{ "model": { "rank": 5735, "code": "thing-q663611", "model_id": "vr.tr.low-earth-orbit", "name": "low Earth orbit", "purpose": "Enable an AI agent to identify low Earth orbit, assess the conditions of a particular orbit or orbital region, and evaluate feasible uses, changes and exits.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q663611/", "tier": 2, "score": 65, "payload": { "layer": "wikidata", "aliases": [ "very low Earth orbit" ], "aliasCount": 1, "merged": 1, "knownIn": 65, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q663611", "url": "https://www.wikidata.org/wiki/Q663611", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:10:06Z", "providers": [ "Codex" ], "missingProviders": [ "Grok" ], "pass": 2, "cost": { "grok": { "usd": null, "turns": null, "seconds": 12.7, "error": "Error: Internal error: {\n \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n \"http_status\": 402\n}", "retried": true }, "codex": { "seconds": 130.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07b1f-cd89-77a1-b536-f6d3ed0a629b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: low Earth orbit\nRegistry id: vr.tr.low-earth-orbit\nPlane / domain: XCT / XCT.QLT\nRegistry definition: (none recorded)\nNames folded into this entry: (" } } }, "metaModel": { "id": "THING-Q663611", "registryId": "vr.tr.low-earth-orbit", "name": "low Earth orbit", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q663611/", "model": { "registry_id": "vr.tr.low-earth-orbit", "name": "low Earth orbit", "purpose": "Enable an AI agent to identify low Earth orbit, assess the conditions of a particular orbit or orbital region, and evaluate feasible uses, changes and exits.", "definition": "", "scope_statement": "This model owns the low Earth orbit regime represented by vr.tr.low-earth-orbit, including its classification boundaries, orbital geometry, changing environmental conditions and constraints on occupancy; individual trajectories are assessed instances, while spacecraft, missions and authorities remain linked entities.", "in_scope": [ "Criteria for classifying an Earth-centred orbit as LEO and distinguishing residence from passage through the region.", "Altitude, eccentricity, inclination and time-dependent geometry relevant to a particular LEO trajectory.", "Atmospheric drag, perturbations and environmental exposure within the assessed orbital region.", "Ground access, illumination and encounter conditions arising from orbital geometry.", "Orbit maintenance, relocation and disposal feasibility, conditional on linked vehicle capabilities and applicable requirements." ], "out_of_scope": [ "Spacecraft construction, propulsion hardware, payload design and onboard operating procedures.", "Launch vehicle design and ascent execution before orbital insertion.", "Complete mission objectives, constellation architecture and service performance.", "The global atmosphere, space-weather system and radiation environment beyond their effects on the assessed orbit.", "Ownership, licensing and policy rules themselves, which belong to linked governance models.", "Detailed atmospheric reentry, breakup, casualty assessment and recovery operations." ], "distinguishing_features": [ "The reference body must be Earth; a comparably low orbit around another body is outside this entry.", "Classification must use a declared altitude convention: below approximately 2,000 km is a common LEO description, but threshold inclusivity and treatment of eccentric trajectories must be explicit. [ESA: Types of orbits](https://www.esa.int/Enabling_Support/Space_Transportation/Types_of_orbits)", "A trajectory must support orbital motion rather than merely reach a LEO-like altitude during suborbital flight.", "A trajectory crossing the LEO altitude region must be distinguishable from one whose entire assessed orbit remains within it.", "Polar and Sun-synchronous describe additional orbital properties rather than alternatives to LEO; neither property alone establishes LEO membership." ], "characteristics": [ { "name": "Boundary convention", "kind": "category", "unit_or_values": "Named definition, version, altitude reference, thresholds and inclusion rules", "why_it_matters": "Makes membership reproducible and prevents conflating an orbital class with a protected spatial region." }, { "name": "Perigee and apogee altitude", "kind": "measurement", "unit_or_values": "km above a declared Earth reference surface, at a stated epoch", "why_it_matters": "Tests whole-orbit membership and identifies low-altitude drag exposure or excursions outside LEO." }, { "name": "Eccentricity", "kind": "measurement", "unit_or_values": "Dimensionless", "why_it_matters": "Distinguishes near-circular residence from trajectories with substantially different conditions along each revolution." }, { "name": "Inclination", "kind": "measurement", "unit_or_values": "Degrees relative to Earth's equatorial plane", "why_it_matters": "Constrains ground-track latitude and contributes to encounter and environmental exposure geometry." }, { "name": "Orbital orientation and phase", "kind": "measurement", "unit_or_values": "Declared orbital elements or position and velocity, with epoch and reference frame", "why_it_matters": "Locates the trajectory in space and time for access, eclipse and conjunction assessment." }, { "name": "Orbital period", "kind": "measurement", "unit_or_values": "Minutes, with period convention stated", "why_it_matters": "Supports pass scheduling without assuming that every LEO trajectory has the same revolution time." }, { "name": "Orbit-estimate validity", "kind": "state", "unit_or_values": "Supported, stale, conflicting or insufficient; with uncertainty and validity interval", "why_it_matters": "Determines whether classification and action assessments have adequate evidence." }, { "name": "Drag and decay outlook", "kind": "measurement", "unit_or_values": "Predicted altitude change in km/day and lifetime interval in days or years, under stated scenarios", "why_it_matters": "Connects atmospheric conditions and linked vehicle properties to maintenance and exit needs." }, { "name": "Ground and sunlight access", "kind": "measurement", "unit_or_values": "Time-tagged access windows, elevation angles and eclipse durations", "why_it_matters": "Tests whether the trajectory can support a specified observation, contact or illumination requirement." }, { "name": "Encounter outlook", "kind": "state", "unit_or_values": "Unassessed, assessed with no identified concern, unresolved concern or action evaluation required", "why_it_matters": "Records the conclusion of a time-bounded screening assessment without equating missing alerts with safety." }, { "name": "Occupant capability dependency", "kind": "relation", "unit_or_values": "Links to spacecraft control authority, maneuver capability, ballistic properties and remaining resources", "why_it_matters": "An orbit cannot maintain or change itself; feasible actions depend on its occupant." }, { "name": "Applicable use and disposal constraints", "kind": "relation", "unit_or_values": "Links to current requirements, their applicability decisions and responsible authorities", "why_it_matters": "Separates physical feasibility from authorization and required exit behavior." } ], "affordances": [ "Classify a candidate trajectory as resident in LEO, crossing LEO, outside LEO or unresolved under a declared convention.", "Compare candidate LEO trajectories against ground access, illumination and environmental requirements.", "Forecast orbital evolution and identify when fresh tracking or reassessment is needed.", "Screen time-tagged occupancy for encounters and assess candidate avoidance changes.", "Evaluate maintenance, relocation and exit options against linked spacecraft capabilities and applicable constraints." ] }, "sources": [], "structure": { "bundles": [ { "id": "leo-identity-and-boundaries", "name": "LEO identity and boundaries", "description": "Establish what the LEO label denotes and how a candidate trajectory qualifies.", "rationale": "Altitude alone cannot distinguish an orbital resident, a crossing trajectory and a suborbital passage.", "layers": [ { "id": "regime-definition", "name": "Regime definition", "description": "Record the adopted meaning and spatial limits of LEO.", "findings": [ { "id": "adopted-leo-convention", "name": "Adopted LEO convention", "description": "Identify the definition used, its Earth reference surface and whether it classifies trajectories or spatial regions.", "questions": [ { "text": "Which source and version define the LEO boundaries used for this assessment?", "kind": "provenance", "id": "adopted-leo-convention-q01" }, { "text": "What lower and upper limits, altitude reference and threshold inclusion rules apply?", "kind": "boundary", "id": "adopted-leo-convention-q02" } ] } ] }, { "id": "trajectory-membership", "name": "Trajectory membership", "description": "Apply the definition to motion over a stated interval.", "findings": [ { "id": "resident-crossing-or-suborbital", "name": "Resident, crossing or suborbital", "description": "Separate orbital membership from temporary presence at a qualifying altitude and preserve unresolved boundary cases.", "questions": [ { "text": "Does the trajectory exhibit Earth orbital motion, or is it a suborbital passage?", "kind": "definition", "id": "resident-crossing-or-suborbital-q01" }, { "text": "Do perigee and apogee meet the adopted membership rule throughout the assessment interval?", "kind": "boundary", "id": "resident-crossing-or-suborbital-q02" } ] } ] } ] }, { "id": "orbital-geometry-and-access", "name": "Orbital geometry and access", "description": "Describe the trajectory sufficiently to determine where it goes and when access occurs.", "rationale": "LEO membership does not establish coverage, revisit timing or sunlight availability.", "layers": [ { "id": "time-referenced-orbit", "name": "Time-referenced orbit", "description": "Establish usable geometry and the limits of its prediction.", "findings": [ { "id": "orbit-estimate-and-uncertainty", "name": "Orbit estimate and uncertainty", "description": "Record the estimate, epoch, frame, element convention, propagation method and uncertainty needed for the intended decision.", "questions": [ { "text": "Which observations or orbit solution establish this trajectory, and at what epoch?", "kind": "provenance", "id": "orbit-estimate-and-uncertainty-q01" }, { "text": "Over what interval is the predicted position uncertainty acceptable for the proposed use?", "kind": "measurement", "id": "orbit-estimate-and-uncertainty-q02" } ] } ] }, { "id": "ground-and-solar-geometry", "name": "Ground and solar geometry", "description": "Assess access to locations and the changing relationship to sunlight.", "findings": [ { "id": "passes-revisit-and-eclipse", "name": "Passes, revisit and eclipse", "description": "Derive access and illumination windows for specified targets and constraints without treating ground-track repetition as guaranteed service.", "questions": [ { "text": "When are specified targets or stations accessible under the required elevation and viewing constraints?", "kind": "measurement", "id": "passes-revisit-and-eclipse-q01" }, { "text": "What eclipse durations and local-time behavior occur during the assessment interval?", "kind": "measurement", "id": "passes-revisit-and-eclipse-q02" } ] } ] } ] }, { "id": "environment-and-orbital-evolution", "name": "Environment and orbital evolution", "description": "Assess how the LEO environment changes the trajectory and exposes its occupant.", "rationale": "Present altitude is insufficient to judge persistence or operating conditions, particularly when atmospheric conditions change.", "layers": [ { "id": "drag-and-persistence", "name": "Drag and persistence", "description": "Connect atmospheric uncertainty and occupant properties to orbital evolution.", "findings": [ { "id": "conditional-decay-outlook", "name": "Conditional decay outlook", "description": "Record scenario-based decay estimates rather than an intrinsic lifetime for LEO; solar heating can expand the atmosphere and increase satellite drag. [NASA: Solar superstorms and satellite risks](https://www.nasa.gov/solar-system/solar-superstorms-of-the-past-help-nasa-scientists-understand-risks-for-satellites/)", "questions": [ { "text": "Which density, solar-activity and spacecraft ballistic assumptions support the predicted orbital evolution?", "kind": "provenance", "id": "conditional-decay-outlook-q01" }, { "text": "What range of altitude evolution and orbital lifetime follows if maintenance stops?", "kind": "measurement", "id": "conditional-decay-outlook-q02" } ] } ] }, { "id": "trajectory-dependent-exposure", "name": "Trajectory-dependent exposure", "description": "Identify environmental assessments required along the actual path.", "findings": [ { "id": "environmental-compatibility", "name": "Environmental compatibility", "description": "Require orbit-specific estimates of relevant radiation, atomic oxygen, plasma and illumination exposure, with tolerance judgments supplied by the occupant model.", "questions": [ { "text": "Which environmental exposures require assessment at this altitude, inclination and mission interval?", "kind": "boundary", "id": "environmental-compatibility-q01" }, { "text": "Which predicted exposures exceed linked spacecraft limits or require operational restrictions?", "kind": "action", "id": "environmental-compatibility-q02" } ] } ] } ] }, { "id": "shared-occupancy-and-encounters", "name": "Shared occupancy and encounters", "description": "Assess interactions with other occupants of the relevant LEO region.", "rationale": "A usable altitude band is not an exclusive orbital lane, and encounter judgments depend on timing and tracking quality.", "layers": [ { "id": "occupancy-evidence", "name": "Occupancy evidence", "description": "Establish what is known about other objects intersecting the assessed trajectory.", "findings": [ { "id": "screening-coverage-and-gaps", "name": "Screening coverage and gaps", "description": "Separate tracked-object encounter screening from statistical debris exposure and catalogue blind spots.", "questions": [ { "text": "Which tracking catalogue and debris environment assessment cover this orbital region and interval?", "kind": "provenance", "id": "screening-coverage-and-gaps-q01" }, { "text": "What object sizes, observation gaps or uncertainty limits prevent interpreting a clear screening result as absence of risk?", "kind": "boundary", "id": "screening-coverage-and-gaps-q02" } ] } ] }, { "id": "encounter-response", "name": "Encounter response", "description": "Support a conditional decision about an identified close approach.", "findings": [ { "id": "conjunction-action-assessment", "name": "Conjunction action assessment", "description": "Associate encounter estimates with uncertainty, decision deadlines and the consequences of candidate trajectory changes.", "questions": [ { "text": "What are the predicted closest-approach time, separation and uncertainty, and is collision probability supportable?", "kind": "measurement", "id": "conjunction-action-assessment-q01" }, { "text": "Which response is feasible under linked control authority and maneuver limits, and has its resulting trajectory been screened?", "kind": "action", "id": "conjunction-action-assessment-q02" } ] } ] } ] }, { "id": "maintenance-transition-and-exit", "name": "Maintenance, transition and exit", "description": "Determine whether the orbit can be sustained, changed or vacated under explicit dependencies.", "rationale": "Recognizing LEO must support decisions about continued occupancy and its eventual end.", "layers": [ { "id": "sustained-orbital-use", "name": "Sustained orbital use", "description": "Evaluate changes needed to preserve the intended altitude and geometry.", "findings": [ { "id": "maintenance-and-relocation-feasibility", "name": "Maintenance and relocation feasibility", "description": "Compare predicted orbital evolution with acceptable operating bounds and available maneuver resources.", "questions": [ { "text": "Which altitude, ground-track or orbital-plane deviations trigger reassessment or maintenance?", "kind": "boundary", "id": "maintenance-and-relocation-feasibility-q01" }, { "text": "Can the linked spacecraft sustain or reach the proposed orbit within its maneuver, timing and resource limits?", "kind": "action", "id": "maintenance-and-relocation-feasibility-q02" } ] } ] }, { "id": "end-of-occupancy", "name": "End of occupancy", "description": "Assess exit pathways and their handoff to disposal or reentry models.", "findings": [ { "id": "credible-exit-pathway", "name": "Credible exit pathway", "description": "Record the proposed exit, expected timing, uncertainties and applicable requirements without assuming one disposal deadline applies to every occupant.", "questions": [ { "text": "Which current disposal requirements apply to this occupant, and which authority or mission commitment establishes them?", "kind": "provenance", "id": "credible-exit-pathway-q01" }, { "text": "Which exit pathway is feasible, how long does LEO occupancy persist, and where must a reentry or other neighbouring model take over?", "kind": "action", "id": "credible-exit-pathway-q02" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend low Earth orbit primarily as a trajectory class, a spatial region or both, and does an existing world model already own that concept?", "Which authoritative boundary convention should Vercy adopt, including threshold inclusivity, altitude reference and treatment of eccentric crossing trajectories?", "What operational criterion should distinguish a short-lived orbit from suborbital passage without imposing an unsupported universal lower altitude?", "Which tracking, atmosphere and environmental sources provide sufficient uncertainty information and update frequency for the decisions this model will support?", "Which mission-specific and jurisdiction-specific maintenance, conjunction and disposal criteria should be linked, and how will their applicability and currency be verified?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 20 } }, "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 low Earth orbit, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify low Earth orbit, assess the conditions of a particular orbit or orbital region, and evaluate feasible uses, changes and exits.", "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: very low Earth orbit.", "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 65 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 low Earth orbit, 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": [ "very low Earth orbit" ] } ], "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 low Earth orbit from another, and a low Earth orbit 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 low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a low Earth orbit 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 low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit 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 low Earth orbit?", "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 low Earth orbit?", "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 low Earth orbit 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 low Earth orbit and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 low Earth orbit is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a low Earth orbit, 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 low Earth orbit, 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 low Earth orbit 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 } } } }