{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:RATB3WGPOCUYRZZNGYXB7GHBBB","short_pith_number":"pith:RATB3WGP","schema_version":"1.0","canonical_sha256":"88261dd8cf70a988e72d362e1f98e1085791d1b9183756355e2615e15a25b942","source":{"kind":"arxiv","id":"1902.05760","version":1},"attestation_state":"computed","paper":{"title":"Spontaneous scalarization of charged black holes at the approach to extremality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Belgium), Betti Hartmann (IFSC/USP, Brazil), Yves Brihaye (Universite de Mons","submitted_at":"2019-02-15T10:37:59Z","abstract_excerpt":"We study static, spherically symmetric and electrically charged black hole solutions in a quadratic Einstein-scalar-Gauss-Bonnet gravity model. Very similar to the uncharged case, black holes undergo spontaneous scalarization for sufficiently large scalar-tensor coupling $\\gamma$ - a phenomenon attributed to a tachyonic instability of the scalar field system. While in the uncharged case, this effect is only possible for positive values of $\\gamma$, we show that for sufficiently large values of the electric charge $Q$ two independent domains of existence in the $\\gamma$-$Q$-plane appear: one fo"},"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":"1902.05760","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-02-15T10:37:59Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"cfc2f3ce866866e4ecbe261a4d194bd3ffc9b7d24f45dcc6b9c1e56267acef45","abstract_canon_sha256":"8745adef38dd0efe4eb4a63b437de2f86e8b886ae1ee3888b297281788319b90"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:39.019125Z","signature_b64":"a0hVsPmajAgjtMb74WdM0yc9eubUu4zXT9lF1jrpsvEI8O7i1y0qdE2Dunhz51Up4HO+zctPspHKkvbdPjP9Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88261dd8cf70a988e72d362e1f98e1085791d1b9183756355e2615e15a25b942","last_reissued_at":"2026-05-17T23:49:39.018545Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:39.018545Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spontaneous scalarization of charged black holes at the approach to extremality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Belgium), Betti Hartmann (IFSC/USP, Brazil), Yves Brihaye (Universite de Mons","submitted_at":"2019-02-15T10:37:59Z","abstract_excerpt":"We study static, spherically symmetric and electrically charged black hole solutions in a quadratic Einstein-scalar-Gauss-Bonnet gravity model. Very similar to the uncharged case, black holes undergo spontaneous scalarization for sufficiently large scalar-tensor coupling $\\gamma$ - a phenomenon attributed to a tachyonic instability of the scalar field system. While in the uncharged case, this effect is only possible for positive values of $\\gamma$, we show that for sufficiently large values of the electric charge $Q$ two independent domains of existence in the $\\gamma$-$Q$-plane appear: one fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05760","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":"1902.05760","created_at":"2026-05-17T23:49:39.018645+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.05760v1","created_at":"2026-05-17T23:49:39.018645+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05760","created_at":"2026-05-17T23:49:39.018645+00:00"},{"alias_kind":"pith_short_12","alias_value":"RATB3WGPOCUY","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"RATB3WGPOCUYRZZN","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"RATB3WGP","created_at":"2026-05-18T12:33:27.125529+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2603.10461","citing_title":"Gauss-Bonnet scalarization of charged qOS-black holes","ref_index":29,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15566","citing_title":"Charge-dependent scalarization of Einstein- Euler-Heisenberg black holes","ref_index":24,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB","json":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB.json","graph_json":"https://pith.science/api/pith-number/RATB3WGPOCUYRZZNGYXB7GHBBB/graph.json","events_json":"https://pith.science/api/pith-number/RATB3WGPOCUYRZZNGYXB7GHBBB/events.json","paper":"https://pith.science/paper/RATB3WGP"},"agent_actions":{"view_html":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB","download_json":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB.json","view_paper":"https://pith.science/paper/RATB3WGP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.05760&json=true","fetch_graph":"https://pith.science/api/pith-number/RATB3WGPOCUYRZZNGYXB7GHBBB/graph.json","fetch_events":"https://pith.science/api/pith-number/RATB3WGPOCUYRZZNGYXB7GHBBB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB/action/storage_attestation","attest_author":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB/action/author_attestation","sign_citation":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB/action/citation_signature","submit_replication":"https://pith.science/pith/RATB3WGPOCUYRZZNGYXB7GHBBB/action/replication_record"}},"created_at":"2026-05-17T23:49:39.018645+00:00","updated_at":"2026-05-17T23:49:39.018645+00:00"}