{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:39:05Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 21.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094fb-38fe-7e61-bb18-4c581642e722\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: fare\nSense to describe: (none recorded)\nDomain code: INF.KNW\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 registered", "usd": 0.0, "recall": true }, "codex": { "seconds": 58.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094fb-390d-7cf3-ac20-bbd35cdea8ba\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: fare\nRegistry id: vr.tr.fare\nPlane / domain: INF / INF.KNW\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for th" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:40:19+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:25+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1142227", "registryId": "vr.tr.fare", "name": "fare", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1142227/", "model": { "registry_id": "vr.tr.fare", "name": "fare", "purpose": "Enable an agent to identify a passenger transport fare, assess its applicability and current validity, and determine permitted pricing, purchase and use actions.", "definition": "A fare is the price charged for transporting a passenger, typically determined by the journey, service, passenger category, and conditions of travel.", "scope_statement": "This model owns a fare as a passenger transport price and its governing applicability, calculation and use conditions; this interpretation of the undefined registry term remains provisional.", "in_scope": [ "Published or quoted charges for passenger transport", "Journey, service, passenger and sales conditions determining applicability", "Fare calculation, currency, price components and rounding", "Travel rights and restrictions attached to the fare", "Effective dates, availability and evidence supporting fare terms" ], "out_of_scope": [ "Tickets, passes and other credentials that evidence travel entitlement", "Transport services, routes, timetables and vehicle operations", "Bookings, seat inventory and passenger records", "Payment transactions, settlement and accounting", "Freight rates and charges unrelated to passenger transport", "Fare meaning food, a passenger or another lexical sense" ], "distinguishing_features": [ "It specifies a charge or pricing rule for passenger transport, rather than a general product price.", "A fare can exist before a ticket is issued; the ticket evidences entitlement rather than defining the fare itself.", "A fare can apply to multiple departures or journeys, whereas a booking concerns a particular reservation.", "Its amount can be fixed or calculated from conditions such as zones, distance or time, so an amount alone does not identify it.", "A fare class label identifies a category only when linked to actual pricing and applicability terms." ], "characteristics": [ { "name": "Transport applicability", "kind": "relation", "unit_or_values": "Applicable operators, modes, services, routes, zones or origin-destination pairs", "why_it_matters": "Determines which passenger movements the fare can price." }, { "name": "Pricing basis", "kind": "category", "unit_or_values": "Flat, distance-based, zone-based, time-based, demand-based, negotiated or combined", "why_it_matters": "Identifies the inputs needed to determine a charge." }, { "name": "Charge amount", "kind": "measurement", "unit_or_values": "Currency amount per declared basis, such as passenger, journey or validity period", "why_it_matters": "Supports comparison only when currency, charging basis and included components are known." }, { "name": "Passenger eligibility", "kind": "category", "unit_or_values": "Unrestricted or conditional on age, status, membership, group size or documented entitlement", "why_it_matters": "Prevents applying a concession or restricted fare to an ineligible passenger." }, { "name": "Temporal applicability", "kind": "state", "unit_or_values": "Effective sales and travel intervals, time restrictions and quote expiry", "why_it_matters": "Separates a valid fare rule from a price that is currently purchasable." }, { "name": "Travel entitlement", "kind": "category", "unit_or_values": "Single, return, transfer-inclusive, multi-journey or unlimited travel within stated limits", "why_it_matters": "Describes what transport use the quoted charge covers." }, { "name": "Change and refund conditions", "kind": "category", "unit_or_values": "Permitted, conditional, prohibited or unknown, with applicable fees and deadlines", "why_it_matters": "Determines whether an agent may propose changes or cancellation under the fare terms." }, { "name": "Governing tariff or offer", "kind": "relation", "unit_or_values": "Issuer, tariff or offer identifier, version and supporting source", "why_it_matters": "Allows the agent to distinguish authoritative terms from an unsupported or superseded price." } ], "affordances": [ "Match a fare to a proposed journey and passenger eligibility.", "Calculate or retrieve a charge with its included and excluded components.", "Compare fares covering equivalent travel rights and conditions.", "Check whether a fare remains valid and available before purchase.", "Explain transfer, change, cancellation and refund options under its terms.", "Identify missing evidence that prevents a reliable fare recommendation." ], "agent_conduct": { "may": [ "Quote fares from the operator's published tariff with conditions and date.", "Compare fare options for a passenger who asks.", "Explain discounts and concessions a passenger may be entitled to." ], "must_not": [ "Charge or quote a fare that differs from the published tariff without disclosing it.", "Hide mandatory fees until the end of a booking.", "Help a passenger evade a fare or use another person's concession.", "Set fares that discriminate by personal characteristics the law protects." ], "requires_human": [ "Buying a ticket with the passenger's money.", "Issuing a penalty fare or refund decision." ] }, "ethics": { "considerations": [ "Transport fares decide who can reach work, school and care.", "Opaque pricing exploits passengers who cannot compare." ], "affected_parties": [ "Passengers", "Low-income travellers", "Transport operators" ] }, "owners": { "steward": "The transport operator or the authority that sets the tariff.", "master_systems": [] }, "failure_modes_and_hazards": [ "Drip pricing that misleads passengers about the full cost.", "Fare errors that overcharge people automatically.", "Pricing that excludes those who most depend on public transport." ], "what_it_is_for": [ "Fares appear in public transport timetables, ticket machines, booking systems and published tariff schedules.", "They are used to determine the charge for a journey according to service, route, passenger eligibility and travel conditions.", "Fare information supports journey comparison, ticket purchase and checks that a ticket covers the intended travel." ], "standards_and_regulation": [ "EN 12896-5, issued by the European Committee for Standardization, defines the fares management component of the public transport reference data model." ], "facets_not_applicable": { "recognition": "A fare is an abstract charge identified through pricing information and travel conditions rather than visual appearance." } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1142227: fare", "url": "https://www.wikidata.org/wiki/Q1142227", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Fare", "url": "https://en.wikipedia.org/wiki/Fare", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "fare-identity-and-authority", "name": "Fare identity and authority", "description": "Establish what the fare represents and which published or quoted terms govern it.", "rationale": "The same label or amount can refer to different offers, tariff versions or travel rights.", "layers": [ { "id": "fare-identity", "name": "Fare identity", "description": "Distinguish the fare rule or offer from a particular quote and from the credential used to travel.", "findings": [ { "id": "rule-offer-or-quote", "name": "Rule, offer or quote", "description": "Record whether the subject is a reusable pricing rule, a marketed fare offer or a price quoted for specified circumstances.", "questions": [ { "text": "Does this fare identify a reusable tariff rule, a purchasable offer or a quote for a particular journey?", "kind": "definition", "id": "rule-offer-or-quote-q01" }, { "text": "Which identifiers distinguish this fare from its ticket product, booking class and issued ticket?", "kind": "boundary", "id": "rule-offer-or-quote-q02" } ] } ] }, { "id": "governing-terms", "name": "Governing terms", "description": "Connect fare details to their issuer and applicable documentary version.", "findings": [ { "id": "fare-source-and-version", "name": "Fare source and version", "description": "Capture evidence for the amount and conditions, including any unresolved differences between sources.", "questions": [ { "text": "Which operator, authority or seller issued these fare terms, and where can the applicable version be read?", "kind": "provenance", "id": "fare-source-and-version-q01" }, { "text": "If a seller's quote differs from the published tariff, what evidence establishes which terms govern the proposed purchase?", "kind": "provenance", "id": "fare-source-and-version-q02" } ] } ] } ] }, { "id": "journey-and-passenger-applicability", "name": "Journey and passenger applicability", "description": "Determine whether the fare applies to the requested transport and traveller.", "rationale": "A correct price for the wrong route, service or passenger category is not an applicable fare.", "layers": [ { "id": "transport-coverage", "name": "Transport coverage", "description": "Identify the geographical and service boundaries within which the fare applies.", "findings": [ { "id": "priced-journey-boundaries", "name": "Priced journey boundaries", "description": "Record the journey endpoints, zones, permitted paths and service limitations used to select the fare.", "questions": [ { "text": "Which origin-destination pairs, zones or network areas does this fare cover?", "kind": "boundary", "id": "priced-journey-boundaries-q01" }, { "text": "Which operators, service classes, routes or departures are included or excluded?", "kind": "boundary", "id": "priced-journey-boundaries-q02" } ] } ] }, { "id": "traveller-and-purchase-conditions", "name": "Traveller and purchase conditions", "description": "Identify passenger qualifications and purchase circumstances that restrict access to the fare.", "findings": [ { "id": "eligibility-and-access", "name": "Eligibility and access", "description": "Separate passenger eligibility from conditions imposed by the sales channel or purchase timing.", "questions": [ { "text": "Which passenger qualifications or group conditions are required, and what evidence must the traveller present?", "kind": "definition", "id": "eligibility-and-access-q01" }, { "text": "Must this fare be purchased through a particular channel, before a deadline or together with another product?", "kind": "action", "id": "eligibility-and-access-q02" } ] } ] } ] }, { "id": "charge-calculation", "name": "Charge calculation", "description": "Determine the payable transport charge from its pricing basis and component rules.", "rationale": "Fare amounts cannot be compared or calculated reliably without their charging units, inclusions and adjustment rules.", "layers": [ { "id": "base-price-and-components", "name": "Base price and components", "description": "Establish the calculation inputs and the relationship between the displayed fare and the payable total.", "findings": [ { "id": "amount-basis-and-inclusions", "name": "Amount basis and inclusions", "description": "Record currency, charging unit, calculation method and separately payable components.", "questions": [ { "text": "What amount or formula applies, in which currency and per passenger, journey, distance unit or period?", "kind": "measurement", "id": "amount-basis-and-inclusions-q01" }, { "text": "Which taxes, reservations, booking fees or other mandatory charges are included in the displayed amount?", "kind": "measurement", "id": "amount-basis-and-inclusions-q02" }, { "text": "Which inputs and rounding rules are required to reproduce the payable total?", "kind": "measurement", "id": "amount-basis-and-inclusions-q03" } ] } ] }, { "id": "discounts-transfers-and-caps", "name": "Discounts, transfers and caps", "description": "Represent rules that adjust the charge or relate it to other travel purchases.", "findings": [ { "id": "combined-charge-rules", "name": "Combined charge rules", "description": "Determine how concessions, transfer credits and spending caps affect an otherwise applicable fare.", "questions": [ { "text": "Which discounts or credits may be combined, and in what calculation order?", "kind": "measurement", "id": "combined-charge-rules-q01" }, { "text": "Do prior journeys or payments alter this charge through a transfer allowance or fare cap, and what history is required?", "kind": "measurement", "id": "combined-charge-rules-q02" } ] } ] } ] }, { "id": "validity-and-permitted-use", "name": "Validity and permitted use", "description": "Assess when the fare may be purchased and what travel or subsequent changes its terms permit.", "rationale": "An applicable amount does not by itself establish present availability, usable travel rights or permission to change a purchase.", "layers": [ { "id": "sales-and-travel-validity", "name": "Sales and travel validity", "description": "Separate the fare's effective period, quote lifetime and actual availability from its travel validity.", "findings": [ { "id": "current-purchasability", "name": "Current purchasability", "description": "Record the temporal and availability evidence needed before acting on a fare.", "questions": [ { "text": "When do these terms take effect and expire for sales and for travel, including any peak-time or blackout restrictions?", "kind": "definition", "id": "current-purchasability-q01" }, { "text": "Is the fare currently offered for the requested journey, and when must its quote or availability be checked again?", "kind": "action", "id": "current-purchasability-q02" } ] } ] }, { "id": "entitlement-and-adjustment", "name": "Entitlement and adjustment", "description": "Identify permitted travel use and the conditions for changing or reversing a purchase.", "findings": [ { "id": "travel-rights-and-remedies", "name": "Travel rights and remedies", "description": "Record journey limits, transfer rights and fare-specific change or refund conditions without conflating them with ticket issuance or broader passenger rights.", "questions": [ { "text": "How many journeys, transfers or stopovers does the fare permit, and within what time or route limits?", "kind": "boundary", "id": "travel-rights-and-remedies-q01" }, { "text": "Under these fare terms, may an unused or partly used purchase be changed or refunded, and with what deadlines, fees or price differences?", "kind": "action", "id": "travel-rights-and-remedies-q02" }, { "text": "Which requested remedy requires consulting a separate passenger-rights or operator-policy model?", "kind": "boundary", "id": "travel-rights-and-remedies-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "The transport-price sense is assumed because no sense was recorded; fare can also mean food or a passenger, among other uses.", "The supplied domain code INF.KNW and field-of-knowledge batch context do not clearly fit this interpretation; verify the registry's intended referent.", "This is a recall-based description; no sources were consulted." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Single or one-way fare", "Return or round-trip fare", "Flat fare", "Distance-based fare", "Zone-based fare", "Concessionary fare" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "General Transit Feed Specification (GTFS)", "value_or_pattern": "fare_id", "note": "In GTFS Fares v1, a dataset-local identifier connects a fare's attributes to its applicability rules; it is not a universal fare identifier." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Pricing passenger journeys on public transport", "Calculating taxi charges", "Selling airline and ferry travel", "Applying concession eligibility and transfer discounts", "Comparing travel costs across services" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Fare amount", "typical_range": "Varies by operator, journey, eligibility, and purchase conditions", "unit": "Currency per passenger journey" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Unclear restrictions or additional charges can make the payable price differ from the advertised price.", "Incorrect zone, distance, or passenger-category assignment can cause overcharging or undercharging.", "Complicated transfer and ticket-validity rules can lead passengers to purchase invalid travel entitlements.", "High fares can limit access to transport." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Operators and jurisdictions differ in their use of flat, zonal, distance-based, and demand-responsive pricing.", "Concession categories and eligibility requirements vary between transport systems.", "Transfer discounts, fare caps, and integration across operators vary between networks." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Ticket", "difference": "A ticket records or provides an entitlement to travel; a fare is the price associated with travel." }, { "name": "Fare structure", "difference": "A fare structure is the system of pricing categories and rules; an individual fare is a charge determined within that system." }, { "name": "Freight rate", "difference": "A freight rate prices the transport of goods rather than passengers." }, { "name": "Toll", "difference": "A toll charges for use of infrastructure, rather than for a passenger transport service." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of fare this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the originating registry record confirm that fare means a passenger transport charge rather than food, a passenger or another sense?", "Does an existing Vercy world model already own passenger transport fares or a broader pricing concept that this entry should reference?", "Should this registered thing encompass reusable tariff rules and individual quoted fares, or should quotes be represented only as related instances?", "Where does the registry place the boundary between fares, ticket products, subscriptions and passes that bundle transport with other services?", "Which authoritative transport tariff sources should establish the initial terminology and treatment of dynamic pricing, transfer credits and fare caps?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 26 } }