{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4MJPZBJURXYNMJ6ZFJGPBLOAJX","short_pith_number":"pith:4MJPZBJU","schema_version":"1.0","canonical_sha256":"e312fc85348df0d627d92a4cf0adc04de27114ae0eb7f57d843563151ccd9ddd","source":{"kind":"arxiv","id":"1509.03266","version":2},"attestation_state":"computed","paper":{"title":"Perfect fluid and F(T) gravity descriptions of inflationary universe and comparison with obervational data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"I. G. Salako, J. Tossa, M. E. Rodrigues, M. G. Ganiou, M. J. S. Houndjo","submitted_at":"2015-09-04T05:48:00Z","abstract_excerpt":"We describe in this paper the observables of inflationary models, in particular the spectrum index of torsion scalar perturbations, the tensor-to-scalar ratio, and the running of the spectral index, in the framework of perfect fluid models and F(T) gravity theories through the reconstruction methods. Then, our results on the perfect fluid and F(T) gravity theories of inflation are compared with recent cosmological observations such as the Planck satellite and BICEP2 experiment. Ours studies prove that the perfect fluid and F(T) gravity models can reproduce the inflationary universe consistent "},"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":"1509.03266","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-09-04T05:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"649609e898a9db7dd2c41cf2bc543a45f4deed88d33708de472feb8bdd1531fa","abstract_canon_sha256":"85bf58fbafcb35d253bab983625d05eafb05410a5fedd3bb616e78611dbdc65a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:08.013251Z","signature_b64":"YGC1lRJww3zJJqEb9+Hh1acBR3blUXW4J7WWZOsD9eWJHFH1nh2LnEeb4HCY/V1o7E8zJ15lGt1gERZOsUOHCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e312fc85348df0d627d92a4cf0adc04de27114ae0eb7f57d843563151ccd9ddd","last_reissued_at":"2026-05-18T01:12:08.012728Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:08.012728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Perfect fluid and F(T) gravity descriptions of inflationary universe and comparison with obervational data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"I. G. Salako, J. Tossa, M. E. Rodrigues, M. G. Ganiou, M. J. S. Houndjo","submitted_at":"2015-09-04T05:48:00Z","abstract_excerpt":"We describe in this paper the observables of inflationary models, in particular the spectrum index of torsion scalar perturbations, the tensor-to-scalar ratio, and the running of the spectral index, in the framework of perfect fluid models and F(T) gravity theories through the reconstruction methods. Then, our results on the perfect fluid and F(T) gravity theories of inflation are compared with recent cosmological observations such as the Planck satellite and BICEP2 experiment. Ours studies prove that the perfect fluid and F(T) gravity models can reproduce the inflationary universe consistent "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03266","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":""},"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":"1509.03266","created_at":"2026-05-18T01:12:08.012823+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.03266v2","created_at":"2026-05-18T01:12:08.012823+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03266","created_at":"2026-05-18T01:12:08.012823+00:00"},{"alias_kind":"pith_short_12","alias_value":"4MJPZBJURXYN","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4MJPZBJURXYNMJ6Z","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4MJPZBJU","created_at":"2026-05-18T12:29:05.191682+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/4MJPZBJURXYNMJ6ZFJGPBLOAJX","json":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX.json","graph_json":"https://pith.science/api/pith-number/4MJPZBJURXYNMJ6ZFJGPBLOAJX/graph.json","events_json":"https://pith.science/api/pith-number/4MJPZBJURXYNMJ6ZFJGPBLOAJX/events.json","paper":"https://pith.science/paper/4MJPZBJU"},"agent_actions":{"view_html":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX","download_json":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX.json","view_paper":"https://pith.science/paper/4MJPZBJU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.03266&json=true","fetch_graph":"https://pith.science/api/pith-number/4MJPZBJURXYNMJ6ZFJGPBLOAJX/graph.json","fetch_events":"https://pith.science/api/pith-number/4MJPZBJURXYNMJ6ZFJGPBLOAJX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX/action/storage_attestation","attest_author":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX/action/author_attestation","sign_citation":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX/action/citation_signature","submit_replication":"https://pith.science/pith/4MJPZBJURXYNMJ6ZFJGPBLOAJX/action/replication_record"}},"created_at":"2026-05-18T01:12:08.012823+00:00","updated_at":"2026-05-18T01:12:08.012823+00:00"}