{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:DNDJSSRGLVP3LD6QYV74HDLZKL","short_pith_number":"pith:DNDJSSRG","schema_version":"1.0","canonical_sha256":"1b46994a265d5fb58fd0c57fc38d7952d0b3cd8c7bcb19c33ed13b6f98cf6095","source":{"kind":"arxiv","id":"1911.03013","version":3},"attestation_state":"computed","paper":{"title":"A new mechanism for matter-antimatter asymmetry and connection with dark matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ex"],"primary_cat":"hep-ph","authors_text":"Arnab Dasgupta, P. S. Bhupal Dev, Sin Kyu Kang, Yongchao Zhang","submitted_at":"2019-11-08T03:11:14Z","abstract_excerpt":"We propose a new mechanism for generating matter-antimatter asymmetry via the interference of tree-level diagrams only, where the imaginary part of the Breit-Wigner propagator for an unstable mediator plays a crucial role. We first derive a general result that a nonzero $CP$-asymmetry can be generated via at least two sets of interfering tree-level diagrams involving either $2\\rightarrow2$ or $1\\rightarrow n$ (with $n\\geq3$) processes. We illustrate this point in a simple TeV-scale extension of the Standard Model with an inert Higgs doublet and right-handed neutrinos, along with an electroweak"},"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":"1911.03013","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-11-08T03:11:14Z","cross_cats_sorted":["astro-ph.CO","hep-ex"],"title_canon_sha256":"e0923b986c1f7507cca38acf62cd1714364dc486b330473ff2020a006bc8b9ad","abstract_canon_sha256":"57373d69f54df210596f7939f3216cdd0a28e496228e211c56e1376c15229de8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:37:04.792634Z","signature_b64":"fLIdqTniIU0nlxMJiWau439p7Uh0ZSAQ/2m/sSpsAgYVyFLAwiSJIj5XVxD2SclPF4Qq62PWizZcEAjuO/+DDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b46994a265d5fb58fd0c57fc38d7952d0b3cd8c7bcb19c33ed13b6f98cf6095","last_reissued_at":"2026-07-05T01:37:04.792207Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:37:04.792207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A new mechanism for matter-antimatter asymmetry and connection with dark matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ex"],"primary_cat":"hep-ph","authors_text":"Arnab Dasgupta, P. S. Bhupal Dev, Sin Kyu Kang, Yongchao Zhang","submitted_at":"2019-11-08T03:11:14Z","abstract_excerpt":"We propose a new mechanism for generating matter-antimatter asymmetry via the interference of tree-level diagrams only, where the imaginary part of the Breit-Wigner propagator for an unstable mediator plays a crucial role. We first derive a general result that a nonzero $CP$-asymmetry can be generated via at least two sets of interfering tree-level diagrams involving either $2\\rightarrow2$ or $1\\rightarrow n$ (with $n\\geq3$) processes. We illustrate this point in a simple TeV-scale extension of the Standard Model with an inert Higgs doublet and right-handed neutrinos, along with an electroweak"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.03013","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.03013/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":"1911.03013","created_at":"2026-07-05T01:37:04.792256+00:00"},{"alias_kind":"arxiv_version","alias_value":"1911.03013v3","created_at":"2026-07-05T01:37:04.792256+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.03013","created_at":"2026-07-05T01:37:04.792256+00:00"},{"alias_kind":"pith_short_12","alias_value":"DNDJSSRGLVP3","created_at":"2026-07-05T01:37:04.792256+00:00"},{"alias_kind":"pith_short_16","alias_value":"DNDJSSRGLVP3LD6Q","created_at":"2026-07-05T01:37:04.792256+00:00"},{"alias_kind":"pith_short_8","alias_value":"DNDJSSRG","created_at":"2026-07-05T01:37:04.792256+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.11607","citing_title":"Electromagnetic Dirac Cogenesis","ref_index":25,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL","json":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL.json","graph_json":"https://pith.science/api/pith-number/DNDJSSRGLVP3LD6QYV74HDLZKL/graph.json","events_json":"https://pith.science/api/pith-number/DNDJSSRGLVP3LD6QYV74HDLZKL/events.json","paper":"https://pith.science/paper/DNDJSSRG"},"agent_actions":{"view_html":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL","download_json":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL.json","view_paper":"https://pith.science/paper/DNDJSSRG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1911.03013&json=true","fetch_graph":"https://pith.science/api/pith-number/DNDJSSRGLVP3LD6QYV74HDLZKL/graph.json","fetch_events":"https://pith.science/api/pith-number/DNDJSSRGLVP3LD6QYV74HDLZKL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL/action/storage_attestation","attest_author":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL/action/author_attestation","sign_citation":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL/action/citation_signature","submit_replication":"https://pith.science/pith/DNDJSSRGLVP3LD6QYV74HDLZKL/action/replication_record"}},"created_at":"2026-07-05T01:37:04.792256+00:00","updated_at":"2026-07-05T01:37:04.792256+00:00"}