{"schema":"ursy.news/timeline/v1","items":[{"sequence":1077,"event_id":"evt_602b3d8e73ea6f30b5bd0e8ac949e375","story_id":null,"source_id":null,"type":"event_created","observed_at":"2026-09-11T18:47:49+00:00","actor":"algorithm","data":{"cluster_version":"event-cluster-v1.0.2"}},{"sequence":1078,"event_id":"evt_602b3d8e73ea6f30b5bd0e8ac949e375","story_id":"d6682337cc871a53fa33d75748acc3a7","source_id":"nasa","type":"story_added","observed_at":"2026-09-11T18:47:49+00:00","actor":"algorithm","data":{"feed_first_seen_at":"2026-09-03T18:11:21+00:00","confidence":1}},{"sequence":1079,"event_id":"evt_602b3d8e73ea6f30b5bd0e8ac949e375","story_id":"d6682337cc871a53fa33d75748acc3a7","source_id":"nasa","type":"publisher_joined","observed_at":"2026-09-11T18:47:49+00:00","actor":"algorithm","data":{"publisher_id":"nasa"}}],"count":3,"checkpoint":"chg_eyJ2IjoxLCJzY29wZSI6InRpbWVsaW5lOmV2dF82MDJiM2Q4ZTczZWE2ZjMwYjViZDBlOGFjOTQ5ZTM3NSIsInZhbHVlcyI6MTA3OSwiZmlsdGVycyI6IjRmNTNjZGExOGMyYmFhMGMwMzU0YmI1ZjlhM2VjYmU1ZWQxMmFiNGQ4ZTExYmE4NzNjMmYxMTE2MTIwMmI5NDUifQ.f5160b3043c48af9337fc2320abdbee0c1156c99da4b60bb09cb3b94514575be","pagination":{"limit":20,"has_more":false,"next_cursor":null,"next_url":null},"note":"Append-only URSY feed observations and corrections. Store the returned checkpoint after processing each page.","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"]}