[
  {
    "assignment": "Copied from the observation series that produced this coverage row.",
    "definition": "Archived feed polling outcomes.",
    "example": "Illustration: A successful feed check with no changed material is a polling observation, not a count of real-world events.",
    "field": "feature",
    "limitation": "A feature states what was measured. Published reporting never measures all real-world activity. Category slugs do not reconstruct uncaptured historical definitions.",
    "value": "archive-arrival-polls"
  },
  {
    "assignment": "Copied from the observation series that produced this coverage row.",
    "definition": "Instrument contacts within recorded receiver coverage.",
    "example": "Illustration: Aircraft position reports contribute contacts only inside a supported observed grid.",
    "field": "feature",
    "limitation": "A feature states what was measured. Published reporting never measures all real-world activity. Category slugs do not reconstruct uncaptured historical definitions.",
    "value": "receiver-contacts"
  },
  {
    "assignment": "Copied from the observation series that produced this coverage row.",
    "definition": "Published reporting in the named category and grid.",
    "example": "Illustration: Separate category identifiers keep a fire reporting series distinct from a flood reporting series in the same cell.",
    "field": "feature",
    "limitation": "A feature states what was measured. Published reporting never measures all real-world activity. Category slugs do not reconstruct uncaptured historical definitions.",
    "value": "published-category:<slug>"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "An explainer, an interview, an argument or a piece asking what something means. It concerns a real event without being one.",
    "example": "Illustration: An article explains the consequences of an earlier event without reporting a new occurrence: analysis.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "analysis"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "Announced, scheduled or being prepared. We record what has occurred.",
    "example": "Illustration: An announcement schedules an action for a future date: planned.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "planned"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "Recovery, cleanup, a revised casualty count or a damage assessment. The report is recent; the event it follows is not.",
    "example": "Illustration: A cleanup report follows an already recorded incident: aftermath.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "aftermath"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "An anniversary, a history or a feature. Real, and not news.",
    "example": "Illustration: An anniversary feature recounts an old incident: retrospective.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "retrospective"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "May, might, could, is expected to, analysts believe.",
    "example": "Illustration: An analyst says an action might happen, without an announcement or occurrence: speculated.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "speculated"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "A claim we are not willing to carry as a record of what occurred.",
    "example": "Illustration: A party says an incident occurred and independent confirmation is absent: claimed.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "claimed"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "A denial is not a record of the thing being denied.",
    "example": "Illustration: A statement disputes an alleged incident; the statement is classified denied, not proof of non-occurrence.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "denied"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "A digest, a daily briefing or a live blog. Not one occurrence.",
    "example": "Illustration: A daily digest combines unrelated incidents rather than describing one occurrence: roundup.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "roundup"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "The reports carry a date well in the past. Usually an anniversary piece or an archive item resurfacing, occasionally a model calling a history feature the news - the date settles it either way.",
    "example": "Illustration: A newly collected article describes an occurrence outside the publication recency window: stale.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "stale"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "It happened, and it is not one of the kinds of event this service records. A drug seizure is real; it is not on this map.",
    "example": "Illustration: The classifier finds no matching category in the service taxonomy: uncovered.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "uncovered"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "We publish what more than one independent source reports, with a narrow exception for official wires filing on their own account.",
    "example": "Illustration: Independent corroboration is absent and the official-wire exception does not apply: uncorroborated.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "uncorroborated"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "Reported, and close to the level we require before we will carry an event of its kind. A further independent account would have been enough.",
    "example": "Illustration: A stored hold reason records that the decision fell short of the threshold for its kind and that corroboration would have carried it: within-reach; the threshold and the decision value are not exported.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "within-reach"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "Reported, and far enough below the level we require that further corroboration would not have changed the answer.",
    "example": "Illustration: A stored hold reason records that the decision fell short of the threshold for its kind by a margin further corroboration would not close: far-below; the threshold and the decision value are not exported.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "far-below"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "The reports were about something already on the map, or did not clear the bar we set for its kind.",
    "example": "Illustration: A later report describes an occurrence already represented on the map: not-new.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "not-new"
  },
  {
    "assignment": "Assigned by the existing public hold-reason classifier; unrecognised reasons remain other.",
    "definition": "Recorded, and not published. The engine gave a reason we do not summarise here.",
    "example": "Illustration: A stored hold reason matches no public reason class: other; its diagnostic text is not exported.",
    "field": "holdClass",
    "limitation": "A hold is not a finding that the underlying claim is false. Diagnostic decision arithmetic is excluded.",
    "value": "other"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "Reported as an occurrence.",
    "example": "Illustration: Reporting describes a completed occurrence, so its recorded modality is occurred.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "occurred"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "Announced, scheduled or being prepared. We record what has occurred.",
    "example": "Illustration: An announcement schedules an action for a future date: planned.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "planned"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "May, might, could, is expected to, analysts believe.",
    "example": "Illustration: An analyst says an action might happen, without an announcement or occurrence: speculated.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "speculated"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "A claim we are not willing to carry as a record of what occurred.",
    "example": "Illustration: A party says an incident occurred and independent confirmation is absent: claimed.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "claimed"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "A denial is not a record of the thing being denied.",
    "example": "Illustration: A statement disputes an alleged incident; the statement is classified denied, not proof of non-occurrence.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "denied"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "An anniversary, a history or a feature. Real, and not news.",
    "example": "Illustration: An anniversary feature recounts an old incident: retrospective.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "retrospective"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "An explainer, an interview, an argument or a piece asking what something means. It concerns a real event without being one.",
    "example": "Illustration: An article explains the consequences of an earlier event without reporting a new occurrence: analysis.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "analysis"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "A digest, a daily briefing or a live blog. Not one occurrence.",
    "example": "Illustration: A daily digest combines unrelated incidents rather than describing one occurrence: roundup.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "roundup"
  },
  {
    "assignment": "Copied from the event classification at capture, not inferred from publication status.",
    "definition": "Recovery, cleanup, a revised casualty count or a damage assessment. The report is recent; the event it follows is not.",
    "example": "Illustration: A cleanup report follows an already recorded incident: aftermath.",
    "field": "modality",
    "limitation": "Modality records how reporting was classified; it does not settle every detail. Null means unrecorded.",
    "value": "aftermath"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "No observation attempt was recorded.",
    "example": "Illustration: An expected feed has no poll record.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "not-polled"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "Attempts failed without a clean response.",
    "example": "Illustration: A receiver returned an error throughout the window.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "unreachable"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "The observation window is incomplete.",
    "example": "Illustration: A receiver answered during only part of the window.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "partial"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "The source answered and no arrival was recorded.",
    "example": "Illustration: A fully observed receiver window contains no contacts.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "answered-empty"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "Material arrived during observed coverage.",
    "example": "Illustration: A receiver returned a position report.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "arrived"
  },
  {
    "assignment": "Derived from archived polling outcomes, exposure and supported receiver geometry.",
    "definition": "No usable geographic observation footprint is recorded.",
    "example": "Illustration: A vessel socket connection carries no geographic footprint.",
    "field": "availability",
    "limitation": "Availability is distinct from traffic and from reporting activity. Home readers cannot support absence claims.",
    "value": "unsupported-coverage"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "Comparable observation history has not matured.",
    "example": "Illustration: A newly observed cell has too little comparable history; it remains insufficient-history even if the current poll is empty.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "insufficient-history"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "The coverage regime differs from the available history.",
    "example": "Illustration: A receiver footprint changes; observations from the previous footprint cannot establish the new baseline: coverage-changed.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "coverage-changed"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "Required source or language coverage was not recorded.",
    "example": "Illustration: The source's reporting-language coverage was never recorded: coverage-unrecorded, even when it answered.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "coverage-unrecorded"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "Recent held-out observations do not fit the earlier baseline.",
    "example": "Illustration: Recent observations reserved for checking no longer fit the older training period: calibration-failed.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "calibration-failed"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "Geographic observation is not supported.",
    "example": "Illustration: A vessel socket has no recorded geographic footprint: unsupported-coverage; arriving positions do not supply one.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "unsupported-coverage"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "The observation cannot support this comparison.",
    "example": "Illustration: A feed is unreachable during the window: not-assessed, rather than an absence of activity.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "not-assessed"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "The observed activity is within its historical baseline.",
    "example": "Illustration: A complete observation window falls within the calibrated range for comparable periods: ordinary.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "ordinary"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "The observed activity is above its historical baseline.",
    "example": "Illustration: A fully observed window exceeds its calibrated comparable-period range: above-baseline; the code does not identify a cause.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "above-baseline"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "The observed activity is below its historical baseline.",
    "example": "Illustration: A fully observed window contains activity below its calibrated range: below-baseline; it is not empty.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "below-baseline"
  },
  {
    "assignment": "Assigned independently for activity and reporting by the observation-history engine.",
    "definition": "An observed empty window is outside its historical baseline.",
    "example": "Illustration: A fully observed window is empty where mature, comparable and calibrated history supports activity: absence; no event is inferred.",
    "field": "assessment",
    "limitation": "A comparison describes observations, not a cause, forecasted event or certainty. Internal thresholds are not exported.",
    "value": "absence"
  },
  {
    "assignment": "Copied from the record at capture; a withdrawal keeps the permanent identifier.",
    "definition": "The record was published.",
    "example": "Illustration: a published page remains citable at its permanent address.",
    "field": "status",
    "limitation": "A later capture may have a different status; an old snapshot is not today's record.",
    "value": "published"
  },
  {
    "assignment": "Copied from the record at capture; a withdrawal keeps the permanent identifier.",
    "definition": "The published record was subsequently withdrawn.",
    "example": "Illustration: a withdrawn page remains citable at its permanent address.",
    "field": "status",
    "limitation": "A later capture may have a different status; an old snapshot is not today's record.",
    "value": "withdrawn"
  },
  {
    "assignment": "The shared correctionOutcome function maps the published update kind.",
    "definition": "A published correction changes the record.",
    "example": "Illustration: the published update states corrected.",
    "field": "outcome",
    "limitation": "Follow the permanent record for the reason and subsequent corrections.",
    "value": "corrected"
  },
  {
    "assignment": "The shared correctionOutcome function maps the published update kind.",
    "definition": "A correction lowers the assessment while retaining publication.",
    "example": "Illustration: the published update states downgraded.",
    "field": "outcome",
    "limitation": "Follow the permanent record for the reason and subsequent corrections.",
    "value": "downgraded"
  },
  {
    "assignment": "The shared correctionOutcome function maps the published update kind.",
    "definition": "The record is withdrawn.",
    "example": "Illustration: the published update states withdrawn.",
    "field": "outcome",
    "limitation": "Follow the permanent record for the reason and subsequent corrections.",
    "value": "withdrawn"
  }
]