{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:MTMYEICB6N5KPHEWQS22PC2CJQ","short_pith_number":"pith:MTMYEICB","schema_version":"1.0","canonical_sha256":"64d9822041f37aa79c9684b5a78b424c2de619bc43d20358855b3abfd9d4221d","source":{"kind":"arxiv","id":"0907.3941","version":2},"attestation_state":"computed","paper":{"title":"Conformal Transformations in Cosmology of Modified Gravity: the Covariant Approach Perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Emilio Elizalde, Sante Carloni, Sergei Odintsov","submitted_at":"2009-07-23T14:29:35Z","abstract_excerpt":"The 1+3 covariant approach and the covariant gauge-invariant approach to perturbations are used to analyze in depth conformal transformations in cosmology. Such techniques allow us to obtain very interesting insights on the physical content of these transformations, when applied to non-standard gravity. The results obtained lead to a number of general conclusions on the change of some key quantities describing any two conformally related cosmological models. In particular, it is shown that the physics in the Einstein frame has characteristics which are completely different from those in the Jo"},"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":"0907.3941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-23T14:29:35Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"bffd62e10174df898acbe3ae510e53be4bd29b9880b70b48457e4204dbdc1fd0","abstract_canon_sha256":"eb8c1854ce9b37bb99e6f52580f1c37859ead4cd010332d9040591633693cefa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:38.522404Z","signature_b64":"77ibLuukCTj63Ox5NnsSTdOuDl/2kbPj0KwU9CVlc4aHUGAuMKbYzQwbxiNGxPmg7oAH0sQShbWHkMghFpPZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64d9822041f37aa79c9684b5a78b424c2de619bc43d20358855b3abfd9d4221d","last_reissued_at":"2026-05-18T02:34:38.521844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:38.521844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Conformal Transformations in Cosmology of Modified Gravity: the Covariant Approach Perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Emilio Elizalde, Sante Carloni, Sergei Odintsov","submitted_at":"2009-07-23T14:29:35Z","abstract_excerpt":"The 1+3 covariant approach and the covariant gauge-invariant approach to perturbations are used to analyze in depth conformal transformations in cosmology. Such techniques allow us to obtain very interesting insights on the physical content of these transformations, when applied to non-standard gravity. The results obtained lead to a number of general conclusions on the change of some key quantities describing any two conformally related cosmological models. In particular, it is shown that the physics in the Einstein frame has characteristics which are completely different from those in the Jo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.3941","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":"0907.3941","created_at":"2026-05-18T02:34:38.521949+00:00"},{"alias_kind":"arxiv_version","alias_value":"0907.3941v2","created_at":"2026-05-18T02:34:38.521949+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.3941","created_at":"2026-05-18T02:34:38.521949+00:00"},{"alias_kind":"pith_short_12","alias_value":"MTMYEICB6N5K","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"MTMYEICB6N5KPHEW","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"MTMYEICB","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2510.09957","citing_title":"Could a so far ignored symmetry of the classical laws of gravity explain the cosmological puzzles?","ref_index":26,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ","json":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ.json","graph_json":"https://pith.science/api/pith-number/MTMYEICB6N5KPHEWQS22PC2CJQ/graph.json","events_json":"https://pith.science/api/pith-number/MTMYEICB6N5KPHEWQS22PC2CJQ/events.json","paper":"https://pith.science/paper/MTMYEICB"},"agent_actions":{"view_html":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ","download_json":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ.json","view_paper":"https://pith.science/paper/MTMYEICB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0907.3941&json=true","fetch_graph":"https://pith.science/api/pith-number/MTMYEICB6N5KPHEWQS22PC2CJQ/graph.json","fetch_events":"https://pith.science/api/pith-number/MTMYEICB6N5KPHEWQS22PC2CJQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ/action/storage_attestation","attest_author":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ/action/author_attestation","sign_citation":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ/action/citation_signature","submit_replication":"https://pith.science/pith/MTMYEICB6N5KPHEWQS22PC2CJQ/action/replication_record"}},"created_at":"2026-05-18T02:34:38.521949+00:00","updated_at":"2026-05-18T02:34:38.521949+00:00"}