{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:6OPXQ3WLSGZAW7G74UOQFKAOXG","short_pith_number":"pith:6OPXQ3WL","schema_version":"1.0","canonical_sha256":"f39f786ecb91b20b7cdfe51d02a80eb9852d65ed14fea785ff16dae1d30fad82","source":{"kind":"arxiv","id":"1602.01502","version":1},"attestation_state":"computed","paper":{"title":"Valence-quark distribution functions in the kaon and pion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Chen Chen, Craig D. Roberts, Hong-shi Zong, Lei Chang, Shaolong Wan","submitted_at":"2016-02-03T22:39:15Z","abstract_excerpt":"We describe expressions for pion and kaon dressed-quark distribution functions that incorporate contributions from gluons which bind quarks into these mesons and hence overcome a flaw of the commonly used handbag approximation. The distributions therewith obtained are purely valence in character, ensuring that dressed-quarks carry all a meson's momentum at a characteristic hadronic scale and vanishing as $(1-x)^2$ when Bjorken-$x\\to 1$. Comparing such distributions within the pion and kaon, it is apparent that the size of SU(3)-flavour symmetry breaking in meson parton distribution functions i"},"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":"1602.01502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-02-03T22:39:15Z","cross_cats_sorted":["hep-ex","hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"3a52c1e106a6692feca9c23d6e5435f045288ada8c324c59936c635bee8d7aeb","abstract_canon_sha256":"24bb6e08d96c8aedfa85313670c6816d587b2d8bb904abfbe2bbc5b7fd079adc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:14.314876Z","signature_b64":"R+qNGPzFH2t7qF2PT3VerCk/7pAGlsWC1hGaQMqtroaJ0EOLzAHA9CIumA21Fe3l68arvcyrQzVvXfFKyNs2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f39f786ecb91b20b7cdfe51d02a80eb9852d65ed14fea785ff16dae1d30fad82","last_reissued_at":"2026-05-18T01:16:14.314216Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:14.314216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Valence-quark distribution functions in the kaon and pion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Chen Chen, Craig D. Roberts, Hong-shi Zong, Lei Chang, Shaolong Wan","submitted_at":"2016-02-03T22:39:15Z","abstract_excerpt":"We describe expressions for pion and kaon dressed-quark distribution functions that incorporate contributions from gluons which bind quarks into these mesons and hence overcome a flaw of the commonly used handbag approximation. The distributions therewith obtained are purely valence in character, ensuring that dressed-quarks carry all a meson's momentum at a characteristic hadronic scale and vanishing as $(1-x)^2$ when Bjorken-$x\\to 1$. Comparing such distributions within the pion and kaon, it is apparent that the size of SU(3)-flavour symmetry breaking in meson parton distribution functions i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01502","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":"1602.01502","created_at":"2026-05-18T01:16:14.314329+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.01502v1","created_at":"2026-05-18T01:16:14.314329+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01502","created_at":"2026-05-18T01:16:14.314329+00:00"},{"alias_kind":"pith_short_12","alias_value":"6OPXQ3WLSGZA","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_16","alias_value":"6OPXQ3WLSGZAW7G7","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_8","alias_value":"6OPXQ3WL","created_at":"2026-05-18T12:30:01.593930+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":4,"sample":[{"citing_arxiv_id":"2512.24921","citing_title":"Valence quark distribution of the pion inside a medium with finite baryon density: A Nambu--Jona-Lasinio model approach","ref_index":46,"is_internal_anchor":true},{"citing_arxiv_id":"2512.06121","citing_title":"Pion and Kaon PDFs from Lattice QCD via Large Momentum Effective Theory and Short-Distance Factorization","ref_index":12,"is_internal_anchor":true},{"citing_arxiv_id":"2605.17389","citing_title":"An Analysis on the Parton Distribution Functions of Heavy Mesons","ref_index":99,"is_internal_anchor":true},{"citing_arxiv_id":"2602.10775","citing_title":"Unified Description of Pseudoscalar Meson Structure from Light to Heavy Quarks","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG","json":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG.json","graph_json":"https://pith.science/api/pith-number/6OPXQ3WLSGZAW7G74UOQFKAOXG/graph.json","events_json":"https://pith.science/api/pith-number/6OPXQ3WLSGZAW7G74UOQFKAOXG/events.json","paper":"https://pith.science/paper/6OPXQ3WL"},"agent_actions":{"view_html":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG","download_json":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG.json","view_paper":"https://pith.science/paper/6OPXQ3WL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.01502&json=true","fetch_graph":"https://pith.science/api/pith-number/6OPXQ3WLSGZAW7G74UOQFKAOXG/graph.json","fetch_events":"https://pith.science/api/pith-number/6OPXQ3WLSGZAW7G74UOQFKAOXG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG/action/storage_attestation","attest_author":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG/action/author_attestation","sign_citation":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG/action/citation_signature","submit_replication":"https://pith.science/pith/6OPXQ3WLSGZAW7G74UOQFKAOXG/action/replication_record"}},"created_at":"2026-05-18T01:16:14.314329+00:00","updated_at":"2026-05-18T01:16:14.314329+00:00"}