{ "model": { "rank": 459, "code": "thing-q523", "model_id": "vr.tr.star", "name": "star", "purpose": "Let an agent describe stars by spectral type, mass, luminosity, distance and evolutionary stage, and identify them across catalogues.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.SPC", "industry": "", "version": "", "url": "/models/thing/q523/", "tier": 2, "score": 279, "payload": { "layer": "wikidata", "aliases": [ "black neutron star", "blitzar", "radio star", "G-type star", "CEMP star", "hypervelocity star", "pre-main-sequence star", "K-type star", "solar-type star", "peculiar star", "S-type star", "M-type star", "hyperon star", "circumpolar star", "O-type star", "low-mass star", "metal-poor star", "carbon star", "technetium star", "Red clump", "stellar population", "B-type star", "A-type star", "navigational star", "green star", "supergiant", "high proper-motion star", "Thorne–Żytkow object", "hypergiant", "dwarf star", "dark star", "CN star", "intergalactic star", "X-ray stars", "Olydri", "Population I star", "compact object", "supernova", "young stellar object", "blue straggler" ], "aliasCount": 187, "merged": 187, "knownIn": 279, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.star-shape", "source": { "dataset": "wikidata", "item": "Q523", "url": "https://www.wikidata.org/wiki/Q523", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T04:35:51Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q523", "registryId": "vr.tr.star", "name": "star", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.SPC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q523/", "model": { "registry_id": "vr.tr.star", "name": "star", "purpose": "Let an agent describe stars by spectral type, mass, luminosity, distance and evolutionary stage, and identify them across catalogues.", "definition": "A luminous sphere of plasma held together by its own gravity, producing energy by nuclear fusion in its core for most of its life.", "what_it_is_for": "Understanding the universe, navigation, timekeeping and the origin of chemical elements.", "affordances": [ "observe it, by eye or telescope", "classify it, by spectral type and luminosity class", "measure it, for distance, mass, temperature and composition", "navigate by it, in celestial navigation" ], "distinguishing_features": [ "Self-luminous through fusion, unlike planets", "Classified on the Hertzsprung-Russell diagram", "Evolves through stages from protostar to remnant", "The Sun is a star" ], "appearance": "A point of light in the night sky, twinkling from the ground; colour ranges from blue-white to red.", "visual_identification": [ "Point sources that do not move against each other over a night, unlike planets", "Colour indicates temperature", "Bright stars have proper names; most have only catalogue numbers" ], "physical_properties": [ { "quantity": "mass", "typical_range": "0.08-150+", "unit": "solar masses", "note": "" }, { "quantity": "surface temperature", "typical_range": "2000-50000", "unit": "K", "note": "" }, { "quantity": "luminosity", "typical_range": "10^-4 to 10^6", "unit": "solar luminosities", "note": "" } ], "families_and_kinds": [ "by spectral type: O, B, A, F, G, K, M", "by luminosity class: supergiant to dwarf", "remnants: white dwarf, neutron star, black hole", "variable and binary stars" ], "related_models": [ { "relation": "is a kind of", "target": "astronomical object", "why": "the most studied class" }, { "relation": "hosts", "target": "planet", "why": "planetary systems orbit stars" }, { "relation": "is part of", "target": "galaxy", "why": "stars group into galaxies" }, { "relation": "is confused with", "target": "star as celebrity or symbol", "why": "homonyms" } ], "identifiers": [ { "scheme": "HD number", "value_or_pattern": "Henry Draper catalogue", "note": "bright stars" }, { "scheme": "Gaia DR3 source id", "value_or_pattern": "numeric", "note": "about 1.8 billion sources" }, { "scheme": "Bayer designation", "value_or_pattern": "Greek letter plus constellation", "note": "for example Alpha Centauri" } ], "standards_and_regulation": [ "IAU Working Group on Star Names", "Commercial \"star naming\" has no official standing" ], "failure_modes_and_hazards": [ "Believing purchased star names are official", "Mixing apparent and absolute magnitude", "Treating a binary system as one star" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "identity", "name": "Identity", "description": "Names and catalogue numbers.", "rationale": "Stars carry many designations; cross-identification avoids duplicates.", "layers": [ { "id": "names", "name": "Names", "description": "Proper names and designations.", "findings": [ { "id": "names-finding", "name": "Designations", "description": "The names and catalogue numbers.", "questions": [ { "text": "Which designations identify this star?", "kind": "provenance" }, { "text": "Is its proper name IAU-approved?", "kind": "provenance" } ] } ] }, { "id": "multiplicity", "name": "Multiplicity", "description": "Single or multiple.", "findings": [ { "id": "multiplicity-finding", "name": "System membership", "description": "Whether it is part of a multiple system.", "questions": [ { "text": "Is this a single star or part of a multiple system?", "kind": "definition" }, { "text": "Which component is meant?", "kind": "boundary" } ] } ] } ] }, { "id": "classification", "name": "Classification", "description": "Spectral type and stage.", "rationale": "Classification summarises temperature, size and evolution.", "layers": [ { "id": "spectral", "name": "Spectral type", "description": "Type and luminosity class.", "findings": [ { "id": "spectral-finding", "name": "Spectral class", "description": "The spectral classification.", "questions": [ { "text": "What is its spectral type and luminosity class?", "kind": "definition" }, { "text": "How was it classified?", "kind": "provenance" } ] } ] }, { "id": "stage", "name": "Evolutionary stage", "description": "Main sequence, giant, remnant.", "findings": [ { "id": "stage-finding", "name": "Stage", "description": "The stage of evolution.", "questions": [ { "text": "What evolutionary stage is it in?", "kind": "definition" }, { "text": "How will it evolve?", "kind": "definition" } ] } ] } ] }, { "id": "physical", "name": "Physical properties", "description": "Mass, temperature and distance.", "rationale": "Physical parameters are what science uses.", "layers": [ { "id": "parameters", "name": "Parameters", "description": "Mass, radius, temperature, luminosity.", "findings": [ { "id": "parameters-finding", "name": "Parameters", "description": "Measured or derived values.", "questions": [ { "text": "What are its mass, radius, temperature and luminosity?", "kind": "measurement" }, { "text": "Which are measured and which modelled?", "kind": "provenance" } ] } ] }, { "id": "distance", "name": "Distance", "description": "Parallax and other methods.", "findings": [ { "id": "distance-finding", "name": "Distance", "description": "The distance and method.", "questions": [ { "text": "How far away is it, and by which method?", "kind": "measurement" }, { "text": "What is the uncertainty?", "kind": "measurement" } ] } ] } ] }, { "id": "observation", "name": "Observation", "description": "Seeing and using it.", "rationale": "Stars are observed and used in navigation and culture.", "layers": [ { "id": "visibility", "name": "Visibility", "description": "Magnitude and position.", "findings": [ { "id": "visibility-finding", "name": "Visibility", "description": "Brightness and when it is visible.", "questions": [ { "text": "What is its apparent magnitude, and when is it visible?", "kind": "measurement" }, { "text": "In which constellation is it?", "kind": "definition" } ] } ] }, { "id": "variability", "name": "Variability", "description": "Changes in brightness.", "findings": [ { "id": "variability-finding", "name": "Variability", "description": "Whether it varies.", "questions": [ { "text": "Is its brightness variable, with what period?", "kind": "measurement" }, { "text": "What causes the variation?", "kind": "definition" } ] } ] } ] } ] }, "openQuestions": [ "Should named stars be registered as instances with Gaia identifiers?", "How should multiple star systems be modelled?", "Which spectral classification version should be used?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "place or geographic feature", "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 star, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent describe stars by spectral type, mass, luminosity, distance and evolutionary stage, and identify them across catalogues.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "fixed", "scale": "cosmic" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: black neutron star, blitzar, radio star, G-type star, CEMP star, hypervelocity star, pre-main-sequence star, K-type star, solar-type star, peculiar star, S-type star, M-type star.", "187 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 279 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 star, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "On an astronomical scale.", "Stays where it was put; moving it is a project.", "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": [ "Recognised by extent on the ground and by position, not by appearance. Two places that look alike are told apart by where they are." ], "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": [ "black neutron star", "blitzar", "radio star", "G-type star", "CEMP star", "hypervelocity star", "pre-main-sequence star", "K-type star", "solar-type star", "peculiar star", "S-type star", "M-type star" ] } ], "standing": "Described in 279 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 187 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 star from another, and a star 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 star, 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 star, 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 star 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 star, 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 star, 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 star 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 star 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 star, 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 star, 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 star 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 star from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a star, 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 star, 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 star 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 star 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 at cosmic scale.", "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 star, 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 star, 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 star 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 star is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a star, 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 star, 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 star 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 star is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a star, 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 star, 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 star 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 star is, how it got there and where it may go (fixed).", "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 star is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a star, 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 star, 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 star 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 star 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 star, 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 star, 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 star 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 star 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 star between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a star, 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 star, 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 star 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 star, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a star 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 star, 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 star, 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 star is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "extent-and-geometry", "name": "Extent, geometry and naming", "description": "Where star is, how far it reaches, and what it is called.", "rationale": "A boundary is claimed by an authority rather than observed in the world, so the claimant belongs in the record with the geometry.", "layers": [ { "id": "geometry", "name": "Geometry and reference system", "description": "Coordinates, extent and the frame they are given in.", "findings": [ { "id": "geometry-record", "name": "Geometry, precision and frame", "description": "What is recorded about position and shape, and to what accuracy.", "questions": [ { "id": "geometry-record-q01", "text": "What geometry describes star, in which coordinate reference system, at what precision?", "kind": "measurement" }, { "id": "geometry-record-q02", "text": "Which authority publishes that geometry, and who publishes a different one?", "kind": "provenance" } ] } ] }, { "id": "names", "name": "Names and endonyms", "description": "What it is called in different languages and by different parties.", "findings": [ { "id": "naming-record", "name": "Names and who uses them", "description": "Official names, local names and contested names.", "questions": [ { "id": "naming-record-q01", "text": "By what names is star known, in which languages, and which are official to whom?", "kind": "definition" }, { "id": "naming-record-q02", "text": "Where naming is contested, what should an agent record instead of choosing?", "kind": "action" } ] } ] } ] }, { "id": "containment-and-access", "name": "Containment, jurisdiction and access", "description": "What star sits inside, who governs it, and who may enter.", "rationale": "Administrative containment decides which rules apply, and it changes without the place moving.", "layers": [ { "id": "containment", "name": "Administrative containment", "description": "The units it belongs to and the date each holds from.", "findings": [ { "id": "containment-record", "name": "Containing units and effective dates", "description": "Where it sits administratively and since when.", "questions": [ { "id": "containment-record-q01", "text": "Which administrative units contain star, and since when does each containment hold?", "kind": "definition" }, { "id": "containment-record-q02", "text": "Which containment is disputed, and by which parties?", "kind": "boundary" } ] } ] }, { "id": "access", "name": "Access and permitted use", "description": "Who may enter or use it and under what conditions.", "findings": [ { "id": "access-rules", "name": "Access rules and their source", "description": "Entry, use and restriction, with the rule behind each.", "questions": [ { "id": "access-rules-q01", "text": "Who may enter or use star, under what conditions, and by whose rule?", "kind": "action" }, { "id": "access-rules-q02", "text": "What seasonal or conditional closure applies, and how is it announced?", "kind": "definition" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a star 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 star and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a star, 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 star, 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 star 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 star is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a star, 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 star, 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 star is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 7, "layers": 15, "findings": 17, "questions": 47 } } } }