{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:QPIBA4IFA3FZWXMT6NG3CCFMTX","short_pith_number":"pith:QPIBA4IF","schema_version":"1.0","canonical_sha256":"83d010710506cb9b5d93f34db108ac9ddcc30ce4fac864f47961a862a3ca9222","source":{"kind":"arxiv","id":"2207.04572","version":4},"attestation_state":"computed","paper":{"title":"Long-Exposure NuSTAR Constraints on Decaying Dark Matter in the Galactic Halo","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Brandon M. Roach, Brian W. Grefenstette, Daniel R. Wik, John F. Beacom, Kenny C. Y. Ng, Kerstin Perez, Roman Krivonos, Shunsaku Horiuchi, Steven Rossland","submitted_at":"2022-07-11T00:43:56Z","abstract_excerpt":"We present two complementary NuSTAR x-ray searches for keV-scale dark matter decaying to mono-energetic photons in the Milky Way halo. In the first, we utilize the known intensity pattern of unfocused stray light across the detector planes -- the dominant source of photons from diffuse sources -- to separate astrophysical emission from internal instrument backgrounds using ${\\sim}$7-Ms/detector deep blank-sky exposures. In the second, we present an updated parametric model of the full NuSTAR instrument background, allowing us to leverage the statistical power of an independent ${\\sim}$20-Ms/de"},"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":"2207.04572","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-11T00:43:56Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1f2b19c44cc52bc5beba0c61b6258df1a5f36cb0a38cafe419d7a70ff73fb7ce","abstract_canon_sha256":"5cd31a2594a9516f50ee68652336c7cf6315bc09109bb90ad88c91c42dbc78f9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:33:14.182944Z","signature_b64":"SnhmL//ekjsgnIYt2lCbFdyaC1cSZObXFS/yAXsq7FNcrqiEIrQKic6esJlXTh6HQk4qYD1SUmuMzgd+r00yBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83d010710506cb9b5d93f34db108ac9ddcc30ce4fac864f47961a862a3ca9222","last_reissued_at":"2026-07-05T05:33:14.182401Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:33:14.182401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Long-Exposure NuSTAR Constraints on Decaying Dark Matter in the Galactic Halo","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Brandon M. Roach, Brian W. Grefenstette, Daniel R. Wik, John F. Beacom, Kenny C. Y. Ng, Kerstin Perez, Roman Krivonos, Shunsaku Horiuchi, Steven Rossland","submitted_at":"2022-07-11T00:43:56Z","abstract_excerpt":"We present two complementary NuSTAR x-ray searches for keV-scale dark matter decaying to mono-energetic photons in the Milky Way halo. In the first, we utilize the known intensity pattern of unfocused stray light across the detector planes -- the dominant source of photons from diffuse sources -- to separate astrophysical emission from internal instrument backgrounds using ${\\sim}$7-Ms/detector deep blank-sky exposures. In the second, we present an updated parametric model of the full NuSTAR instrument background, allowing us to leverage the statistical power of an independent ${\\sim}$20-Ms/de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04572","kind":"arxiv","version":4},"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/2207.04572/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":"2207.04572","created_at":"2026-07-05T05:33:14.182474+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.04572v4","created_at":"2026-07-05T05:33:14.182474+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04572","created_at":"2026-07-05T05:33:14.182474+00:00"},{"alias_kind":"pith_short_12","alias_value":"QPIBA4IFA3FZ","created_at":"2026-07-05T05:33:14.182474+00:00"},{"alias_kind":"pith_short_16","alias_value":"QPIBA4IFA3FZWXMT","created_at":"2026-07-05T05:33:14.182474+00:00"},{"alias_kind":"pith_short_8","alias_value":"QPIBA4IF","created_at":"2026-07-05T05:33:14.182474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":8,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.07749","citing_title":"Flavor phenomenology of light dark particles","ref_index":186,"is_internal_anchor":false},{"citing_arxiv_id":"2605.15771","citing_title":"Precision studies of neutron decay, left-right asymmetry model of weak interaction, CP-violation and baryon asymmetry of the Universe","ref_index":24,"is_internal_anchor":false},{"citing_arxiv_id":"2605.15771","citing_title":"Precision studies of neutron decay, left-right asymmetry model of weak interaction, CP-violation and baryon asymmetry of the Universe","ref_index":21,"is_internal_anchor":false},{"citing_arxiv_id":"2605.18944","citing_title":"The Majoron Cosmological Window: Dark Matter and Thermal Leptogenesis","ref_index":99,"is_internal_anchor":false},{"citing_arxiv_id":"2605.00549","citing_title":"Bounds on massive graviton-like particles from searches for axion-like particles coupling to photons","ref_index":93,"is_internal_anchor":false},{"citing_arxiv_id":"2605.00648","citing_title":"Anisotropy of Cosmic Background Photons from Annihilating/Decaying Dark Matter","ref_index":39,"is_internal_anchor":false},{"citing_arxiv_id":"2604.18674","citing_title":"Hunting Sterile Neutrino Dark Matter in the MeV Gap","ref_index":32,"is_internal_anchor":false},{"citing_arxiv_id":"2604.05326","citing_title":"Gamma-Ray Signatures of Thermal Misalignment Dark Matter","ref_index":26,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX","json":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX.json","graph_json":"https://pith.science/api/pith-number/QPIBA4IFA3FZWXMT6NG3CCFMTX/graph.json","events_json":"https://pith.science/api/pith-number/QPIBA4IFA3FZWXMT6NG3CCFMTX/events.json","paper":"https://pith.science/paper/QPIBA4IF"},"agent_actions":{"view_html":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX","download_json":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX.json","view_paper":"https://pith.science/paper/QPIBA4IF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.04572&json=true","fetch_graph":"https://pith.science/api/pith-number/QPIBA4IFA3FZWXMT6NG3CCFMTX/graph.json","fetch_events":"https://pith.science/api/pith-number/QPIBA4IFA3FZWXMT6NG3CCFMTX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX/action/storage_attestation","attest_author":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX/action/author_attestation","sign_citation":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX/action/citation_signature","submit_replication":"https://pith.science/pith/QPIBA4IFA3FZWXMT6NG3CCFMTX/action/replication_record"}},"created_at":"2026-07-05T05:33:14.182474+00:00","updated_at":"2026-07-05T05:33:14.182474+00:00"}