{ "model": { "rank": 5895, "code": "thing-q6372", "model_id": "vr.tr.photosphere", "name": "photosphere", "purpose": "Enable an AI agent to identify a photosphere, assess its observable and inferred physical state, and select defensible observations and analyses.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q6372/", "tier": 2, "score": 64, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 64, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q6372", "url": "https://www.wikidata.org/wiki/Q6372", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:54:51Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00305932, "turns": 1, "seconds": 14.6, "error": null }, "codex": { "seconds": 81.7, "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: 01a07b49-8125-71c1-9ee3-f5fb1f27c6d4\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: photosphere\nRegistry id: vr.tr.photosphere\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA" } } }, "metaModel": { "id": "THING-Q6372", "registryId": "vr.tr.photosphere", "name": "photosphere", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q6372/", "model": { "registry_id": "vr.tr.photosphere", "name": "photosphere", "purpose": "Enable an AI agent to identify a photosphere, assess its observable and inferred physical state, and select defensible observations and analyses.", "definition": "The photosphere is the apparent visible surface of a star, the thin layer of its atmosphere from which most continuum radiation in the optical and near-infrared escapes to space and from which the stellar disk is observed.", "scope_statement": "This model owns the stellar photosphere represented by vr.tr.photosphere: its operational boundary, emerging radiation, local physical conditions, spatial structure and temporal behaviour, with explicit distinctions between observations and inferred atmospheric properties.", "in_scope": [ "Association with a host star and identification of the photospheric region", "Wavelength-dependent formation depths and adopted photospheric boundary conventions", "Continuum brightness, spectral diagnostics and centre-to-limb variation", "Inferred temperature, density, velocity and magnetic conditions within the sampled layers", "Photospheric features, variability and the limits of resolving or reconstructing them" ], "out_of_scope": [ "The host star's complete interior, evolutionary history and global structure", "Chromosphere, transition region, corona and stellar wind as distinct regions", "Detailed lifecycle models of individual spots, flares or other associated phenomena", "Telescope construction, detector operation and observatory management", "Panoramic photographic images called photo spheres" ], "distinguishing_features": [ "Identify a stellar layer from which optical radiation escapes, rather than treating every luminous region around a star as photospheric; this criterion is described for the Sun by [NOAA NCEI](https://www.ncei.noaa.gov/products/space-weather/legacy-data/solar-photosphere).", "Require an atmospheric or radiative boundary convention rather than interpreting the apparent surface as solid ground.", "Check diagnostic formation layers before assigning an image or spectrum to the photosphere; the solar chromosphere and corona are distinct neighbouring regions in [NASA's layer description](https://science.nasa.gov/sun/facts/).", "Distinguish the emitting physical region from its projected disk, an observation of that disk, or a reconstructed surface map." ], "characteristics": [ { "name": "Host star", "kind": "relation", "unit_or_values": "Host-star identifier and component identifier where applicable", "why_it_matters": "Anchors the photosphere to the correct emitter, especially in blended multiple-star observations." }, { "name": "Photospheric boundary convention", "kind": "category", "unit_or_values": "Optical-depth surface, formation-depth interval or specified apparent-limb definition", "why_it_matters": "Makes radius, height and layer assignments interpretable and comparable." }, { "name": "Reference optical depth", "kind": "measurement", "unit_or_values": "Dimensionless; include wavelength or opacity averaging convention and integration direction", "why_it_matters": "Identifies what the adopted radiative boundary actually measures." }, { "name": "Photospheric extent", "kind": "measurement", "unit_or_values": "Radius or height in m; angular diameter in mas; include wavelength, epoch and boundary convention", "why_it_matters": "Supports comparisons of apparent size without silently equating different emitting layers." }, { "name": "Continuum specific intensity", "kind": "measurement", "unit_or_values": "W m^-2 sr^-1 nm^-1, or explicitly normalised intensity; include wavelength and viewing position", "why_it_matters": "Describes brightness and spatial contrast without confusing intensity with total stellar flux." }, { "name": "Temperature diagnostic", "kind": "measurement", "unit_or_values": "K; distinguish kinetic, brightness, colour and effective temperature", "why_it_matters": "Prevents different temperature estimates from being treated as interchangeable local measurements." }, { "name": "Density estimate", "kind": "measurement", "unit_or_values": "kg m^-3 for mass density or m^-3 for specified particle number density; include sampled depth", "why_it_matters": "Constrains atmospheric interpretations and records their dependence on the adopted model." }, { "name": "Photospheric velocity", "kind": "measurement", "unit_or_values": "m s^-1; include component, reference frame and formation-depth diagnostic", "why_it_matters": "Separates inferred atmospheric motion from host motion and observational shifts." }, { "name": "Magnetic field estimate", "kind": "measurement", "unit_or_values": "T or G; specify vector or line-of-sight component, resolution and inference method", "why_it_matters": "Supports assessment of magnetic structure without assuming every observation recovers a full field vector." }, { "name": "Feature coverage", "kind": "measurement", "unit_or_values": "Fraction from 0 to 1, with feature definition, contrast threshold and projected or surface-area convention", "why_it_matters": "Allows spot and bright-feature contributions to be compared consistently." }, { "name": "Observational accessibility", "kind": "state", "unit_or_values": "Spatially resolved, partially resolved, disk-integrated, occulted or unconstrained", "why_it_matters": "Limits which claims and follow-up analyses the available evidence supports." } ], "affordances": [ "Associate observations with the host photosphere and identify contamination from neighbouring emitting regions.", "Select continuum bands or spectral diagnostics appropriate to the photospheric property being investigated.", "Estimate photospheric conditions with explicit depth sensitivity, assumptions and uncertainty.", "Map or constrain brightness, velocity and magnetic structure at the resolution supported by the data.", "Track changes while accounting for rotation, viewing geometry and instrumental effects.", "Accept, qualify or defer a proposed inference according to whether its diagnostic actually samples the intended photospheric layer." ] }, "sources": [ { "id": "iau-photosphere", "title": "IAU Style Manual: photosphere", "url": "", "what_it_supports": "Standard astronomical usage of photosphere as the visible stellar surface layer.", "url_status": "dead" } ], "structure": { "bundles": [ { "id": "photospheric-identity-and-boundary", "name": "Photospheric identity and boundary", "description": "Identify the host and specify what counts as its photosphere in the current interpretation.", "rationale": "An apparent stellar surface cannot be assigned a unique location without a radiative or observational convention.", "layers": [ { "id": "host-and-referent", "name": "Host and referent", "description": "Anchor the physical photosphere and the portion under discussion.", "findings": [ { "id": "host-photosphere-association", "name": "Host photosphere association", "description": "Record which stellar component owns the region and whether the evidence concerns the whole apparent disk or a selected patch.", "questions": [ { "text": "Which star or stellar component is the host of this photosphere?", "kind": "definition", "id": "host-photosphere-association-q01" }, { "text": "What evidence separates this host's photospheric signal from unresolved companions or foreground emission?", "kind": "provenance", "id": "host-photosphere-association-q02" } ] } ] }, { "id": "radiative-surface-definition", "name": "Radiative surface definition", "description": "Make the adopted depth and apparent-surface conventions explicit.", "findings": [ { "id": "boundary-and-depth-convention", "name": "Boundary and depth convention", "description": "Record the optical-depth or formation-region definition, including how it depends on wavelength and viewing direction.", "questions": [ { "text": "What optical-depth criterion or formation-depth interval defines the photosphere here, and at which wavelength or opacity average?", "kind": "boundary", "id": "boundary-and-depth-convention-q01" }, { "text": "How does the adopted apparent limb or radius relate to that atmospheric boundary?", "kind": "measurement", "id": "boundary-and-depth-convention-q02" } ] } ] } ] }, { "id": "emergent-radiation-and-diagnostics", "name": "Emergent radiation and diagnostics", "description": "Describe the photospheric signal and determine which atmospheric regions its diagnostics sample.", "rationale": "Brightness and spectra support photospheric claims only when their spatial, spectral and depth sensitivity are understood.", "layers": [ { "id": "continuum-and-limb-profile", "name": "Continuum and limb profile", "description": "Characterise photospheric continuum emission across wavelength and projected position.", "findings": [ { "id": "continuum-brightness-distribution", "name": "Continuum brightness distribution", "description": "Record calibrated or normalised continuum brightness and any supported centre-to-limb profile.", "questions": [ { "text": "What continuum intensity or disk-integrated flux was measured, over which bandpass and spatial aperture?", "kind": "measurement", "id": "continuum-brightness-distribution-q01" }, { "text": "Is centre-to-limb variation measured, fitted or assumed, and how does that choice affect inferred size or feature contrast?", "kind": "provenance", "id": "continuum-brightness-distribution-q02" } ] } ] }, { "id": "spectral-formation-and-contamination", "name": "Spectral formation and contamination", "description": "Establish the photospheric relevance of spectral and polarimetric diagnostics.", "findings": [ { "id": "diagnostic-layer-attribution", "name": "Diagnostic layer attribution", "description": "Connect each selected diagnostic to its estimated formation region and identify competing contributions.", "questions": [ { "text": "Which continuum windows, line components or polarisation signals constrain the intended photospheric layer?", "kind": "definition", "id": "diagnostic-layer-attribution-q01" }, { "text": "What evidence bounds contamination from higher atmospheric layers, circumstellar material or blended stellar components?", "kind": "boundary", "id": "diagnostic-layer-attribution-q02" }, { "text": "Which diagnostic should be added or excluded to resolve an ambiguous photospheric attribution?", "kind": "action", "id": "diagnostic-layer-attribution-q03" } ] } ] } ] }, { "id": "photospheric-physical-state", "name": "Photospheric physical state", "description": "Represent inferred thermal, material, velocity and magnetic conditions within identified photospheric layers.", "rationale": "The agent must distinguish changes in atmospheric conditions from changes caused by sampling a different depth or applying a different inference model.", "layers": [ { "id": "thermal-and-material-stratification", "name": "Thermal and material stratification", "description": "Relate temperature and density estimates to atmospheric depth and inference assumptions.", "findings": [ { "id": "depth-resolved-thermodynamic-estimate", "name": "Depth-resolved thermodynamic estimate", "description": "Record which thermal and material quantities are constrained and which are supplied by an atmospheric model.", "questions": [ { "text": "Which temperature definition and density quantity are reported, and what photospheric depth range do they represent?", "kind": "measurement", "id": "depth-resolved-thermodynamic-estimate-q01" }, { "text": "Which assumptions about opacity, composition, equilibrium and atmospheric geometry determine these estimates?", "kind": "provenance", "id": "depth-resolved-thermodynamic-estimate-q02" }, { "text": "Does the evidence justify a depth profile, or only an average over the diagnostic's formation region?", "kind": "boundary", "id": "depth-resolved-thermodynamic-estimate-q03" } ] } ] }, { "id": "flows-and-magnetic-structure", "name": "Flows and magnetic structure", "description": "Assess photospheric motion and magnetism at the components and scales actually constrained.", "findings": [ { "id": "velocity-and-field-interpretation", "name": "Velocity and field interpretation", "description": "Record velocity and magnetic estimates together with reference frames, ambiguity and unresolved structure.", "questions": [ { "text": "Which velocity and magnetic-field components are constrained, at what spatial scale and formation depth?", "kind": "measurement", "id": "velocity-and-field-interpretation-q01" }, { "text": "How were rotational, systemic and instrumental shifts separated from local atmospheric motion?", "kind": "provenance", "id": "velocity-and-field-interpretation-q02" }, { "text": "Which unresolved filling factors, polarisation ambiguities or line-broadening degeneracies limit interpretation?", "kind": "boundary", "id": "velocity-and-field-interpretation-q03" } ] } ] } ] }, { "id": "surface-patterns-and-supported-actions", "name": "Surface patterns and supported actions", "description": "Assess photospheric features and evolution, then determine which observations or interpretations are justified.", "rationale": "Changes in an observed stellar disk can arise from physical evolution, rotation, projection or measurement limitations; action depends on separating them.", "layers": [ { "id": "feature-coverage-and-evolution", "name": "Feature coverage and evolution", "description": "Track supported photospheric structures without assuming solar patterns occur on every host.", "findings": [ { "id": "photospheric-pattern-assessment", "name": "Photospheric pattern assessment", "description": "Record detected or inferred dark features, bright features and granular patterns, including their coverage and evolution.", "questions": [ { "text": "Which photospheric patterns are directly resolved, indirectly inferred or undetectable with the available observations?", "kind": "measurement", "id": "photospheric-pattern-assessment-q01" }, { "text": "What contrast, scale and persistence criteria distinguish a feature from noise or reconstruction artefacts?", "kind": "definition", "id": "photospheric-pattern-assessment-q02" }, { "text": "What evidence distinguishes intrinsic feature evolution from rotation, occultation and changing projection?", "kind": "provenance", "id": "photospheric-pattern-assessment-q03" } ] } ] }, { "id": "inference-limits-and-follow-up", "name": "Inference limits and follow-up", "description": "Translate photospheric evidence and uncertainty into permissible analysis and observation choices.", "findings": [ { "id": "photospheric-action-readiness", "name": "Photospheric action readiness", "description": "Determine whether a proposed comparison, reconstruction or state judgement is supported by compatible diagnostics and adequate coverage.", "questions": [ { "text": "Are the compared observations compatible in wavelength, sampled depth, spatial resolution and rotational phase?", "kind": "boundary", "id": "photospheric-action-readiness-q01" }, { "text": "Should the agent proceed with the proposed photospheric inference, qualify it or defer it because the required property is unconstrained?", "kind": "action", "id": "photospheric-action-readiness-q02" }, { "text": "Which additional bandpass, polarimetric measurement, spatial resolution or observing cadence would address the dominant uncertainty?", "kind": "action", "id": "photospheric-action-readiness-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "solar photosphere", "stellar photosphere (main-sequence and giant stars)", "white-dwarf photosphere", "brown-dwarf photosphere", "accreting or irradiated photosphere" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of photosphere this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does this registry entry include effective photospheres in expanding ejecta, optically thick winds or accretion flows, or should those uses belong to neighbouring models?", "Which optical-depth and radius conventions should be accepted across stellar classes, and under what assumptions may they be compared?", "Which photospheric diagnostics remain reliable across cool, hot, strongly magnetic and extended stellar atmospheres?", "What evidence is sufficient to infer feature coverage or magnetic structure from an unresolved stellar disk without overstating uniqueness?", "Which uncertainty and temporal-coverage requirements should govern claims of photospheric change for different observing methods?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 9, "questions": 22 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "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 photosphere, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify a photosphere, assess its observable and inferred physical state, and select defensible observations and analyses.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Described in 64 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 photosphere, 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" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [], "standing": "Described in 64 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one photosphere from another, and a photosphere 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 photosphere, 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 photosphere, 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 photosphere 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 photosphere, 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 photosphere, 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 photosphere 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 photosphere 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 photosphere, 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 photosphere, 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 photosphere 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 photosphere from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a photosphere, 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 photosphere, 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 photosphere 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 photosphere 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 photosphere, 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 photosphere, 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 photosphere 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 photosphere is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a photosphere, 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 photosphere, 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 photosphere 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 photosphere is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a photosphere, 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 photosphere, 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 photosphere 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 photosphere 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 photosphere is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a photosphere, 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 photosphere, 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 photosphere 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 photosphere 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 photosphere, 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 photosphere, 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 photosphere 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 photosphere 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 photosphere between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a photosphere, 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 photosphere, 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 photosphere 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 photosphere, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a photosphere 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 photosphere, 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 photosphere, 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 photosphere is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What photosphere is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does photosphere perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise photosphere, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How photosphere is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does photosphere have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does photosphere need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about photosphere is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about photosphere hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern photosphere, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a photosphere 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 photosphere and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a photosphere, 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 photosphere, 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 photosphere 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 photosphere is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a photosphere, 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 photosphere, 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 photosphere is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }