{
    "model": {
        "rank": 4373,
        "code": "thing-q215675",
        "model_id": "vr.tr.quantum-entanglement",
        "name": "quantum entanglement",
        "purpose": "Enable an AI agent to recognise quantum entanglement relative to specified subsystems, assess the evidence and usable resource it represents, and determine which transformations or tasks are justified.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.QLT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q215675/",
        "tier": 2,
        "score": 76,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "bound entanglement",
                "multipartite entanglement"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 76,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q215675",
                "url": "https://www.wikidata.org/wiki/Q215675",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T20:04:40Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 21.9,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087c4-d09c-7f01-9873-9ed272a6a50c\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: quantum entanglement\nSense to describe: (none recorded)\nDomain code: XCT.QLT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: ",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 63.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087c4-d093-78d2-94cb-f6d327ae1a4a\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: quantum entanglement\nRegistry id: vr.tr.quantum-entanglement\nPlane / domain: XCT / XCT.QLT\nRegistry definition: (none recorded)\nNames folded into thi"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q215675",
                "registryId": "vr.tr.quantum-entanglement",
                "name": "quantum entanglement",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.QLT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q215675/",
            "model": {
                "registry_id": "vr.tr.quantum-entanglement",
                "name": "quantum entanglement",
                "purpose": "Enable an AI agent to recognise quantum entanglement relative to specified subsystems, assess the evidence and usable resource it represents, and determine which transformations or tasks are justified.",
                "definition": "Quantum entanglement is the property of a composite quantum state, relative to a specified partition into subsystems, that it cannot be expressed as a probabilistic mixture of product states of those subsystems.",
                "scope_statement": "This model owns quantum entanglement as the nonseparability of a quantum state relative to a specified subsystem decomposition, including its operational detection, quantification, evolution and use; it records framework-dependent qualifications where subsystem definitions or accessible operations are restricted.",
                "in_scope": [
                    "Subsystem boundaries, state descriptions and the separability criterion being applied",
                    "Bipartite and multipartite entanglement, including distinctions between pure and mixed states",
                    "Evidence, assumptions and uncertainty supporting entanglement certification",
                    "Entanglement measures and their applicability to particular states and tasks",
                    "Preparation, degradation and transformation under specified accessible operations"
                ],
                "out_of_scope": [
                    "Quantum mechanics as a complete physical theory",
                    "Quantum coherence without an entanglement question involving specified subsystems",
                    "Classical correlations and shared randomness considered independently",
                    "Complete models of quantum computers, communication networks or experimental apparatus",
                    "Interpretations of measurement and speculative faster-than-light communication"
                ],
                "distinguishing_features": [
                    "For a specified bipartition, a pure state is entangled when it cannot be written as a product of subsystem states.",
                    "For a specified bipartition, a mixed state is entangled when it cannot be expressed as a convex mixture of product states; correlation alone does not establish this.",
                    "Entanglement concerns a joint state and a subsystem decomposition; coherence in a chosen basis does not by itself establish entanglement.",
                    "Bell-inequality violation can certify entanglement under the relevant assumptions, but failure to observe a violation does not establish separability.",
                    "Entanglement does not by itself permit controllable faster-than-light signalling, and its presence does not automatically establish usefulness for a particular task."
                ],
                "characteristics": [
                    {
                        "name": "Subsystem decomposition",
                        "kind": "relation",
                        "unit_or_values": "Named parties, modes or observable algebras, with the partition and modelling assumptions",
                        "why_it_matters": "Entanglement claims are meaningful only relative to the specified decomposition."
                    },
                    {
                        "name": "State description",
                        "kind": "category",
                        "unit_or_values": "Pure or mixed; finite or infinite dimensional; fully specified, estimated or partially constrained",
                        "why_it_matters": "Determines which definitions, tests and measures are applicable."
                    },
                    {
                        "name": "Separability assessment",
                        "kind": "state",
                        "unit_or_values": "Certified entangled, certified separable or unresolved for a named partition and evidence basis",
                        "why_it_matters": "Separates the state property from what available evidence establishes."
                    },
                    {
                        "name": "Multipartite structure",
                        "kind": "category",
                        "unit_or_values": "Fully separable, biseparable, genuinely multipartite entangled or unresolved; optionally entanglement depth",
                        "why_it_matters": "Identifies how widely the resource is shared instead of reducing all cases to a binary label."
                    },
                    {
                        "name": "Entanglement quantity",
                        "kind": "measurement",
                        "unit_or_values": "Named measure or bound, numerical value, normalization, logarithm base and uncertainty where applicable",
                        "why_it_matters": "Different measures answer different questions and are not interchangeable."
                    },
                    {
                        "name": "Certification support",
                        "kind": "relation",
                        "unit_or_values": "Witness, tomography, mathematical proof or Bell-test evidence linked to assumptions and uncertainty",
                        "why_it_matters": "Makes the justification for an entanglement claim inspectable."
                    },
                    {
                        "name": "Accessible operations",
                        "kind": "category",
                        "unit_or_values": "Specified local controls, classical communication, joint operations, filtering and physical restrictions",
                        "why_it_matters": "Determines which transformations and resource uses are feasible."
                    },
                    {
                        "name": "Resource persistence",
                        "kind": "measurement",
                        "unit_or_values": "Time-dependent measure or certification bound under specified dynamics; time in seconds",
                        "why_it_matters": "Connects an observed resource to the period in which it remains available."
                    }
                ],
                "affordances": [
                    "Determine whether a proposed example satisfies the applicable entanglement definition.",
                    "Select an applicable certification method and identify the observations it requires.",
                    "Record a quantitative measure or bound with its assumptions and uncertainty.",
                    "Assess whether allowed operations can prepare, preserve, concentrate or distribute the resource.",
                    "Evaluate whether the certified resource supports a specified information-processing task.",
                    "Identify missing evidence that prevents a separability, transformation or usefulness decision."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "state-and-subsystem-boundaries",
                        "name": "State and subsystem boundaries",
                        "description": "Establishes what is claimed to be entangled and which definition applies.",
                        "rationale": "The same physical situation can support different entanglement questions when parties, modes or accessible observables change.",
                        "layers": [
                            {
                                "id": "subsystem-identification",
                                "name": "Subsystem identification",
                                "description": "Identifies the components and mathematical decomposition underlying the claim.",
                                "findings": [
                                    {
                                        "id": "declared-entanglement-partition",
                                        "name": "Declared entanglement partition",
                                        "description": "Record the parties or modes, their partition and the justification for treating them as subsystems.",
                                        "questions": [
                                            {
                                                "text": "Which parties, modes or observable algebras define the entanglement claim?",
                                                "kind": "definition",
                                                "id": "declared-entanglement-partition-q01"
                                            },
                                            {
                                                "text": "Do indistinguishable particles, gauge constraints or restricted observables complicate the proposed decomposition?",
                                                "kind": "boundary",
                                                "id": "declared-entanglement-partition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "applicable-separability-definition",
                                "name": "Applicable separability definition",
                                "description": "Connects the state description to the criterion separating entangled and separable states.",
                                "findings": [
                                    {
                                        "id": "separability-reference-class",
                                        "name": "Separability reference class",
                                        "description": "Record the relevant separable-state class and any framework-dependent departure from the standard tensor-product treatment.",
                                        "questions": [
                                            {
                                                "text": "What product-state or mixture-of-product-states representation would count as separable here?",
                                                "kind": "definition",
                                                "id": "separability-reference-class-q01"
                                            },
                                            {
                                                "text": "Which reference or research framework justifies this definition, particularly if particle and mode descriptions differ?",
                                                "kind": "provenance",
                                                "id": "separability-reference-class-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "entanglement-structure-and-quantity",
                        "name": "Entanglement structure and quantity",
                        "description": "Describes how entanglement is distributed and what its reported magnitude means.",
                        "rationale": "A single entangled-or-not label cannot express multipartite structure or support meaningful resource comparisons.",
                        "layers": [
                            {
                                "id": "distribution-among-parties",
                                "name": "Distribution among parties",
                                "description": "Distinguishes partition-specific entanglement from stronger multipartite claims.",
                                "findings": [
                                    {
                                        "id": "multipartite-classification",
                                        "name": "Multipartite classification",
                                        "description": "Record which separability classes the evidence excludes and whether the claim concerns reduced states or the full joint state.",
                                        "questions": [
                                            {
                                                "text": "Does the evidence establish entanglement across a named cut, exclude biseparability or bound entanglement depth?",
                                                "kind": "measurement",
                                                "id": "multipartite-classification-q01"
                                            },
                                            {
                                                "text": "Does the claim concern a reduced pair of subsystems or the complete multipartite state?",
                                                "kind": "boundary",
                                                "id": "multipartite-classification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "resource-quantification",
                                "name": "Resource quantification",
                                "description": "Chooses measures whose domains and operational meanings match the assessment.",
                                "findings": [
                                    {
                                        "id": "qualified-entanglement-measure",
                                        "name": "Qualified entanglement measure",
                                        "description": "Record the measure, normalization, value or bound and the conditions under which it is informative.",
                                        "questions": [
                                            {
                                                "text": "Which measure is appropriate for this state family and intended resource question?",
                                                "kind": "measurement",
                                                "id": "qualified-entanglement-measure-q01"
                                            },
                                            {
                                                "text": "If reduced-state entropy is used, is the joint state known to be pure so that the interpretation is justified?",
                                                "kind": "boundary",
                                                "id": "qualified-entanglement-measure-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "certification-and-evidence",
                        "name": "Certification and evidence",
                        "description": "Connects entanglement assessments to observations, proofs and explicit trust assumptions.",
                        "rationale": "Theoretical preparation intent and observed correlations alone do not establish that an experimental state is entangled.",
                        "layers": [
                            {
                                "id": "test-selection",
                                "name": "Test selection",
                                "description": "Matches a criterion to the state dimension, available measurements and desired conclusion.",
                                "findings": [
                                    {
                                        "id": "criterion-applicability",
                                        "name": "Criterion applicability",
                                        "description": "Record whether the selected criterion is sufficient, necessary or conclusive only for a restricted state class.",
                                        "questions": [
                                            {
                                                "text": "Which witness, separability criterion, tomography procedure or Bell inequality can support the required claim?",
                                                "kind": "action",
                                                "id": "criterion-applicability-q01"
                                            },
                                            {
                                                "text": "Does an inconclusive result leave entanglement unresolved, or does this criterion establish separability in the stated setting?",
                                                "kind": "boundary",
                                                "id": "criterion-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "evidence-strength",
                                "name": "Evidence strength",
                                "description": "Tracks data origin, statistical support and experimental assumptions.",
                                "findings": [
                                    {
                                        "id": "auditable-certification-record",
                                        "name": "Auditable certification record",
                                        "description": "Link the claim to measured data or proof, including calibration, sampling, selection and trust assumptions.",
                                        "questions": [
                                            {
                                                "text": "Which dataset, preparation record or mathematical derivation supports this assessment?",
                                                "kind": "provenance",
                                                "id": "auditable-certification-record-q01"
                                            },
                                            {
                                                "text": "How do finite statistics, detector behaviour, postselection and trusted-device assumptions affect the conclusion?",
                                                "kind": "measurement",
                                                "id": "auditable-certification-record-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "preparation-dynamics-and-transformation",
                        "name": "Preparation, dynamics and transformation",
                        "description": "Tracks how an entangled state is produced, changes and can be converted.",
                        "rationale": "An agent needs the preparation conditions and allowed operations to judge whether a resource can actually be obtained and maintained.",
                        "layers": [
                            {
                                "id": "generation-and-survival",
                                "name": "Generation and survival",
                                "description": "Relates preparation mechanisms and environmental interactions to the resource over time.",
                                "findings": [
                                    {
                                        "id": "preparation-and-noise-history",
                                        "name": "Preparation and noise history",
                                        "description": "Record the generation process, conditional success and subsequent dynamics affecting the assessed state.",
                                        "questions": [
                                            {
                                                "text": "Which interaction, source or measurement-conditioned process prepares the proposed entangled state?",
                                                "kind": "provenance",
                                                "id": "preparation-and-noise-history-q01"
                                            },
                                            {
                                                "text": "Over what time interval and under which noise conditions does certification or a quantitative bound remain valid?",
                                                "kind": "measurement",
                                                "id": "preparation-and-noise-history-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "allowed-resource-conversions",
                                "name": "Allowed resource conversions",
                                "description": "Evaluates transformations relative to operational constraints and success conditions.",
                                "findings": [
                                    {
                                        "id": "conversion-feasibility",
                                        "name": "Conversion feasibility",
                                        "description": "Record the input resource, target state, operation class, number of copies and deterministic or conditional nature of a proposed conversion.",
                                        "questions": [
                                            {
                                                "text": "Can the target be reached using the available local operations and classical communication, or are additional resources required?",
                                                "kind": "action",
                                                "id": "conversion-feasibility-q01"
                                            },
                                            {
                                                "text": "What success probability, resource consumption and output-quality bound support a concentration or distillation proposal?",
                                                "kind": "measurement",
                                                "id": "conversion-feasibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operational-use-and-claim-boundaries",
                        "name": "Operational use and claim boundaries",
                        "description": "Connects entanglement to concrete tasks while distinguishing related correlation concepts.",
                        "rationale": "Presence, detectability and usefulness are separate assessments, and conflating entanglement with nonlocal signalling leads to invalid actions.",
                        "layers": [
                            {
                                "id": "task-specific-utility",
                                "name": "Task-specific utility",
                                "description": "Assesses whether the available resource meets a named protocol's requirements.",
                                "findings": [
                                    {
                                        "id": "supported-task-performance",
                                        "name": "Supported task performance",
                                        "description": "Record the intended task, required resource properties, auxiliary resources and relevant performance benchmark.",
                                        "questions": [
                                            {
                                                "text": "For which teleportation, communication, sensing or computation task is this state being assessed?",
                                                "kind": "action",
                                                "id": "supported-task-performance-q01"
                                            },
                                            {
                                                "text": "What measured or derived performance exceeds the appropriate baseline under the same resource constraints?",
                                                "kind": "measurement",
                                                "id": "supported-task-performance-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "correlation-and-signalling-boundaries",
                                "name": "Correlation and signalling boundaries",
                                "description": "Keeps entanglement, steering, Bell nonlocality and communication claims distinct.",
                                "findings": [
                                    {
                                        "id": "bounded-operational-inference",
                                        "name": "Bounded operational inference",
                                        "description": "Record exactly which correlation property is established and what communication or control is required for the proposed use.",
                                        "questions": [
                                            {
                                                "text": "Does the evidence establish entanglement, steering or Bell nonlocality, and under which trust assumptions?",
                                                "kind": "boundary",
                                                "id": "bounded-operational-inference-q01"
                                            },
                                            {
                                                "text": "Which classical messages and local measurement records must be exchanged to complete the proposed protocol?",
                                                "kind": "action",
                                                "id": "bounded-operational-inference-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The definition assumes a specified subsystem partition; identical particles, quantum fields and restrictions on accessible operations require additional care.",
                                            "There is no single entanglement measure suitable for every state and task; subsystem entropy measures entanglement directly only for bipartite pure states.",
                                            "Interpretations disagree about entanglement's physical meaning, while operational separability criteria are broadly shared; application maturity and performance claims require current verification."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Bipartite entanglement",
                                            "Genuine multipartite entanglement",
                                            "Pure-state entanglement",
                                            "Mixed-state entanglement",
                                            "Distillable entanglement",
                                            "Bound entanglement"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Quantum teleportation transfers a quantum state using shared entanglement and classical communication.",
                                            "Entanglement-based quantum key distribution uses quantum correlations to establish cryptographic keys.",
                                            "Quantum computing uses entangled states in many algorithms and quantum error-correcting codes.",
                                            "Quantum metrology uses suitably prepared entangled states to improve measurement precision under specified conditions.",
                                            "Quantum-network experiments distribute entanglement and connect links through entanglement swapping."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Entanglement entropy of a bipartite pure state",
                                                "typical_range": "0 to log2(min(d_A, d_B)), where d_A and d_B are finite subsystem dimensions",
                                                "unit": "bits when logarithms use base 2"
                                            },
                                            {
                                                "quantity": "Concurrence of a two-qubit state",
                                                "typical_range": "0 to 1; zero for separable states and one for maximally entangled states",
                                                "unit": "dimensionless"
                                            },
                                            {
                                                "quantity": "Absolute CHSH correlation parameter",
                                                "typical_range": "At most 2 for local hidden-variable models and at most 2√2 in quantum theory; exceeding 2 witnesses Bell nonlocality",
                                                "unit": "dimensionless"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Environmental coupling and uncontrolled noise can degrade or destroy usable entanglement.",
                                            "Transmission loss and detector imperfections reduce distribution rates and can complicate experimental certification.",
                                            "Ordinary classical correlations can be mistaken for entanglement without an appropriate witness or state analysis.",
                                            "Postselection and unaddressed experimental loopholes can invalidate claims of Bell nonlocality.",
                                            "Entanglement cannot by itself transmit controllable information faster than light; teleportation also requires classical communication."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Classical correlation",
                                                "difference": "Separable mixtures can produce correlated outcomes; entanglement requires a state that admits no separable decomposition across the specified partition."
                                            },
                                            {
                                                "name": "Quantum superposition",
                                                "difference": "Superposition is expressed relative to a basis and can occur in a single system; entanglement concerns nonseparability between subsystems."
                                            },
                                            {
                                                "name": "Bell nonlocality",
                                                "difference": "Bell nonlocality requires correlations incompatible with local hidden-variable models; an entangled state need not violate a Bell inequality in a given measurement scenario."
                                            },
                                            {
                                                "name": "Quantum steering",
                                                "difference": "Steering demonstrates that one party's measurements cannot be explained by a local quantum-state model for the other party; it is a stronger certification condition than entanglement alone."
                                            },
                                            {
                                                "name": "Quantum discord",
                                                "difference": "Discord measures a broader form of quantum correlation and can be nonzero in separable states."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of quantum entanglement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which references and research communities should anchor the treatment of subsystem-dependent entanglement, especially for identical particles and constrained observable algebras?",
                "How much coverage should the model give continuous-variable and quantum-field settings beyond the standard finite-dimensional treatment?",
                "Which measures and multipartite classifications are operationally useful for the registry's intended applications?",
                "What minimum evidence and uncertainty reporting should qualify an experimental claim as certified entanglement?",
                "Which transformation questions should remain explicitly unresolved when distillability or multipartite convertibility is not established for the state family?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 16,
                "questions": 26
            }
        },
        "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 quantum entanglement, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise quantum entanglement relative to specified subsystems, assess the evidence and usable resource it represents, and determine which transformations or tasks are justified.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: bound entanglement, multipartite entanglement.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 76 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 quantum entanglement, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "an abstraction with no physical instance",
            "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": [
                        "bound entanglement",
                        "multipartite entanglement"
                    ]
                }
            ],
            "standing": "Described in 76 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 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 quantum entanglement from another, and a quantum entanglement 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 quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a quantum entanglement 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 quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement 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 quantum entanglement?",
                                                "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 quantum entanglement?",
                                                "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 quantum entanglement 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 quantum entanglement and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a quantum entanglement, 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 quantum entanglement, 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 quantum entanglement 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 quantum entanglement is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a quantum entanglement, 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 quantum entanglement, 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 quantum entanglement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 12,
                "questions": 32
            }
        }
    }
}