{ "model": { "rank": 11274, "code": "thing-q34336", "model_id": "vr.tr.diesel-locomotive", "name": "diesel locomotive", "purpose": "Let an agent identify a diesel locomotive by class, transmission and duty, relay specifications, operators, emissions and safety rules from official sources, and separate diesel locomotives from multiple units, electric locomotives and railcars.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q34336/", "tier": 2, "score": 42, "payload": { "layer": "wikidata", "aliases": [ "DRG V 3201", "Automotore", "DPL1", "SBB Tm III 901–924", "DB Class 715", "Soviet Railways МЭС", "British Rail Class 97/6", "DRG V 16 004", "ČD Class 799", "CS Class TA 436.05", "Siemens Vectron DE", "DVL 60", "TEM23", "MÁV M42", "Wehrmacht WR 360 C 14", "British Rail Class 01/5", "TGMK2", "FO HGm 4/4", "MG Hm 2/3", "Stadler HGm 2/2", "ÖBB 2085", "DB Class 399", "preserved diesel locomotive", "SŽ series 646", "RCT T68", "GM locomotives", "MTR CKD0A", "CZ Class 744.1", "Đuro Đaković series 743", "FP Ln.372", "2TE136", "China Railway DF11Z", "Taiwan Sugar Brookville locomotives", "Taiwan Sugar Skagit locomotives", "Taiwan Sugar Plymouth locomotives", "ZNTK Poznań 2WLs50", "Jenbacher Feldbahnlokomotiven", "LC 800", "FAUR L18H", "Victorian Railways C501" ], "aliasCount": 881, "merged": 883, "knownIn": 42, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q34336", "url": "https://www.wikidata.org/wiki/Q34336", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T20:13:51Z", "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-Q34336", "registryId": "vr.tr.diesel-locomotive", "name": "diesel locomotive", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q34336/", "model": { "registry_id": "vr.tr.diesel-locomotive", "name": "diesel locomotive", "purpose": "Let an agent identify a diesel locomotive by class, transmission and duty, relay specifications, operators, emissions and safety rules from official sources, and separate diesel locomotives from multiple units, electric locomotives and railcars.", "definition": "A railway locomotive whose prime mover is a diesel engine, with power transmitted to the wheels electrically through generators and traction motors, hydraulically through torque converters, or mechanically through gearboxes; diesel locomotives replaced steam on most non-electrified lines from the mid twentieth century and are built in classes for freight, passenger and shunting duties.", "what_it_is_for": "Hauling trains on non-electrified lines.", "affordances": [ "identify class, builder and transmission type", "relay power, weight and speed figures", "explain how the transmission works", "relay emissions and safety regulation" ], "distinguishing_features": [ "Diesel prime mover", "Electric, hydraulic or mechanical transmission", "Self-contained fuel supply", "Classes for freight, passenger and shunting" ], "appearance": "A locomotive with a diesel engine housed in a body or hood, exhaust on the roof, and cabs at one or both ends.", "visual_identification": [ "No pantograph or third rail shoe", "Engine compartment and roof exhaust", "Diesel multiple units carry passengers themselves and are a separate entry" ], "physical_properties": [ { "quantity": "power", "typical_range": "200-4500", "unit": "kW", "note": "from shunters to heavy freight units" }, { "quantity": "mass", "typical_range": "30-200", "unit": "tonnes", "note": "" }, { "quantity": "maximum speed", "typical_range": "30-200", "unit": "km/h", "note": "by duty" } ], "families_and_kinds": [ "diesel-electric locomotives", "diesel-hydraulic locomotives", "diesel-mechanical shunters", "road switchers and hood units", "streamlined passenger diesels", "national classes by operator" ], "related_models": [ { "relation": "is a kind of", "target": "locomotive", "why": "the general class" }, { "relation": "is powered by", "target": "diesel engine", "why": "the prime mover" }, { "relation": "is contrasted with", "target": "electric locomotive", "why": "draws power from the line" }, { "relation": "is confused with", "target": "diesel multiple unit", "why": "self-propelled passenger train" } ], "identifiers": [ { "scheme": "class and running number", "value_or_pattern": "operator scheme", "note": "" }, { "scheme": "UIC vehicle number", "value_or_pattern": "12 digits", "note": "in Europe" } ], "standards_and_regulation": [ "Emissions standards for non-road engines such as EU Stage V and US Tier 4", "Railway safety and vehicle authorisation rules", "EU technical specifications for interoperability", "Noise regulations" ], "failure_modes_and_hazards": [ "Engine and transmission failures", "Fires and fuel leaks", "Exhaust emissions and noise", "Confusing classes across operators" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "identify", "name": "Identify", "description": "Which locomotive.", "rationale": "Identity.", "layers": [ { "id": "class", "name": "Class", "description": "Class and builder.", "findings": [ { "id": "class-finding", "name": "Class", "description": "Class.", "questions": [ { "text": "Which class is this, who built it, and which operator runs it?", "kind": "definition" }, { "text": "Is the vehicle a locomotive, a multiple unit or a railcar?", "kind": "boundary" } ] } ] }, { "id": "spec", "name": "Specification", "description": "Specifications.", "findings": [ { "id": "spec-finding", "name": "Specification", "description": "Specification.", "questions": [ { "text": "What are the power, weight, speed, axle arrangement and fuel capacity?", "kind": "measurement" }, { "text": "Which official source gives them?", "kind": "provenance" } ] } ] } ] }, { "id": "work", "name": "Work", "description": "How it works.", "rationale": "Engineering.", "layers": [ { "id": "transmission", "name": "Transmission", "description": "Transmission.", "findings": [ { "id": "transmission-finding", "name": "Transmission", "description": "Transmission.", "questions": [ { "text": "How do electric, hydraulic and mechanical transmissions carry power to the wheels?", "kind": "definition" }, { "text": "Which entry fits traction motors?", "kind": "action" } ] } ] }, { "id": "operation", "name": "Operation", "description": "Operation.", "findings": [ { "id": "operation-finding", "name": "Operation", "description": "Operation.", "questions": [ { "text": "How is the locomotive driven, fuelled and maintained, in general terms?", "kind": "provenance" }, { "text": "Which entry fits railway operations?", "kind": "action" } ] } ] } ] }, { "id": "rules", "name": "Rules", "description": "Regulation and safety.", "rationale": "Regulation.", "layers": [ { "id": "emissions", "name": "Emissions", "description": "Emissions and noise.", "findings": [ { "id": "emissions-finding", "name": "Emissions", "description": "Emissions.", "questions": [ { "text": "Which emissions and noise standards apply to diesel locomotives?", "kind": "provenance" }, { "text": "Which entry fits emissions regulation?", "kind": "action" } ] } ] }, { "id": "safety", "name": "Safety", "description": "Safety.", "findings": [ { "id": "safety-finding", "name": "Safety", "description": "Safety.", "questions": [ { "text": "What safety rules and authorisation apply to the vehicle?", "kind": "provenance" }, { "text": "Which entry fits railway safety?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and future.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did diesel locomotives replace steam, and how did designs develop by region?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "future", "name": "Future", "description": "Alternatives.", "findings": [ { "id": "future-finding", "name": "Future", "description": "Future.", "questions": [ { "text": "How are battery, hydrogen and hybrid locomotives changing the picture, with claims attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should transmission types be separate entries?", "How should operator class lists be linked?", "The registry entry has merged aliases naming specific classes; 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": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a diesel locomotive, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent identify a diesel locomotive by class, transmission and duty, relay specifications, operators, emissions and safety rules from official sources, and separate diesel locomotives from multiple units, electric locomotives and railcars.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: DRG V 3201, Automotore, DPL1, SBB Tm III 901–924, DB Class 715, Soviet Railways МЭС, British Rail Class 97/6, DRG V 16 004, ČD Class 799, CS Class TA 436.05, Siemens Vectron DE, DVL 60.", "883 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 42 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 diesel locomotive, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "DRG V 3201", "Automotore", "DPL1", "SBB Tm III 901–924", "DB Class 715", "Soviet Railways МЭС", "British Rail Class 97/6", "DRG V 16 004", "ČD Class 799", "CS Class TA 436.05", "Siemens Vectron DE", "DVL 60" ] } ], "standing": "Described in 42 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 883 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 diesel locomotive from another, and a diesel locomotive 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 diesel locomotive, 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 diesel locomotive, 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 diesel locomotive 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 diesel locomotive, 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 diesel locomotive, 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 diesel locomotive 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 diesel locomotive 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 diesel locomotive, 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 diesel locomotive, 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 diesel locomotive 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 diesel locomotive from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a diesel locomotive, 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 diesel locomotive, 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 diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a diesel locomotive is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a diesel locomotive, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a diesel locomotive, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a diesel locomotive is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a diesel locomotive, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a diesel locomotive, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a diesel locomotive is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a diesel locomotive, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a diesel locomotive, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a diesel locomotive is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a diesel locomotive is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a diesel locomotive, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a diesel locomotive, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a diesel locomotive is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a diesel locomotive, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a diesel locomotive, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a diesel locomotive 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 diesel locomotive 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 diesel locomotive between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a diesel locomotive, 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 diesel locomotive, 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 diesel locomotive 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 diesel locomotive, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a diesel locomotive 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 diesel locomotive, 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 diesel locomotive, 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 diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What diesel locomotive is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does diesel locomotive perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise diesel locomotive, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How diesel locomotive is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does diesel locomotive have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does diesel locomotive need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about diesel locomotive is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about diesel locomotive hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern diesel locomotive, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a diesel locomotive 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 diesel locomotive and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a diesel locomotive, 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 diesel locomotive, 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 diesel locomotive 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 diesel locomotive is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a diesel locomotive, 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 diesel locomotive, 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 diesel locomotive is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }