{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:VOX4IBDH67RM2OKIVH6LORXICR","short_pith_number":"pith:VOX4IBDH","schema_version":"1.0","canonical_sha256":"abafc40467f7e2cd3948a9fcb746e8146c48601b1bf66832ec22dc496bbbe628","source":{"kind":"arxiv","id":"1602.04892","version":2},"attestation_state":"computed","paper":{"title":"Covariant approach of perturbations in Lovelock type brane gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Cuauhtemoc Campuzano, Efrain Rojas, Miguel Cruz, Norma Bagatella-Flores","submitted_at":"2016-02-16T03:00:36Z","abstract_excerpt":"We develop a covariant scheme to describe the dynamics of small perturbations on Lovelock type extended objects propagating in a flat Minkowski spacetime. The higher-dimensional analogue of the Jacobi equation in this theory becomes a wave type equation for a scalar field $\\Phi$. Whithin this framework, we analyse the stability of membranes with a de Sitter geometry where we find that the Jacobi equation specializes to a Klein-Gordon (KG) equation for $\\Phi$ possessing a tachyonic mass. This shows that, to some extent, these type of extended objects share the symmetries of the Dirac-Nambu-Goto"},"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":"1602.04892","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-16T03:00:36Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"ce71ea20e12a4a7cd7999385410525aa7048c3c65c00bd946ccac4c2fae4db80","abstract_canon_sha256":"43c02df7d6c3bad5d87deaf8534095bae0fc070b26cac4bdef104ef1ecea2450"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:37.993398Z","signature_b64":"5ZDHrc1VwHHBAd6Ocw7iZYiREo0lDVq/nOLWANG8OtNpk1ZYHJIv+U0/eObBOTlBgxtkg/XoryKi+vamJFHnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abafc40467f7e2cd3948a9fcb746e8146c48601b1bf66832ec22dc496bbbe628","last_reissued_at":"2026-05-18T00:56:37.992710Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:37.992710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Covariant approach of perturbations in Lovelock type brane gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Cuauhtemoc Campuzano, Efrain Rojas, Miguel Cruz, Norma Bagatella-Flores","submitted_at":"2016-02-16T03:00:36Z","abstract_excerpt":"We develop a covariant scheme to describe the dynamics of small perturbations on Lovelock type extended objects propagating in a flat Minkowski spacetime. The higher-dimensional analogue of the Jacobi equation in this theory becomes a wave type equation for a scalar field $\\Phi$. Whithin this framework, we analyse the stability of membranes with a de Sitter geometry where we find that the Jacobi equation specializes to a Klein-Gordon (KG) equation for $\\Phi$ possessing a tachyonic mass. This shows that, to some extent, these type of extended objects share the symmetries of the Dirac-Nambu-Goto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.04892","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":"1602.04892","created_at":"2026-05-18T00:56:37.992825+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.04892v2","created_at":"2026-05-18T00:56:37.992825+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.04892","created_at":"2026-05-18T00:56:37.992825+00:00"},{"alias_kind":"pith_short_12","alias_value":"VOX4IBDH67RM","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_16","alias_value":"VOX4IBDH67RM2OKI","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_8","alias_value":"VOX4IBDH","created_at":"2026-05-18T12:30:48.956258+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/VOX4IBDH67RM2OKIVH6LORXICR","json":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR.json","graph_json":"https://pith.science/api/pith-number/VOX4IBDH67RM2OKIVH6LORXICR/graph.json","events_json":"https://pith.science/api/pith-number/VOX4IBDH67RM2OKIVH6LORXICR/events.json","paper":"https://pith.science/paper/VOX4IBDH"},"agent_actions":{"view_html":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR","download_json":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR.json","view_paper":"https://pith.science/paper/VOX4IBDH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.04892&json=true","fetch_graph":"https://pith.science/api/pith-number/VOX4IBDH67RM2OKIVH6LORXICR/graph.json","fetch_events":"https://pith.science/api/pith-number/VOX4IBDH67RM2OKIVH6LORXICR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR/action/storage_attestation","attest_author":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR/action/author_attestation","sign_citation":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR/action/citation_signature","submit_replication":"https://pith.science/pith/VOX4IBDH67RM2OKIVH6LORXICR/action/replication_record"}},"created_at":"2026-05-18T00:56:37.992825+00:00","updated_at":"2026-05-18T00:56:37.992825+00:00"}