{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.end-time","code":"thing-end-time","url":"https://ver.cy/models/thing/end-time/","name":"end","alternateNames":["death","last","dying","demise","grave","period","year-end","ending","stopping point","finale","finis","finish"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"noun.time","plane":"XCT","domain":["XCT.TME"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"abstract","origin":"conceptual","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"An end is the temporal boundary at which a specified event, process, state, or interval ceases or is treated as having ceased under an explicit criterion.","purpose":"Enable an agent to identify, represent and assess the point in time at which a specified thing ends, and determine which actions depend on that endpoint.","scope":{"in":["The thing, occurrence or phase whose end is being identified","Criteria and competing interpretations for determining when that thing ends","Actual, estimated, scheduled and conditional end points","Temporal reference systems, precision and uncertainty of an end point","Endpoint inclusion, ordering and actions contingent on an end"],"out":["An ending event or termination process, except as evidence locating the end point","The full duration and internal structure of the thing that ends","A goal, purpose or intended outcome expressed as an end","A spatial extremity or final position in a non-temporal sequence","A deadline that does not itself establish when the thing ends","The subsequent state, successor activity or aftermath"],"boundaries":[]},"distinguishingFeatures":["An instance must answer 'when does this specified thing end?' rather than 'why does it exist?' or 'where is its extremity?'","The end is a temporal point; a shutdown, withdrawal or dissolution may extend over time and needs a criterion selecting its endpoint.","An end must be tied to a particular referent and scope: the end of one phase need not be the end of the whole activity.","A scheduled finish or deadline establishes an actual end only when the applicable ending criterion makes it constitutive or evidence confirms cessation.","An uncertain end may be located within a range without making that range itself the end or treating its latest observation as the endpoint."],"structure":{"bundles":[{"id":"what-ends","name":"What ends","description":"Establishes the referent and the sense in which it has a temporal endpoint.","layers":[{"id":"referent-and-scope","name":"Referent and scope","description":"Identifies exactly which continuation terminates.","findings":[{"id":"bounded-referent","name":"Bounded referent","description":"Record the particular thing or occurrence and whether the claimed end belongs to it as a whole or to a phase.","questions":[{"text":"What precisely ends at this point, and which occurrence is meant if it recurs?","id":"bounded-referent-q01","kind":"definition"},{"text":"Could the enclosing activity continue after this endpoint because only a component or phase has ended?","id":"bounded-referent-q02","kind":"boundary"}]}]},{"id":"ending-interpretations","name":"Ending interpretations","description":"Separates cessation, completion and other candidate meanings of an end.","findings":[{"id":"criterion-dependent-end","name":"Criterion-dependent end","description":"Record the criterion selecting the endpoint and any competing interpretation that selects a different point.","questions":[{"text":"Does ending mean cessation, successful completion, expiry, formal declaration or another specified condition here?","id":"criterion-dependent-end-q01","kind":"definition"},{"text":"Who adopts each competing criterion, and which rule or practice supports its use?","id":"criterion-dependent-end-q02","kind":"provenance"},{"text":"What observable case would distinguish these interpretations of when the referent ends?","id":"criterion-dependent-end-q03","kind":"boundary"}]}]}]},{"id":"establishing-the-end","name":"Establishing the end","description":"Connects the endpoint claim to evidence and distinguishes occurrence from expectation.","layers":[{"id":"actual-and-prospective","name":"Actual and prospective","description":"Records whether an endpoint is asserted to have occurred or is prospective.","findings":[{"id":"endpoint-claim-status","name":"Endpoint claim status","description":"Keep actual, scheduled, forecast and conditional endpoint claims distinct even when their timestamps coincide.","questions":[{"text":"Is this an asserted actual end, an estimate of a past end, a scheduled finish, a forecast or a conditional endpoint?","id":"endpoint-claim-status-q01","kind":"definition"},{"text":"What evidence or constitutive rule permits a prospective endpoint to be treated as an actual end?","id":"endpoint-claim-status-q02","kind":"provenance"}]}]},{"id":"detection-and-determination","name":"Detection and determination","description":"Distinguishes when ending occurred from when it was observed or recorded.","findings":[{"id":"end-versus-notice","name":"End versus notice","description":"Record how the endpoint was determined and whether observation, declaration or recording occurred later.","questions":[{"text":"Does the supplied timestamp locate the end itself, its detection, its declaration or its entry into a record?","id":"end-versus-notice-q01","kind":"measurement"},{"text":"What supports locating the end at that time rather than merely saying the referent was no longer continuing when checked?","id":"end-versus-notice-q02","kind":"provenance"},{"text":"If declaration establishes the endpoint, which applicable rule gives it that effect?","id":"end-versus-notice-q03","kind":"definition"}]}]}]},{"id":"locating-the-end","name":"Locating the end","description":"Represents temporal position without overstating precision or treating ignorance as an endpoint.","layers":[{"id":"temporal-coordinate","name":"Temporal coordinate","description":"Specifies the clock, calendar or relative anchor used to locate the point.","findings":[{"id":"interpretable-end-time","name":"Interpretable end time","description":"Record the endpoint with its temporal reference system and supported resolution.","questions":[{"text":"Which time scale, calendar, time zone or relative anchor makes the endpoint value interpretable?","id":"interpretable-end-time-q01","kind":"measurement"},{"text":"Does the recorded value identify an exact point by convention or only a rounded or coarse location?","id":"interpretable-end-time-q02","kind":"measurement"}]}]},{"id":"uncertain-or-unestablished-end","name":"Uncertain or unestablished end","description":"Separates bounded uncertainty from the absence of an established endpoint.","findings":[{"id":"endpoint-knowledge-limits","name":"Endpoint knowledge limits","description":"Record available bounds and distinguish unknown end time, ongoing continuation and a claim that no finite end exists.","questions":[{"text":"What is the earliest and latest time at which the end could have occurred, and what supports each bound?","id":"endpoint-knowledge-limits-q01","kind":"measurement"},{"text":"Does a missing endpoint mean unknown, not yet ended, not applicable or claimed to have no finite end?","id":"endpoint-knowledge-limits-q02","kind":"definition"},{"text":"Could a later observation narrow the endpoint range without changing the ending criterion?","id":"endpoint-knowledge-limits-q03","kind":"action"}]}]}]},{"id":"endpoint-boundary","name":"Endpoint boundary","description":"Determines how the end relates to the final included time, the start and adjacent occurrences.","layers":[{"id":"inclusion-at-the-end","name":"Inclusion at the end","description":"Makes explicit whether the endpoint belongs to the period being ended.","findings":[{"id":"terminal-boundary-convention","name":"Terminal boundary convention","description":"Record whether the end is an included final instant or an excluded upper boundary, and how clock resolution affects that interpretation.","questions":[{"text":"At the endpoint itself, is the referent still considered active or applicable?","id":"terminal-boundary-convention-q01","kind":"boundary"},{"text":"Does 'last recorded time' identify the endpoint or merely the last observed instant before an excluded boundary?","id":"terminal-boundary-convention-q02","kind":"measurement"}]}]},{"id":"ordering-and-recurrence","name":"Ordering and recurrence","description":"Checks temporal consistency and distinguishes final ending from a pause between occurrences.","findings":[{"id":"end-in-temporal-context","name":"End in temporal context","description":"Relate the endpoint to its start and any successor while preserving the identity of the occurrence that ends.","questions":[{"text":"Is the claimed end earlier than, equal to or later than its start under comparable temporal references?","id":"end-in-temporal-context-q01","kind":"boundary"},{"text":"Does later continuation invalidate this end, indicate a pause or begin a distinct occurrence under the applicable identity rule?","id":"end-in-temporal-context-q02","kind":"definition"},{"text":"Does a successor start at this endpoint, after a gap or before it through overlap?","id":"end-in-temporal-context-q03","kind":"measurement"}]}]}]},{"id":"acting-on-an-end","name":"Acting on an end","description":"Connects endpoint determinations and revisions to decisions that depend on ending.","layers":[{"id":"end-dependent-decisions","name":"End-dependent decisions","description":"Identifies the end condition required by an action.","findings":[{"id":"sufficient-end-determination","name":"Sufficient end determination","description":"Record which endpoint interpretation and degree of certainty satisfy the rule for a dependent action.","questions":[{"text":"Which action depends on the end, and does its rule require reaching the boundary, passing it or receiving confirmation?","id":"sufficient-end-determination-q01","kind":"action"},{"text":"If the plausible endpoint range straddles the decision time, what does the applicable action rule require?","id":"sufficient-end-determination-q02","kind":"action"}]}]},{"id":"endpoint-revision","name":"Endpoint revision","description":"Handles changes to end claims without conflating a changed plan with a correction to history.","findings":[{"id":"changed-end-claim","name":"Changed end claim","description":"Distinguish rescheduling, corrected evidence, changed ending criteria and renewed continuation when an endpoint claim changes.","questions":[{"text":"Did the planned end move, was a past endpoint corrected, or was a different ending criterion adopted?","id":"changed-end-claim-q01","kind":"provenance"},{"text":"Which decisions made from the earlier endpoint require reassessment, and which rule governs that reassessment?","id":"changed-end-claim-q02","kind":"action"}]}]}]},{"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.","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.","questions":[{"text":"Which of these check these first hold for the sense of end this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of end this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of end this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","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.","questions":[{"text":"Which of these real-world use hold for the sense of end this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of end this model covers, and on what evidence?","id":"evidence-measurements-q01","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.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of end this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of end this model covers, and on what evidence?","id":"evidence-regional-variation-q01","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.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of end this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["State the criterion by which an end is determined in a record or model it maintains.","Record and report end times with their time zone and precision."],"mustNot":["Record an end time it has not observed or cannot support.","Change a recorded end time in a log or contract without an audit trail.","Treat an unstated or assumed criterion as the official one.","Backdate or forward-date an end to change who bears a cost or liability."],"requiresHuman":["Declaring that a process, service or entitlement has ended."]},"ethics":{"considerations":["End times decide entitlements, deadlines and liability, so accuracy affects people's rights.","Silent changes to records destroy the trust that evidence depends on."],"affectedParties":["People relying on deadlines","Parties to contracts","Auditors"]},"owners":{"steward":"Nobody owns the concept; the keeper of each record answers for the times in it.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-15205381-n","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.end-time","Open English WordNet: oewn-15291722-n"]},"properties":{"applicability":"not-applicable","items":["Ending referent: Specified thing, occurrence or phase, with identity and scope","Ending criterion: Criterion such as cessation, completion, expiry, declaration or threshold crossing; alternatives recorded where disputed","Endpoint status: Asserted actual, estimated actual, scheduled, forecast or conditional","Temporal position: Timestamp in a stated temporal reference system, or an offset in stated time units from a named anchor","Temporal resolution: Declared granularity such as day, second or clock tick","Endpoint uncertainty: Earliest and latest plausible times, one-sided bounds or a supported uncertainty estimate","Boundary inclusion: Included, excluded, unspecified or disputed","Temporal relationship: Before, equal to or after a specified start, observation, deadline or successor boundary; unresolved where necessary","Endpoint determination basis: Observation, declaration, governing rule or inference supporting a particular endpoint claim"]},"recognition":{"applicability":"not-applicable","items":[]},"capabilities":{"applicability":"required","items":["Identify the endpoint appropriate to a specified referent and ending criterion.","Distinguish a planned or predicted end from an end supported as having occurred.","Compare an end with starts, deadlines and successor boundaries while preserving uncertainty.","Determine whether a time falls before, at or after the end under the applicable inclusion convention.","Evaluate whether endpoint evidence satisfies a rule for closing, releasing or initiating an activity.","Revise an endpoint claim while retaining the earlier claim and the reason for revision."]},"hazards":{"applicability":"required","items":["Time zone and clock errors make records inconsistent.","Ambiguous criteria lead to disputes about whether something has ended."]},"interfaces":{"applicability":"required","items":["ISO 8601, Date and time representations, International Organization for Standardization."]},"context":{"applicability":"required","items":["An end identifies when an event, process, state or interval ceases according to a stated criterion.","It is used in scheduling, monitoring, records and agreements to determine duration and trigger actions that depend on completion or expiry."]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-15291722-n","url":"https://en-word.net/id/oewn-15291722-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: end","url":"https://en.wiktionary.org/wiki/end","note":"word senses and usage"}],"openQuestions":["Which temporal reference models should this entry reuse for instants, intervals, precision and ordering?","Which domains treat cessation, completion, expiry or declaration as competing endpoint definitions, and which authoritative sources document those differences?","How should a disputed endpoint be represented when parties agree on the evidence but apply different ending criteria?","What identity rules distinguish resumption of an ended thing from a new occurrence, especially for recurring activities and temporarily inactive entities?","How should processes with no attained final instant or only asymptotic cessation be classified without inventing a finite end?"],"resources":{"spec":"/models/things/publications/thing-end-time/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-end-time/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T09:29:30Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"not-applicable","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:27+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties.","interaction.recognition":"A temporal boundary has no intrinsic visual appearance, although observable events or recorded indicators may establish that it has been reached."},"score":1.0}}