{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:4ISS2XQFYYYK2U4W4D774P7FMF","short_pith_number":"pith:4ISS2XQF","schema_version":"1.0","canonical_sha256":"e2252d5e05c630ad5396e0fffe3fe561524414c5c16994b7a6c64d09ee095c02","source":{"kind":"arxiv","id":"1009.3372","version":1},"attestation_state":"computed","paper":{"title":"Evidences for bouncing evolution before inflation in cosmological surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Hong Li, Jie Liu, Yi-Fu Cai","submitted_at":"2010-09-17T09:07:50Z","abstract_excerpt":"Inflationary cosmology with a preceding nonsingular bounce can lead to changes on the primordial density fluctuations. One significant prediction is that the amplitude of the power spectrum may undergo a jump at a critical scale. In this Letter we propose a phenomenological parametrization of the primordial power spectrum in this scenario and confront the jump feature with latest cosmological data. Performing a global fitting, we utilize this possibility to derive a novel method for constraining bounce parameters via cosmological measurements. Combining the CMB, LSS and SNIa data, our result i"},"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":"1009.3372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-09-17T09:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"883508f7a59e7967f1bb283a5c48eb8d344fdfe15e3934952157c1dc226d8b7b","abstract_canon_sha256":"3c71b240af5782fe6e44edcded493853340e24d518f7bd7f58f53b2728cfb6e0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:24.902578Z","signature_b64":"k5GYHYpc5ip3Zta8vv/+uzXpK7x7ez+AYh8neExBRDwMxwkyvKrPLul2w2Mvd3yvOzZgear+drHolhDRU308Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2252d5e05c630ad5396e0fffe3fe561524414c5c16994b7a6c64d09ee095c02","last_reissued_at":"2026-05-18T03:58:24.901900Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:24.901900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidences for bouncing evolution before inflation in cosmological surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Hong Li, Jie Liu, Yi-Fu Cai","submitted_at":"2010-09-17T09:07:50Z","abstract_excerpt":"Inflationary cosmology with a preceding nonsingular bounce can lead to changes on the primordial density fluctuations. One significant prediction is that the amplitude of the power spectrum may undergo a jump at a critical scale. In this Letter we propose a phenomenological parametrization of the primordial power spectrum in this scenario and confront the jump feature with latest cosmological data. Performing a global fitting, we utilize this possibility to derive a novel method for constraining bounce parameters via cosmological measurements. Combining the CMB, LSS and SNIa data, our result i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.3372","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":""},"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":"1009.3372","created_at":"2026-05-18T03:58:24.902037+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.3372v1","created_at":"2026-05-18T03:58:24.902037+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.3372","created_at":"2026-05-18T03:58:24.902037+00:00"},{"alias_kind":"pith_short_12","alias_value":"4ISS2XQFYYYK","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"4ISS2XQFYYYK2U4W","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"4ISS2XQF","created_at":"2026-05-18T12:26:03.138858+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/4ISS2XQFYYYK2U4W4D774P7FMF","json":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF.json","graph_json":"https://pith.science/api/pith-number/4ISS2XQFYYYK2U4W4D774P7FMF/graph.json","events_json":"https://pith.science/api/pith-number/4ISS2XQFYYYK2U4W4D774P7FMF/events.json","paper":"https://pith.science/paper/4ISS2XQF"},"agent_actions":{"view_html":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF","download_json":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF.json","view_paper":"https://pith.science/paper/4ISS2XQF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.3372&json=true","fetch_graph":"https://pith.science/api/pith-number/4ISS2XQFYYYK2U4W4D774P7FMF/graph.json","fetch_events":"https://pith.science/api/pith-number/4ISS2XQFYYYK2U4W4D774P7FMF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF/action/storage_attestation","attest_author":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF/action/author_attestation","sign_citation":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF/action/citation_signature","submit_replication":"https://pith.science/pith/4ISS2XQFYYYK2U4W4D774P7FMF/action/replication_record"}},"created_at":"2026-05-18T03:58:24.902037+00:00","updated_at":"2026-05-18T03:58:24.902037+00:00"}