{"paper":{"title":"Nonlinear Response of Schwarzschild Black Holes at Arbitrary Perturbative Order","arxiv_id":"2610.27048","primary_cat":"gr-qc","submitted_at":"2026-10-19T17:59:33+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":0.86,"id":"s0","own":true,"role":"contribution","text":"We establish recursive integration-by-parts identities that symbolically reduce the inhomogeneous solutions of the Regge-Wheeler-Zerilli equation to a small set of master integrals, yielding the nonlinear response kernels of Schwarzschild black holes at arbitrary perturbative order.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.84,"quantitative":false,"quantitative_p":0.14,"role_probabilities":{"gap":0.0,"method":0.06,"result":0.08,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.86,"interpretation":0.0}},{"i":1,"p":0.74,"id":"s1","own":true,"role":"method","text":"We further derive a closed ODE system that enables rapid, accurate, and stable numerical evaluation of these master integrals.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.1,"quantitative":false,"quantitative_p":0.12,"role_probabilities":{"gap":0.0,"method":0.74,"result":0.02,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.24,"interpretation":0.0}},{"i":2,"p":0.77,"id":"s2","own":true,"role":"result","text":"To demonstrate our result, we compute quadratic, cubic, and quartic quasinormal-mode coupling coefficients as special cases of the response kernels.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.1,"quantitative":true,"quantitative_p":0.51,"role_probabilities":{"gap":0.0,"method":0.05,"result":0.77,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.18,"interpretation":0.0}}]},"compiled":{"main_claim":{"p":1.0,"text":"We establish recursive integration-by-parts identities that symbolically reduce the inhomogeneous solutions of the Regge-Wheeler-Zerilli equation to a small set of master integrals, yielding the nonlinear response kernels of Schwarzschild black holes at arbitrary perturbative order.","location":"abstract s0","hedge_strength":{"p":1.0,"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":3008,"cost_usd_reported":0.0},"compiled_at":"2026-10-21","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13.0","abstract_states":{"claims_first":0.05,"states_limitation":0.06,"human_participants":0.01,"controlled_comparison":0.02,"randomized_assignment":0.01,"states_quantitative_result":0.11,"compares_with_prior_results":0.06,"mentions_code_or_data_availability":0.03},"evidential_basis":{"p":1.0,"value":"proof or derivation","probabilities":{"argument":0.0,"literature":0.0,"proof_or_derivation":1.0,"analysis_of_existing_data":0.0,"observation_or_experiment":0.0,"simulation_or_computation":0.0}},"contribution_type":{"p":0.51,"value":"theoretical result","probabilities":{"review":0.0,"method_or_tool":0.49,"empirical_study":0.0,"simulation_study":0.0,"theoretical_result":0.51,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":1.0,"text":"We establish recursive integration-by-parts identities that symbolically reduce the inhomogeneous solutions of the Regge-Wheeler-Zerilli equation to a small set of master integrals, yielding the nonlinear response kernels of Schwarzschild black holes at arbitrary perturbative order.","location":"abstract s0"}},"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":3,"sentences_in_abstract":3},"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}}