{"schema":"ursy.news/event-envelope/v1","item":{"schema":"ursy.news/event/v1","id":"evt_927ab6ce31d3383094ebca8c03c85bec","label":"Arctic Melt Season Length Levels Off","label_basis":"representative_headline","label_story_id":"02d0e93ebeaf979aa7a7602def5b74c0","label_source_id":"nasa","topic":"science","topic_basis":"initial_member_source_feed_category","links":{"members":"https://ursy.news/api/v2/events/evt_927ab6ce31d3383094ebca8c03c85bec/stories","compare":"https://ursy.news/api/v2/events/evt_927ab6ce31d3383094ebca8c03c85bec/compare"},"status":"active","locked":false,"first_seen_at":"2026-09-21T13:53:17+00:00","last_seen_at":"2026-09-21T13:53:17+00:00","updated_at":"2026-09-21T13:53:42+00:00","member_story_ids":["02d0e93ebeaf979aa7a7602def5b74c0"],"publishers":["nasa"],"source_ids":["nasa"],"story_count":1,"publisher_count":1,"member_story_count_current":1,"member_story_count_lifetime_observed":1,"confidence":"standalone","confidence_score":null,"cluster_version":"event-cluster-v1.0.2","correction_status":"no_manual_corrections","merged_into":null,"coverage":{"publishers":1,"stories":1,"source_scopes":["Niche"],"access":{"free":1}},"url":"https://ursy.news/event/evt_927ab6ce31d3383094ebca8c03c85bec/","provenance":{"basis":"publisher_feed_metadata","topic_basis":"initial_member_source_feed_category","full_article":false,"timeline":"URSY observations, not necessarily real-world chronology","coverage_is_not_truth_probability":true,"language":"English lexical grouping; publisher language is not translated"}},"warnings":["FEED_METADATA_ONLY","NO_FULL_ARTICLE","COVERAGE_NOT_CONSENSUS","GROUPING_CONFIDENCE_NOT_TRUTH_PROBABILITY","TOPIC_IS_FEED_CATEGORY","TIMELINE_IS_URSY_OBSERVATION_HISTORY","SOURCE_ACCESS_NOT_ARTICLE_ACCESS","DOWNSTREAM_RIGHTS_NOT_GRANTED"]}