{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:IWB5SYYZUOWAC35XTLCDKCLUTN","short_pith_number":"pith:IWB5SYYZ","schema_version":"1.0","canonical_sha256":"4583d96319a3ac016fb79ac43509749b6187c59afce7ef0316613feedc87e66d","source":{"kind":"arxiv","id":"2306.03662","version":1},"attestation_state":"computed","paper":{"title":"Spinning Black Holes with Axion Hair","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Clare Burrage, Pedro G. S. Fernandes, Richard Brito, Vitor Cardoso","submitted_at":"2023-06-06T13:25:49Z","abstract_excerpt":"In this work we construct and analyse non-perturbative stationary and axially-symmetric black hole solutions in General Relativity coupled to an electromagnetic and an axion field. The axion field is coupled to the electromagnetic field, which leads to hairy solutions in the presence of an electric charge and rotation. We investigate the existence and characteristics of these solutions for different values of the spin, charge and coupling constant. Our analysis shows the presence of violations of the Kerr-Newman bound, solutions with large positive and negative values of the gyromagnetic ratio"},"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":"2306.03662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-06T13:25:49Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"f53260d45fa98c42afedc45992c108e5f2e85342f7f881016eee9331dbfcfc84","abstract_canon_sha256":"c09cb4d6d46e202c1da6f3f07eb2c2bd4ca2199fc1275467325073297a5c0349"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:44:42.708750Z","signature_b64":"/hQdXxmxUo7RSBU0Q3NQaGVYBvd4fau7Qf+hcB1YCLbMHCg3vLDWGo+dTO/IxRzQYYH5pfWj+dvQRO7AvPlhBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4583d96319a3ac016fb79ac43509749b6187c59afce7ef0316613feedc87e66d","last_reissued_at":"2026-07-05T07:44:42.708306Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:44:42.708306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spinning Black Holes with Axion Hair","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Clare Burrage, Pedro G. S. Fernandes, Richard Brito, Vitor Cardoso","submitted_at":"2023-06-06T13:25:49Z","abstract_excerpt":"In this work we construct and analyse non-perturbative stationary and axially-symmetric black hole solutions in General Relativity coupled to an electromagnetic and an axion field. The axion field is coupled to the electromagnetic field, which leads to hairy solutions in the presence of an electric charge and rotation. We investigate the existence and characteristics of these solutions for different values of the spin, charge and coupling constant. Our analysis shows the presence of violations of the Kerr-Newman bound, solutions with large positive and negative values of the gyromagnetic ratio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03662","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.03662/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2306.03662","created_at":"2026-07-05T07:44:42.708377+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.03662v1","created_at":"2026-07-05T07:44:42.708377+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03662","created_at":"2026-07-05T07:44:42.708377+00:00"},{"alias_kind":"pith_short_12","alias_value":"IWB5SYYZUOWA","created_at":"2026-07-05T07:44:42.708377+00:00"},{"alias_kind":"pith_short_16","alias_value":"IWB5SYYZUOWAC35X","created_at":"2026-07-05T07:44:42.708377+00:00"},{"alias_kind":"pith_short_8","alias_value":"IWB5SYYZ","created_at":"2026-07-05T07:44:42.708377+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.30411","citing_title":"Axions Create Singularities on Extremal Horizons","ref_index":48,"is_internal_anchor":false},{"citing_arxiv_id":"2512.02338","citing_title":"Leading effective field theory corrections to the Kerr metric at all spins","ref_index":115,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN","json":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN.json","graph_json":"https://pith.science/api/pith-number/IWB5SYYZUOWAC35XTLCDKCLUTN/graph.json","events_json":"https://pith.science/api/pith-number/IWB5SYYZUOWAC35XTLCDKCLUTN/events.json","paper":"https://pith.science/paper/IWB5SYYZ"},"agent_actions":{"view_html":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN","download_json":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN.json","view_paper":"https://pith.science/paper/IWB5SYYZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.03662&json=true","fetch_graph":"https://pith.science/api/pith-number/IWB5SYYZUOWAC35XTLCDKCLUTN/graph.json","fetch_events":"https://pith.science/api/pith-number/IWB5SYYZUOWAC35XTLCDKCLUTN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN/action/storage_attestation","attest_author":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN/action/author_attestation","sign_citation":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN/action/citation_signature","submit_replication":"https://pith.science/pith/IWB5SYYZUOWAC35XTLCDKCLUTN/action/replication_record"}},"created_at":"2026-07-05T07:44:42.708377+00:00","updated_at":"2026-07-05T07:44:42.708377+00:00"}