{"work":{"id":"b9ab802f-32e5-4369-95a5-9b1b8c5aa225","openalex_id":null,"doi":null,"arxiv_id":"2107.02075","raw_key":null,"title":"Raclariu,Lectures on Celestial Holography,2107.02075","authors":null,"authors_text":"A","year":2021,"venue":null,"abstract":null,"external_url":"https://arxiv.org/abs/2107.02075","cited_by_count":null,"metadata_source":"arxiv_reference","metadata_fetched_at":"2026-07-04T20:50:11.809541+00:00","pith_arxiv_id":null,"created_at":"2026-05-09T06:00:36.908654+00:00","updated_at":"2026-07-04T20:50:11.809541+00:00","title_quality_ok":true,"display_title":"Raclariu, arXiv preprint arXiv:2107.02075 (202 1)","render_title":"Raclariu, arXiv preprint arXiv:2107.02075 (202 1)"},"hub":{"state":{"work_id":"b9ab802f-32e5-4369-95a5-9b1b8c5aa225","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":26,"external_cited_by_count":null,"distinct_field_count":2,"first_pith_cited_at":"2024-09-09T16:20:41+00:00","last_pith_cited_at":"2026-07-01T12:30:58+00:00","author_build_status":"not_needed","summary_status":"needed","contexts_status":"needed","graph_status":"needed","ask_index_status":"not_needed","reader_status":"not_needed","recognition_status":"not_needed","updated_at":"2026-07-06T06:58:56.720336+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":9}],"polarity_counts":[{"context_polarity":"background","n":9}],"runs":{},"summary":{},"graph":{},"authors":[]}}