{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4CPOMK3SL5HP46JGNFYOFUD25D","short_pith_number":"pith:4CPOMK3S","schema_version":"1.0","canonical_sha256":"e09ee62b725f4efe79266970e2d07ae8d8cd79903fe0c4e8a6897258255fecca","source":{"kind":"arxiv","id":"1804.03818","version":1},"attestation_state":"computed","paper":{"title":"Polytropic Inspired Inflation on the Brane","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Arvin Ravanpak, Hossein Farajollahi, Mohammad Reza Setare","submitted_at":"2018-04-11T05:27:34Z","abstract_excerpt":"The brane inflationary model inspired by a polytropic inflationary idea is studied. In the slow-roll approximation and high energy limit, for a chaotic potential, the model is developed, and its characteristics are discussed. We obtain explicit expressions for the scalar power spectrum, the tensor-scalar ratio, the scalar spectral index and its running in terms of the polytropic parameters. We find a new constraint on the energy scale of the inflation and the brane tension using the WMAP9 data."},"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":"1804.03818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-11T05:27:34Z","cross_cats_sorted":[],"title_canon_sha256":"2c37e7f3cefe5a9bc7d2b6ccc528464a8360bc51a4eac5696c06120d905b85e0","abstract_canon_sha256":"da89617ddb5baf2fd84edbfa8bfd542341e40c4e4fea6effcc8d4200a4b0d7a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:25.008497Z","signature_b64":"beGk6GOiZdGz0FFBvhuG6in9TT42u9rY4X5QxLhuCvlJoayMzkOPOd8JhraLFSxJ5x2YX7O2UdhExDvWlRDvBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e09ee62b725f4efe79266970e2d07ae8d8cd79903fe0c4e8a6897258255fecca","last_reissued_at":"2026-05-18T00:18:25.007857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:25.007857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Polytropic Inspired Inflation on the Brane","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Arvin Ravanpak, Hossein Farajollahi, Mohammad Reza Setare","submitted_at":"2018-04-11T05:27:34Z","abstract_excerpt":"The brane inflationary model inspired by a polytropic inflationary idea is studied. In the slow-roll approximation and high energy limit, for a chaotic potential, the model is developed, and its characteristics are discussed. We obtain explicit expressions for the scalar power spectrum, the tensor-scalar ratio, the scalar spectral index and its running in terms of the polytropic parameters. We find a new constraint on the energy scale of the inflation and the brane tension using the WMAP9 data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03818","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":"1804.03818","created_at":"2026-05-18T00:18:25.007947+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.03818v1","created_at":"2026-05-18T00:18:25.007947+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03818","created_at":"2026-05-18T00:18:25.007947+00:00"},{"alias_kind":"pith_short_12","alias_value":"4CPOMK3SL5HP","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4CPOMK3SL5HP46JG","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4CPOMK3S","created_at":"2026-05-18T12:32:05.422762+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/4CPOMK3SL5HP46JGNFYOFUD25D","json":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D.json","graph_json":"https://pith.science/api/pith-number/4CPOMK3SL5HP46JGNFYOFUD25D/graph.json","events_json":"https://pith.science/api/pith-number/4CPOMK3SL5HP46JGNFYOFUD25D/events.json","paper":"https://pith.science/paper/4CPOMK3S"},"agent_actions":{"view_html":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D","download_json":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D.json","view_paper":"https://pith.science/paper/4CPOMK3S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.03818&json=true","fetch_graph":"https://pith.science/api/pith-number/4CPOMK3SL5HP46JGNFYOFUD25D/graph.json","fetch_events":"https://pith.science/api/pith-number/4CPOMK3SL5HP46JGNFYOFUD25D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D/action/storage_attestation","attest_author":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D/action/author_attestation","sign_citation":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D/action/citation_signature","submit_replication":"https://pith.science/pith/4CPOMK3SL5HP46JGNFYOFUD25D/action/replication_record"}},"created_at":"2026-05-18T00:18:25.007947+00:00","updated_at":"2026-05-18T00:18:25.007947+00:00"}