{"work":{"id":"dda8490a-76df-4af8-ba10-f2a24df40323","openalex_id":null,"doi":"10.3847/2041-8213/ac6429","arxiv_id":null,"raw_key":null,"title":"First Sagittarius A* Event Hori zon Telescope Results","authors":null,"authors_text":"First Sagittarius A* Event Horizon Telescope Results","year":2022,"venue":null,"abstract":null,"external_url":"https://doi.org/10.3847/2041-8213/ac6429","cited_by_count":null,"metadata_source":"doi_reference","metadata_fetched_at":"2026-07-03T01:47:30.933897+00:00","pith_arxiv_id":null,"created_at":"2026-05-09T03:55:06.885662+00:00","updated_at":"2026-07-03T01:47:30.933897+00:00","title_quality_ok":true,"display_title":"Akiyama et al","render_title":"Akiyama et al"},"hub":{"state":{"tier_text":"hub","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":11,"external_cited_by_count":null},"tier":"hub","role_counts":[{"context_role":"background","n":2}],"polarity_counts":[{"context_polarity":"background","n":2}],"runs":{},"summary":{},"graph":{},"authors":[]}}