{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:UDFH74UPZZXD52XJPEJF2GOH5P","short_pith_number":"pith:UDFH74UP","schema_version":"1.0","canonical_sha256":"a0ca7ff28fce6e3eeae979125d19c7ebe36abbbccf5d246f6a083106cd10c9d9","source":{"kind":"arxiv","id":"2005.06477","version":2},"attestation_state":"computed","paper":{"title":"Leptons in the Proton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Francesco Tramontano, Giulia Zanderighi, Luca Buonocore, Paolo Nason","submitted_at":"2020-05-13T18:00:01Z","abstract_excerpt":"As is the case for all light coloured Standard Model particles, also photons and charged leptons appear as constituents in ultrarelativistic hadron beams, and admit a parton density function (PDF). It has been shown recently that the photon PDF can be given in terms of the structure functions and form factors for electron-proton scattering. The same holds for lepton PDFs. In the present work we set up a calculation of the lepton PDFs at next-to-leading order, using the same data input needed in the photon case. A precise knowledge of the lepton densities allows us to study lepton-initiated pro"},"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":"2005.06477","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-13T18:00:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"9917a3913b31779a4cbf308794131ff97f587943b57f9c4a5f543dde1eac148c","abstract_canon_sha256":"0c1bf2d619a4687affe1096951aa6cf243edb1a21fec192a9fc4db1ba5495949"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:30:03.523474Z","signature_b64":"6IvtjFj7Pxr2lpbBgqU8f9bdCUI04RyJksmeLvS280lFTx2HnCFtEFDUZPFPOBODF3Ufk4gme8XWJIasbr/RAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0ca7ff28fce6e3eeae979125d19c7ebe36abbbccf5d246f6a083106cd10c9d9","last_reissued_at":"2026-07-05T01:30:03.522986Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:30:03.522986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Leptons in the Proton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Francesco Tramontano, Giulia Zanderighi, Luca Buonocore, Paolo Nason","submitted_at":"2020-05-13T18:00:01Z","abstract_excerpt":"As is the case for all light coloured Standard Model particles, also photons and charged leptons appear as constituents in ultrarelativistic hadron beams, and admit a parton density function (PDF). It has been shown recently that the photon PDF can be given in terms of the structure functions and form factors for electron-proton scattering. The same holds for lepton PDFs. In the present work we set up a calculation of the lepton PDFs at next-to-leading order, using the same data input needed in the photon case. A precise knowledge of the lepton densities allows us to study lepton-initiated pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.06477","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/2005.06477/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":"2005.06477","created_at":"2026-07-05T01:30:03.523044+00:00"},{"alias_kind":"arxiv_version","alias_value":"2005.06477v2","created_at":"2026-07-05T01:30:03.523044+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.06477","created_at":"2026-07-05T01:30:03.523044+00:00"},{"alias_kind":"pith_short_12","alias_value":"UDFH74UPZZXD","created_at":"2026-07-05T01:30:03.523044+00:00"},{"alias_kind":"pith_short_16","alias_value":"UDFH74UPZZXD52XJ","created_at":"2026-07-05T01:30:03.523044+00:00"},{"alias_kind":"pith_short_8","alias_value":"UDFH74UP","created_at":"2026-07-05T01:30:03.523044+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.06059","citing_title":"A resonance-aware MC@NLO QCD+EW-matched calculation of lepton-pair production","ref_index":39,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P","json":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P.json","graph_json":"https://pith.science/api/pith-number/UDFH74UPZZXD52XJPEJF2GOH5P/graph.json","events_json":"https://pith.science/api/pith-number/UDFH74UPZZXD52XJPEJF2GOH5P/events.json","paper":"https://pith.science/paper/UDFH74UP"},"agent_actions":{"view_html":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P","download_json":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P.json","view_paper":"https://pith.science/paper/UDFH74UP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2005.06477&json=true","fetch_graph":"https://pith.science/api/pith-number/UDFH74UPZZXD52XJPEJF2GOH5P/graph.json","fetch_events":"https://pith.science/api/pith-number/UDFH74UPZZXD52XJPEJF2GOH5P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P/action/storage_attestation","attest_author":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P/action/author_attestation","sign_citation":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P/action/citation_signature","submit_replication":"https://pith.science/pith/UDFH74UPZZXD52XJPEJF2GOH5P/action/replication_record"}},"created_at":"2026-07-05T01:30:03.523044+00:00","updated_at":"2026-07-05T01:30:03.523044+00:00"}