{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:TBOCEDMZSJRECX4FXIVDYR7MDD","short_pith_number":"pith:TBOCEDMZ","schema_version":"1.0","canonical_sha256":"985c220d999262415f85ba2a3c47ec18cd0592185b2be833f4ba5060daf71e7c","source":{"kind":"arxiv","id":"2608.03417","version":1},"attestation_state":"computed","paper":{"title":"Evidence of the $e^+ e^-\\to f_1(1285)$ reaction with the CMD-3 detector at VEPP-2000","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A. Grebenuk, A.A. Korobov, A.A. Ruban, A.A. Talyshev, A.E. Bondar, A.E. Ryzhenenkov, A.I. Vorobiov, A.L. Erofeev, A.N. Amirkhanov, A.N. Kozyrev, A.O. Gorkovenko, A.S. Kasaev, A.S. Kuzmin, A.S. Popov, A.V. Anisenkov, A.V. Bragin, A.V. Semenov, B.A. Shwartz, D.A. Epifanov, D.B. Shwartz, D.E. Berkaev, D.E. Chistyakov, D.N. Grigoriev, D.N. Shemyakin, D.S. Zhadan, E.A. Eminov, E.P. Solodov, E.V. Bedarev, F.V. Ignatov, G.V. Fedotovich, I.A. Koop, I.B. Logashenko, I.V. Obraztsov, K.Yu. Mikhailov, L.B. Epshteyn, L.B. Fomin, M.V. Timoshenko, N.A. Petrov, N.S. Bashtovoy, P.A. Lukin, P.P. Krokovny, R.R. Akhmetshin, S.A. Rastigeev, S.S. Gribanov, S.S. Tolmachev, S.V. Karpov, T.A. Kuznetsov, V.E. Shebalin, V.F. Kazanin, V.G. Petrochenko, V.L. Ivanov, V.M. Aulchenko, V.M. Titov, V.S. Denisov, Yu.A. Rogovsky, Yu.V. Yudin","submitted_at":"2026-08-04T10:10:00Z","abstract_excerpt":"A search for the $e^+ e^-\\to f_1(1285)$ reaction is performed with the CMD-3 detector at the VEPP-2000 collider. Data from a scan in the center-of-mass energy range Ec.m.=1.20--1.36 GeV with 109.1 pb$^{-1}$ of the integrated luminosity is used. A dedicated 51.7 pb$^{-1}$ have been collected at the $f_1(1285)$ resonance peak energy Ec.m.=1282 MeV, where $26.5 \\pm 7.4$ events have been found in the $e^+ e^-\\to\\eta\\pi^0\\pi^0$ reaction. No indication of the signal is observed in the scan data. We interpret the result as 4.5$\\sigma$ evidence of the C-even resonance production in the $e^+ e^-\\to f_1"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2608.03417","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ex","submitted_at":"2026-08-04T10:10:00Z","cross_cats_sorted":[],"title_canon_sha256":"fb467f4f8542e41ab7f558206f48b76afc97cd776ca7d174aff8498d0acc2fbf","abstract_canon_sha256":"8177c986b485a46de880f1097553f80130627d0210035cb82d1d689182dae9c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-05T01:35:48.579018Z","signature_b64":"6xVhd+YNDOkjIcrVBs3Sz2tHx5bG0N2jTCtjjwXY/oa94+9ZI1apXiUoqqn1tXBoZA8YJiHIWFPBgaiqwimcBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"985c220d999262415f85ba2a3c47ec18cd0592185b2be833f4ba5060daf71e7c","last_reissued_at":"2026-08-05T01:35:48.577655Z","signature_status":"signed_v1","first_computed_at":"2026-08-05T01:35:48.577655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence of the $e^+ e^-\\to f_1(1285)$ reaction with the CMD-3 detector at VEPP-2000","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A. Grebenuk, A.A. Korobov, A.A. Ruban, A.A. Talyshev, A.E. Bondar, A.E. Ryzhenenkov, A.I. Vorobiov, A.L. Erofeev, A.N. Amirkhanov, A.N. Kozyrev, A.O. Gorkovenko, A.S. Kasaev, A.S. Kuzmin, A.S. Popov, A.V. Anisenkov, A.V. Bragin, A.V. Semenov, B.A. Shwartz, D.A. Epifanov, D.B. Shwartz, D.E. Berkaev, D.E. Chistyakov, D.N. Grigoriev, D.N. Shemyakin, D.S. Zhadan, E.A. Eminov, E.P. Solodov, E.V. Bedarev, F.V. Ignatov, G.V. Fedotovich, I.A. Koop, I.B. Logashenko, I.V. Obraztsov, K.Yu. Mikhailov, L.B. Epshteyn, L.B. Fomin, M.V. Timoshenko, N.A. Petrov, N.S. Bashtovoy, P.A. Lukin, P.P. Krokovny, R.R. Akhmetshin, S.A. Rastigeev, S.S. Gribanov, S.S. Tolmachev, S.V. Karpov, T.A. Kuznetsov, V.E. Shebalin, V.F. Kazanin, V.G. Petrochenko, V.L. Ivanov, V.M. Aulchenko, V.M. Titov, V.S. Denisov, Yu.A. Rogovsky, Yu.V. Yudin","submitted_at":"2026-08-04T10:10:00Z","abstract_excerpt":"A search for the $e^+ e^-\\to f_1(1285)$ reaction is performed with the CMD-3 detector at the VEPP-2000 collider. Data from a scan in the center-of-mass energy range Ec.m.=1.20--1.36 GeV with 109.1 pb$^{-1}$ of the integrated luminosity is used. A dedicated 51.7 pb$^{-1}$ have been collected at the $f_1(1285)$ resonance peak energy Ec.m.=1282 MeV, where $26.5 \\pm 7.4$ events have been found in the $e^+ e^-\\to\\eta\\pi^0\\pi^0$ reaction. No indication of the signal is observed in the scan data. We interpret the result as 4.5$\\sigma$ evidence of the C-even resonance production in the $e^+ e^-\\to f_1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.03417","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.03417/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2608.03417","created_at":"2026-08-05T01:35:48.578068+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.03417v1","created_at":"2026-08-05T01:35:48.578068+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.03417","created_at":"2026-08-05T01:35:48.578068+00:00"},{"alias_kind":"pith_short_12","alias_value":"TBOCEDMZSJRE","created_at":"2026-08-05T01:35:48.578068+00:00"},{"alias_kind":"pith_short_16","alias_value":"TBOCEDMZSJRECX4F","created_at":"2026-08-05T01:35:48.578068+00:00"},{"alias_kind":"pith_short_8","alias_value":"TBOCEDMZ","created_at":"2026-08-05T01:35:48.578068+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD","json":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD.json","graph_json":"https://pith.science/api/pith-number/TBOCEDMZSJRECX4FXIVDYR7MDD/graph.json","events_json":"https://pith.science/api/pith-number/TBOCEDMZSJRECX4FXIVDYR7MDD/events.json","paper":"https://pith.science/paper/TBOCEDMZ"},"agent_actions":{"view_html":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD","download_json":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD.json","view_paper":"https://pith.science/paper/TBOCEDMZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.03417&json=true","fetch_graph":"https://pith.science/api/pith-number/TBOCEDMZSJRECX4FXIVDYR7MDD/graph.json","fetch_events":"https://pith.science/api/pith-number/TBOCEDMZSJRECX4FXIVDYR7MDD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD/action/storage_attestation","attest_author":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD/action/author_attestation","sign_citation":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD/action/citation_signature","submit_replication":"https://pith.science/pith/TBOCEDMZSJRECX4FXIVDYR7MDD/action/replication_record"}},"created_at":"2026-08-05T01:35:48.578068+00:00","updated_at":"2026-08-05T01:35:48.578068+00:00"}