{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:7V7ZSRQDL7XKQQXWPMTEB5FQ3C","short_pith_number":"pith:7V7ZSRQD","schema_version":"1.0","canonical_sha256":"fd7f9946035feea842f67b2640f4b0d889355ef9ab381e41ce89ea9ebc82ed02","source":{"kind":"arxiv","id":"1602.06646","version":3},"attestation_state":"computed","paper":{"title":"Constraints on $s-\\bar s$ asymmetry of the proton in chiral effective theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","hep-ph"],"primary_cat":"nucl-th","authors_text":"A.W. Thomas, Chueng-Ryong Ji, P. Wang, W. Melnitchouk, X.G. Wang, Y. Salamu","submitted_at":"2016-02-22T04:47:53Z","abstract_excerpt":"We compute the $s-\\bar s$ asymmetry in the proton in chiral effective theory, using phenomenological constraints based upon existing data. Unlike previous meson cloud model calculations, which accounted for kaon loop contributions with on-shell intermediate states alone, this work includes off-shell terms and contact interactions, which impact the shape of the $s-\\bar s$ difference. We identify a valence-like component of $s(x)$ which is balanced by a $\\delta$-function contribution to $\\bar s(x)$ at $x=0$, so that the integrals of $s$ and $\\bar s$ over the experimentally accessible region $x >"},"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":"1602.06646","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-02-22T04:47:53Z","cross_cats_sorted":["hep-lat","hep-ph"],"title_canon_sha256":"ded10a0cdf1d93607b89bf46fb860b271918c3f099cd0348ee8e5b41dcf518d9","abstract_canon_sha256":"368f5b369c7aa105793072a00e1417aa2932d9e8bd0f692b32ff0cad5b4d9e3f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:46.869029Z","signature_b64":"G/CwG+LuaP7eNb7YxXaf0cmn19V0gmcGM4AumNFrE6AMB61/Bi0ejpnOINf7pGpHpvbrykykBTkPaPq1zsCEBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd7f9946035feea842f67b2640f4b0d889355ef9ab381e41ce89ea9ebc82ed02","last_reissued_at":"2026-05-18T00:55:46.868426Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:46.868426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on $s-\\bar s$ asymmetry of the proton in chiral effective theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","hep-ph"],"primary_cat":"nucl-th","authors_text":"A.W. Thomas, Chueng-Ryong Ji, P. Wang, W. Melnitchouk, X.G. Wang, Y. Salamu","submitted_at":"2016-02-22T04:47:53Z","abstract_excerpt":"We compute the $s-\\bar s$ asymmetry in the proton in chiral effective theory, using phenomenological constraints based upon existing data. Unlike previous meson cloud model calculations, which accounted for kaon loop contributions with on-shell intermediate states alone, this work includes off-shell terms and contact interactions, which impact the shape of the $s-\\bar s$ difference. We identify a valence-like component of $s(x)$ which is balanced by a $\\delta$-function contribution to $\\bar s(x)$ at $x=0$, so that the integrals of $s$ and $\\bar s$ over the experimentally accessible region $x >"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06646","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":"1602.06646","created_at":"2026-05-18T00:55:46.868526+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.06646v3","created_at":"2026-05-18T00:55:46.868526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06646","created_at":"2026-05-18T00:55:46.868526+00:00"},{"alias_kind":"pith_short_12","alias_value":"7V7ZSRQDL7XK","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_16","alias_value":"7V7ZSRQDL7XKQQXW","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_8","alias_value":"7V7ZSRQD","created_at":"2026-05-18T12:30:04.600751+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.07717","citing_title":"Probing nonperturbative transverse momentum dependent PDFs with chiral perturbation theory: the $\\bar{d}-\\bar{u}$ asymmetry","ref_index":50,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C","json":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C.json","graph_json":"https://pith.science/api/pith-number/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/graph.json","events_json":"https://pith.science/api/pith-number/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/events.json","paper":"https://pith.science/paper/7V7ZSRQD"},"agent_actions":{"view_html":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C","download_json":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C.json","view_paper":"https://pith.science/paper/7V7ZSRQD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.06646&json=true","fetch_graph":"https://pith.science/api/pith-number/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/graph.json","fetch_events":"https://pith.science/api/pith-number/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/action/storage_attestation","attest_author":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/action/author_attestation","sign_citation":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/action/citation_signature","submit_replication":"https://pith.science/pith/7V7ZSRQDL7XKQQXWPMTEB5FQ3C/action/replication_record"}},"created_at":"2026-05-18T00:55:46.868526+00:00","updated_at":"2026-05-18T00:55:46.868526+00:00"}