{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:ARZP5NCAP6AJSJJJH5RCLYEYJJ","short_pith_number":"pith:ARZP5NCA","schema_version":"1.0","canonical_sha256":"0472feb4407f809925293f6225e0984a77db3fc7616fd61454b0759380582f03","source":{"kind":"arxiv","id":"2301.07403","version":2},"attestation_state":"computed","paper":{"title":"Implication of island for inflation and primordial perturbations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Yun-Song Piao","submitted_at":"2023-01-18T09:57:42Z","abstract_excerpt":"It is usually thought that the efolds number of inflation must be bounded by its de Sitter entropy, otherwise we will have an information paradox. However, in light of the island rule for computing the entanglement entropy, we show that such a bound might be nonexistent, while the information flux of primordial perturbation modes the observer after inflation is able to detect follows a Page curve. In corresponding eternally inflating spacetime, it seems that our slow-roll inflation patch is accompanied with a neighbourly collapsed patch (eventually developing into a black hole) so that its Haw"},"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":"2301.07403","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-01-18T09:57:42Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"4199bbd39a3b48ce8fbfa5a9a36dbeb4590674abed4aa2c15c1777087a96c233","abstract_canon_sha256":"17034681b1962b0dcd94f623a857b08ef643347daf2bcecb61781fb585a554aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:21:57.914695Z","signature_b64":"wAvLvtMcIVYsFxmiYu2MMy7q26oyty5CqvrQrc7exud4EpsebiGTUspp6ie4RwIxTfStZ3jWG4Ahupds+t8yBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0472feb4407f809925293f6225e0984a77db3fc7616fd61454b0759380582f03","last_reissued_at":"2026-07-05T06:21:57.914259Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:21:57.914259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Implication of island for inflation and primordial perturbations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Yun-Song Piao","submitted_at":"2023-01-18T09:57:42Z","abstract_excerpt":"It is usually thought that the efolds number of inflation must be bounded by its de Sitter entropy, otherwise we will have an information paradox. However, in light of the island rule for computing the entanglement entropy, we show that such a bound might be nonexistent, while the information flux of primordial perturbation modes the observer after inflation is able to detect follows a Page curve. In corresponding eternally inflating spacetime, it seems that our slow-roll inflation patch is accompanied with a neighbourly collapsed patch (eventually developing into a black hole) so that its Haw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.07403","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/2301.07403/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":"2301.07403","created_at":"2026-07-05T06:21:57.914320+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.07403v2","created_at":"2026-07-05T06:21:57.914320+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.07403","created_at":"2026-07-05T06:21:57.914320+00:00"},{"alias_kind":"pith_short_12","alias_value":"ARZP5NCAP6AJ","created_at":"2026-07-05T06:21:57.914320+00:00"},{"alias_kind":"pith_short_16","alias_value":"ARZP5NCAP6AJSJJJ","created_at":"2026-07-05T06:21:57.914320+00:00"},{"alias_kind":"pith_short_8","alias_value":"ARZP5NCA","created_at":"2026-07-05T06:21:57.914320+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.08380","citing_title":"Phase transition in a doubly holographic model of closed $\\mathbf{dS_{2} }$ spacetime","ref_index":42,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ","json":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ.json","graph_json":"https://pith.science/api/pith-number/ARZP5NCAP6AJSJJJH5RCLYEYJJ/graph.json","events_json":"https://pith.science/api/pith-number/ARZP5NCAP6AJSJJJH5RCLYEYJJ/events.json","paper":"https://pith.science/paper/ARZP5NCA"},"agent_actions":{"view_html":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ","download_json":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ.json","view_paper":"https://pith.science/paper/ARZP5NCA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.07403&json=true","fetch_graph":"https://pith.science/api/pith-number/ARZP5NCAP6AJSJJJH5RCLYEYJJ/graph.json","fetch_events":"https://pith.science/api/pith-number/ARZP5NCAP6AJSJJJH5RCLYEYJJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ/action/storage_attestation","attest_author":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ/action/author_attestation","sign_citation":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ/action/citation_signature","submit_replication":"https://pith.science/pith/ARZP5NCAP6AJSJJJH5RCLYEYJJ/action/replication_record"}},"created_at":"2026-07-05T06:21:57.914320+00:00","updated_at":"2026-07-05T06:21:57.914320+00:00"}