{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:PGRF442TSS2AUIRZVDBIX4FFKJ","short_pith_number":"pith:PGRF442T","schema_version":"1.0","canonical_sha256":"79a25e735394b40a2239a8c28bf0a55259f5126696d789454b830b4223b46a6a","source":{"kind":"arxiv","id":"2012.06611","version":3},"attestation_state":"computed","paper":{"title":"A Stringent Upper Limit on Dark Matter Self-Interaction Cross Section from Cluster Strong Lensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Demao Kong, Jackson Fuson, Kevin E. Andrade, Manoj Kaplinghat, M. Grant Roberts, Quinn Minor, Sophia Gad-Nasr","submitted_at":"2020-12-11T19:34:32Z","abstract_excerpt":"We analyze strongly lensed images in 8 galaxy clusters to measure their dark matter density profiles in the radial region between 10 kpc and 150 kpc, and use this to constrain the self-interaction cross section of dark matter (DM) particles. We infer the mass profiles of the central DM halos, bright central galaxies, key member galaxies, and DM subhalos for the member galaxies for all 8 clusters using the Qlens code. The inferred DM halo surface densities are fit to a self-interacting dark matter (SIDM) model, which allows us to constrain the self-interaction cross section over mass $\\sigma$/m"},"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":"2012.06611","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-11T19:34:32Z","cross_cats_sorted":[],"title_canon_sha256":"1b67fc2fbac942c6ac263c74ca922b728f3c840fbdc5f7d5f815bd41a61dcddf","abstract_canon_sha256":"f3867374a9e9ff27f52cb89a3fef30cb6522ee81959d5913ce25a61d498848e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:21.003922Z","signature_b64":"uK+QzlfQu/1s4D9bN+F+qAsoMe/2Jqa6Yvuzgj+UQZSQjy8Guh1MHxwG1TNzaxoOuMFh3vqEkkF0g1+ftjg8Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79a25e735394b40a2239a8c28bf0a55259f5126696d789454b830b4223b46a6a","last_reissued_at":"2026-07-05T03:34:21.003505Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:21.003505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Stringent Upper Limit on Dark Matter Self-Interaction Cross Section from Cluster Strong Lensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Demao Kong, Jackson Fuson, Kevin E. Andrade, Manoj Kaplinghat, M. Grant Roberts, Quinn Minor, Sophia Gad-Nasr","submitted_at":"2020-12-11T19:34:32Z","abstract_excerpt":"We analyze strongly lensed images in 8 galaxy clusters to measure their dark matter density profiles in the radial region between 10 kpc and 150 kpc, and use this to constrain the self-interaction cross section of dark matter (DM) particles. We infer the mass profiles of the central DM halos, bright central galaxies, key member galaxies, and DM subhalos for the member galaxies for all 8 clusters using the Qlens code. The inferred DM halo surface densities are fit to a self-interacting dark matter (SIDM) model, which allows us to constrain the self-interaction cross section over mass $\\sigma$/m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.06611","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/2012.06611/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":"2012.06611","created_at":"2026-07-05T03:34:21.003562+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.06611v3","created_at":"2026-07-05T03:34:21.003562+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.06611","created_at":"2026-07-05T03:34:21.003562+00:00"},{"alias_kind":"pith_short_12","alias_value":"PGRF442TSS2A","created_at":"2026-07-05T03:34:21.003562+00:00"},{"alias_kind":"pith_short_16","alias_value":"PGRF442TSS2AUIRZ","created_at":"2026-07-05T03:34:21.003562+00:00"},{"alias_kind":"pith_short_8","alias_value":"PGRF442T","created_at":"2026-07-05T03:34:21.003562+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.19995","citing_title":"Finite-Core Signatures in LISA-Band Wave-Optics Lensing by Low-Mass Dark Matter Halos","ref_index":32,"is_internal_anchor":false},{"citing_arxiv_id":"2606.19428","citing_title":"Cooling, conduction, compact objects: Gravothermal evolution of dissipative self-interacting dark matter halos","ref_index":21,"is_internal_anchor":false},{"citing_arxiv_id":"2503.19691","citing_title":"Strongly Interacting Dark Matter admixed Neutron Stars","ref_index":8,"is_internal_anchor":false},{"citing_arxiv_id":"2506.14898","citing_title":"Self-Interacting Dark Matter with Mass Segregation: A Unified Explanation of Dwarf Cores and Small-Scale Lenses","ref_index":49,"is_internal_anchor":false},{"citing_arxiv_id":"2509.06892","citing_title":"Asymmetric Cannibal Dark Matter: Constraints from Neutron Star","ref_index":21,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08647","citing_title":"Bypassed Core Formation in Milky Way-Mass SIDM Halos: Implications for the Local Group Past-Pericenter Scenario","ref_index":57,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ","json":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ.json","graph_json":"https://pith.science/api/pith-number/PGRF442TSS2AUIRZVDBIX4FFKJ/graph.json","events_json":"https://pith.science/api/pith-number/PGRF442TSS2AUIRZVDBIX4FFKJ/events.json","paper":"https://pith.science/paper/PGRF442T"},"agent_actions":{"view_html":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ","download_json":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ.json","view_paper":"https://pith.science/paper/PGRF442T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.06611&json=true","fetch_graph":"https://pith.science/api/pith-number/PGRF442TSS2AUIRZVDBIX4FFKJ/graph.json","fetch_events":"https://pith.science/api/pith-number/PGRF442TSS2AUIRZVDBIX4FFKJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ/action/storage_attestation","attest_author":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ/action/author_attestation","sign_citation":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ/action/citation_signature","submit_replication":"https://pith.science/pith/PGRF442TSS2AUIRZVDBIX4FFKJ/action/replication_record"}},"created_at":"2026-07-05T03:34:21.003562+00:00","updated_at":"2026-07-05T03:34:21.003562+00:00"}