{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ONE6SLBFG6IVICJEMDVBYVOXSH","short_pith_number":"pith:ONE6SLBF","schema_version":"1.0","canonical_sha256":"7349e92c25379154092460ea1c55d791fbf50d2fa09098fb8cfd9b2048f6b441","source":{"kind":"arxiv","id":"2606.28232","version":1},"attestation_state":"computed","paper":{"title":"Multi--black holes in Bertotti--Robinson spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Hideo Furugori, Jun-ichi Sakamoto, Shinya Tomizawa","submitted_at":"2026-06-26T16:20:42Z","abstract_excerpt":"We construct a new class of exact solutions describing multi-black holes in the Bertotti--Robinson spacetime, using the monodromy-matrix formalism associated with integrable sigma models. Starting from the extremal Reissner--Nordstr\\\"om black hole in the Bertotti--Robinson background, we derive the corresponding coset and monodromy matrices and show that they are governed by nilpotent algebraic structures. This property enables an explicit factorization of the monodromy matrix, allowing for a systematic reconstruction of the underlying gravitational solutions. We extend this construction to mu"},"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":"2606.28232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-06-26T16:20:42Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"22b5f0d86c3246e6e80433375f3e4cad7dc7b502a0b081629adc7bdce11c2945","abstract_canon_sha256":"2bec57978b2a30c9cbb96d7c52b08bbc9e1524f655a397e3303f38b85ef17625"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-29T01:15:09.962438Z","signature_b64":"pEMHdziwkg+EItmBfMZfhreqT7a7VelG6BXGohixG+hFpKtdunDC+s4qceFwDgPkncx7VZhO3CrycK/o2LcfBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7349e92c25379154092460ea1c55d791fbf50d2fa09098fb8cfd9b2048f6b441","last_reissued_at":"2026-06-29T01:15:09.962057Z","signature_status":"signed_v1","first_computed_at":"2026-06-29T01:15:09.962057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi--black holes in Bertotti--Robinson spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Hideo Furugori, Jun-ichi Sakamoto, Shinya Tomizawa","submitted_at":"2026-06-26T16:20:42Z","abstract_excerpt":"We construct a new class of exact solutions describing multi-black holes in the Bertotti--Robinson spacetime, using the monodromy-matrix formalism associated with integrable sigma models. Starting from the extremal Reissner--Nordstr\\\"om black hole in the Bertotti--Robinson background, we derive the corresponding coset and monodromy matrices and show that they are governed by nilpotent algebraic structures. This property enables an explicit factorization of the monodromy matrix, allowing for a systematic reconstruction of the underlying gravitational solutions. We extend this construction to mu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28232","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/2606.28232/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":"2606.28232","created_at":"2026-06-29T01:15:09.962117+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.28232v1","created_at":"2026-06-29T01:15:09.962117+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28232","created_at":"2026-06-29T01:15:09.962117+00:00"},{"alias_kind":"pith_short_12","alias_value":"ONE6SLBFG6IV","created_at":"2026-06-29T01:15:09.962117+00:00"},{"alias_kind":"pith_short_16","alias_value":"ONE6SLBFG6IVICJE","created_at":"2026-06-29T01:15:09.962117+00:00"},{"alias_kind":"pith_short_8","alias_value":"ONE6SLBF","created_at":"2026-06-29T01:15:09.962117+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/ONE6SLBFG6IVICJEMDVBYVOXSH","json":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH.json","graph_json":"https://pith.science/api/pith-number/ONE6SLBFG6IVICJEMDVBYVOXSH/graph.json","events_json":"https://pith.science/api/pith-number/ONE6SLBFG6IVICJEMDVBYVOXSH/events.json","paper":"https://pith.science/paper/ONE6SLBF"},"agent_actions":{"view_html":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH","download_json":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH.json","view_paper":"https://pith.science/paper/ONE6SLBF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.28232&json=true","fetch_graph":"https://pith.science/api/pith-number/ONE6SLBFG6IVICJEMDVBYVOXSH/graph.json","fetch_events":"https://pith.science/api/pith-number/ONE6SLBFG6IVICJEMDVBYVOXSH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH/action/storage_attestation","attest_author":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH/action/author_attestation","sign_citation":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH/action/citation_signature","submit_replication":"https://pith.science/pith/ONE6SLBFG6IVICJEMDVBYVOXSH/action/replication_record"}},"created_at":"2026-06-29T01:15:09.962117+00:00","updated_at":"2026-06-29T01:15:09.962117+00:00"}