{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:UGGBHH4Y3L5FVWR5B3SIVTLKNS","short_pith_number":"pith:UGGBHH4Y","schema_version":"1.0","canonical_sha256":"a18c139f98dafa5ada3d0ee48acd6a6c800049c0d300408151528ef416360653","source":{"kind":"arxiv","id":"2402.18880","version":2},"attestation_state":"computed","paper":{"title":"Weak Lensing Constraints on Dark Matter-Baryon Interactions with $N$-Body Simulations and Machine Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Chi Zhang, Hou-Zun Chen, Lei Zu, Yi-Zhong Fan, Yue-Lin Sming Tsai","submitted_at":"2024-02-29T05:58:00Z","abstract_excerpt":"We investigate the elastic scattering cross section between dark matter and protons using the DES Year 3 weak lensing data. This scattering induces a dark acoustic oscillation structure in the matter power spectra. To address non-linear effects at low redshift, we utilize principal component analysis alongside a limited set of $N$-body simulations, improving the reliability of our matter power spectrum prediction. We further perform a robust Markov Chain Monte Carlo analysis to derive the upper bounds on the DM-proton elastic scattering cross-section, assuming different velocity dependencies. "},"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":"2402.18880","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-02-29T05:58:00Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"74f986c2845c3215a216395e9b6f7fea1220e44f39231698babe564b2dc79b02","abstract_canon_sha256":"486534e98b9ced795661e0b2c3507b329eacbb3306ef1384cf0da4c0f9eaef44"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:52:29.712652Z","signature_b64":"c3pZeS7MKZQKHmWyV9+iBYdELUNHMqXK5xMSO0Fk2P7K6lqb5kSuE8XaHykPNBztj5PLQ+LtDW2NC2px5dP0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a18c139f98dafa5ada3d0ee48acd6a6c800049c0d300408151528ef416360653","last_reissued_at":"2026-07-05T08:52:29.712189Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:52:29.712189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Weak Lensing Constraints on Dark Matter-Baryon Interactions with $N$-Body Simulations and Machine Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Chi Zhang, Hou-Zun Chen, Lei Zu, Yi-Zhong Fan, Yue-Lin Sming Tsai","submitted_at":"2024-02-29T05:58:00Z","abstract_excerpt":"We investigate the elastic scattering cross section between dark matter and protons using the DES Year 3 weak lensing data. This scattering induces a dark acoustic oscillation structure in the matter power spectra. To address non-linear effects at low redshift, we utilize principal component analysis alongside a limited set of $N$-body simulations, improving the reliability of our matter power spectrum prediction. We further perform a robust Markov Chain Monte Carlo analysis to derive the upper bounds on the DM-proton elastic scattering cross-section, assuming different velocity dependencies. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18880","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/2402.18880/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":"2402.18880","created_at":"2026-07-05T08:52:29.712245+00:00"},{"alias_kind":"arxiv_version","alias_value":"2402.18880v2","created_at":"2026-07-05T08:52:29.712245+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18880","created_at":"2026-07-05T08:52:29.712245+00:00"},{"alias_kind":"pith_short_12","alias_value":"UGGBHH4Y3L5F","created_at":"2026-07-05T08:52:29.712245+00:00"},{"alias_kind":"pith_short_16","alias_value":"UGGBHH4Y3L5FVWR5","created_at":"2026-07-05T08:52:29.712245+00:00"},{"alias_kind":"pith_short_8","alias_value":"UGGBHH4Y","created_at":"2026-07-05T08:52:29.712245+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.20396","citing_title":"Cosmological impact of $\\nu$DM interactions enhanced in narrow redshift ranges","ref_index":53,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS","json":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS.json","graph_json":"https://pith.science/api/pith-number/UGGBHH4Y3L5FVWR5B3SIVTLKNS/graph.json","events_json":"https://pith.science/api/pith-number/UGGBHH4Y3L5FVWR5B3SIVTLKNS/events.json","paper":"https://pith.science/paper/UGGBHH4Y"},"agent_actions":{"view_html":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS","download_json":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS.json","view_paper":"https://pith.science/paper/UGGBHH4Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2402.18880&json=true","fetch_graph":"https://pith.science/api/pith-number/UGGBHH4Y3L5FVWR5B3SIVTLKNS/graph.json","fetch_events":"https://pith.science/api/pith-number/UGGBHH4Y3L5FVWR5B3SIVTLKNS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS/action/storage_attestation","attest_author":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS/action/author_attestation","sign_citation":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS/action/citation_signature","submit_replication":"https://pith.science/pith/UGGBHH4Y3L5FVWR5B3SIVTLKNS/action/replication_record"}},"created_at":"2026-07-05T08:52:29.712245+00:00","updated_at":"2026-07-05T08:52:29.712245+00:00"}