{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:WX4LNOTYWCYNPKIX7FMEKY3526","short_pith_number":"pith:WX4LNOTY","schema_version":"1.0","canonical_sha256":"b5f8b6ba78b0b0d7a917f95845637dd7acc4019d284b9b4ded220839ff81eb67","source":{"kind":"arxiv","id":"1903.02399","version":3},"attestation_state":"computed","paper":{"title":"Cosmological instability of scalar-Gauss-Bonnet theories exhibiting scalarization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Christos Charmousis, Eugeny Babichev, Sabir Ramazanov, Timothy Anson","submitted_at":"2019-03-06T14:22:30Z","abstract_excerpt":"In a subclass of scalar-tensor theories, it has been shown that standard general relativity solutions of neutron stars and black holes with trivial scalar field profiles are unstable. Such an instability leads to solutions which are different from those of general relativity and have non-trivial scalar field profiles, in a process called scalarization. In the present work we focus on scalarization due to a non-minimal coupling of the scalar field to the Gauss-Bonnet curvature invariant. The coupling acts as a tachyonic mass for the scalar mode, thus leading to the instability of general relati"},"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":"1903.02399","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-03-06T14:22:30Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"96c88dae67408ac6301dccffb4cfe14a84a96dcea0fd42d5549f6c8ff45c29b7","abstract_canon_sha256":"001b818098ad3089573ffbfb5c94926ecbf8bccfc73fec1ed8f9da0ed3eddbad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:02.447406Z","signature_b64":"+9/2EI8lWt+SiDbmtu5D1IdVnSgiySeMGroFvqZ9IqR7dA2kWSG3OA3nt6qa7bN59cz21CN+/oxU7SU4mfywAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5f8b6ba78b0b0d7a917f95845637dd7acc4019d284b9b4ded220839ff81eb67","last_reissued_at":"2026-05-17T23:42:02.446721Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:02.446721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological instability of scalar-Gauss-Bonnet theories exhibiting scalarization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Christos Charmousis, Eugeny Babichev, Sabir Ramazanov, Timothy Anson","submitted_at":"2019-03-06T14:22:30Z","abstract_excerpt":"In a subclass of scalar-tensor theories, it has been shown that standard general relativity solutions of neutron stars and black holes with trivial scalar field profiles are unstable. Such an instability leads to solutions which are different from those of general relativity and have non-trivial scalar field profiles, in a process called scalarization. In the present work we focus on scalarization due to a non-minimal coupling of the scalar field to the Gauss-Bonnet curvature invariant. The coupling acts as a tachyonic mass for the scalar mode, thus leading to the instability of general relati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02399","kind":"arxiv","version":3},"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":"1903.02399","created_at":"2026-05-17T23:42:02.446844+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.02399v3","created_at":"2026-05-17T23:42:02.446844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02399","created_at":"2026-05-17T23:42:02.446844+00:00"},{"alias_kind":"pith_short_12","alias_value":"WX4LNOTYWCYN","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"WX4LNOTYWCYNPKIX","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"WX4LNOTY","created_at":"2026-05-18T12:33:33.725879+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.13036","citing_title":"Inspiral gravitational waveforms from charged compact binaries with scalar hair","ref_index":42,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526","json":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526.json","graph_json":"https://pith.science/api/pith-number/WX4LNOTYWCYNPKIX7FMEKY3526/graph.json","events_json":"https://pith.science/api/pith-number/WX4LNOTYWCYNPKIX7FMEKY3526/events.json","paper":"https://pith.science/paper/WX4LNOTY"},"agent_actions":{"view_html":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526","download_json":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526.json","view_paper":"https://pith.science/paper/WX4LNOTY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.02399&json=true","fetch_graph":"https://pith.science/api/pith-number/WX4LNOTYWCYNPKIX7FMEKY3526/graph.json","fetch_events":"https://pith.science/api/pith-number/WX4LNOTYWCYNPKIX7FMEKY3526/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526/action/storage_attestation","attest_author":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526/action/author_attestation","sign_citation":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526/action/citation_signature","submit_replication":"https://pith.science/pith/WX4LNOTYWCYNPKIX7FMEKY3526/action/replication_record"}},"created_at":"2026-05-17T23:42:02.446844+00:00","updated_at":"2026-05-17T23:42:02.446844+00:00"}