{ "model": { "rank": 5964, "code": "thing-q193384", "model_id": "vr.tr.cosmic-dust", "name": "cosmic dust", "purpose": "Enable an AI agent to recognise cosmic dust, assess its physical state and observational significance, and choose justified observation, modelling, collection or handling actions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q193384/", "tier": 2, "score": 63, "payload": { "layer": "wikidata", "aliases": [ "circumstellar dust", "intergalactic dust", "presolar grains", "interstellar dust", "exozodiacal dust", "comet dust" ], "aliasCount": 6, "merged": 6, "knownIn": 63, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.cosmic-dust", "source": { "dataset": "wikidata", "item": "Q193384", "url": "https://www.wikidata.org/wiki/Q193384", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:25:26Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01473628, "turns": 1, "seconds": 181, "error": null }, "codex": { "seconds": 85, "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: 01a07b61-bcf0-7851-909e-a0a9d913b131\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: cosmic dust\nRegistry id: vr.tr.cosmic-dust\nPlane / domain: PHY / PHY.FLW\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA" } } }, "metaModel": { "id": "THING-Q193384", "registryId": "vr.tr.cosmic-dust", "name": "cosmic dust", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.FLW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q193384/", "model": { "registry_id": "vr.tr.cosmic-dust", "name": "cosmic dust", "purpose": "Enable an AI agent to recognise cosmic dust, assess its physical state and observational significance, and choose justified observation, modelling, collection or handling actions.", "definition": "Cosmic dust is the population of solid grains, typically from a few nanometres to a millimetre, composed mainly of amorphous silicates, carbonaceous material, metal oxides, sulphides and ices, that condense in stellar outflows and supernova ejecta or are released by parent-body collisions and that constitute a dynamical, extinction and infrared-emission component of the interstellar medium, circumstellar disks and the interplanetary environment.", "scope_statement": "This model owns extraterrestrial solid particulate material represented as individual grains, aggregates or explicitly bounded populations, including recovered material whose extraterrestrial origin is established or under investigation.", "in_scope": [ "Grain or population identity, extraterrestrial-origin evidence and confidence of classification", "Grain size, shape, aggregation, composition and internal structure", "Location, motion and interaction with radiation, gas, plasma and surrounding solids", "Thermal, electrical and alteration state, including survival or destruction processes", "Dust-specific observation, inference, collection, contamination control and handling constraints" ], "out_of_scope": [ "Whole stars, planetary systems, galaxies and their evolution", "Gas and plasma populations except as environments interacting with dust", "Parent asteroids, comets and planetary surfaces as complete bodies", "Meteor light phenomena and atmospheric entry events as independently modelled events", "Bulk meteorites and macroscopic debris classified under neighbouring registry entries", "Terrestrial aerosols except as contaminants or competing explanations" ], "distinguishing_features": [ "Require evidence for extraterrestrial origin or an astronomical location; small size alone does not distinguish cosmic dust from terrestrial dust.", "Determine whether the represented material is a solid grain or aggregate rather than gas, plasma or an individual molecule; record unresolved classifications.", "Record the adopted size and classification convention when distinguishing dust from meteoroids or larger debris, rather than imposing an unexplained universal cutoff.", "Distinguish evidence of a dust population from a direct grain detection: extinction, scattering or emission interpretations must retain their competing explanations.", "For recovered particles, separate inferred pre-collection properties from changes introduced by atmospheric entry, capture, storage or laboratory preparation." ], "characteristics": [ { "name": "Representation level", "kind": "category", "unit_or_values": "individual grain | aggregate | bounded population | unresolved dust component", "why_it_matters": "Determines whether a property describes one particle, a distribution or an inferred component." }, { "name": "Origin assessment", "kind": "state", "unit_or_values": "supported | candidate | disputed | undetermined, with evidence and confidence", "why_it_matters": "Controls whether extraterrestrial origin can support classification and subsequent interpretation." }, { "name": "Grain size or size distribution", "kind": "measurement", "unit_or_values": "m or µm, with radius or diameter convention, distribution weighting and uncertainty", "why_it_matters": "Supports comparison of observations and evaluation of transport, heating and collection behaviour." }, { "name": "Composition and material phase", "kind": "category", "unit_or_values": "identified or candidate constituents, phase and mixing arrangement, including unknown", "why_it_matters": "Constrains interpretation of optical signatures, alteration and material survival." }, { "name": "Morphology and porosity", "kind": "measurement", "unit_or_values": "shape descriptors; dimensionless aspect ratio and void fraction, with method", "why_it_matters": "Distinguishes compact grains from aggregates and informs interaction and capture models." }, { "name": "Dust abundance", "kind": "measurement", "unit_or_values": "grain count, number density in m^-3, mass density in kg m^-3 or column density in kg m^-2, with bounded support", "why_it_matters": "Expresses how much dust is present without conflating different sampling geometries." }, { "name": "Location and motion", "kind": "measurement", "unit_or_values": "position and velocity in a declared reference frame and epoch, with uncertainty", "why_it_matters": "Supports association with environments, transport assessment and encounter planning." }, { "name": "Thermal condition", "kind": "state", "unit_or_values": "temperature in K or temperature distribution; equilibrium assumption or transient-heating treatment", "why_it_matters": "Supports interpretation of emission and assessment of material changes." }, { "name": "Electrical condition", "kind": "measurement", "unit_or_values": "charge in C or elementary-charge units, or potential in V, with environmental assumptions", "why_it_matters": "Allows evaluation of coupling to the surrounding electromagnetic environment." }, { "name": "Wavelength-dependent optical response", "kind": "measurement", "unit_or_values": "absorption and scattering cross-sections in m^2, or dimensionless efficiencies, with wavelength and assumptions", "why_it_matters": "Connects candidate grain properties to extinction, scattering and emission observations." }, { "name": "Alteration and preservation state", "kind": "state", "unit_or_values": "observed or inferred alteration processes, affected constituents and remaining integrity", "why_it_matters": "Limits which present properties can be used to reconstruct earlier conditions." }, { "name": "Environmental and parent-body association", "kind": "relation", "unit_or_values": "linked region, medium or candidate source body, with association evidence", "why_it_matters": "Separates a grain's present surroundings from hypotheses about where it originated." } ], "affordances": [ "Classify a grain or inferred population as cosmic dust, or retain it as a candidate pending discriminating evidence.", "Select observations or laboratory measurements that distinguish competing grain-size, composition or origin interpretations.", "Estimate dust contributions to extinction, scattering or emission while retaining model assumptions and uncertainty.", "Evaluate candidate transport, heating, charging and destruction scenarios for a specified environment.", "Plan capture, storage and analysis around preservation of the grain properties needed for the scientific question.", "Assess dust encounter exposure for an instrument or vehicle using constrained particle populations and relative motion." ] }, "sources": [ { "id": "draine-2011", "title": "Physics of the Interstellar and Intergalactic Medium - Princeton University Press (Bruce T. Draine, 2011)", "url": "", "what_it_supports": "Grain composition, MRN-type size distributions, dust-to-gas ratio, extinction, and equilibrium temperatures of interstellar dust." }, { "id": "grun-1985", "title": "Collisional balance of the meteoritic complex - Icarus (Grün, Zook, Fechtig & Giese, 1985)", "url": "", "what_it_supports": "Canonical interplanetary dust flux model at 1 AU and the mass/size spectrum used in spacecraft environment work." }, { "id": "grun-book-2001", "title": "Interplanetary Dust - Springer (Grün, Gustafson, Dermott & Fechtig, eds., 2001)", "url": "", "what_it_supports": "Operational distinction of zodiacal, cometary and asteroidal dust, in-situ detectors, and dynamical properties (β, charging)." }, { "id": "iau-2017", "title": "Definitions of meteoroid and related terms - International Astronomical Union, Commission F1 (2017)", "url": "", "what_it_supports": "The 30 µm size cut that separates dust from meteoroids in IAU usage, and the contrast with meteoritics practice." }, { "id": "nasa-jsc-dust", "title": "Cosmic Dust Collection / Cosmic Dust Catalog - NASA Johnson Space Center Astromaterials Curation", "url": "https://curator.jsc.nasa.gov/dust/", "what_it_supports": "Stratospheric IDP collection practice, sample identifiers, and laboratory distinction from terrestrial contaminants.", "url_status": "live" }, { "id": "ecss-10-04c", "title": "ECSS-E-ST-10-04C Space environment - European Cooperation for Space Standardization / ESA", "url": "", "what_it_supports": "Spacecraft design treatment of the natural meteoroid/dust environment versus debris." }, { "id": "wikipedia-cosmic-dust", "title": "Cosmic dust - Wikipedia, Wikimedia Foundation", "url": "https://en.wikipedia.org/wiki/Cosmic_dust", "what_it_supports": "Common-language scope of the term and the Wikidata sitelink used as an identifier.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "dust-identity-and-origin", "name": "Dust identity and origin", "description": "Establish what material is represented and why it is classified as cosmic dust.", "rationale": "Dust-like appearance does not establish extraterrestrial origin, and a population inference is not an individually identified grain.", "layers": [ { "id": "particle-and-population-boundaries", "name": "Particle and population boundaries", "description": "Define the represented grain, aggregate or population and its classification boundaries.", "findings": [ { "id": "dust-classification-basis", "name": "Dust classification basis", "description": "Record the evidence and conventions supporting classification as solid particulate cosmic material.", "questions": [ { "text": "Is this an individual grain, an aggregate or a population bounded by a region, observation or collection?", "kind": "definition", "id": "dust-classification-basis-q01" }, { "text": "What evidence and adopted convention distinguish it from molecules, gas, terrestrial particles or larger meteoroids?", "kind": "boundary", "id": "dust-classification-basis-q02" } ] } ] }, { "id": "extraterrestrial-origin-and-association", "name": "Extraterrestrial origin and association", "description": "Separate evidence of extraterrestrial origin from more specific source hypotheses.", "findings": [ { "id": "origin-evidence", "name": "Origin evidence", "description": "Record origin indicators, candidate source environments and unresolved alternatives.", "questions": [ { "text": "Which observational, collection-context or laboratory evidence supports extraterrestrial origin?", "kind": "provenance", "id": "origin-evidence-q01" }, { "text": "What supports association with a particular parent body or source environment, and which alternatives remain viable?", "kind": "provenance", "id": "origin-evidence-q02" } ] } ] } ] }, { "id": "grain-material-and-architecture", "name": "Grain material and architecture", "description": "Describe the material and physical organisation needed to interpret grain behaviour.", "rationale": "Grains with similar apparent sizes may differ in constituent materials, aggregate structure and relevant interaction properties.", "layers": [ { "id": "size-shape-and-aggregation", "name": "Size, shape and aggregation", "description": "Record geometric descriptors and distinguish individual-grain measurements from population distributions.", "findings": [ { "id": "geometric-description", "name": "Geometric description", "description": "Make grain dimensions, equivalent-size conventions and aggregate structure explicit.", "questions": [ { "text": "What dimensions or equivalent radius describe the grain, and which measurement or inference defines them?", "kind": "measurement", "id": "geometric-description-q01" }, { "text": "What constrains shape, porosity and aggregation, and how is any size distribution weighted?", "kind": "measurement", "id": "geometric-description-q02" } ] } ] }, { "id": "constituents-and-material-phases", "name": "Constituents and material phases", "description": "Describe constituent identification, phase and arrangement without treating candidate compositions as confirmed.", "findings": [ { "id": "composition-and-mixing", "name": "Composition and mixing", "description": "Record material identifications and distinguish mixtures within grains from mixtures across a population.", "questions": [ { "text": "Which constituents and material phases are identified, by what evidence and with what uncertainty?", "kind": "measurement", "id": "composition-and-mixing-q01" }, { "text": "Does the evidence distinguish separate grain populations from inclusions, coatings or mixed material within individual grains?", "kind": "boundary", "id": "composition-and-mixing-q02" } ] } ] } ] }, { "id": "environmental-coupling-and-evolution", "name": "Environmental coupling and evolution", "description": "Connect dust motion and changing physical state to its local environment.", "rationale": "A usable dust model must support assessment of where grains can move, how they change and whether they persist.", "layers": [ { "id": "transport-and-forcing", "name": "Transport and forcing", "description": "Record motion and the environmental interactions relevant to a proposed trajectory or population evolution.", "findings": [ { "id": "dynamical-regime", "name": "Dynamical regime", "description": "Identify the evidence and assumptions needed to assess candidate transport mechanisms.", "questions": [ { "text": "What position, velocity or spatial distribution is constrained, in which reference frame and at what epoch?", "kind": "measurement", "id": "dynamical-regime-q01" }, { "text": "Which gravitational, radiative, gas-drag or electromagnetic effects must the proposed transport calculation evaluate?", "kind": "action", "id": "dynamical-regime-q02" } ] } ] }, { "id": "heating-charging-and-survival", "name": "Heating, charging and survival", "description": "Assess present thermal and electrical conditions and possible material transformations.", "findings": [ { "id": "grain-state-and-change", "name": "Grain state and change", "description": "Record constraints on current state and distinguish observed alteration from predicted evolution.", "questions": [ { "text": "What constrains temperature, temperature fluctuations and electrical charge under the recorded local conditions?", "kind": "measurement", "id": "grain-state-and-change-q01" }, { "text": "Which candidate processes, including sublimation, sputtering, collisions or aggregation, could change this dust over the decision timescale?", "kind": "action", "id": "grain-state-and-change-q02" } ] } ] } ] }, { "id": "dust-detection-and-inference", "name": "Dust detection and inference", "description": "Connect measured signals to defensible claims about grains and populations.", "rationale": "Dust properties are often inferred through models, so the agent must preserve degeneracies, selection effects and measurement limits.", "layers": [ { "id": "signals-and-observation-support", "name": "Signals and observation support", "description": "Identify the actual observable and the region, interval or sample it represents.", "findings": [ { "id": "dust-sensitive-observables", "name": "Dust-sensitive observables", "description": "Record dust-sensitive measurements before translating them into physical properties.", "questions": [ { "text": "What was measured: extinction, scattered light, thermal emission, polarization, an impact signal or a recovered particle property?", "kind": "measurement", "id": "dust-sensitive-observables-q01" }, { "text": "What wavelengths, spatial region, time interval, sensitivity limits and backgrounds define the measurement?", "kind": "measurement", "id": "dust-sensitive-observables-q02" } ] } ] }, { "id": "inference-degeneracy-and-selection", "name": "Inference, degeneracy and selection", "description": "Expose assumptions and biases connecting observations to dust properties.", "findings": [ { "id": "property-inference-limits", "name": "Property inference limits", "description": "Identify which dust properties are constrained and which depend on unresolved model choices.", "questions": [ { "text": "Which inferred sizes, compositions, temperatures or abundances depend on optical constants, geometry or population assumptions?", "kind": "measurement", "id": "property-inference-limits-q01" }, { "text": "What additional observation would best distinguish the remaining interpretations or reveal undetected grain populations?", "kind": "action", "id": "property-inference-limits-q02" } ] } ] } ] }, { "id": "encounter-capture-and-preservation", "name": "Encounter, capture and preservation", "description": "Support decisions involving dust exposure, sample acquisition and analysis.", "rationale": "Encounter conditions and collection methods affect both operational consequences and the properties that remain available for study.", "layers": [ { "id": "encounter-and-collection-conditions", "name": "Encounter and collection conditions", "description": "Relate dust populations and relative motion to exposure or collection decisions.", "findings": [ { "id": "encounter-action-basis", "name": "Encounter action basis", "description": "Record the dust constraints needed to assess an encounter or choose a capture approach.", "questions": [ { "text": "What particle flux, size or mass distribution, arrival direction and relative speed are constrained for the proposed encounter?", "kind": "measurement", "id": "encounter-action-basis-q01" }, { "text": "Which exposure or capture conditions are acceptable for the instrument and for preservation of the targeted grain properties?", "kind": "action", "id": "encounter-action-basis-q02" } ] } ] }, { "id": "sample-history-and-analysis", "name": "Sample history and analysis", "description": "Track changes and contamination affecting recovered dust and subsequent measurements.", "findings": [ { "id": "preservation-and-consumption", "name": "Preservation and consumption", "description": "Separate source-material evidence from collection artefacts and support analysis choices that account for sample consumption.", "questions": [ { "text": "What atmospheric-entry, capture, substrate, storage or preparation history could have altered or contaminated this sample?", "kind": "provenance", "id": "preservation-and-consumption-q01" }, { "text": "Which analysis sequence can answer the scientific question while accounting for heating, coating, fragmentation or consumption of the available grains?", "kind": "action", "id": "preservation-and-consumption-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Interstellar dust (diffuse ISM and molecular-cloud grains)", "Presolar grains / stardust (stellar condensates identified by isotopic anomalies)", "Circumstellar and protoplanetary-disk dust", "Interplanetary / zodiacal dust", "Cometary dust", "Asteroidal collisional dust", "Circumplanetary and planetary-ring dust", "Meteoric smoke (nanometre ablation products in planetary mesospheres)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q164090", "note": "Item commonly used for cosmic dust as a natural-science class, linked from the English Wikipedia article of that name." }, { "scheme": "NASA JSC Cosmic Dust Catalog", "value_or_pattern": "{collectorFlag}{particleId} (e.g. W7029*A28, L2005 cluster designations)", "note": "Curatorial IDs for stratosphere-collected interplanetary dust particles, not a taxonomic code for the class." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "International Astronomical Union (Commission F1, 2017): size-based definition of dust versus meteoroid (dust ≲ 30 µm).", "ECSS-E-ST-10-04C Space environment - European Cooperation for Space Standardization / ESA: natural meteoroid and dust environment for spacecraft design.", "NASA Meteoroid Engineering Model (MEM): agency engineering model of the meteoroid/dust flux for impact risk.", "ISO 16126:2014 Space systems - Assessment of survivability of unmanned spacecraft against space debris and meteoroid impacts - International Organization for Standardization.", "COSPAR Planetary Protection Policy - Committee on Space Research: handling and unrestricted/restricted return of extra-terrestrial dust and fines." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Remote sensing of extinction, reddening, polarisation and thermal infrared emission to map dust in the ISM, disks and the zodiacal cloud.", "In-situ impact ionisation and momentum detectors on spacecraft (for example Ulysses, Cassini CDA, New Horizons SDC) to measure mass, speed and composition of individual grains.", "Stratospheric aircraft and balloon collection of IDPs, curated at NASA JSC, for laboratory mineralogy and isotope work.", "Sample-return capture of cometary and asteroidal fines (Stardust aerogel; related grain populations on Hayabusa/OSIRIS-REx).", "Hypervelocity-impact risk analysis for spacecraft optics, thermal control surfaces and pressurised modules.", "Recovery of micrometeorites from Antarctic blue ice, snow and deep-sea sediments as the Earth-crossing tail of the same population.", "Atmospheric chemistry: meteoric smoke as condensation nuclei for noctilucent-cloud ice and as a source of mesospheric metals." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Equivalent grain radius", "typical_range": "0.005-0.25 in the diffuse ISM (MRN); 2-50 for collected IDPs; up to ~1000 in some catalogues", "unit": "µm" }, { "quantity": "Dust-to-gas mass ratio (local diffuse ISM)", "typical_range": "0.006-0.01", "unit": "dimensionless (mass/mass)" }, { "quantity": "Grain equilibrium temperature", "typical_range": "10-25 in the diffuse ISM; ~200-300 for zodiacal grains at 1 AU", "unit": "K" }, { "quantity": "Bulk density", "typical_range": "0.3-1.0 for fluffy IDPs; ~2-3.5 for compact silicates and oxides", "unit": "g cm^-3" }, { "quantity": "Interplanetary dust mass flux at 1 AU", "typical_range": "order of 10^-16 (Grün 1985 collisional-balance model)", "unit": "g cm^-2 s^-1" }, { "quantity": "Radiation-pressure to gravity ratio (β)", "typical_range": "0.01-1 for typical silicate/carbon grains; can exceed 1 for sub-micrometre grains", "unit": "dimensionless" }, { "quantity": "Total-to-selective extinction R_V (Milky Way diffuse sightlines)", "typical_range": "2.8-3.5, canonical 3.1", "unit": "dimensionless" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Hypervelocity impact on spacecraft: cratering, plasma discharge, attitude impulse, and puncture of thermal blankets or optics.", "Long-term optical and thermal-control degradation from pitting, scattering and deposited residue.", "Misidentification in collections: terrestrial volcanic ash, aircraft debris and industrial spherules mixed with IDPs.", "Photometric and spectroscopic bias: extinction and reddening that, if uncorrected, distort distances, star-formation rates and composition fits.", "Charged nanodust coupling to spacecraft potentials, producing instrument noise and non-Keplerian trajectories.", "Laboratory hazard from handling returned or collected respirable silicate and carbonaceous fines.", "Atmospheric entry heating that destroys or melts the parent grain, so the recovered micrometeorite is not a faithful sample of the in-space particle." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "IAU usage restricts 'dust' to grains ≲ 30 µm; meteoritics and curation still call millimetre IDPs and micrometeorites cosmic dust.", "Cosmochemistry uses 'stardust' strictly for presolar grains with stellar isotopic signatures; popular and mission usage (e.g. NASA Stardust) applies it to any captured cometary dust.", "Solar physics treats the same near-Sun population as the F-corona; planetary science treats it as the inner zodiacal cloud.", "Earth-recovery practice differs by site: Antarctic blue ice and snow, Greenland, deep-ocean spherules, and rooftop collections, each with different melting and contamination biases.", "Japanese literature commonly uses 宇宙塵 (uchūjin); Russian космическая пыль; both cover the same physical population with local collection programmes." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Meteoroid", "difference": "IAU size cut: a meteoroid is a natural solid in interplanetary space from about 30 µm to 1 m; dust is smaller. Dynamical and impact models often still group them." }, { "name": "Orbital debris (paint flakes, Al₂O₃ slag, fragmentation shards)", "difference": "Bound Earth-orbit elements, aluminium-rich or man-made compositions, and absence of solar-flare tracks or non-solar isotopic anomalies." }, { "name": "Micrometeorite", "difference": "A particle recovered on Earth after atmospheric entry; fusion crust, magnetite rims or complete melting separate it from the unmelted in-space grain." }, { "name": "Terrestrial stratospheric aerosol / volcanic ash", "difference": "Terrestrial oxygen and noble-gas isotopes, lack of GEMS (glass with embedded metal and sulphides) and lack of solar-flare ion tracks." }, { "name": "Interstellar gas and ices in the gas phase", "difference": "Gas-phase rotational/electronic lines versus solid-state features (notably the 9.7 µm silicate and 3.4 µm hydrocarbon bands) and continuum extinction." }, { "name": "Regolith fines on a parent body", "difference": "Gravitationally or cohesively bound to an asteroid, comet or planet rather than free-flying; sampled as surface material, not as a dust stream." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of cosmic dust this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which operational boundary should this registry adopt between cosmic dust, molecular clusters, meteoroids and larger extraterrestrial solids?", "Should recovered particles remain governed by this model throughout laboratory preparation, or transition to a linked specimen model at a defined point?", "What minimum evidence and confidence vocabulary should distinguish candidate extraterrestrial particles from supported cosmic-dust identifications?", "Which environment-specific extensions are necessary for interplanetary, interstellar and circumstellar dust without creating duplicate models?", "Which measurement conventions and reference datasets should govern comparisons of grain sizes, optical properties and abundance estimates across observing and collection methods?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "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 cosmic dust, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise cosmic dust, assess its physical state and observational significance, and choose justified observation, modelling, collection or handling actions.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: circumstellar dust, intergalactic dust, presolar grains, interstellar dust, exozodiacal dust, comet dust.", "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 63 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 cosmic dust, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "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": [ "circumstellar dust", "intergalactic dust", "presolar grains", "interstellar dust", "exozodiacal dust", "comet dust" ] } ], "standing": "Described in 63 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 cosmic dust from another, and a cosmic dust 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 cosmic dust, 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 cosmic dust, 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 cosmic dust 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 cosmic dust, 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 cosmic dust, 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 cosmic dust 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 cosmic dust 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 cosmic dust, 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 cosmic dust, 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 cosmic dust 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 cosmic dust from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a cosmic dust, 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 cosmic dust, 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 cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a cosmic dust is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a cosmic dust is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a cosmic dust is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a cosmic dust is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a cosmic dust is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a cosmic dust is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a cosmic dust 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 cosmic dust 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 cosmic dust between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a cosmic dust, 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 cosmic dust, 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 cosmic dust 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 cosmic dust, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a cosmic dust 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 cosmic dust, 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 cosmic dust, 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 cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a cosmic dust and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a cosmic dust is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a cosmic dust performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a cosmic dust.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a cosmic dust at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "supply-and-consumption", "name": "Supply and consumption", "description": "Quantities, rates and what running out means.", "findings": [ { "id": "consumption-and-stock", "name": "Consumption, stock and replenishment", "description": "How much of a cosmic dust there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a cosmic dust, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "consumption-and-stock-q02", "text": "Who or what asserted this about the supply of a cosmic dust, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "consumption-and-stock-q03", "text": "What may an agent decide or do once the supply of a cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "composition-and-identity", "name": "Composition, grade and chemical identity", "description": "What cosmic dust is made of and how pure the thing in hand is.", "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Formula, structure and the registry numbers that name it unambiguously.", "findings": [ { "id": "identity-record", "name": "Identity and registry numbers", "description": "What identifies this substance across suppliers and regulators.", "questions": [ { "id": "identity-record-q01", "text": "What formula, structure and registry identifiers name cosmic dust unambiguously?", "kind": "definition" }, { "id": "identity-record-q02", "text": "Which related substances share a name in common use but not an identifier?", "kind": "boundary" } ] } ] }, { "id": "grade-and-impurities", "name": "Grade, purity and impurities", "description": "The specification a batch meets and what else is in it.", "findings": [ { "id": "specification", "name": "Specification and assay", "description": "How purity is stated and measured, and which impurities matter.", "questions": [ { "id": "specification-q01", "text": "What grades of cosmic dust exist, how is purity assayed, and which impurities are limited?", "kind": "measurement" }, { "id": "specification-q02", "text": "Which use requires which grade, and what happens when a lower grade is substituted?", "kind": "action" } ] } ] } ] }, { "id": "properties-and-behaviour", "name": "Properties and behaviour", "description": "How cosmic dust behaves under conditions an agent can measure or change.", "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.", "layers": [ { "id": "physical-constants", "name": "Physical constants", "description": "Values that hold for the pure substance, with their conditions.", "findings": [ { "id": "constants-record", "name": "Constants and conditions", "description": "The quantities worth recording and the state they apply in.", "questions": [ { "id": "constants-record-q01", "text": "What are the defining physical constants of cosmic dust, in what units and under what conditions?", "kind": "measurement" }, { "id": "constants-record-q02", "text": "Which of these values change with grade or form rather than being fixed?", "kind": "boundary" } ] } ] }, { "id": "stability-and-reactivity", "name": "Stability and reactivity", "description": "What it reacts with, degrades into, and how it is stored.", "findings": [ { "id": "incompatibilities", "name": "Incompatibilities and degradation", "description": "What must not meet it, and what it becomes over time.", "questions": [ { "id": "incompatibilities-q01", "text": "What is cosmic dust incompatible with, and what does it degrade into under storage?", "kind": "definition" }, { "id": "incompatibilities-q02", "text": "What storage and handling does that require, and who is competent to do it?", "kind": "action" } ] } ] } ] }, { "id": "hazard-and-regulation", "name": "Hazard classification and regulation", "description": "How cosmic dust can harm, and what the law says about holding and moving it.", "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.", "layers": [ { "id": "hazard-class", "name": "Hazard classification", "description": "Classified hazards, exposure limits and protective measures.", "findings": [ { "id": "classified-hazards", "name": "Classified hazards and limits", "description": "The classification, the scheme it belongs to, and the limits set.", "questions": [ { "id": "classified-hazards-q01", "text": "How is cosmic dust classified for hazard, under which scheme, and what exposure limits apply?", "kind": "definition" }, { "id": "classified-hazards-q02", "text": "What protection does handling require, and what must an agent refuse to do without it?", "kind": "action" } ] } ] }, { "id": "regulatory-identity", "name": "Regulatory identity and control", "description": "Registration, restriction and transport rules by jurisdiction.", "findings": [ { "id": "controls", "name": "Controls and jurisdiction", "description": "Where it is restricted and what the restriction attaches to.", "questions": [ { "id": "controls-q01", "text": "Which registrations, restrictions or transport rules cover cosmic dust, and where?", "kind": "provenance" }, { "id": "controls-q02", "text": "Does the control attach to the substance, its concentration, or its intended use?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a cosmic dust 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 cosmic dust and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a cosmic dust, 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 cosmic dust, 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 cosmic dust 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 cosmic dust is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a cosmic dust, 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 cosmic dust, 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 cosmic dust is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 9, "layers": 20, "findings": 22, "questions": 60 } } } }