{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:RP4KTKKWPK5WV4B62USWPKWKWX","short_pith_number":"pith:RP4KTKKW","schema_version":"1.0","canonical_sha256":"8bf8a9a9567abb6af03ed52567aacab5eb88ad91be2ca0999afb414bed9ca791","source":{"kind":"arxiv","id":"1907.01292","version":1},"attestation_state":"computed","paper":{"title":"Measurements of time-dependent $C\\!P$ violation and mixing in charm at LHCb","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Tommaso Pajero (for the LHCb Collaboration)","submitted_at":"2019-07-02T10:45:27Z","abstract_excerpt":"The LHCb experiment has opened the possibility to test mixing and $C\\!P$ violation in the charm sector with unprecedented precision thanks to the huge number of charm hadron decays collected, $\\mathcal{O}(10^8)$. The first observation of $C\\!P$ violation in the decay of charm quarks in March 2019 has been a fundamental achievement. The latest LHCb measurements in the complementary sectors of mixing and time-dependent $C\\!P$ violation are illustrated in these proceedings. In particular, a new measurement of the $C\\!P$ violation parameter $A_\\Gamma$ with 2015--2016 data that was presented for th"},"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":"1907.01292","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-07-02T10:45:27Z","cross_cats_sorted":[],"title_canon_sha256":"25710ca0ec6205c2398a14bf859d8cb149bf9dd6ba56c772f366f43600a64400","abstract_canon_sha256":"9b699730b607a928c3121734771166e8d1c8e0105ebd75bff4f4fbb30af1b360"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:40.751256Z","signature_b64":"lH5kgvo7opO1poW2kqvqawNnZlSFVqb1fS7/fTQJtiw7+2Ju9wGEnm5cfb3vOis+mlRPEhJepRgqoF3UhfqdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bf8a9a9567abb6af03ed52567aacab5eb88ad91be2ca0999afb414bed9ca791","last_reissued_at":"2026-05-17T23:41:40.750589Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:40.750589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurements of time-dependent $C\\!P$ violation and mixing in charm at LHCb","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Tommaso Pajero (for the LHCb Collaboration)","submitted_at":"2019-07-02T10:45:27Z","abstract_excerpt":"The LHCb experiment has opened the possibility to test mixing and $C\\!P$ violation in the charm sector with unprecedented precision thanks to the huge number of charm hadron decays collected, $\\mathcal{O}(10^8)$. The first observation of $C\\!P$ violation in the decay of charm quarks in March 2019 has been a fundamental achievement. The latest LHCb measurements in the complementary sectors of mixing and time-dependent $C\\!P$ violation are illustrated in these proceedings. In particular, a new measurement of the $C\\!P$ violation parameter $A_\\Gamma$ with 2015--2016 data that was presented for th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.01292","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":"1907.01292","created_at":"2026-05-17T23:41:40.750697+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.01292v1","created_at":"2026-05-17T23:41:40.750697+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.01292","created_at":"2026-05-17T23:41:40.750697+00:00"},{"alias_kind":"pith_short_12","alias_value":"RP4KTKKWPK5W","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"RP4KTKKWPK5WV4B6","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"RP4KTKKW","created_at":"2026-05-18T12:33:27.125529+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/RP4KTKKWPK5WV4B62USWPKWKWX","json":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX.json","graph_json":"https://pith.science/api/pith-number/RP4KTKKWPK5WV4B62USWPKWKWX/graph.json","events_json":"https://pith.science/api/pith-number/RP4KTKKWPK5WV4B62USWPKWKWX/events.json","paper":"https://pith.science/paper/RP4KTKKW"},"agent_actions":{"view_html":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX","download_json":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX.json","view_paper":"https://pith.science/paper/RP4KTKKW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.01292&json=true","fetch_graph":"https://pith.science/api/pith-number/RP4KTKKWPK5WV4B62USWPKWKWX/graph.json","fetch_events":"https://pith.science/api/pith-number/RP4KTKKWPK5WV4B62USWPKWKWX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX/action/storage_attestation","attest_author":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX/action/author_attestation","sign_citation":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX/action/citation_signature","submit_replication":"https://pith.science/pith/RP4KTKKWPK5WV4B62USWPKWKWX/action/replication_record"}},"created_at":"2026-05-17T23:41:40.750697+00:00","updated_at":"2026-05-17T23:41:40.750697+00:00"}