{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:LNXO4ST57MAPPINXULZMLU6SVV","short_pith_number":"pith:LNXO4ST5","schema_version":"1.0","canonical_sha256":"5b6eee4a7dfb00f7a1b7a2f2c5d3d2ad4a28b3e9120c8f1540e051c6b5280d81","source":{"kind":"arxiv","id":"2207.14532","version":1},"attestation_state":"computed","paper":{"title":"Enhance Primordial Black Hole Abundance through the Non-linear Processes around Bounce Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jie-Wen Chen, Mian Zhu, Qing-Qing Wang, Sheng-Feng Yan, Yifu Cai","submitted_at":"2022-07-29T07:58:11Z","abstract_excerpt":"The non-singular bouncing cosmology is an alternative paradigm to inflation, wherein the background energy density vanishes at the bounce point, in the context of Einstein gravity. Therefore, the non-linear effects in the evolution of density fluctuations ($\\delta \\rho$) may be strong in the bounce phase, which potentially provides a mechanism to enhance the abundance of primordial black holes (PBHs). This article presents a comprehensive illustration for PBH enhancement due to the bounce phase. To calculate the non-linear evolution of $\\delta \\rho$, the Raychaudhuri equation is numerically so"},"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":"2207.14532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-29T07:58:11Z","cross_cats_sorted":[],"title_canon_sha256":"b25c6b12727e515d2e20eff20db23cf167798da62e760de7451d97dd278eb92f","abstract_canon_sha256":"2f7e19e2af7a4358d6e579b87239f25576f1e90bae2f7ce6555119c5b402b5d4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:41:23.986586Z","signature_b64":"XvfLzqgnqM6N3u/GZm6VCAxpJo3weErBnG3ejBKdm+cuxVF+kiJxHUvkfrPKe9a6H22AUMVM8EyftSrn48plBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b6eee4a7dfb00f7a1b7a2f2c5d3d2ad4a28b3e9120c8f1540e051c6b5280d81","last_reissued_at":"2026-07-05T05:41:23.986118Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:41:23.986118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhance Primordial Black Hole Abundance through the Non-linear Processes around Bounce Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jie-Wen Chen, Mian Zhu, Qing-Qing Wang, Sheng-Feng Yan, Yifu Cai","submitted_at":"2022-07-29T07:58:11Z","abstract_excerpt":"The non-singular bouncing cosmology is an alternative paradigm to inflation, wherein the background energy density vanishes at the bounce point, in the context of Einstein gravity. Therefore, the non-linear effects in the evolution of density fluctuations ($\\delta \\rho$) may be strong in the bounce phase, which potentially provides a mechanism to enhance the abundance of primordial black holes (PBHs). This article presents a comprehensive illustration for PBH enhancement due to the bounce phase. To calculate the non-linear evolution of $\\delta \\rho$, the Raychaudhuri equation is numerically so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.14532","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.14532/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":"2207.14532","created_at":"2026-07-05T05:41:23.986174+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.14532v1","created_at":"2026-07-05T05:41:23.986174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.14532","created_at":"2026-07-05T05:41:23.986174+00:00"},{"alias_kind":"pith_short_12","alias_value":"LNXO4ST57MAP","created_at":"2026-07-05T05:41:23.986174+00:00"},{"alias_kind":"pith_short_16","alias_value":"LNXO4ST57MAPPINX","created_at":"2026-07-05T05:41:23.986174+00:00"},{"alias_kind":"pith_short_8","alias_value":"LNXO4ST5","created_at":"2026-07-05T05:41:23.986174+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.28953","citing_title":"Signatures of loop quantum gravity in primordial black hole cosmologies","ref_index":36,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV","json":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV.json","graph_json":"https://pith.science/api/pith-number/LNXO4ST57MAPPINXULZMLU6SVV/graph.json","events_json":"https://pith.science/api/pith-number/LNXO4ST57MAPPINXULZMLU6SVV/events.json","paper":"https://pith.science/paper/LNXO4ST5"},"agent_actions":{"view_html":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV","download_json":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV.json","view_paper":"https://pith.science/paper/LNXO4ST5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.14532&json=true","fetch_graph":"https://pith.science/api/pith-number/LNXO4ST57MAPPINXULZMLU6SVV/graph.json","fetch_events":"https://pith.science/api/pith-number/LNXO4ST57MAPPINXULZMLU6SVV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV/action/storage_attestation","attest_author":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV/action/author_attestation","sign_citation":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV/action/citation_signature","submit_replication":"https://pith.science/pith/LNXO4ST57MAPPINXULZMLU6SVV/action/replication_record"}},"created_at":"2026-07-05T05:41:23.986174+00:00","updated_at":"2026-07-05T05:41:23.986174+00:00"}