{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VJ77VWASYLWIXB5K42CGG7SX3R","short_pith_number":"pith:VJ77VWAS","schema_version":"1.0","canonical_sha256":"aa7ffad812c2ec8b87aae684637e57dc50e56fa964fbb51dbb5a890de5d26b57","source":{"kind":"arxiv","id":"1808.00001","version":1},"attestation_state":"computed","paper":{"title":"A Critical Assessment of CMB Limits on Dark Matter-Baryon Scattering: New Treatment of the Relative Bulk Velocity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Ely D. Kovetz, Kimberly K. Boddy, Marc Kamionkowski, Rennan Barkana, Vera Gluscevic, Vivian Poulin","submitted_at":"2018-07-30T18:00:00Z","abstract_excerpt":"We perform an improved cosmic microwave background (CMB) analysis to search for dark matter-proton scattering with a momentum-transfer cross section of the form $\\sigma_0 v^n$ for $n=-2$ and $n=-4$. In particular, we present a new and robust prescription for incorporating the relative bulk velocity between the dark matter and baryon fluids into the standard linear Boltzmann calculation. Using an iterative procedure, we self-consistently include the effects of the bulk velocities in a cosmology in which dark matter interacts with baryons. With this prescription, we derive CMB bounds on the cros"},"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":"1808.00001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-30T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"badf9c7f14f48cb69bbebdddc0c9ab7aed24cd684b75bba81f73ec767d7d36af","abstract_canon_sha256":"efdfcf1030143328732ffdd082ae5af9a5d2f55e2d1ed99ed0fae76a8e446e1d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:04.286650Z","signature_b64":"62Ztc3sFeA14Mcf8/+AnPHTWEvTbupUE0wzV/qzwb6/FFwwZzSYYwCyuIYSDt9kRwTsJAMVi8vxgRnczFYmNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa7ffad812c2ec8b87aae684637e57dc50e56fa964fbb51dbb5a890de5d26b57","last_reissued_at":"2026-05-17T23:58:04.286219Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:04.286219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Critical Assessment of CMB Limits on Dark Matter-Baryon Scattering: New Treatment of the Relative Bulk Velocity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Ely D. Kovetz, Kimberly K. Boddy, Marc Kamionkowski, Rennan Barkana, Vera Gluscevic, Vivian Poulin","submitted_at":"2018-07-30T18:00:00Z","abstract_excerpt":"We perform an improved cosmic microwave background (CMB) analysis to search for dark matter-proton scattering with a momentum-transfer cross section of the form $\\sigma_0 v^n$ for $n=-2$ and $n=-4$. In particular, we present a new and robust prescription for incorporating the relative bulk velocity between the dark matter and baryon fluids into the standard linear Boltzmann calculation. Using an iterative procedure, we self-consistently include the effects of the bulk velocities in a cosmology in which dark matter interacts with baryons. With this prescription, we derive CMB bounds on the cros"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.00001","kind":"arxiv","version":1},"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":"1808.00001","created_at":"2026-05-17T23:58:04.286278+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.00001v1","created_at":"2026-05-17T23:58:04.286278+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.00001","created_at":"2026-05-17T23:58:04.286278+00:00"},{"alias_kind":"pith_short_12","alias_value":"VJ77VWASYLWI","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VJ77VWASYLWIXB5K","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VJ77VWAS","created_at":"2026-05-18T12:32:59.047623+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2603.15585","citing_title":"QCD-driven dark matter: AQNs formation and observational tests","ref_index":26,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R","json":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R.json","graph_json":"https://pith.science/api/pith-number/VJ77VWASYLWIXB5K42CGG7SX3R/graph.json","events_json":"https://pith.science/api/pith-number/VJ77VWASYLWIXB5K42CGG7SX3R/events.json","paper":"https://pith.science/paper/VJ77VWAS"},"agent_actions":{"view_html":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R","download_json":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R.json","view_paper":"https://pith.science/paper/VJ77VWAS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.00001&json=true","fetch_graph":"https://pith.science/api/pith-number/VJ77VWASYLWIXB5K42CGG7SX3R/graph.json","fetch_events":"https://pith.science/api/pith-number/VJ77VWASYLWIXB5K42CGG7SX3R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R/action/storage_attestation","attest_author":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R/action/author_attestation","sign_citation":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R/action/citation_signature","submit_replication":"https://pith.science/pith/VJ77VWASYLWIXB5K42CGG7SX3R/action/replication_record"}},"created_at":"2026-05-17T23:58:04.286278+00:00","updated_at":"2026-05-17T23:58:04.286278+00:00"}