{
    "model": {
        "rank": 6636,
        "code": "thing-q465352",
        "model_id": "vr.tr.history-of-technology",
        "name": "history of technology",
        "purpose": "Let an agent describe the history of technology as a field, relay periodisations, major developments and interpretations with attribution to historians, distinguish it from the history of science and from technology itself, and point to museums, archives and references.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.KNW",
        "industry": "",
        "version": "",
        "url": "/models/thing/q465352/",
        "tier": 2,
        "score": 59,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "industrial history",
                "history of agricultural science",
                "history of communication",
                "history of chromatography",
                "history of aluminium",
                "History of industry in Saudi Arabia",
                "history of organized labor",
                "history of mining",
                "industrial history of Ukraine",
                "history of metallurgy",
                "history of software engineering",
                "history of discoveries and inventions",
                "history of technology in Ukraine",
                "history of film technology",
                "history of computing",
                "history of watches",
                "history of nanotechnology",
                "history of transport",
                "history of aviation",
                "history of display technology",
                "history of CAD software",
                "History of communication by presidents of the United States",
                "history of nickel production",
                "history of tin production",
                "history of copper production",
                "history of gold",
                "history of silver mining",
                "history of computing in Romania",
                "history of software",
                "history of computing hardware from 1960s to present",
                "history of computer viruses",
                "history of computing in South America",
                "history of computing in Poland",
                "History of transport in Saudi Arabia",
                "history of rail transport in Catalonia",
                "history of trams",
                "history of rapid transit",
                "history of road transport",
                "History of Los Angeles Metro Rail and Busway",
                "history of aviation in Canada"
            ],
            "aliasCount": 50,
            "merged": 50,
            "knownIn": 59,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q465352",
                "url": "https://www.wikidata.org/wiki/Q465352",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-12T19:59:28Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 3,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q465352",
                "registryId": "vr.tr.history-of-technology",
                "name": "history of technology",
                "version": "0.2.0-wave.3",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.KNW"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q465352/",
            "model": {
                "registry_id": "vr.tr.history-of-technology",
                "name": "history of technology",
                "purpose": "Let an agent describe the history of technology as a field, relay periodisations, major developments and interpretations with attribution to historians, distinguish it from the history of science and from technology itself, and point to museums, archives and references.",
                "definition": "The study of how tools, techniques, machines, materials and technical systems developed over time, from stone tools and agriculture through metallurgy, printing and industrialisation to electronics and computing, and of how technologies relate to societies, economies and knowledge; a field of history with its own journals, museums and methods.",
                "what_it_is_for": "Understanding how technologies developed and shaped societies.",
                "affordances": [
                    "outline periods and major developments",
                    "relay interpretations with attribution",
                    "distinguish from history of science and from technology itself",
                    "point to museums, archives and references"
                ],
                "distinguishing_features": [
                    "Historical discipline",
                    "Covers artefacts, techniques and systems",
                    "Attends to social and economic context",
                    "Debates over determinism and diffusion"
                ],
                "appearance": "Not visible; found in books, journals, museums and artefacts.",
                "visual_identification": [
                    "Historical study of technologies and their contexts",
                    "Field with societies, journals and museums",
                    "The history of science and individual technologies are separate entries"
                ],
                "physical_properties": [],
                "families_and_kinds": [
                    "history by period: prehistoric, ancient, medieval, early modern, industrial, modern",
                    "history by domain: agriculture, communication, transport, computing, materials",
                    "industrial history and business history",
                    "history of engineering",
                    "national and regional histories of technology"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "history of science and technology",
                        "why": "the wider field"
                    },
                    {
                        "relation": "is contrasted with",
                        "target": "history of science",
                        "why": "a related but distinct field"
                    },
                    {
                        "relation": "studies",
                        "target": "technology",
                        "why": "the subject"
                    },
                    {
                        "relation": "is related to",
                        "target": "economic history",
                        "why": "a neighbouring field"
                    }
                ],
                "identifiers": [],
                "standards_and_regulation": [
                    "No regulation; scholarly standards of history and heritage bodies"
                ],
                "failure_modes_and_hazards": [
                    "Whig narratives of inevitable progress",
                    "Attributing inventions to single heroes",
                    "Ignoring non-Western technologies",
                    "Confusing the field with technology itself"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "field",
                        "name": "Field",
                        "description": "What the field is.",
                        "rationale": "Definition.",
                        "layers": [
                            {
                                "id": "scope",
                                "name": "Scope",
                                "description": "Scope and methods.",
                                "findings": [
                                    {
                                        "id": "scope-finding",
                                        "name": "Scope",
                                        "description": "Scope.",
                                        "questions": [
                                            {
                                                "text": "What does the history of technology study, and with which methods and sources?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Is the question about the history of technology, the history of science or a technology itself?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "institutions",
                                "name": "Institutions",
                                "description": "Societies and journals.",
                                "findings": [
                                    {
                                        "id": "institutions-finding",
                                        "name": "Institutions",
                                        "description": "Institutions.",
                                        "questions": [
                                            {
                                                "text": "Which societies, journals and museums define the field?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits a specific museum?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "narrative",
                        "name": "Narrative",
                        "description": "Periods and developments.",
                        "rationale": "Content.",
                        "layers": [
                            {
                                "id": "periods",
                                "name": "Periods",
                                "description": "Periodisation.",
                                "findings": [
                                    {
                                        "id": "periods-finding",
                                        "name": "Periods",
                                        "description": "Periods.",
                                        "questions": [
                                            {
                                                "text": "What are the main periods and turning points, and how do historians divide them?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits a specific period or technology?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "developments",
                                "name": "Developments",
                                "description": "Major developments.",
                                "findings": [
                                    {
                                        "id": "developments-finding",
                                        "name": "Developments",
                                        "description": "Developments.",
                                        "questions": [
                                            {
                                                "text": "What are the major developments in a given domain, with dates and sources?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which references are standard?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "interpret",
                        "name": "Interpret",
                        "description": "Interpretations.",
                        "rationale": "Attribution.",
                        "layers": [
                            {
                                "id": "debates",
                                "name": "Debates",
                                "description": "Historiographical debates.",
                                "findings": [
                                    {
                                        "id": "debates-finding",
                                        "name": "Debates",
                                        "description": "Debates.",
                                        "questions": [
                                            {
                                                "text": "What debates exist on determinism, diffusion, innovation and social shaping, with positions attributed?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is the presentation neutral?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "global",
                                "name": "Global",
                                "description": "Global perspectives.",
                                "findings": [
                                    {
                                        "id": "global-finding",
                                        "name": "Global",
                                        "description": "Global.",
                                        "questions": [
                                            {
                                                "text": "How do global and non-Western perspectives change the narrative?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is the presentation free of Eurocentric framing?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "resources",
                        "name": "Resources",
                        "description": "Sources and teaching.",
                        "rationale": "Resources.",
                        "layers": [
                            {
                                "id": "sources",
                                "name": "Sources",
                                "description": "Archives and artefacts.",
                                "findings": [
                                    {
                                        "id": "sources-finding",
                                        "name": "Sources",
                                        "description": "Sources.",
                                        "questions": [
                                            {
                                                "text": "Where are primary sources, artefacts and archives found?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits industrial heritage?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "teach",
                                "name": "Teach",
                                "description": "Teaching.",
                                "findings": [
                                    {
                                        "id": "teach-finding",
                                        "name": "Teach",
                                        "description": "Teaching.",
                                        "questions": [
                                            {
                                                "text": "How is the history of technology taught, and which texts are standard?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which misconceptions arise?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should histories of specific technologies be separate entries?",
                "How should museums and archives be linked?",
                "The registry entry has merged aliases for histories of specific materials and regions; should they be split off?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "discipline or field of knowledge",
            "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 history of technology, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent describe the history of technology as a field, relay periodisations, major developments and interpretations with attribution to historians, distinguish it from the history of science and from technology itself, and point to museums, archives and references.",
            "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: industrial history, history of agricultural science, history of communication, history of chromatography, history of aluminium, History of industry in Saudi Arabia, history of organized labor, history of mining, industrial history of Ukraine, history of metallurgy, history of software engineering, history of discoveries and inventions.",
                "50 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 59 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a history of technology, 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"
            ],
            "howItIsRecognised": [],
            "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": [
                        "industrial history",
                        "history of agricultural science",
                        "history of communication",
                        "history of chromatography",
                        "history of aluminium",
                        "History of industry in Saudi Arabia",
                        "history of organized labor",
                        "history of mining",
                        "industrial history of Ukraine",
                        "history of metallurgy",
                        "history of software engineering",
                        "history of discoveries and inventions"
                    ]
                }
            ],
            "standing": "Described in 59 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 50 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 history of technology from another, and a history of technology 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 history of technology, 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 history of technology, 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 history of technology 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 history of technology, 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 history of technology, 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 history of technology 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 history of technology 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 history of technology, 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 history of technology, 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 history of technology 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 history of technology from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a history of technology, 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 history of technology, 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 history of technology 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 history of technology 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 history of technology between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a history of technology, 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 history of technology, 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 history of technology 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 history of technology, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a history of technology 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 history of technology, 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 history of technology, 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 history of technology 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 history of technology 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 history of technology contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a history of technology, 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 history of technology, 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 history of technology 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 history of technology and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a history of technology, 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 history of technology, 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 history of technology is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "subject-and-method",
                        "name": "Subject matter and method",
                        "description": "What history of technology studies and how it establishes anything.",
                        "rationale": "A field is identified by its questions and its methods, and those are what distinguish it from the fields next to it.",
                        "layers": [
                            {
                                "id": "subject",
                                "name": "Subject matter",
                                "description": "The questions it takes as its own.",
                                "findings": [
                                    {
                                        "id": "subject-record",
                                        "name": "Questions and objects of study",
                                        "description": "What it is about, stated so a neighbouring field can be told apart.",
                                        "questions": [
                                            {
                                                "id": "subject-record-q01",
                                                "text": "What questions and objects does history of technology take as its own?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "subject-record-q02",
                                                "text": "Which questions does it share with a neighbouring field, and who claims them?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "method",
                                "name": "Method and evidence",
                                "description": "How claims are established and what counts as evidence.",
                                "findings": [
                                    {
                                        "id": "method-record",
                                        "name": "Methods and standards of evidence",
                                        "description": "The methods used and what they are taken to establish.",
                                        "questions": [
                                            {
                                                "id": "method-record-q01",
                                                "text": "By what methods does history of technology establish claims, and what counts as sufficient evidence?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "method-record-q02",
                                                "text": "What kind of claim can this field not settle, and where should an agent look instead?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "institutions-and-classification",
                        "name": "Institutions and classification",
                        "description": "Where history of technology is practised and how catalogues place it.",
                        "rationale": "The institutional footprint is the evidence that a field exists as a field rather than as a topic.",
                        "layers": [
                            {
                                "id": "institutions",
                                "name": "Institutional markers",
                                "description": "Societies, journals, degrees and departments.",
                                "findings": [
                                    {
                                        "id": "institution-record",
                                        "name": "Bodies and venues",
                                        "description": "Where the field organises itself.",
                                        "questions": [
                                            {
                                                "id": "institution-record-q01",
                                                "text": "Which societies, journals or degrees mark history of technology as an established field?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "institution-record-q02",
                                                "text": "What would show that it is emerging or dissolving rather than established?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification",
                                "name": "Classification schemes",
                                "description": "Where library and research classifications put it.",
                                "findings": [
                                    {
                                        "id": "classification-record",
                                        "name": "Codes and their disagreements",
                                        "description": "The classification codes that place it, and where they differ.",
                                        "questions": [
                                            {
                                                "id": "classification-record-q01",
                                                "text": "Which classification schemes place history of technology, under what codes?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "classification-record-q02",
                                                "text": "Where do those schemes disagree about its scope?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a history of technology 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 history of technology and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a history of technology, 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 history of technology, 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 history of technology 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 history of technology is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a history of technology, 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 history of technology, 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 history of technology 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
            }
        }
    }
}