{
    "model": {
        "rank": 15755,
        "code": "thing-q80097",
        "model_id": "vr.tr.electrochemical-cell",
        "name": "electrochemical cell",
        "purpose": "Let an agent explain how an electrochemical cell works, distinguish galvanic from electrolytic cells and cells from batteries, relay cell potentials and standard conditions from reference data, and route laboratory and industrial safety questions to standards.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.PRC",
        "industry": "",
        "version": "",
        "url": "/models/thing/q80097/",
        "tier": 2,
        "score": 33,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "wet cell",
                "Electrochemical integrator",
                "electrolytic cell",
                "metal–air electrochemical cell",
                "Silicon–air battery"
            ],
            "aliasCount": 5,
            "merged": 5,
            "knownIn": 33,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q80097",
                "url": "https://www.wikidata.org/wiki/Q80097",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-12T19:44:28Z",
                "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-Q80097",
                "registryId": "vr.tr.electrochemical-cell",
                "name": "electrochemical cell",
                "version": "0.2.0-wave.3",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.PRC"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q80097/",
            "model": {
                "registry_id": "vr.tr.electrochemical-cell",
                "name": "electrochemical cell",
                "purpose": "Let an agent explain how an electrochemical cell works, distinguish galvanic from electrolytic cells and cells from batteries, relay cell potentials and standard conditions from reference data, and route laboratory and industrial safety questions to standards.",
                "definition": "A device in which chemical reactions at two electrodes in contact with an electrolyte either produce an electric current, as in a galvanic or voltaic cell, or are driven by an applied current, as in an electrolytic cell; cells are the units of batteries, fuel cells and electrolysers and the basis of corrosion and electroplating.",
                "what_it_is_for": "Converting between chemical and electrical energy.",
                "affordances": [
                    "explain the parts and working of a cell",
                    "distinguish galvanic, electrolytic and fuel cells",
                    "relay standard potentials and conditions",
                    "explain applications from batteries to electroplating"
                ],
                "distinguishing_features": [
                    "Two electrodes and an electrolyte",
                    "Galvanic versus electrolytic operation",
                    "Potential set by the half-reactions",
                    "Unit of batteries and fuel cells"
                ],
                "appearance": "Two electrodes in an electrolyte, joined by an external circuit; in practice a sealed can, pouch or laboratory beaker with a salt bridge.",
                "visual_identification": [
                    "Anode, cathode, electrolyte and external circuit",
                    "Produces current spontaneously, or consumes it when driven",
                    "A battery is a pack of cells; a capacitor stores charge without reaction"
                ],
                "physical_properties": [
                    {
                        "quantity": "cell potential",
                        "typical_range": "0.5-4",
                        "unit": "V",
                        "note": "by chemistry"
                    },
                    {
                        "quantity": "standard conditions",
                        "typical_range": "25 degrees C, 1 bar, 1 mol per litre",
                        "unit": "conditions",
                        "note": "for standard potentials"
                    }
                ],
                "families_and_kinds": [
                    "galvanic or voltaic cells",
                    "electrolytic cells",
                    "fuel cells",
                    "concentration cells",
                    "metal-air cells",
                    "wet and dry cells as historical types"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "electrochemical device",
                        "why": "the category"
                    },
                    {
                        "relation": "is part of",
                        "target": "battery",
                        "why": "batteries are packs of cells"
                    },
                    {
                        "relation": "is described by",
                        "target": "redox reaction",
                        "why": "the chemistry inside"
                    },
                    {
                        "relation": "is confused with",
                        "target": "capacitor",
                        "why": "stores charge without a chemical reaction"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "standard electrode potential",
                        "value_or_pattern": "volts versus the standard hydrogen electrode",
                        "note": "from reference tables"
                    },
                    {
                        "scheme": "cell notation",
                        "value_or_pattern": "anode | electrolyte || electrolyte | cathode",
                        "note": "IUPAC convention"
                    }
                ],
                "standards_and_regulation": [
                    "IUPAC conventions for electrochemistry",
                    "IEC standards for cells and batteries",
                    "Laboratory and industrial safety rules for electrolytes and gases"
                ],
                "failure_modes_and_hazards": [
                    "Gas evolution and explosion risk in electrolysis",
                    "Corrosive electrolytes",
                    "Short circuits and heating",
                    "Confusing cell with battery in specifications"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "principle",
                        "name": "Principle",
                        "description": "How a cell works.",
                        "rationale": "Chemistry to electricity.",
                        "layers": [
                            {
                                "id": "parts",
                                "name": "Parts",
                                "description": "Components.",
                                "findings": [
                                    {
                                        "id": "parts-finding",
                                        "name": "Parts",
                                        "description": "Parts.",
                                        "questions": [
                                            {
                                                "text": "What are the electrodes, electrolyte and circuit, and what happens at each electrode?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Is the device a cell, a battery, a fuel cell or a capacitor?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "types",
                                "name": "Types",
                                "description": "Galvanic and electrolytic.",
                                "findings": [
                                    {
                                        "id": "types-finding",
                                        "name": "Types",
                                        "description": "Types.",
                                        "questions": [
                                            {
                                                "text": "How do galvanic and electrolytic cells differ in direction and purpose?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which entry fits electrolysis?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "measure",
                        "name": "Measure",
                        "description": "Potentials and performance.",
                        "rationale": "Numbers.",
                        "layers": [
                            {
                                "id": "potential",
                                "name": "Potential",
                                "description": "Cell potential.",
                                "findings": [
                                    {
                                        "id": "potential-finding",
                                        "name": "Potential",
                                        "description": "Potential.",
                                        "questions": [
                                            {
                                                "text": "How is cell potential calculated from standard potentials and the Nernst equation?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "text": "Which reference tables are standard?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "performance",
                                "name": "Performance",
                                "description": "Efficiency and losses.",
                                "findings": [
                                    {
                                        "id": "performance-finding",
                                        "name": "Performance",
                                        "description": "Performance.",
                                        "questions": [
                                            {
                                                "text": "What limits current and efficiency, such as overpotential and resistance?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "text": "How are these measured?",
                                                "kind": "measurement"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "apply",
                        "name": "Apply",
                        "description": "Applications.",
                        "rationale": "Uses.",
                        "layers": [
                            {
                                "id": "energy",
                                "name": "Energy",
                                "description": "Batteries and fuel cells.",
                                "findings": [
                                    {
                                        "id": "energy-finding",
                                        "name": "Energy",
                                        "description": "Energy.",
                                        "questions": [
                                            {
                                                "text": "How are cells combined into batteries and fuel cells?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits battery?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "process",
                                "name": "Process",
                                "description": "Electrolysis and plating.",
                                "findings": [
                                    {
                                        "id": "process-finding",
                                        "name": "Process",
                                        "description": "Process.",
                                        "questions": [
                                            {
                                                "text": "How are electrolytic cells used in plating, refining and hydrogen production?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits electroplating?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "safety",
                        "name": "Safety and study",
                        "description": "Safety and learning.",
                        "rationale": "Care.",
                        "layers": [
                            {
                                "id": "safety",
                                "name": "Safety",
                                "description": "Hazards.",
                                "findings": [
                                    {
                                        "id": "safety-finding",
                                        "name": "Safety",
                                        "description": "Safety.",
                                        "questions": [
                                            {
                                                "text": "What hazards arise from electrolytes, gases and short circuits, and what rules apply?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is the question about a specific laboratory, which needs its safety officer?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "learn",
                                "name": "Learn",
                                "description": "Teaching.",
                                "findings": [
                                    {
                                        "id": "learn-finding",
                                        "name": "Learn",
                                        "description": "Learn.",
                                        "questions": [
                                            {
                                                "text": "How are electrochemical cells taught, and which references are standard?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "How did the cell develop from Volta and Daniell to modern designs?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should galvanic and electrolytic cells be separate entries?",
                "How should potential tables be linked?",
                "The registry entry has merged aliases naming specific cell types; 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": "abstract concept",
            "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 electrochemical cell, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent explain how an electrochemical cell works, distinguish galvanic from electrolytic cells and cells from batteries, relay cell potentials and standard conditions from reference data, and route laboratory and industrial safety questions to standards.",
            "characteristics": {
                "substance": "activity",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: wet cell, Electrochemical integrator, electrolytic cell, metal–air electrochemical cell, Silicon–air battery.",
                "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 33 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 electrochemical cell, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "something that happens over time",
            "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": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about."
            ],
            "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": [
                        "wet cell",
                        "Electrochemical integrator",
                        "electrolytic cell",
                        "metal–air electrochemical cell",
                        "Silicon–air battery"
                    ]
                }
            ],
            "standing": "Described in 33 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 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 electrochemical cell from another, and a electrochemical cell 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 electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell 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 electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell 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 electrochemical cell between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a electrochemical cell 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 electrochemical cell, 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 electrochemical cell, 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 electrochemical cell is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "process-and-outcome",
                        "name": "Process, inputs and outcome",
                        "description": "How a electrochemical cell proceeds, what it needs and what it leaves behind.",
                        "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.",
                        "layers": [
                            {
                                "id": "steps-and-sequence",
                                "name": "Steps and sequence",
                                "description": "The steps of a electrochemical cell, their order and what may run in parallel.",
                                "findings": [
                                    {
                                        "id": "steps-and-preconditions",
                                        "name": "Steps, preconditions and completion",
                                        "description": "What has to be true before each step of a electrochemical cell and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a electrochemical cell, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "steps-and-preconditions-q02",
                                                "text": "Who or what asserted this about a step of a electrochemical cell, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "steps-and-preconditions-q03",
                                                "text": "What may an agent decide or do once a step of a electrochemical cell is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "inputs-and-results",
                                "name": "Inputs, resources and results",
                                "description": "What a electrochemical cell consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a electrochemical cell takes and the results it leaves, wanted or not.",
                                        "questions": [
                                            {
                                                "id": "inputs-and-outputs-q01",
                                                "text": "What identifies and describes the inputs and results of a electrochemical cell, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "inputs-and-outputs-q02",
                                                "text": "Who or what asserted this about the inputs and results of a electrochemical cell, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "inputs-and-outputs-q03",
                                                "text": "What may an agent decide or do once the inputs and results of a electrochemical cell is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "definitions-in-contest",
                        "name": "Definitions and who holds them",
                        "description": "What electrochemical cell is taken to mean, and by whom.",
                        "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.",
                        "layers": [
                            {
                                "id": "competing-definitions",
                                "name": "Competing definitions",
                                "description": "The main readings and the traditions behind them.",
                                "findings": [
                                    {
                                        "id": "definition-map",
                                        "name": "Definitions and their holders",
                                        "description": "Each definition with the school or body that holds it.",
                                        "questions": [
                                            {
                                                "id": "definition-map-q01",
                                                "text": "Which definitions of electrochemical cell are in use, and which tradition or body holds each?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "definition-map-q02",
                                                "text": "What turns on the difference between them in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operationalisation",
                                "name": "Operationalisation",
                                "description": "How it is measured or applied when it has to be.",
                                "findings": [
                                    {
                                        "id": "operational-record",
                                        "name": "Measures and proxies",
                                        "description": "Instruments and indicators used to stand in for it.",
                                        "questions": [
                                            {
                                                "id": "operational-record-q01",
                                                "text": "How is electrochemical cell operationalised or measured in practice, and by what instrument?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "operational-record-q02",
                                                "text": "What does that operationalisation leave out, and when does that matter?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "instances-and-use",
                        "name": "Instances, use and consequence",
                        "description": "What counts as an instance of electrochemical cell and what follows from calling something that.",
                        "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.",
                        "layers": [
                            {
                                "id": "instances",
                                "name": "What counts as an instance",
                                "description": "Clear cases, borderline cases and non-cases.",
                                "findings": [
                                    {
                                        "id": "instance-tests",
                                        "name": "Tests for an instance",
                                        "description": "What would settle whether something falls under it.",
                                        "questions": [
                                            {
                                                "id": "instance-tests-q01",
                                                "text": "What would settle whether something is an instance of electrochemical cell?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "instance-tests-q02",
                                                "text": "Which borderline cases are argued about, and on what grounds?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "consequence",
                                "name": "Consequence of application",
                                "description": "Rights, duties or decisions that follow from the label.",
                                "findings": [
                                    {
                                        "id": "consequence-record",
                                        "name": "What the label licenses",
                                        "description": "What an agent may do once something is classified this way.",
                                        "questions": [
                                            {
                                                "id": "consequence-record-q01",
                                                "text": "What follows practically once something is treated as electrochemical cell?",
                                                "kind": "action"
                                            },
                                            {
                                                "id": "consequence-record-q02",
                                                "text": "What must an agent not infer from the label alone?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a electrochemical cell 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 electrochemical cell and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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 electrochemical cell is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a electrochemical cell, 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 electrochemical cell, 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 electrochemical cell 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
            }
        }
    }
}