{"paper":{"title":"The THESAN-ZOOM project: the delayed rise of Lyman continuum escape fractions in bursty high-redshift galaxies","arxiv_id":"2610.30265","primary_cat":"astro-ph.GA","submitted_at":"2026-10-21T18:00:06+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":1.0,"id":"s0","own":false,"role":"background","text":"The ionizing radiation that galaxies release into their surroundings depends on whether efficient Lyman continuum (LyC) escape coincides with strong photon production.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.05,"main_claim_p":0.07,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":0.99,"id":"s1","own":false,"role":"background","text":"Stellar feedback can open escape paths as the source population fades, linking the escaping radiation to a galaxy's recent history.","hedge":{"p":0.89,"label":"asserted"},"own_p":0.09,"main_claim_p":0.12,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.99,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":2,"p":0.95,"id":"s2","own":true,"role":"method","text":"We investigate this timing in thirteen high-redshift (z > 3) target haloes from the THESAN-ZOOM radiation-hydrodynamic simulations, post-processed with COLT radiative transfer and sampled at ~10 Myr intervals.","hedge":{"p":0.91,"label":"asserted"},"own_p":0.95,"main_claim_p":0.03,"quantitative":true,"quantitative_p":0.97,"role_probabilities":{"gap":0.0,"method":0.95,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.05,"interpretation":0.0}},{"i":3,"p":1.0,"id":"s3","own":true,"role":"result","text":"The clearest delayed relationship links $\\text{SFR}_{10}/\\text{SFR}_{100}$ to the LyC escape fraction.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.91,"main_claim_p":0.43,"quantitative":false,"quantitative_p":0.16,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"Selecting the nearest positive cross-correlation peak gives typical lags of ~16 Myr and peak correlations of 0.4-0.6 in massive haloes, with longer and less coherent delays towards lower masses.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.2,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":5,"p":0.95,"id":"s5","own":true,"role":"result","text":"The fitted delays scale approximately as $M_\\star^{-0.19}$ and $M_\\text{halo}^{-0.27}$, although the shortest lags approach the native snapshot spacing.","hedge":{"p":0.81,"label":"asserted"},"own_p":0.94,"main_claim_p":0.09,"quantitative":true,"quantitative_p":0.97,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.95,"background":0.0,"limitation":0.05,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":6,"p":0.76,"id":"s6","own":true,"role":"result","text":"Recurrent variations span multiple amplitude-dependent timescales, consistent with repeated episodes of star formation and feedback.","hedge":{"p":0.88,"label":"hedged_possibility"},"own_p":0.88,"main_claim_p":0.09,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.76,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.24}},{"i":7,"p":0.57,"id":"s7","own":true,"role":"result","text":"Recent star formation closely tracks both intrinsic and escaping photon rates, while the escape fraction reflects the evolving gas transparency.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.81,"main_claim_p":0.12,"quantitative":false,"quantitative_p":0.17,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.57,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.43}},{"i":8,"p":0.92,"id":"s8","own":true,"role":"result","text":"The H$\\alpha$-to-UV luminosity ratio retains a delayed association with escape, offering an observable connection between burst phase and leakage.","hedge":{"p":0.95,"label":"asserted"},"own_p":0.86,"main_claim_p":0.07,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.92,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.08}},{"i":9,"p":0.56,"id":"s9","own":true,"role":"interpretation","text":"High transparency during a fading phase can nevertheless yield little escaping radiation.","hedge":{"p":0.69,"label":"asserted"},"own_p":0.68,"main_claim_p":0.11,"quantitative":false,"quantitative_p":0.08,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.44,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.56}},{"i":10,"p":1.0,"id":"s10","own":false,"role":"interpretation","text":"The temporal overlap of photon production and transmission therefore shapes both the amount and timing of escaping radiation, informing the interpretation of observed leakers and their contribution to cosmic reionization.","hedge":{"p":0.93,"label":"asserted"},"own_p":0.4,"main_claim_p":0.76,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":1.0}}]},"compiled":{"main_claim":{"p":0.94,"text":"The temporal overlap of photon production and transmission therefore shapes both the amount and timing of escaping radiation, informing the interpretation of observed leakers and their contribution to cosmic reionization.","location":"abstract s10","hedge_strength":{"p":0.93,"label":"asserted"}},"provenance":{"route":{"via":"TypeSafe API","model":"classifier-1.13.0","endpoint":"https://api.typesafe.ai/v1/systemone","provider":"TypeSafe"},"packing":"one request per paper","requests":1,"input_tokens":8323,"cost_usd_reported":0.0},"compiled_at":"2026-10-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13.0","abstract_states":{"claims_first":0.03,"states_limitation":0.88,"human_participants":0.01,"controlled_comparison":0.05,"randomized_assignment":0.01,"states_quantitative_result":0.98,"compares_with_prior_results":0.08,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":1.0,"value":"simulation or computation","probabilities":{"argument":0.0,"literature":0.0,"proof_or_derivation":0.0,"analysis_of_existing_data":0.0,"observation_or_experiment":0.0,"simulation_or_computation":1.0}},"contribution_type":{"p":1.0,"value":"simulation study","probabilities":{"review":0.0,"method_or_tool":0.0,"empirical_study":0.0,"simulation_study":1.0,"theoretical_result":0.0,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":1.0,"text":"We investigate this timing in thirteen high-redshift (z > 3) target haloes from the THESAN-ZOOM radiation-hydrodynamic simulations, post-processed with COLT radiative transfer and sampled at ~10 Myr intervals.","location":"abstract s2"}},"coverage":{"tier":"abstract","levels_run":["P abstract"],"not_examined":["full text","figures and tables","references and citing sentences","relations to other papers"],"sources_read":["arXiv listing abstract v1"],"levels_not_run":["S sections","T body sentences","C citations","R cross-paper relations"],"sentences_examined":11,"sentences_in_abstract":11},"measured_accuracy":{"url":"https://pith.science/accuracy","measured_on":"2026-10-02","method":"two independent model families labelled a fresh random sample blind; the figure is how often the published label matches their consensus","sentence_role_agreement":0.92,"main_claim_agreement":0.908,"typed_citation_agreement":0.933,"typed_citation_agreement_95_interval":[0.917,0.945],"review_comments_accurate":0.758,"review_comments_accurate_95_interval":[0.684,0.82],"review_caught_admitted_error_found_or_related":0.448}}