{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:BIKOAE3CXPQOCJBNIZQ3U5LMRN","short_pith_number":"pith:BIKOAE3C","schema_version":"1.0","canonical_sha256":"0a14e01362bbe0e1242d4661ba756c8b5d45ad55dbfbf1cc1a57b03bdefd4015","source":{"kind":"arxiv","id":"1909.01457","version":2},"attestation_state":"computed","paper":{"title":"Freeze-in Production of Dark Matter Prior to Early Matter Domination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"hep-ph","authors_text":"Jacek K. Osi\\'nski, Rouzbeh Allahverdi","submitted_at":"2019-09-03T21:16:47Z","abstract_excerpt":"Freeze-out or freeze-in during a period of early matter domination can yield the correct dark matter abundance for small values of the velocity-averaged annihilation cross section, $\\langle \\sigma_{\\rm ann} v \\rangle_{\\rm f} < 3 \\times 10^{-26}$ cm$^3$ s$^{-1}$. However, in a generic non-standard thermal history, such a period is typically preceded by other phases. Here, we study production of dark matter in a simple post-inflationary history where a radiation-dominated phase after reheating is followed by an epoch of early matter domination. Focusing on the freeze-in regime, we show that dark"},"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":"1909.01457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-03T21:16:47Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"137b949d7b143ac81aba9efbbc9bf08331aed9ee107228f96428c109165c11a2","abstract_canon_sha256":"4ce7a3ea60fa58dfead2a092cbb437a8687a824e5a134e5d75a1f04609f8c850"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:46:48.349194Z","signature_b64":"PHBY+NO2YIpMSQIOVk1EyjJgRhroUHOTADSEcssHW6K9jClyX/rdb4Ib88KV8Bw74zLIAOgtjW8IU1YSRTSaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a14e01362bbe0e1242d4661ba756c8b5d45ad55dbfbf1cc1a57b03bdefd4015","last_reissued_at":"2026-07-05T00:46:48.348732Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:46:48.348732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Freeze-in Production of Dark Matter Prior to Early Matter Domination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"hep-ph","authors_text":"Jacek K. Osi\\'nski, Rouzbeh Allahverdi","submitted_at":"2019-09-03T21:16:47Z","abstract_excerpt":"Freeze-out or freeze-in during a period of early matter domination can yield the correct dark matter abundance for small values of the velocity-averaged annihilation cross section, $\\langle \\sigma_{\\rm ann} v \\rangle_{\\rm f} < 3 \\times 10^{-26}$ cm$^3$ s$^{-1}$. However, in a generic non-standard thermal history, such a period is typically preceded by other phases. Here, we study production of dark matter in a simple post-inflationary history where a radiation-dominated phase after reheating is followed by an epoch of early matter domination. Focusing on the freeze-in regime, we show that dark"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.01457","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/1909.01457/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":"1909.01457","created_at":"2026-07-05T00:46:48.348791+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.01457v2","created_at":"2026-07-05T00:46:48.348791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.01457","created_at":"2026-07-05T00:46:48.348791+00:00"},{"alias_kind":"pith_short_12","alias_value":"BIKOAE3CXPQO","created_at":"2026-07-05T00:46:48.348791+00:00"},{"alias_kind":"pith_short_16","alias_value":"BIKOAE3CXPQOCJBN","created_at":"2026-07-05T00:46:48.348791+00:00"},{"alias_kind":"pith_short_8","alias_value":"BIKOAE3C","created_at":"2026-07-05T00:46:48.348791+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.21885","citing_title":"Gravitational wave signatures of primordial black hole accretion during early matter domination","ref_index":77,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN","json":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN.json","graph_json":"https://pith.science/api/pith-number/BIKOAE3CXPQOCJBNIZQ3U5LMRN/graph.json","events_json":"https://pith.science/api/pith-number/BIKOAE3CXPQOCJBNIZQ3U5LMRN/events.json","paper":"https://pith.science/paper/BIKOAE3C"},"agent_actions":{"view_html":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN","download_json":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN.json","view_paper":"https://pith.science/paper/BIKOAE3C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.01457&json=true","fetch_graph":"https://pith.science/api/pith-number/BIKOAE3CXPQOCJBNIZQ3U5LMRN/graph.json","fetch_events":"https://pith.science/api/pith-number/BIKOAE3CXPQOCJBNIZQ3U5LMRN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN/action/storage_attestation","attest_author":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN/action/author_attestation","sign_citation":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN/action/citation_signature","submit_replication":"https://pith.science/pith/BIKOAE3CXPQOCJBNIZQ3U5LMRN/action/replication_record"}},"created_at":"2026-07-05T00:46:48.348791+00:00","updated_at":"2026-07-05T00:46:48.348791+00:00"}