{"work":{"id":"6e63fb46-9be1-49e3-a08a-9db5ca298be8","openalex_id":null,"doi":null,"arxiv_id":"2006.16182","raw_key":null,"title":"Allahverdi et al.,The First Three Seconds: a Review of Possible Expansion Histories of the Early Universe, Open J","authors":null,"authors_text":"R","year":2021,"venue":null,"abstract":null,"external_url":"https://arxiv.org/abs/2006.16182","cited_by_count":null,"metadata_source":"arxiv_reference","metadata_fetched_at":"2026-05-21T13:20:11.057640+00:00","pith_arxiv_id":null,"created_at":"2026-05-11T02:45:55.753275+00:00","updated_at":"2026-06-05T21:23:00.469572+00:00","title_quality_ok":false,"display_title":"Allahverdi et al.,The First Three Seconds: a Review of Possible Expansion Histories of the Early Universe, Open J","render_title":"Allahverdi et al.,The First Three Seconds: a Review of Possible Expansion Histories of the Early Universe, Open J"},"hub":{"state":{"work_id":"6e63fb46-9be1-49e3-a08a-9db5ca298be8","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":12,"external_cited_by_count":null,"distinct_field_count":3,"first_pith_cited_at":"2020-02-27T05:17:54+00:00","last_pith_cited_at":"2026-05-19T13:18:35+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":"2026-06-08T04:52:56.969667+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":8},{"context_role":"method","n":1}],"polarity_counts":[{"context_polarity":"background","n":8},{"context_polarity":"use_method","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}