{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:MSDPYCMPYYZ3HKJKFUFYJAITXN","short_pith_number":"pith:MSDPYCMP","schema_version":"1.0","canonical_sha256":"6486fc098fc633b3a92a2d0b848113bb7d27b697e5fc1373d4f8f7a190c0ddf1","source":{"kind":"arxiv","id":"1903.11013","version":3},"attestation_state":"computed","paper":{"title":"Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Rui Chen, Shi-Lin Zhu, Xiang Liu, Zhi-Feng Sun","submitted_at":"2019-03-26T16:53:11Z","abstract_excerpt":"On March 26th, 2019, at the Rencontres de Moriond QCD conference, the LHCb Collaboration reported the observation of three new pentaquarks, namely $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$, which are consistent with the loosely bound molecular hidden-charm pentaquark states composed of an S-wave charmed baryon $\\Sigma_c$ and an S-wave anti-charmed meson ($\\bar{D}, \\bar{D}^*$). In this work, we present a direct calculation by the one-boson-exchange (OBE) model and demonstrate explicitly that the $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ do correspond to the loosely bound $\\Sigma_c\\bar{D}$ with $("},"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":"1903.11013","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-03-26T16:53:11Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-th"],"title_canon_sha256":"3c3e54e8f1f176359f7194c9670c48f2236e83da5e66cdadf968875558080280","abstract_canon_sha256":"db24d46ab3e3d81a50e40f94144ae697ceaba7be409562ee819d8dcd599c10db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:32.954218Z","signature_b64":"OqgQyV5owineJJ0cknHnzVxjg7ZO135y15vURTuVSG5DPYZcKyodInoQxre++AkAFjt9hNG4YXl41Dw3Uf9DBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6486fc098fc633b3a92a2d0b848113bb7d27b697e5fc1373d4f8f7a190c0ddf1","last_reissued_at":"2026-05-17T23:40:32.953786Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:32.953786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Rui Chen, Shi-Lin Zhu, Xiang Liu, Zhi-Feng Sun","submitted_at":"2019-03-26T16:53:11Z","abstract_excerpt":"On March 26th, 2019, at the Rencontres de Moriond QCD conference, the LHCb Collaboration reported the observation of three new pentaquarks, namely $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$, which are consistent with the loosely bound molecular hidden-charm pentaquark states composed of an S-wave charmed baryon $\\Sigma_c$ and an S-wave anti-charmed meson ($\\bar{D}, \\bar{D}^*$). In this work, we present a direct calculation by the one-boson-exchange (OBE) model and demonstrate explicitly that the $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ do correspond to the loosely bound $\\Sigma_c\\bar{D}$ with $("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11013","kind":"arxiv","version":3},"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":"1903.11013","created_at":"2026-05-17T23:40:32.953844+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.11013v3","created_at":"2026-05-17T23:40:32.953844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11013","created_at":"2026-05-17T23:40:32.953844+00:00"},{"alias_kind":"pith_short_12","alias_value":"MSDPYCMPYYZ3","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"MSDPYCMPYYZ3HKJK","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"MSDPYCMP","created_at":"2026-05-18T12:33:24.271573+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.04821","citing_title":"Study of the molecular Properties of the $P_c$ and $P_{cs}$ States","ref_index":19,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN","json":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN.json","graph_json":"https://pith.science/api/pith-number/MSDPYCMPYYZ3HKJKFUFYJAITXN/graph.json","events_json":"https://pith.science/api/pith-number/MSDPYCMPYYZ3HKJKFUFYJAITXN/events.json","paper":"https://pith.science/paper/MSDPYCMP"},"agent_actions":{"view_html":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN","download_json":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN.json","view_paper":"https://pith.science/paper/MSDPYCMP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.11013&json=true","fetch_graph":"https://pith.science/api/pith-number/MSDPYCMPYYZ3HKJKFUFYJAITXN/graph.json","fetch_events":"https://pith.science/api/pith-number/MSDPYCMPYYZ3HKJKFUFYJAITXN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN/action/storage_attestation","attest_author":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN/action/author_attestation","sign_citation":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN/action/citation_signature","submit_replication":"https://pith.science/pith/MSDPYCMPYYZ3HKJKFUFYJAITXN/action/replication_record"}},"created_at":"2026-05-17T23:40:32.953844+00:00","updated_at":"2026-05-17T23:40:32.953844+00:00"}