{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:YKZACCOES62MTHCYF3VVUT4CKK","short_pith_number":"pith:YKZACCOE","schema_version":"1.0","canonical_sha256":"c2b20109c497b4c99c582eeb5a4f8252998f2ded3ec86bf9029ce982e08ce6d0","source":{"kind":"arxiv","id":"1002.3659","version":3},"attestation_state":"computed","paper":{"title":"Slow-roll inflation in (R+R*4) gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"N. Watanabe, S. Kaneda, S.V. Ketov","submitted_at":"2010-02-19T02:41:34Z","abstract_excerpt":"We reconsider the toy-model of topological inflation, based on the R*4-modified gravity. By using its equivalence to the certain scalar-tensor gravity model in four space-time dimensions, we compute the inflaton scalar potential and investigate a possibility of inflation. We confirm the existence of the slow-roll inflation with an exit. However, the model suffers from the eta-problem that gives rise to the unacceptable value of the spectral index n_s of scalar perturbations."},"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":"1002.3659","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-02-19T02:41:34Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"60e05106d32fa153abef12cc50810bde6c323ed61bf4750a7c3e75b283ac4962","abstract_canon_sha256":"45336205d8c68b825bc370e97acfb256d94c35249757d508077580e451ad94ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:52.416140Z","signature_b64":"FTvxzRoNFPC27eVYa3YoMp0tCcrg20pHX1G7VEE1/WGBCWdqq9wKEexcD61pkv44pJ12sgi8/+i6ngTDojG5CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2b20109c497b4c99c582eeb5a4f8252998f2ded3ec86bf9029ce982e08ce6d0","last_reissued_at":"2026-05-18T04:31:52.415733Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:52.415733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Slow-roll inflation in (R+R*4) gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"N. Watanabe, S. Kaneda, S.V. Ketov","submitted_at":"2010-02-19T02:41:34Z","abstract_excerpt":"We reconsider the toy-model of topological inflation, based on the R*4-modified gravity. By using its equivalence to the certain scalar-tensor gravity model in four space-time dimensions, we compute the inflaton scalar potential and investigate a possibility of inflation. We confirm the existence of the slow-roll inflation with an exit. However, the model suffers from the eta-problem that gives rise to the unacceptable value of the spectral index n_s of scalar perturbations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.3659","kind":"arxiv","version":3},"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":"1002.3659","created_at":"2026-05-18T04:31:52.415789+00:00"},{"alias_kind":"arxiv_version","alias_value":"1002.3659v3","created_at":"2026-05-18T04:31:52.415789+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.3659","created_at":"2026-05-18T04:31:52.415789+00:00"},{"alias_kind":"pith_short_12","alias_value":"YKZACCOES62M","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"YKZACCOES62MTHCY","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"YKZACCOE","created_at":"2026-05-18T12:26:17.028572+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.21220","citing_title":"Primordial black holes formation in inflationary $F(R)$ models with scalar fields","ref_index":71,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK","json":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK.json","graph_json":"https://pith.science/api/pith-number/YKZACCOES62MTHCYF3VVUT4CKK/graph.json","events_json":"https://pith.science/api/pith-number/YKZACCOES62MTHCYF3VVUT4CKK/events.json","paper":"https://pith.science/paper/YKZACCOE"},"agent_actions":{"view_html":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK","download_json":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK.json","view_paper":"https://pith.science/paper/YKZACCOE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1002.3659&json=true","fetch_graph":"https://pith.science/api/pith-number/YKZACCOES62MTHCYF3VVUT4CKK/graph.json","fetch_events":"https://pith.science/api/pith-number/YKZACCOES62MTHCYF3VVUT4CKK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK/action/storage_attestation","attest_author":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK/action/author_attestation","sign_citation":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK/action/citation_signature","submit_replication":"https://pith.science/pith/YKZACCOES62MTHCYF3VVUT4CKK/action/replication_record"}},"created_at":"2026-05-18T04:31:52.415789+00:00","updated_at":"2026-05-18T04:31:52.415789+00:00"}