{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:6XULJDZJ3Y62AGJVZVLDPX4TFG","short_pith_number":"pith:6XULJDZJ","schema_version":"1.0","canonical_sha256":"f5e8b48f29de3da01935cd5637df9329b64b16fc84d14ce2765775a95460d804","source":{"kind":"arxiv","id":"2012.03957","version":2},"attestation_state":"computed","paper":{"title":"Earth-bound Milli-charge Relics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Harikrishnan Ramani, Maxim Pospelov","submitted_at":"2020-12-07T19:00:02Z","abstract_excerpt":"Dark sector particles with small electric charge, or millicharge, (mCPs) may lead to a variety of diverse phenomena in particle physics, astrophysics and cosmology. Assuming their possible existence, we investigate the accumulation and propagation of mCPs in matter, specifically inside the Earth. Even small values of millicharge lead to sizeable scattering cross sections on atoms, resulting in complete thermalization, and as a consequence, considerable build-up of number densities of mCPs, especially for the values of masses of GeV and higher when the evaporation becomes inhibited. Enhancement"},"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":"2012.03957","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-12-07T19:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f8fe81221615c68f1f127d4570ca3a7098dd55652819a283863a1933096d6c0e","abstract_canon_sha256":"37105b74c807b6da9d20deb799533954569bd029ff4faaabe100c66a1de3a6a9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:53:30.307648Z","signature_b64":"AJCaOxhDdkQgnqkaFGzGab6Sy2tiJJ3Xx5jJo+wz7BUKMAXVdKK80w6HBR+JijpqJ3p6wQ8qFUSlm5roggWdAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5e8b48f29de3da01935cd5637df9329b64b16fc84d14ce2765775a95460d804","last_reissued_at":"2026-07-05T02:53:30.307239Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:53:30.307239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Earth-bound Milli-charge Relics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Harikrishnan Ramani, Maxim Pospelov","submitted_at":"2020-12-07T19:00:02Z","abstract_excerpt":"Dark sector particles with small electric charge, or millicharge, (mCPs) may lead to a variety of diverse phenomena in particle physics, astrophysics and cosmology. Assuming their possible existence, we investigate the accumulation and propagation of mCPs in matter, specifically inside the Earth. Even small values of millicharge lead to sizeable scattering cross sections on atoms, resulting in complete thermalization, and as a consequence, considerable build-up of number densities of mCPs, especially for the values of masses of GeV and higher when the evaporation becomes inhibited. Enhancement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.03957","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/2012.03957/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":"2012.03957","created_at":"2026-07-05T02:53:30.307290+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.03957v2","created_at":"2026-07-05T02:53:30.307290+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.03957","created_at":"2026-07-05T02:53:30.307290+00:00"},{"alias_kind":"pith_short_12","alias_value":"6XULJDZJ3Y62","created_at":"2026-07-05T02:53:30.307290+00:00"},{"alias_kind":"pith_short_16","alias_value":"6XULJDZJ3Y62AGJV","created_at":"2026-07-05T02:53:30.307290+00:00"},{"alias_kind":"pith_short_8","alias_value":"6XULJDZJ","created_at":"2026-07-05T02:53:30.307290+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.09998","citing_title":"Constraints and Projections for Millicharged Dark Matter in the Sun with Water Cherenkov Neutrino Detectors","ref_index":109,"is_internal_anchor":false},{"citing_arxiv_id":"2605.30422","citing_title":"Millicharged Particle Constraints from Asymptotic Giant Branch Stars","ref_index":46,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG","json":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG.json","graph_json":"https://pith.science/api/pith-number/6XULJDZJ3Y62AGJVZVLDPX4TFG/graph.json","events_json":"https://pith.science/api/pith-number/6XULJDZJ3Y62AGJVZVLDPX4TFG/events.json","paper":"https://pith.science/paper/6XULJDZJ"},"agent_actions":{"view_html":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG","download_json":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG.json","view_paper":"https://pith.science/paper/6XULJDZJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.03957&json=true","fetch_graph":"https://pith.science/api/pith-number/6XULJDZJ3Y62AGJVZVLDPX4TFG/graph.json","fetch_events":"https://pith.science/api/pith-number/6XULJDZJ3Y62AGJVZVLDPX4TFG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG/action/storage_attestation","attest_author":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG/action/author_attestation","sign_citation":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG/action/citation_signature","submit_replication":"https://pith.science/pith/6XULJDZJ3Y62AGJVZVLDPX4TFG/action/replication_record"}},"created_at":"2026-07-05T02:53:30.307290+00:00","updated_at":"2026-07-05T02:53:30.307290+00:00"}