct content items within a stated source, interval, and deduplication method",
                        "why_it_matters": "Makes adoption estimates interpretable and prevents sampled counts from appearing exhaustive."
                    },
                    {
                        "name": "Discovery state",
                        "kind": "state",
                        "unit_or_values": "Searchable; linked but results unavailable; no discovery behaviour observed; restricted; unknown, with context and date",
                        "why_it_matters": "Indicates whether using the hashtag can support the intended retrieval task."
                    },
                    {
                        "name": "Use suitability",
                        "kind": "state",
                        "unit_or_values": "Supported for stated purpose; requires review; unsuitable for stated purpose; insufficient evidence",
                        "why_it_matters": "Connects contextual interpretation and restrictions to a concrete proposed action."
                    }
                ],
                "affordances": [
                    "Test whether an expression is recognised as the intended hashtag on a specified platform surface.",
                    "Compare variants while preserving exact spelling and evidence for equivalence.",
                    "Retrieve or inspect accessible tagged content to investigate meanings and usage.",
                    "Assess whether a proposed hashtag fits a message, audience, and communicative purpose.",
                    "Monitor changes in observed usage, meaning, and discoverability over a defined interval.",
                    "Recommend using, replacing, or omitting a hashtag with evidence and unresolved uncertainties."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "expression-and-recognition",
                        "name": "Expression and recognition",
                        "description": "Establishes what text constitutes the hashtag and how a particular environment recognises it.",
                        "rationale": "A visible hash-prefixed expression can differ from the token a platform actually treats as a hashtag.",
                        "layers": [
                            {
                                "id": "literal-form",
                                "name": "Literal form",
                                "description": "Records the exact expression and separates tagging syntax from unrelated uses of the hash sign.",
                                "findings": [
                                    {
                                        "id": "hashtag-expression-boundary",
                                        "name": "Hashtag expression boundary",
                                        "description": "Establish whether the expression functions as a tagging cue and where its intended text begins and ends.",
                                        "questions": [
                                            {
                                                "text": "What exact character sequence is presented as the hashtag, including case, script, and adjacent punctuation?",
                                                "kind": "definition",
                                                "id": "hashtag-expression-boundary-q01"
                                            },
                                            {
                                                "text": "What contextual evidence distinguishes this use from a heading marker, code token, or numeric notation?",
                                                "kind": "boundary",
                                                "id": "hashtag-expression-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "platform-parsing",
                                "name": "Platform parsing",
                                "description": "Examines recognition, token boundaries, and equivalence in the target environment.",
                                "findings": [
                                    {
                                        "id": "recognised-token",
                                        "name": "Recognised token",
                                        "description": "Record the recognised portion and test any assumed equivalence between variants.",
                                        "questions": [
                                            {
                                                "text": "On the target platform and content surface, is the entire intended expression recognised, only a prefix, or none of it?",
                                                "kind": "measurement",
                                                "id": "recognised-token-q01"
                                            },
                                            {
                                                "text": "Which case, Unicode, or spelling variants are demonstrably treated as the same tag, and which remain separate?",
                                                "kind": "boundary",
                                                "id": "recognised-token-q02"
                                            },
                                            {
                                                "text": "Which documentation or dated observation supports these parsing results?",
                                                "kind": "provenance",
                                                "id": "recognised-token-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "meaning-and-context",
                        "name": "Meaning and context",
                        "description": "Connects hashtag occurrences to contextual meanings and communicative purposes.",
                        "rationale": "Spelling alone does not establish a hashtag's referent, stance, or intended audience.",
                        "layers": [
                            {
                                "id": "referents-and-ambiguity",
                                "name": "Referents and ambiguity",
                                "description": "Distinguishes meanings associated with the same expression.",
                                "findings": [
                                    {
                                        "id": "contextual-meaning",
                                        "name": "Contextual meaning",
                                        "description": "Ground each proposed meaning in identifiable occurrences and a bounded usage context.",
                                        "questions": [
                                            {
                                                "text": "What does this hashtag refer to in the sampled occurrences, and which examples support that interpretation?",
                                                "kind": "definition",
                                                "id": "contextual-meaning-q01"
                                            },
                                            {
                                                "text": "Do different languages, communities, or periods use this spelling for unrelated or conflicting referents?",
                                                "kind": "boundary",
                                                "id": "contextual-meaning-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "communicative-role",
                                "name": "Communicative role",
                                "description": "Interprets what including the hashtag does within a message.",
                                "findings": [
                                    {
                                        "id": "use-function",
                                        "name": "Use function",
                                        "description": "Distinguish topical labelling from participation, stance, promotion, and expressive commentary.",
                                        "questions": [
                                            {
                                                "text": "Does this occurrence label a topic, signal participation or stance, add commentary, promote something, or perform several functions?",
                                                "kind": "definition",
                                                "id": "use-function-q01"
                                            },
                                            {
                                                "text": "What surrounding content is needed before an agent can interpret the hashtag without falsely attributing endorsement?",
                                                "kind": "boundary",
                                                "id": "use-function-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "discovery-and-content-association",
                        "name": "Discovery and content association",
                        "description": "Determines how hashtag use connects content to retrieval surfaces.",
                        "rationale": "An agent must distinguish the presence of a hashtag from evidence that content can actually be discovered through it.",
                        "layers": [
                            {
                                "id": "occurrence-placement",
                                "name": "Occurrence placement",
                                "description": "Locates the hashtag within content and establishes the effect of that placement.",
                                "findings": [
                                    {
                                        "id": "tagged-content-link",
                                        "name": "Tagged content link",
                                        "description": "Identify the containing item and assess whether the occurrence creates a discoverable association.",
                                        "questions": [
                                            {
                                                "text": "Does the hashtag occur in post text, a caption, a comment, profile text, image text, or another surface?",
                                                "kind": "provenance",
                                                "id": "tagged-content-link-q01"
                                            },
                                            {
                                                "text": "Does an occurrence on that surface associate the containing item with hashtag results, and what observation establishes this?",
                                                "kind": "measurement",
                                                "id": "tagged-content-link-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "retrieval-behaviour",
                                "name": "Retrieval behaviour",
                                "description": "Assesses the accessible result collection and its limits.",
                                "findings": [
                                    {
                                        "id": "hashtag-result-scope",
                                        "name": "Hashtag result scope",
                                        "description": "Describe what a hashtag query or link returns without treating results as a complete inventory.",
                                        "questions": [
                                            {
                                                "text": "What result surface does selecting or searching this hashtag open in the observed environment?",
                                                "kind": "action",
                                                "id": "hashtag-result-scope-q01"
                                            },
                                            {
                                                "text": "What evidence establishes the effects of ranking, account access, language, location, or time filters on the observed results?",
                                                "kind": "measurement",
                                                "id": "hashtag-result-scope-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "adoption-and-change",
                        "name": "Adoption and change",
                        "description": "Tracks evidence of emergence, circulation, and shifts in hashtag usage.",
                        "rationale": "Claims about origin, popularity, and changing meaning require different evidence and explicit observation limits.",
                        "layers": [
                            {
                                "id": "origin-and-promotion",
                                "name": "Origin and promotion",
                                "description": "Separates documented early use from claims of creation or official designation.",
                                "findings": [
                                    {
                                        "id": "attributed-origin",
                                        "name": "Attributed origin",
                                        "description": "Record supported origin and promotion claims without equating the earliest located occurrence with invention.",
                                        "questions": [
                                            {
                                                "text": "What is the earliest occurrence located in the investigated sources, and how limited is that search?",
                                                "kind": "provenance",
                                                "id": "attributed-origin-q01"
                                            },
                                            {
                                                "text": "Who claims to have coined or officially designated the hashtag, and what evidence supports the precise claim?",
                                                "kind": "provenance",
                                                "id": "attributed-origin-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "usage-trajectory",
                                "name": "Usage trajectory",
                                "description": "Measures bounded usage and investigates changes in meaning or participation.",
                                "findings": [
                                    {
                                        "id": "observed-adoption",
                                        "name": "Observed adoption",
                                        "description": "Make usage comparisons reproducible and distinguish measured change from collection artefacts.",
                                        "questions": [
                                            {
                                                "text": "What is counted: token occurrences, distinct posts, distinct accounts, or another unit, over which interval and source coverage?",
                                                "kind": "measurement",
                                                "id": "observed-adoption-q01"
                                            },
                                            {
                                                "text": "Do observed changes reflect new usage or meaning, repeated content, or changes in collection and platform visibility?",
                                                "kind": "measurement",
                                                "id": "observed-adoption-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-decisions-and-restrictions",
                        "name": "Use decisions and restrictions",
                        "description": "Evaluates the consequences and feasibility of using a hashtag for a stated purpose.",
                        "rationale": "A recognised and popular hashtag may still be contextually misleading or ineffective for a particular message.",
                        "layers": [
                            {
                                "id": "contextual-suitability",
                                "name": "Contextual suitability",
                                "description": "Checks intended association, audience interpretation, and readable presentation.",
                                "findings": [
                                    {
                                        "id": "proposed-use-fit",
                                        "name": "Proposed use fit",
                                        "description": "Assess a concrete proposed use against current contextual evidence.",
                                        "questions": [
                                            {
                                                "text": "Would adding this hashtag accurately associate the proposed content with the meanings and communities evidenced in current usage?",
                                                "kind": "action",
                                                "id": "proposed-use-fit-q01"
                                            },
                                            {
                                                "text": "Could the chosen wording or segmentation create an unintended reading, affiliation, or accessibility problem for the intended audience?",
                                                "kind": "boundary",
                                                "id": "proposed-use-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "restrictions-and-availability",
                                "name": "Restrictions and availability",
                                "description": "Establishes whether documented rules or observed limitations affect the intended hashtag action.",
                                "findings": [
                                    {
                                        "id": "effective-use-constraints",
                                        "name": "Effective use constraints",
                                        "description": "Separate evidence of a restriction from unexplained absence in results.",
                                        "questions": [
                                            {
                                                "text": "What dated platform notice, applicable rule, or reproducible observation establishes a restriction affecting this hashtag?",
                                                "kind": "provenance",
                                                "id": "effective-use-constraints-q01"
                                            },
                                            {
                                                "text": "Given the intended purpose and verified constraints, should the agent use this hashtag, select an alternative, omit it, or request review?",
                                                "kind": "action",
                                                "id": "effective-use-constraints-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": [
                                            "Allowed characters, case handling, length limits and indexing behavior require platform-specific verification.",
                                            "The kinds listed describe overlapping uses rather than a standardized taxonomy.",
                                            "No universal identifier registry or cross-platform measurement range is asserted."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of hashtag 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": [
                                            "Topic hashtags",
                                            "Event hashtags",
                                            "Campaign and branded hashtags",
                                            "Community hashtags",
                                            "Expressive or humorous hashtags"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of hashtag 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": "Platform-local hashtag notation",
                                                "value_or_pattern": "# followed by a platform-permitted character sequence",
                                                "note": "The label is not a globally unique identifier; its interpretation and retrieval scope depend on the platform and context."
                                            },
                                            {
                                                "scheme": "Unicode",
                                                "value_or_pattern": "U+0023 NUMBER SIGN",
                                                "note": "Identifies the usual prefix character, not an individual hashtag."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of hashtag 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": [
                                            "The Unicode Standard, maintained by the Unicode Consortium, encodes the characters used in hashtag text; it does not establish universal hashtag parsing or search behavior."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of hashtag 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": [
                                            "Grouping and discovering posts about a topic or event",
                                            "Coordinating campaigns, activism and community discussion",
                                            "Tracking public conversation around brands or issues",
                                            "Adding commentary, emphasis or humour to a post",
                                            "Labelling content for social-media analysis"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of hashtag 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": [
                                            "Unrelated communities or topics use the same label, making search results ambiguous.",
                                            "Spam and coordinated manipulation contaminate hashtag feeds.",
                                            "A campaign hashtag is appropriated for criticism or unrelated messaging.",
                                            "Spelling variants, script differences and platform parsing rules fragment retrieval.",
                                            "Hashtag counts are mistaken for representative public opinion despite sampling limits, repeated posts and automated activity."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of hashtag 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": [
                                            "Language, script and local usage affect hashtag spelling and meaning.",
                                            "Multilingual discussions may split across translated, transliterated and original-script labels."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of hashtag 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": "Tag",
                                                "difference": "A tag is any assigned label or metadata keyword; a hashtag specifically uses hash-prefixed notation in communicative text."
                                            },
                                            {
                                                "name": "Mention",
                                                "difference": "A mention addresses or references an account, commonly using @; a hashtag labels a topic or association."
                                            },
                                            {
                                                "name": "Keyword",
                                                "difference": "A keyword can be any significant or indexed term; a hashtag explicitly marks a label with #."
                                            },
                                            {
                                                "name": "Hash sign",
                                                "difference": "The hash sign is the character # itself; a hashtag combines that prefix with label text."
                                            },
                                            {
                                                "name": "Trending topic",
                                                "difference": "A trending topic is a subject identified as attracting attention; it may involve hashtags but need not be expressed as one."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of hashtag this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should registry identity treat the lexical hashtag as one thing with platform-specific realisations, or treat each platform tag as a distinct related entity?",
                "Which target platforms and content surfaces must be researched to establish parsing, normalisation, and indexing behaviour?",
                "What evidence threshold should support meaning assignments when usage is sparse, ironic, multilingual, or contested?",
                "How should adoption comparisons account for inaccessible content, repeated posts, and changing search coverage?",
                "What observation frequency is sufficient to keep suitability and restriction assessments current for rapidly changing hashtags?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 29
            }
        },
        "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. 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 hashtag, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise a hashtag, interpret its use in context, assess its discoverability and risks, and decide whether and how to use it.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted",
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Fanart Hashtag.",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 66 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 hashtag, 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.",
                "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": [
                "read it and act on what it says",
                "observe it, measure it, record its state"
            ],
            "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": [
                        "Fanart Hashtag"
                    ]
                }
            ],
            "standing": "Described in 66 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 hashtag from another, and a hashtag 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 hashtag, 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 hashtag, 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 hashtag 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 hashtag, 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 hashtag, 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 hashtag 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 hashtag 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 hashtag, 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 hashtag, 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 hashtag 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 hashtag from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a hashtag, 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 hashtag, 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 hashtag 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 hashtag 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 hashtag between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a hashtag, 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 hashtag, 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 hashtag 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 hashtag, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a hashtag 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 hashtag, 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 hashtag, 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 hashtag 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 hashtag 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 hashtag contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a hashtag, 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 hashtag, 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 hashtag 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 hashtag and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a hashtag, 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 hashtag, 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 hashtag 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 hashtag 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 hashtag, 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 hashtag 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 hashtag 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 hashtag, 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 hashtag, 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 hashtag 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 hashtag and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a hashtag, 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 hashtag, 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 hashtag 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 hashtag is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a hashtag, 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 hashtag, 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 hashtag 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
            }
        }
    }
}