{
    "model": {
        "rank": 4322,
        "code": "thing-q166530",
        "model_id": "vr.tr.escape-velocity",
        "name": "escape velocity",
        "purpose": "Enable an agent to recognise, calculate and assess an escape-speed threshold under stated gravitational assumptions before using it to judge whether a trajectory can escape.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.QLT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q166530/",
        "tier": 2,
        "score": 76,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 76,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q166530",
                "url": "https://www.wikidata.org/wiki/Q166530",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:57:44Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 23.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087be-8134-7bf3-92f2-ea4b31105a3e\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: escape velocity\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: 1001 ",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 61.1,
                        "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: 01a087be-812e-7f92-9dfc-406c1c49db1d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: escape velocity\nRegistry id: vr.tr.escape-velocity\nPlane / domain: XCT / XCT.QLT\nRegistry definition: (none recorded)\nNames folded into this entry: ("
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q166530",
                "registryId": "vr.tr.escape-velocity",
                "name": "escape velocity",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.QLT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q166530/",
            "model": {
                "registry_id": "vr.tr.escape-velocity",
                "name": "escape velocity",
                "purpose": "Enable an agent to recognise, calculate and assess an escape-speed threshold under stated gravitational assumptions before using it to judge whether a trajectory can escape.",
                "definition": "Escape velocity is the minimum initial speed required at a specified position to escape a gravitating system without further propulsion, approaching infinite separation with zero residual speed in an idealized, time-independent gravitational field without dissipative forces.",
                "scope_statement": "This model owns escape velocity in its gravitational sense: the minimum initial speed required at a specified position to escape a stated gravitational system without further propulsion, under explicitly recorded assumptions; despite its conventional name, the standard quantity is a scalar speed.",
                "in_scope": [
                    "The gravitational system, starting position and reference frame defining an escape threshold",
                    "Escape-speed values, units, derivations and uncertainty",
                    "Energy conditions for escape in a static Newtonian gravitational potential",
                    "The assumptions under which escape speed is independent of departure direction",
                    "The distinction between an ideal escape threshold and escape feasibility in a more complex environment"
                ],
                "out_of_scope": [
                    "Complete spacecraft trajectories, launch windows and mission design",
                    "Engine performance, propellant budgets and propulsion-system design",
                    "Atmospheric flight dynamics and thermal protection",
                    "General models of orbital motion and gravitational fields",
                    "Metaphorical uses concerning business growth, economics or social change"
                ],
                "distinguishing_features": [
                    "Describes a threshold speed at a position, rather than an object's measured velocity vector.",
                    "For an isolated spherical body in Newtonian gravity, escape speed is sqrt(2GM/r), whereas circular-orbit speed at the same radius is sqrt(GM/r).",
                    "Under a static potential normalised to zero at infinity, the ideal threshold corresponds to zero total specific mechanical energy.",
                    "Specifies escape without subsequent propulsion; a continuously powered ascent need not attain the local escape speed to keep moving outward.",
                    "Escaping one body's idealised potential does not establish escape from a larger system containing that body."
                ],
                "characteristics": [
                    {
                        "name": "Escape-speed threshold",
                        "kind": "measurement",
                        "unit_or_values": "m/s or km/s",
                        "why_it_matters": "Provides the scalar threshold against which a compatible initial speed can be assessed."
                    },
                    {
                        "name": "Gravitating system and escape destination",
                        "kind": "relation",
                        "unit_or_values": "Named body or system; infinity or an explicitly distinguished operational boundary",
                        "why_it_matters": "Determines which gravitational influence must be escaped and prevents local escape from being mistaken for escape from a larger system."
                    },
                    {
                        "name": "Evaluation position",
                        "kind": "measurement",
                        "unit_or_values": "Position vector in metres; radial distance from the centre in the spherical approximation",
                        "why_it_matters": "Escape speed changes with position; altitude alone requires a reference surface or radius."
                    },
                    {
                        "name": "Gravitational parameter or potential",
                        "kind": "measurement",
                        "unit_or_values": "GM in m^3/s^2 or specific gravitational potential in m^2/s^2, with its zero convention",
                        "why_it_matters": "Supplies the gravitational input used to derive the threshold."
                    },
                    {
                        "name": "Speed reference frame",
                        "kind": "category",
                        "unit_or_values": "Body-centred inertial approximation, barycentric inertial frame or explicitly specified alternative",
                        "why_it_matters": "A surface-relative speed cannot be compared directly with an inertial escape threshold without accounting for surface motion."
                    },
                    {
                        "name": "Dynamical approximation",
                        "kind": "category",
                        "unit_or_values": "Isolated spherical Newtonian source; static nonspherical potential; multiple-body dynamics; relativistic treatment",
                        "why_it_matters": "Controls whether a single scalar formula adequately represents the escape condition."
                    },
                    {
                        "name": "Specific orbital energy",
                        "kind": "measurement",
                        "unit_or_values": "J/kg, evaluated using the stated frame and potential convention",
                        "why_it_matters": "In the isolated Newtonian problem, its sign distinguishes negative-energy bound motion from marginal or positive-energy escape, subject to an unobstructed trajectory."
                    },
                    {
                        "name": "Threshold applicability",
                        "kind": "state",
                        "unit_or_values": "Applicable under stated assumptions; ideal approximation only; trajectory analysis required",
                        "why_it_matters": "Prevents a mathematically valid threshold from being treated as sufficient evidence of practical escape."
                    }
                ],
                "affordances": [
                    "Calculate an ideal escape speed from gravitational parameters and starting position.",
                    "Check whether a quoted value has a compatible radius, unit, gravitational system and reference frame.",
                    "Compare an initial speed with the ideal threshold and report the conditional escape classification.",
                    "Relate escape speed to circular-orbit speed or hyperbolic excess speed within the same two-body approximation.",
                    "Identify when rotation, drag, collisions, propulsion or multiple-body effects require a trajectory model.",
                    "Explain why a quoted escape speed is not automatically the launch delta-v requirement."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "escape-definition-and-system",
                        "name": "Escape definition and system",
                        "description": "Establishes what escape means and which gravitational system the threshold concerns.",
                        "rationale": "Escape speed has no unambiguous value without a starting position, a gravitational system and an escape criterion.",
                        "layers": [
                            {
                                "id": "gravitational-escape-sense",
                                "name": "Gravitational escape sense",
                                "description": "Separates the physical speed threshold from vector velocity and metaphorical uses.",
                                "findings": [
                                    {
                                        "id": "scalar-threshold-meaning",
                                        "name": "Scalar threshold meaning",
                                        "description": "Record whether the expression denotes the conventional minimum unpowered escape speed or a different operational quantity.",
                                        "questions": [
                                            {
                                                "text": "Does escape velocity here mean a scalar minimum initial speed for escape without further propulsion?",
                                                "kind": "definition",
                                                "id": "scalar-threshold-meaning-q01"
                                            },
                                            {
                                                "text": "Is a departure direction specified separately, and does the adopted model make that direction relevant to escape?",
                                                "kind": "boundary",
                                                "id": "scalar-threshold-meaning-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "system-and-destination",
                                "name": "System and destination",
                                "description": "Identifies the gravitational source and the endpoint used to judge escape.",
                                "findings": [
                                    {
                                        "id": "escape-endpoint",
                                        "name": "Escape endpoint",
                                        "description": "Record whether escape means reaching arbitrarily large distance in an idealised potential or crossing a finite operational boundary.",
                                        "questions": [
                                            {
                                                "text": "Which body or system must the object escape, and which external gravitational influences are omitted?",
                                                "kind": "definition",
                                                "id": "escape-endpoint-q01"
                                            },
                                            {
                                                "text": "Does the criterion require escape to infinity, or only crossing a named boundary that does not itself guarantee permanent escape?",
                                                "kind": "boundary",
                                                "id": "escape-endpoint-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "potential-and-threshold-calculation",
                        "name": "Potential and threshold calculation",
                        "description": "Connects the evaluation position and gravitational inputs to a reproducible ideal threshold.",
                        "rationale": "A numerical escape speed is interpretable only when its physical inputs and approximation are recoverable.",
                        "layers": [
                            {
                                "id": "position-and-gravity-inputs",
                                "name": "Position and gravity inputs",
                                "description": "Captures the distance convention and gravitational data required by the calculation.",
                                "findings": [
                                    {
                                        "id": "input-definition-and-provenance",
                                        "name": "Input definition and provenance",
                                        "description": "Record the starting position and the source of GM or the potential, including relevant uncertainty.",
                                        "questions": [
                                            {
                                                "text": "What is the starting position, and if a radius is used, is it measured from the body's centre rather than its surface?",
                                                "kind": "measurement",
                                                "id": "input-definition-and-provenance-q01"
                                            },
                                            {
                                                "text": "Which source supplies GM or the gravitational potential, and what uncertainty or epoch applies?",
                                                "kind": "provenance",
                                                "id": "input-definition-and-provenance-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "energy-derived-threshold",
                                "name": "Energy-derived threshold",
                                "description": "States the energy convention and the conditions supporting the chosen equation.",
                                "findings": [
                                    {
                                        "id": "threshold-equation-validity",
                                        "name": "Threshold equation validity",
                                        "description": "For an isolated spherical source outside its mass distribution, the Newtonian threshold is sqrt(2GM/r); using sqrt(-2Phi) requires a static potential with zero at infinity and an accessible escape path.",
                                        "questions": [
                                            {
                                                "text": "Does the position and mass distribution justify sqrt(2GM/r), or must a spatial potential be evaluated?",
                                                "kind": "boundary",
                                                "id": "threshold-equation-validity-q01"
                                            },
                                            {
                                                "text": "What potential-zero convention and units produce the reported escape speed?",
                                                "kind": "measurement",
                                                "id": "threshold-equation-validity-q02"
                                            },
                                            {
                                                "text": "Is an unobstructed path to infinity available, or could the potential geometry invalidate a simple local energy test?",
                                                "kind": "boundary",
                                                "id": "threshold-equation-validity-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "speed-and-energy-interpretation",
                        "name": "Speed and energy interpretation",
                        "description": "Makes comparisons with observed speeds and neighbouring orbital quantities physically meaningful.",
                        "rationale": "Frame mismatches and confusion with orbital speed or delta-v can turn a correct threshold into an incorrect decision.",
                        "layers": [
                            {
                                "id": "reference-frame-compatibility",
                                "name": "Reference-frame compatibility",
                                "description": "Relates the object's velocity to the frame used for the gravitational calculation.",
                                "findings": [
                                    {
                                        "id": "frame-consistent-speed",
                                        "name": "Frame-consistent speed",
                                        "description": "Record the velocity transformation needed before comparing an object or launch speed with the escape threshold.",
                                        "questions": [
                                            {
                                                "text": "In which frame are the escape threshold and the object's speed expressed?",
                                                "kind": "measurement",
                                                "id": "frame-consistent-speed-q01"
                                            },
                                            {
                                                "text": "If the speed is surface-relative, how do latitude and departure direction affect the vector contribution from planetary rotation?",
                                                "kind": "measurement",
                                                "id": "frame-consistent-speed-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "orbital-energy-comparison",
                                "name": "Orbital energy comparison",
                                "description": "Distinguishes marginal escape, excess escape energy and circular orbital motion.",
                                "findings": [
                                    {
                                        "id": "conditional-energy-classification",
                                        "name": "Conditional energy classification",
                                        "description": "In the isolated two-body approximation, equality with escape speed gives marginal escape; a greater speed gives positive specific energy, with v_infinity^2 = v^2 - v_escape^2 for an escaping trajectory.",
                                        "questions": [
                                            {
                                                "text": "Is the initial specific energy negative, zero or positive within the uncertainty of the inputs?",
                                                "kind": "measurement",
                                                "id": "conditional-energy-classification-q01"
                                            },
                                            {
                                                "text": "Is the compared quantity local speed, circular-orbit speed, hyperbolic excess speed or a manoeuvre delta-v?",
                                                "kind": "definition",
                                                "id": "conditional-energy-classification-q02"
                                            },
                                            {
                                                "text": "Does the predicted trajectory avoid collision so that its energy classification can support an escape assessment?",
                                                "kind": "action",
                                                "id": "conditional-energy-classification-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "physical-limits-and-use",
                        "name": "Physical limits and use",
                        "description": "Determines when the ideal threshold supports a decision and when additional dynamics are necessary.",
                        "rationale": "Escape speed is an ideal energy threshold whose practical use depends on forces, obstacles and the gravitational regime.",
                        "layers": [
                            {
                                "id": "propulsion-and-losses",
                                "name": "Propulsion and losses",
                                "description": "Separates unpowered escape from powered ascent and dissipative motion.",
                                "findings": [
                                    {
                                        "id": "unpowered-assumption",
                                        "name": "Unpowered assumption",
                                        "description": "Record whether thrust, atmospheric drag or other energy exchanges invalidate conservation of the object's mechanical energy in the selected model.",
                                        "questions": [
                                            {
                                                "text": "After the stated initial condition, is propulsion absent and are dissipative forces negligible?",
                                                "kind": "boundary",
                                                "id": "unpowered-assumption-q01"
                                            },
                                            {
                                                "text": "What additional ascent or trajectory calculation is required before interpreting the threshold as a launch requirement?",
                                                "kind": "action",
                                                "id": "unpowered-assumption-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "complex-gravity-regimes",
                                "name": "Complex gravity regimes",
                                "description": "Identifies limits imposed by multiple bodies, time-dependent fields and strong gravity.",
                                "findings": [
                                    {
                                        "id": "regime-escalation",
                                        "name": "Regime escalation",
                                        "description": "Record when an isolated Newtonian escape speed is only a local approximation and a more complete dynamical treatment must decide escape.",
                                        "questions": [
                                            {
                                                "text": "Do neighbouring bodies or a time-dependent potential make escape depend materially on departure direction and epoch?",
                                                "kind": "boundary",
                                                "id": "regime-escalation-q01"
                                            },
                                            {
                                                "text": "Does strong gravity require a relativistic definition of locally measured speed and escape rather than the Newtonian expression?",
                                                "kind": "boundary",
                                                "id": "regime-escalation-q02"
                                            },
                                            {
                                                "text": "Which trajectory or gravitational model should receive the case when a scalar threshold cannot settle escape?",
                                                "kind": "action",
                                                "id": "regime-escalation-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "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 sense described is gravitational escape in physics and astronomy; no registry definition was supplied.",
                                            "Numerical values are recalled approximations for idealized systems, not researched mission-design parameters.",
                                            "In multi-body or time-dependent systems, a single local escape-speed threshold may not fully determine eventual escape."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of escape velocity 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": [
                                            "Surface escape speed from a gravitating body",
                                            "Local escape speed at a specified altitude or position",
                                            "Escape speed from a distributed system such as a galaxy"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of escape velocity 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": [
                                            "Estimating the energy needed for spacecraft to escape a planet or the Solar System",
                                            "Assessing atmospheric escape by comparing particle speeds with local escape speed",
                                            "Determining whether stars or other objects are gravitationally bound to a system",
                                            "Modelling whether impact ejecta escape or fall back onto a body"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of escape velocity 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": "Newtonian escape speed outside a spherical mass",
                                                "typical_range": "v_esc = sqrt(2GM/r), where M is the central mass and r is distance from its centre",
                                                "unit": "m/s"
                                            },
                                            {
                                                "quantity": "Earth surface escape speed",
                                                "typical_range": "Approximately 11.2, neglecting atmosphere, rotation and other gravitating bodies",
                                                "unit": "km/s"
                                            },
                                            {
                                                "quantity": "Moon surface escape speed",
                                                "typical_range": "Approximately 2.38",
                                                "unit": "km/s"
                                            },
                                            {
                                                "quantity": "Solar escape speed at approximately Earth's orbital distance",
                                                "typical_range": "Approximately 42.1, relative to the Sun",
                                                "unit": "km/s"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of escape velocity 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": [
                                            "Treating escape speed as a required launch speed or rocket delta-v; powered trajectories, existing orbital motion and losses change propulsion requirements.",
                                            "Applying the isolated spherical-body formula directly to irregular, distributed or interacting gravitational systems.",
                                            "Ignoring atmospheric drag, heating or interception by the central body when interpreting an energetically unbound trajectory.",
                                            "Confusing escape from one body with escape from the larger system containing it.",
                                            "Using Newtonian escape-speed reasoning as a complete description of escape near a black hole, where general relativity is required."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of escape velocity 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": "speed",
                                                "difference": "Escape velocity specifies a gravitational escape threshold; despite its conventional name, that threshold is a scalar speed."
                                            },
                                            {
                                                "name": "orbital velocity",
                                                "difference": "Orbital velocity describes motion along an orbit; circular orbital speed around a spherical mass is smaller than local escape speed by a factor of sqrt(2)."
                                            },
                                            {
                                                "name": "hyperbolic excess speed",
                                                "difference": "Hyperbolic excess speed is the positive residual speed at infinite separation for an unbound two-body trajectory; threshold escape has zero residual speed."
                                            },
                                            {
                                                "name": "delta-v",
                                                "difference": "Delta-v measures a change in velocity supplied by a manoeuvre or propulsion system; escape speed is a threshold determined by position and gravitational potential."
                                            },
                                            {
                                                "name": "gravitational binding energy",
                                                "difference": "Binding energy measures the energy needed to separate a bound system; escape speed expresses an escape-energy requirement as a speed for a test particle."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of escape velocity this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which authoritative references should anchor the definition, equations and applicability limits in the researched publication?",
                "Should finite-boundary escape thresholds be represented as explicitly qualified variants here or owned by neighbouring trajectory models?",
                "How much treatment of multiple-body escape belongs in this model before responsibility passes to a dynamical-system model?",
                "Should relativistic escape-speed definitions be developed within this entry or handled through a linked specialised model?",
                "Which input-uncertainty and approximation criteria should govern a near-threshold escape classification?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 25
            }
        },
        "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 escape velocity, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise, calculate and assess an escape-speed threshold under stated gravitational assumptions before using it to judge whether a trajectory can escape.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "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 escape velocity, 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": [],
            "standing": "Described in 76 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one escape velocity from another, and a escape velocity 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 escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity 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 escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity 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 escape velocity between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a escape velocity 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 escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity 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 escape velocity 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 escape velocity 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 escape velocity 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 escape velocity?",
                                                "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 escape velocity?",
                                                "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 escape velocity 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 escape velocity and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a escape velocity, 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 escape velocity, 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 escape velocity 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 escape velocity is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a escape velocity, 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 escape velocity, 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 escape velocity 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
            }
        }
    }
}