{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:2IMOBLALIHCBTHUOFWHPAMVYLO","short_pith_number":"pith:2IMOBLAL","schema_version":"1.0","canonical_sha256":"d218e0ac0b41c4199e8e2d8ef032b85b9eed78e70a0b753f7c5b1f7b1be3d222","source":{"kind":"arxiv","id":"2303.01789","version":2},"attestation_state":"computed","paper":{"title":"The valence quark, sea, and gluon content of the pion from the parton distribution functions and the electromagnetic form factor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Barbara Pasquini (Pavia U & INFN-Pavia), CPHT), Simone Rodini (\\'Ecole Polytechnique, Simone Venturini (Pavia U & INFN-Pavia)","submitted_at":"2023-03-03T08:57:35Z","abstract_excerpt":"We present a light-front model calculation of the pion parton distribution functions (PDFs) and the pion electromagnetic form factor. The pion state is modeled in terms of light-front wave functions (LFWFs) for the $q\\bar q$, $q\\bar q q\\bar q$, $q\\bar q g$, and $q\\bar q gg$ components. We design the LFWFs so that the parameters in the longitudinal and transverse momentum space enter separately in the fit of the pion PDFs and the electromagnetic form factor, respectively. We extract the pion PDFs within the xFitter framework using available Drell-Yan and photon-production data. With the obtaine"},"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":"2303.01789","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-03T08:57:35Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"1423b958fb41ed3a924319bc0c175437ee996af437ba5de032c4b9107bc3c00e","abstract_canon_sha256":"0263ee2ee65ee4f6d7a958e24f933cdf1d93798f881f6800d61b91509eed8881"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:25:21.780727Z","signature_b64":"GeHITZOikufMKj6Wmm6jk7ztKNq3SiAxudKywyu4OyzGWLO8XHCWljtzP0S2uw3wTXRG7Wmbgn5ggPE9nQhvCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d218e0ac0b41c4199e8e2d8ef032b85b9eed78e70a0b753f7c5b1f7b1be3d222","last_reissued_at":"2026-07-05T06:25:21.780240Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:25:21.780240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The valence quark, sea, and gluon content of the pion from the parton distribution functions and the electromagnetic form factor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Barbara Pasquini (Pavia U & INFN-Pavia), CPHT), Simone Rodini (\\'Ecole Polytechnique, Simone Venturini (Pavia U & INFN-Pavia)","submitted_at":"2023-03-03T08:57:35Z","abstract_excerpt":"We present a light-front model calculation of the pion parton distribution functions (PDFs) and the pion electromagnetic form factor. The pion state is modeled in terms of light-front wave functions (LFWFs) for the $q\\bar q$, $q\\bar q q\\bar q$, $q\\bar q g$, and $q\\bar q gg$ components. We design the LFWFs so that the parameters in the longitudinal and transverse momentum space enter separately in the fit of the pion PDFs and the electromagnetic form factor, respectively. We extract the pion PDFs within the xFitter framework using available Drell-Yan and photon-production data. With the obtaine"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01789","kind":"arxiv","version":2},"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/2303.01789/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":"2303.01789","created_at":"2026-07-05T06:25:21.780296+00:00"},{"alias_kind":"arxiv_version","alias_value":"2303.01789v2","created_at":"2026-07-05T06:25:21.780296+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01789","created_at":"2026-07-05T06:25:21.780296+00:00"},{"alias_kind":"pith_short_12","alias_value":"2IMOBLALIHCB","created_at":"2026-07-05T06:25:21.780296+00:00"},{"alias_kind":"pith_short_16","alias_value":"2IMOBLALIHCBTHUO","created_at":"2026-07-05T06:25:21.780296+00:00"},{"alias_kind":"pith_short_8","alias_value":"2IMOBLAL","created_at":"2026-07-05T06:25:21.780296+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.17389","citing_title":"An Analysis on the Parton Distribution Functions of Heavy Mesons","ref_index":85,"is_internal_anchor":false},{"citing_arxiv_id":"2605.13422","citing_title":"Pion parton distribution functions and pion-nucleus induced $J/\\psi$ production in extended light-front holographic QCD","ref_index":15,"is_internal_anchor":false},{"citing_arxiv_id":"2605.13422","citing_title":"Pion parton distribution functions and pion-nucleus induced $J/\\psi$ production in extended light-front holographic QCD","ref_index":15,"is_internal_anchor":false},{"citing_arxiv_id":"2604.11646","citing_title":"All-charm tetraquarks at hadron colliders: A high-precision fragmentation perspective","ref_index":112,"is_internal_anchor":false},{"citing_arxiv_id":"2604.11116","citing_title":"Extraction of Pion Unpolarized Quark Generalized Parton Distribution from Charge Form Factors","ref_index":31,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO","json":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO.json","graph_json":"https://pith.science/api/pith-number/2IMOBLALIHCBTHUOFWHPAMVYLO/graph.json","events_json":"https://pith.science/api/pith-number/2IMOBLALIHCBTHUOFWHPAMVYLO/events.json","paper":"https://pith.science/paper/2IMOBLAL"},"agent_actions":{"view_html":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO","download_json":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO.json","view_paper":"https://pith.science/paper/2IMOBLAL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2303.01789&json=true","fetch_graph":"https://pith.science/api/pith-number/2IMOBLALIHCBTHUOFWHPAMVYLO/graph.json","fetch_events":"https://pith.science/api/pith-number/2IMOBLALIHCBTHUOFWHPAMVYLO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO/action/storage_attestation","attest_author":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO/action/author_attestation","sign_citation":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO/action/citation_signature","submit_replication":"https://pith.science/pith/2IMOBLALIHCBTHUOFWHPAMVYLO/action/replication_record"}},"created_at":"2026-07-05T06:25:21.780296+00:00","updated_at":"2026-07-05T06:25:21.780296+00:00"}