{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:QVDNKYC5QPAK4G3GKZV5U3AX7F","short_pith_number":"pith:QVDNKYC5","schema_version":"1.0","canonical_sha256":"8546d5605d83c0ae1b66566bda6c17f960860b04bae309561fe40675b85fb9e7","source":{"kind":"arxiv","id":"1311.0762","version":1},"attestation_state":"computed","paper":{"title":"Observation of $Z_c(3900)$ both by BESIII and Belle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Zhiqing Liu","submitted_at":"2013-11-04T16:39:57Z","abstract_excerpt":"Using $525$ pb$^{-1}$ data collected with the BESIII detector at $e^+e^-$ central-of-mass energy 4.26 GeV, the BESIII Collaboration observed a charged charmoniumlike state $Z_c(3900)\\to\\pi^{\\pm}J/\\psi$ with mass $M[Z_c(3900)]=3899.0\\pm 3.6 \\pm 4.9$ MeV/c$^2$, and width $\\Gamma[Z_c(3900)]=46\\pm 10 \\pm 20$ MeV. The significance of this state was estimated to be $>8\\sigma$ in all kinds of systematic tests. Using $967$ fb$^{-1}$ data recorded by the Belle detector on or near $\\Upsilon(nS)$, n=1, 2, $\\cdots$, 5 resonances, the $e^+e^- \\to \\pi^+\\pi^-J/\\psi$ process has been studied through initial-s"},"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":"1311.0762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-11-04T16:39:57Z","cross_cats_sorted":[],"title_canon_sha256":"53a8fb79f4ae463e8df728e2018103545bfe7ac16737ff72a6078afe0d9fea9d","abstract_canon_sha256":"e37a93a7e67c13467047431f42a946ec24811eb6c88c3435d87c3d37ba8c3d70"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:04.872861Z","signature_b64":"xNrvLWOEvrVdlVsL0zoNtgnF0dv5S+9r8N1cVuJIDTYA6L1M1q1R1mmuqJG4vhqHO6tma+JMQiJKykxTHaulBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8546d5605d83c0ae1b66566bda6c17f960860b04bae309561fe40675b85fb9e7","last_reissued_at":"2026-05-18T03:08:04.871996Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:04.871996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of $Z_c(3900)$ both by BESIII and Belle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Zhiqing Liu","submitted_at":"2013-11-04T16:39:57Z","abstract_excerpt":"Using $525$ pb$^{-1}$ data collected with the BESIII detector at $e^+e^-$ central-of-mass energy 4.26 GeV, the BESIII Collaboration observed a charged charmoniumlike state $Z_c(3900)\\to\\pi^{\\pm}J/\\psi$ with mass $M[Z_c(3900)]=3899.0\\pm 3.6 \\pm 4.9$ MeV/c$^2$, and width $\\Gamma[Z_c(3900)]=46\\pm 10 \\pm 20$ MeV. The significance of this state was estimated to be $>8\\sigma$ in all kinds of systematic tests. Using $967$ fb$^{-1}$ data recorded by the Belle detector on or near $\\Upsilon(nS)$, n=1, 2, $\\cdots$, 5 resonances, the $e^+e^- \\to \\pi^+\\pi^-J/\\psi$ process has been studied through initial-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0762","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":""},"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":"1311.0762","created_at":"2026-05-18T03:08:04.872252+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.0762v1","created_at":"2026-05-18T03:08:04.872252+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0762","created_at":"2026-05-18T03:08:04.872252+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVDNKYC5QPAK","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVDNKYC5QPAK4G3G","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVDNKYC5","created_at":"2026-05-18T12:27:57.521954+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/QVDNKYC5QPAK4G3GKZV5U3AX7F","json":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F.json","graph_json":"https://pith.science/api/pith-number/QVDNKYC5QPAK4G3GKZV5U3AX7F/graph.json","events_json":"https://pith.science/api/pith-number/QVDNKYC5QPAK4G3GKZV5U3AX7F/events.json","paper":"https://pith.science/paper/QVDNKYC5"},"agent_actions":{"view_html":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F","download_json":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F.json","view_paper":"https://pith.science/paper/QVDNKYC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.0762&json=true","fetch_graph":"https://pith.science/api/pith-number/QVDNKYC5QPAK4G3GKZV5U3AX7F/graph.json","fetch_events":"https://pith.science/api/pith-number/QVDNKYC5QPAK4G3GKZV5U3AX7F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F/action/storage_attestation","attest_author":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F/action/author_attestation","sign_citation":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F/action/citation_signature","submit_replication":"https://pith.science/pith/QVDNKYC5QPAK4G3GKZV5U3AX7F/action/replication_record"}},"created_at":"2026-05-18T03:08:04.872252+00:00","updated_at":"2026-05-18T03:08:04.872252+00:00"}