{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:AFGPG2XM72VFHZJHWJULC7F7GR","short_pith_number":"pith:AFGPG2XM","schema_version":"1.0","canonical_sha256":"014cf36aecfeaa53e527b268b17cbf347ccb8141b3dd9b47c8aba008ea232031","source":{"kind":"arxiv","id":"1904.10015","version":2},"attestation_state":"computed","paper":{"title":"FIMP dark matter candidate(s) in a $B-L$ model with inverse seesaw mechanism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Sandhya Choubey, Sarif Khan, Waleed Abdallah","submitted_at":"2019-04-22T18:19:08Z","abstract_excerpt":"The non-thermal dark matter (DM) production via the so-called freeze-in mechanism provides a simple alternative to the standard thermal WIMP scenario. In this work, we consider a popular $U(1)_{B-L}$ extension of the standard model (SM) in the context of inverse seesaw mechanism which has at least one (fermionic) FIMP DM candidate. Due to the added $\\mathbb{Z}_{2}$ symmetry, a SM gauge singlet fermion, with mass of order keV, is stable and can be a warm DM candidate. Also, the same $\\mathbb{Z}_{2}$ symmetry helps the lightest right-handed neutrino, with mass of order GeV, to be a stable or lon"},"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":"1904.10015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-22T18:19:08Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"38537142a45b998092fe7af488b93bb2fd7cfa3ab71f6d69819c0071e778fa73","abstract_canon_sha256":"cd900bc38b3d31bdb745cc34edf9fc1cb5fbd694584505f1006fc500b7d2c351"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:48.173253Z","signature_b64":"6MYh8gLk7V0jH6Jv60Cm8xJuyNKRYCfYPy0HtXT7MkZhN6hn6LI6Dj7R++43Rs1CYBKvWYy5XC98m/S+KfdpDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"014cf36aecfeaa53e527b268b17cbf347ccb8141b3dd9b47c8aba008ea232031","last_reissued_at":"2026-05-17T23:42:48.172632Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:48.172632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"FIMP dark matter candidate(s) in a $B-L$ model with inverse seesaw mechanism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Sandhya Choubey, Sarif Khan, Waleed Abdallah","submitted_at":"2019-04-22T18:19:08Z","abstract_excerpt":"The non-thermal dark matter (DM) production via the so-called freeze-in mechanism provides a simple alternative to the standard thermal WIMP scenario. In this work, we consider a popular $U(1)_{B-L}$ extension of the standard model (SM) in the context of inverse seesaw mechanism which has at least one (fermionic) FIMP DM candidate. Due to the added $\\mathbb{Z}_{2}$ symmetry, a SM gauge singlet fermion, with mass of order keV, is stable and can be a warm DM candidate. Also, the same $\\mathbb{Z}_{2}$ symmetry helps the lightest right-handed neutrino, with mass of order GeV, to be a stable or lon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10015","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":""},"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":"1904.10015","created_at":"2026-05-17T23:42:48.172757+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.10015v2","created_at":"2026-05-17T23:42:48.172757+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10015","created_at":"2026-05-17T23:42:48.172757+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/AFGPG2XM72VFHZJHWJULC7F7GR","json":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR.json","graph_json":"https://pith.science/api/pith-number/AFGPG2XM72VFHZJHWJULC7F7GR/graph.json","events_json":"https://pith.science/api/pith-number/AFGPG2XM72VFHZJHWJULC7F7GR/events.json","paper":"https://pith.science/paper/AFGPG2XM"},"agent_actions":{"view_html":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR","download_json":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR.json","view_paper":"https://pith.science/paper/AFGPG2XM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.10015&json=true","fetch_graph":"https://pith.science/api/pith-number/AFGPG2XM72VFHZJHWJULC7F7GR/graph.json","fetch_events":"https://pith.science/api/pith-number/AFGPG2XM72VFHZJHWJULC7F7GR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR/action/storage_attestation","attest_author":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR/action/author_attestation","sign_citation":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR/action/citation_signature","submit_replication":"https://pith.science/pith/AFGPG2XM72VFHZJHWJULC7F7GR/action/replication_record"}},"created_at":"2026-05-17T23:42:48.172757+00:00","updated_at":"2026-05-17T23:42:48.172757+00:00"}