{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DYBID3HTJ6WHPU4WNSUTVQCYUV","short_pith_number":"pith:DYBID3HT","canonical_record":{"source":{"id":"2307.06478","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-12T22:20:59Z","cross_cats_sorted":["gr-qc","physics.class-ph"],"title_canon_sha256":"16ab90f672d909af0745a301dd54e8cf33dbc61d58744c8acd993857467dddb0","abstract_canon_sha256":"6214f1a91a882fde39cf9a44d39112011e22a72a065a104e347763080b3a9f00"},"schema_version":"1.0"},"canonical_sha256":"1e0281ecf34fac77d3966ca93ac058a555dee3e04cb2ae8f4923110d1431b114","source":{"kind":"arxiv","id":"2307.06478","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06478","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06478v3","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06478","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_12","alias_value":"DYBID3HTJ6WH","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_16","alias_value":"DYBID3HTJ6WHPU4W","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_8","alias_value":"DYBID3HT","created_at":"2026-07-05T06:52:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DYBID3HTJ6WHPU4WNSUTVQCYUV","target":"record","payload":{"canonical_record":{"source":{"id":"2307.06478","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-12T22:20:59Z","cross_cats_sorted":["gr-qc","physics.class-ph"],"title_canon_sha256":"16ab90f672d909af0745a301dd54e8cf33dbc61d58744c8acd993857467dddb0","abstract_canon_sha256":"6214f1a91a882fde39cf9a44d39112011e22a72a065a104e347763080b3a9f00"},"schema_version":"1.0"},"canonical_sha256":"1e0281ecf34fac77d3966ca93ac058a555dee3e04cb2ae8f4923110d1431b114","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:52:48.610816Z","signature_b64":"rb3FeSNEZNYnhs38aFSGUwVjGbOUyZDEYFeSLbOujVaBesXHEH9Z3zjoCZ2ZhuKVKN7yOryjl5ziE8agzP+dBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e0281ecf34fac77d3966ca93ac058a555dee3e04cb2ae8f4923110d1431b114","last_reissued_at":"2026-07-05T06:52:48.610322Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:52:48.610322Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.06478","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:52:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0EnJ9YpgOnNtIQV0QxZ2Cyk8u5Yh6F10TqMr42TT2kCWxF+C8kQHOupJa198URB/S0Z395bNxhaOfS+QLMTPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T15:52:44.920873Z"},"content_sha256":"6f5c6c99704018541be1012a4013571b9ad8f0240ff0e15bc2060e37cff0e568","schema_version":"1.0","event_id":"sha256:6f5c6c99704018541be1012a4013571b9ad8f0240ff0e15bc2060e37cff0e568"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DYBID3HTJ6WHPU4WNSUTVQCYUV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Force-free higher derivative Einstein-Maxwell theory and multi-centered black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.class-ph"],"primary_cat":"hep-th","authors_text":"Peng-Ju Hu, Yi Pang","submitted_at":"2023-07-12T22:20:59Z","abstract_excerpt":"We investigate which 4-derivative extensions of Einstein-Maxwell theory admit multi-extremal black hole solutions with gravitational force balanced by Coulomb force. We obtain a set of constraints on the 4-derivative couplings by exploring various probe limits in multi-black hole systems. It turns out that these constraints are tighter than those needed to protect the mass-charge ratio of extremal black holes from higher derivative corrections. In fact, they are so strong that the Majumdar-Papapetrou multi-black solutions are unmodified by the force-free combinations of the 4-derivative coupli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06478","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.06478/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:52:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CbXcaoATgw4wVsLnp5HlyHJcWF8IIrTmQcAaBw1Y5s988ZZZzQPorGC8jTMB+8RerQZNzpLdqSPar3yBZjhnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T15:52:44.923614Z"},"content_sha256":"b3b0e3fd8a3a4ff9f9d727bbc5671508ad7df2495fcb3f4925ed7c2595379386","schema_version":"1.0","event_id":"sha256:b3b0e3fd8a3a4ff9f9d727bbc5671508ad7df2495fcb3f4925ed7c2595379386"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/bundle.json","state_url":"https://pith.science/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-15T15:52:44Z","links":{"resolver":"https://pith.science/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV","bundle":"https://pith.science/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/bundle.json","state":"https://pith.science/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DYBID3HTJ6WHPU4WNSUTVQCYUV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DYBID3HTJ6WHPU4WNSUTVQCYUV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6214f1a91a882fde39cf9a44d39112011e22a72a065a104e347763080b3a9f00","cross_cats_sorted":["gr-qc","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-12T22:20:59Z","title_canon_sha256":"16ab90f672d909af0745a301dd54e8cf33dbc61d58744c8acd993857467dddb0"},"schema_version":"1.0","source":{"id":"2307.06478","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06478","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06478v3","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06478","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_12","alias_value":"DYBID3HTJ6WH","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_16","alias_value":"DYBID3HTJ6WHPU4W","created_at":"2026-07-05T06:52:48Z"},{"alias_kind":"pith_short_8","alias_value":"DYBID3HT","created_at":"2026-07-05T06:52:48Z"}],"graph_snapshots":[{"event_id":"sha256:b3b0e3fd8a3a4ff9f9d727bbc5671508ad7df2495fcb3f4925ed7c2595379386","target":"graph","created_at":"2026-07-05T06:52:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.06478/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate which 4-derivative extensions of Einstein-Maxwell theory admit multi-extremal black hole solutions with gravitational force balanced by Coulomb force. We obtain a set of constraints on the 4-derivative couplings by exploring various probe limits in multi-black hole systems. It turns out that these constraints are tighter than those needed to protect the mass-charge ratio of extremal black holes from higher derivative corrections. In fact, they are so strong that the Majumdar-Papapetrou multi-black solutions are unmodified by the force-free combinations of the 4-derivative coupli","authors_text":"Peng-Ju Hu, Yi Pang","cross_cats":["gr-qc","physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-12T22:20:59Z","title":"Force-free higher derivative Einstein-Maxwell theory and multi-centered black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06478","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6f5c6c99704018541be1012a4013571b9ad8f0240ff0e15bc2060e37cff0e568","target":"record","created_at":"2026-07-05T06:52:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6214f1a91a882fde39cf9a44d39112011e22a72a065a104e347763080b3a9f00","cross_cats_sorted":["gr-qc","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-12T22:20:59Z","title_canon_sha256":"16ab90f672d909af0745a301dd54e8cf33dbc61d58744c8acd993857467dddb0"},"schema_version":"1.0","source":{"id":"2307.06478","kind":"arxiv","version":3}},"canonical_sha256":"1e0281ecf34fac77d3966ca93ac058a555dee3e04cb2ae8f4923110d1431b114","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e0281ecf34fac77d3966ca93ac058a555dee3e04cb2ae8f4923110d1431b114","first_computed_at":"2026-07-05T06:52:48.610322Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:52:48.610322Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rb3FeSNEZNYnhs38aFSGUwVjGbOUyZDEYFeSLbOujVaBesXHEH9Z3zjoCZ2ZhuKVKN7yOryjl5ziE8agzP+dBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:52:48.610816Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.06478","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f5c6c99704018541be1012a4013571b9ad8f0240ff0e15bc2060e37cff0e568","sha256:b3b0e3fd8a3a4ff9f9d727bbc5671508ad7df2495fcb3f4925ed7c2595379386"],"state_sha256":"dc4955f6ba549e78b4bb7af80c02d04e9c8fc22d7f72dfb7956ff35f6d009f47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H6mPfYGKZoenSlRxcuhBTHIZVJtsZLr/IAq1hVkNsJikMacY48tS2Dr0RvHNvjfrhMhGE2iEL2RMHnyjuXfuBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T15:52:44.931101Z","bundle_sha256":"4a1c8fe642edb5f4f5f94d2a838be3dc87fc3fd8b6b24b5d5922214b0a16b9cc"}}