{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:C5OC5NFLM2YAF36RBDR7EV4ZNS","short_pith_number":"pith:C5OC5NFL","schema_version":"1.0","canonical_sha256":"175c2eb4ab66b002efd108e3f257996c8b72209da5ff40ce10522ba298b67aaf","source":{"kind":"arxiv","id":"1603.06580","version":2},"attestation_state":"computed","paper":{"title":"Ultralight Repulsive Dark Matter and BEC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"hep-ph","authors_text":"JiJi Fan","submitted_at":"2016-03-21T20:00:02Z","abstract_excerpt":"Ultralight scalar dark matter with mass at or below the eV scale and pressure from repulsive self-interaction could form a Bose-Einstein condensate in the early Universe and maybe in galaxies as well. It has been suggested to be a possible solution to the cusp/core problem or even to explain MOND phenomenology. In this paper, I initiate a study of possible self-interactions of ultralight scalar dark matter from the particle physics point of view. To protect its mass, the scalar dark matter is identified as a pseudo Nambu-Goldstone boson (pNGB). Quite a few pNGB models with different potentials"},"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":"1603.06580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-03-21T20:00:02Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"a26c203bee06f3ca45fbd65d21f0b88245129fec224b36af7eb01ce9c8a1f4e7","abstract_canon_sha256":"34fbd5527aa6836fcdae1aea7920fb7161c9373ef455b3deb37d5bc57f259d12"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:37.446772Z","signature_b64":"qYFcutaXzceUou0lHVkGPztJRWdn0WJVb4bbtWYnjL8OiXR9v09VzKHY9LIHgA8ZmW0VKSGDJlc17Y/WSh/TBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"175c2eb4ab66b002efd108e3f257996c8b72209da5ff40ce10522ba298b67aaf","last_reissued_at":"2026-05-18T01:16:37.446016Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:37.446016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultralight Repulsive Dark Matter and BEC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"hep-ph","authors_text":"JiJi Fan","submitted_at":"2016-03-21T20:00:02Z","abstract_excerpt":"Ultralight scalar dark matter with mass at or below the eV scale and pressure from repulsive self-interaction could form a Bose-Einstein condensate in the early Universe and maybe in galaxies as well. It has been suggested to be a possible solution to the cusp/core problem or even to explain MOND phenomenology. In this paper, I initiate a study of possible self-interactions of ultralight scalar dark matter from the particle physics point of view. To protect its mass, the scalar dark matter is identified as a pseudo Nambu-Goldstone boson (pNGB). Quite a few pNGB models with different potentials"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06580","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":""},"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":"1603.06580","created_at":"2026-05-18T01:16:37.446138+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.06580v2","created_at":"2026-05-18T01:16:37.446138+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06580","created_at":"2026-05-18T01:16:37.446138+00:00"},{"alias_kind":"pith_short_12","alias_value":"C5OC5NFLM2YA","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"C5OC5NFLM2YAF36R","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"C5OC5NFL","created_at":"2026-05-18T12:30:09.641336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS","json":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS.json","graph_json":"https://pith.science/api/pith-number/C5OC5NFLM2YAF36RBDR7EV4ZNS/graph.json","events_json":"https://pith.science/api/pith-number/C5OC5NFLM2YAF36RBDR7EV4ZNS/events.json","paper":"https://pith.science/paper/C5OC5NFL"},"agent_actions":{"view_html":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS","download_json":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS.json","view_paper":"https://pith.science/paper/C5OC5NFL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.06580&json=true","fetch_graph":"https://pith.science/api/pith-number/C5OC5NFLM2YAF36RBDR7EV4ZNS/graph.json","fetch_events":"https://pith.science/api/pith-number/C5OC5NFLM2YAF36RBDR7EV4ZNS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS/action/storage_attestation","attest_author":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS/action/author_attestation","sign_citation":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS/action/citation_signature","submit_replication":"https://pith.science/pith/C5OC5NFLM2YAF36RBDR7EV4ZNS/action/replication_record"}},"created_at":"2026-05-18T01:16:37.446138+00:00","updated_at":"2026-05-18T01:16:37.446138+00:00"}