{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:UUVCFP3OE47ZTHJCL6AB7TIYYF","short_pith_number":"pith:UUVCFP3O","schema_version":"1.0","canonical_sha256":"a52a22bf6e273f999d225f801fcd18c16ea43bf40ecf7021cf825a5c96eb5312","source":{"kind":"arxiv","id":"1012.5557","version":1},"attestation_state":"computed","paper":{"title":"Fermionic cosmologies with Yukawa type interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Fernando P. Devecchi, Gilberto M. Kremer, Marlos O. Ribas","submitted_at":"2010-12-27T05:44:54Z","abstract_excerpt":"In this work we discuss if fermionic sources could be responsible for accelerated periods in a Friedmann-Robertson-Walker spatially flat universe, including a usual self-interaction potential of the Nambu-Jona-Lasinio type together with a fermion-scalar interaction potential of the Yukawa type. The results show that the combination of these potentials could promote an initially accelerated period, going through a middle decelerated era, with a final eternal accelerated period, where the self-interaction contribution dominates."},"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":"1012.5557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-12-27T05:44:54Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"6788b5fe6b9a1ed8e82b3361bd6eed3927c348fefd4983e6d94ee17ee0b538f4","abstract_canon_sha256":"8b8a1f182ee9e0ebbe4ebb50e7e394898566357e1858c25a648b336b83ca6083"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:13.494422Z","signature_b64":"W0Yd4FTn24QVcabVBjIv2aaYRh1IBfEqWhUjCkwLbvZPVCA5a1Hmhu3+TR+oEdNPlzfHfHKe0Abjpbn9l6K3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a52a22bf6e273f999d225f801fcd18c16ea43bf40ecf7021cf825a5c96eb5312","last_reissued_at":"2026-05-18T04:30:13.493663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:13.493663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fermionic cosmologies with Yukawa type interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Fernando P. Devecchi, Gilberto M. Kremer, Marlos O. Ribas","submitted_at":"2010-12-27T05:44:54Z","abstract_excerpt":"In this work we discuss if fermionic sources could be responsible for accelerated periods in a Friedmann-Robertson-Walker spatially flat universe, including a usual self-interaction potential of the Nambu-Jona-Lasinio type together with a fermion-scalar interaction potential of the Yukawa type. The results show that the combination of these potentials could promote an initially accelerated period, going through a middle decelerated era, with a final eternal accelerated period, where the self-interaction contribution dominates."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.5557","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":"1012.5557","created_at":"2026-05-18T04:30:13.493763+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.5557v1","created_at":"2026-05-18T04:30:13.493763+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.5557","created_at":"2026-05-18T04:30:13.493763+00:00"},{"alias_kind":"pith_short_12","alias_value":"UUVCFP3OE47Z","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"UUVCFP3OE47ZTHJC","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"UUVCFP3O","created_at":"2026-05-18T12:26:15.391820+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.08638","citing_title":"Interacting bosonic dark energy and fermionic dark matter in Einstein scalar Gauss-Bonnet gravity","ref_index":86,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF","json":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF.json","graph_json":"https://pith.science/api/pith-number/UUVCFP3OE47ZTHJCL6AB7TIYYF/graph.json","events_json":"https://pith.science/api/pith-number/UUVCFP3OE47ZTHJCL6AB7TIYYF/events.json","paper":"https://pith.science/paper/UUVCFP3O"},"agent_actions":{"view_html":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF","download_json":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF.json","view_paper":"https://pith.science/paper/UUVCFP3O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.5557&json=true","fetch_graph":"https://pith.science/api/pith-number/UUVCFP3OE47ZTHJCL6AB7TIYYF/graph.json","fetch_events":"https://pith.science/api/pith-number/UUVCFP3OE47ZTHJCL6AB7TIYYF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF/action/storage_attestation","attest_author":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF/action/author_attestation","sign_citation":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF/action/citation_signature","submit_replication":"https://pith.science/pith/UUVCFP3OE47ZTHJCL6AB7TIYYF/action/replication_record"}},"created_at":"2026-05-18T04:30:13.493763+00:00","updated_at":"2026-05-18T04:30:13.493763+00:00"}