{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:V3JJRDEM6ZWN4SA33UFSWXITOO","short_pith_number":"pith:V3JJRDEM","schema_version":"1.0","canonical_sha256":"aed2988c8cf66cde481bdd0b2b5d1373869a5be02655247aa54fe6564759ebe3","source":{"kind":"arxiv","id":"1810.00099","version":1},"attestation_state":"computed","paper":{"title":"Recent progress in Nuclear Parton Distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Pia Zurita","submitted_at":"2018-09-28T21:57:24Z","abstract_excerpt":"The determination of the parton distribution functions (PDFs) is crucial for a complete understanding of the protons and neutrons that make most of the visible matter in the universe. Years of dedicated studies have yielded a quite precise knowledge of the behavior of partons moving collinearly within a proton. However Deep Inelastic Scattering (DIS) experiments off nuclei have shown a non-trivial difference with respect to DIS in protons, hinting that the partons in a nuclear medium do not behave the same way as in a free proton. In this work we will discuss the latest results in nuclear part"},"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":"1810.00099","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-28T21:57:24Z","cross_cats_sorted":[],"title_canon_sha256":"609a7fb48ca05198cf9879d724f543921d608b485af8a162e00dbc95fcdef39f","abstract_canon_sha256":"8024433488bd52980e4fdba108f6bb2dcf98f18eca3575916a6876ac7bcbde05"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:28.791159Z","signature_b64":"zBZCIAlSxqV61N9+FpC2VgtZgOHqVmEp6ZplkJOYo+CYcEsQ97eVaGDZ1ydGmSlOnNbzOrO1ZtQzexOU3s8fAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aed2988c8cf66cde481bdd0b2b5d1373869a5be02655247aa54fe6564759ebe3","last_reissued_at":"2026-05-18T00:04:28.790550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:28.790550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Recent progress in Nuclear Parton Distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Pia Zurita","submitted_at":"2018-09-28T21:57:24Z","abstract_excerpt":"The determination of the parton distribution functions (PDFs) is crucial for a complete understanding of the protons and neutrons that make most of the visible matter in the universe. Years of dedicated studies have yielded a quite precise knowledge of the behavior of partons moving collinearly within a proton. However Deep Inelastic Scattering (DIS) experiments off nuclei have shown a non-trivial difference with respect to DIS in protons, hinting that the partons in a nuclear medium do not behave the same way as in a free proton. In this work we will discuss the latest results in nuclear part"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00099","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":"1810.00099","created_at":"2026-05-18T00:04:28.790644+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.00099v1","created_at":"2026-05-18T00:04:28.790644+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00099","created_at":"2026-05-18T00:04:28.790644+00:00"},{"alias_kind":"pith_short_12","alias_value":"V3JJRDEM6ZWN","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"V3JJRDEM6ZWN4SA3","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"V3JJRDEM","created_at":"2026-05-18T12:32:56.356000+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/V3JJRDEM6ZWN4SA33UFSWXITOO","json":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO.json","graph_json":"https://pith.science/api/pith-number/V3JJRDEM6ZWN4SA33UFSWXITOO/graph.json","events_json":"https://pith.science/api/pith-number/V3JJRDEM6ZWN4SA33UFSWXITOO/events.json","paper":"https://pith.science/paper/V3JJRDEM"},"agent_actions":{"view_html":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO","download_json":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO.json","view_paper":"https://pith.science/paper/V3JJRDEM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.00099&json=true","fetch_graph":"https://pith.science/api/pith-number/V3JJRDEM6ZWN4SA33UFSWXITOO/graph.json","fetch_events":"https://pith.science/api/pith-number/V3JJRDEM6ZWN4SA33UFSWXITOO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO/action/storage_attestation","attest_author":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO/action/author_attestation","sign_citation":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO/action/citation_signature","submit_replication":"https://pith.science/pith/V3JJRDEM6ZWN4SA33UFSWXITOO/action/replication_record"}},"created_at":"2026-05-18T00:04:28.790644+00:00","updated_at":"2026-05-18T00:04:28.790644+00:00"}