{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:MDRYJ6P2Z5755FQUVZZFLGZB6Y","short_pith_number":"pith:MDRYJ6P2","schema_version":"1.0","canonical_sha256":"60e384f9facf7fde9614ae72559b21f61878858e8e0a63c84fde9c563601f81f","source":{"kind":"arxiv","id":"1908.08784","version":2},"attestation_state":"computed","paper":{"title":"A mechanism for formation of Bose-Einstein condensation in cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Kemal G\\\"ultekin, Recai Erdem","submitted_at":"2019-08-23T15:50:32Z","abstract_excerpt":"We introduce a toy model of scalar particles with a trilinear scalar coupling in cosmology. The trilinear coupling $\\phi^2\\chi$ causes production of non-relativistic $\\phi$ particles through the process $\\chi\\chi\\,\\rightarrow\\,\\phi\\phi$ where, initially, only relativistic $\\chi$ particles are present. We consider the initial times of $\\chi\\chi\\,\\rightarrow\\,\\phi\\phi$ and observe that the curved space effects promote formation of Bose-Einstein condensate of $\\phi$ particles."},"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":"1908.08784","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T15:50:32Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"edf89e3f4cefbd18d73b87160d57d4a92959047fec91b73fc01d9c5a97c1f0ca","abstract_canon_sha256":"b23af697602fdddaf8fa1ab67fdc62f83f15d64a05e9a13e1798a26f43c00231"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:17:12.067066Z","signature_b64":"7dhNVtGXYbhru33gTMfd2ar+0P1koo04K/V6ywfMq3Rpile1Fn47EA3veMIL852gmfDDM+Qm6+jDaxAIRN0PCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60e384f9facf7fde9614ae72559b21f61878858e8e0a63c84fde9c563601f81f","last_reissued_at":"2026-07-05T00:17:12.066574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:17:12.066574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A mechanism for formation of Bose-Einstein condensation in cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Kemal G\\\"ultekin, Recai Erdem","submitted_at":"2019-08-23T15:50:32Z","abstract_excerpt":"We introduce a toy model of scalar particles with a trilinear scalar coupling in cosmology. The trilinear coupling $\\phi^2\\chi$ causes production of non-relativistic $\\phi$ particles through the process $\\chi\\chi\\,\\rightarrow\\,\\phi\\phi$ where, initially, only relativistic $\\chi$ particles are present. We consider the initial times of $\\chi\\chi\\,\\rightarrow\\,\\phi\\phi$ and observe that the curved space effects promote formation of Bose-Einstein condensate of $\\phi$ particles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.08784","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/1908.08784/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":"1908.08784","created_at":"2026-07-05T00:17:12.066627+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.08784v2","created_at":"2026-07-05T00:17:12.066627+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.08784","created_at":"2026-07-05T00:17:12.066627+00:00"},{"alias_kind":"pith_short_12","alias_value":"MDRYJ6P2Z575","created_at":"2026-07-05T00:17:12.066627+00:00"},{"alias_kind":"pith_short_16","alias_value":"MDRYJ6P2Z5755FQU","created_at":"2026-07-05T00:17:12.066627+00:00"},{"alias_kind":"pith_short_8","alias_value":"MDRYJ6P2","created_at":"2026-07-05T00:17:12.066627+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.07121","citing_title":"Vortex-reconnection energy bounds in Bose-Einstein-condensed and superfluid dark matter halos","ref_index":108,"is_internal_anchor":true},{"citing_arxiv_id":"2508.19770","citing_title":"Gravitational particle production, the cosmological tensions and fast radio bursts","ref_index":87,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y","json":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y.json","graph_json":"https://pith.science/api/pith-number/MDRYJ6P2Z5755FQUVZZFLGZB6Y/graph.json","events_json":"https://pith.science/api/pith-number/MDRYJ6P2Z5755FQUVZZFLGZB6Y/events.json","paper":"https://pith.science/paper/MDRYJ6P2"},"agent_actions":{"view_html":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y","download_json":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y.json","view_paper":"https://pith.science/paper/MDRYJ6P2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.08784&json=true","fetch_graph":"https://pith.science/api/pith-number/MDRYJ6P2Z5755FQUVZZFLGZB6Y/graph.json","fetch_events":"https://pith.science/api/pith-number/MDRYJ6P2Z5755FQUVZZFLGZB6Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y/action/storage_attestation","attest_author":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y/action/author_attestation","sign_citation":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y/action/citation_signature","submit_replication":"https://pith.science/pith/MDRYJ6P2Z5755FQUVZZFLGZB6Y/action/replication_record"}},"created_at":"2026-07-05T00:17:12.066627+00:00","updated_at":"2026-07-05T00:17:12.066627+00:00"}