{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YYVFDLHFKI4AHZNHH37MKDAJGX","short_pith_number":"pith:YYVFDLHF","canonical_record":{"source":{"id":"1806.10238","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-26T22:58:22Z","cross_cats_sorted":[],"title_canon_sha256":"9c3ba0151afa103f0df5ff292e73f1707013392d5131e9a20f865c70cec0bdb8","abstract_canon_sha256":"ae7ed9b06d85b16920c88f93796ed743ffce806d62af17f975be6453eac71306"},"schema_version":"1.0"},"canonical_sha256":"c62a51ace5523803e5a73efec50c0935c1d48bd67e122170f12425e4ae4d7468","source":{"kind":"arxiv","id":"1806.10238","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10238","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10238v2","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10238","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"YYVFDLHFKI4A","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YYVFDLHFKI4AHZNH","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YYVFDLHF","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YYVFDLHFKI4AHZNHH37MKDAJGX","target":"record","payload":{"canonical_record":{"source":{"id":"1806.10238","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-26T22:58:22Z","cross_cats_sorted":[],"title_canon_sha256":"9c3ba0151afa103f0df5ff292e73f1707013392d5131e9a20f865c70cec0bdb8","abstract_canon_sha256":"ae7ed9b06d85b16920c88f93796ed743ffce806d62af17f975be6453eac71306"},"schema_version":"1.0"},"canonical_sha256":"c62a51ace5523803e5a73efec50c0935c1d48bd67e122170f12425e4ae4d7468","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:16.797698Z","signature_b64":"c0OUCX0m+068u99Xo5bQNJA9koVFT8pDjsIfdKXoIOHkx8r/3nGL2iLMVvWyzvFM9yNG1yW6zw/UgnRwRESYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c62a51ace5523803e5a73efec50c0935c1d48bd67e122170f12425e4ae4d7468","last_reissued_at":"2026-05-18T00:04:16.797004Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:16.797004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.10238","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H3ISlOxqMZLTevo0ICRfsHeIUhGcIE+9jS1M7UMXGzj2zwIhb64LYHh4CvLjiIphDiTOEQ1mGlGrv47ZepMgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T01:52:45.846083Z"},"content_sha256":"d21f211869af91362ab2e61938f885114a218d073c722026c6346e3f752c3ecf","schema_version":"1.0","event_id":"sha256:d21f211869af91362ab2e61938f885114a218d073c722026c6346e3f752c3ecf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YYVFDLHFKI4AHZNHH37MKDAJGX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalar charge of black holes in Einstein-Maxwell-dilaton theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Costantino Pacilio","submitted_at":"2018-06-26T22:58:22Z","abstract_excerpt":"We show that the monopole scalar charge of black holes in Einstein--Maxwell--dilaton theory is proportional to the electric potential at the event horizon, with a proportionality factor given by (minus) the scalar coupling constant. We also show that the scalar charge, in the weak electric charge limit, does not depend on the black hole spin. This result can be very useful to circumvent spin degeneracy issues when testing the theory against gravitational waves observations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10238","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"btGf3KBX86mhtkpOajEpFHmbKKnX3JcXQaM0Uz3nUIUqfl8/+sCFjsPn38lTEokYdkyqLEORv5P4ed5WBMISBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T01:52:45.846810Z"},"content_sha256":"4da193c9473d5c5781055785a80f636e3394aa3a7d555836d4c169f6c975037c","schema_version":"1.0","event_id":"sha256:4da193c9473d5c5781055785a80f636e3394aa3a7d555836d4c169f6c975037c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/bundle.json","state_url":"https://pith.science/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/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":"2026-05-25T01:52:45Z","links":{"resolver":"https://pith.science/pith/YYVFDLHFKI4AHZNHH37MKDAJGX","bundle":"https://pith.science/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/bundle.json","state":"https://pith.science/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YYVFDLHFKI4AHZNHH37MKDAJGX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YYVFDLHFKI4AHZNHH37MKDAJGX","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":"ae7ed9b06d85b16920c88f93796ed743ffce806d62af17f975be6453eac71306","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-26T22:58:22Z","title_canon_sha256":"9c3ba0151afa103f0df5ff292e73f1707013392d5131e9a20f865c70cec0bdb8"},"schema_version":"1.0","source":{"id":"1806.10238","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10238","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10238v2","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10238","created_at":"2026-05-18T00:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"YYVFDLHFKI4A","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YYVFDLHFKI4AHZNH","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YYVFDLHF","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:4da193c9473d5c5781055785a80f636e3394aa3a7d555836d4c169f6c975037c","target":"graph","created_at":"2026-05-18T00:04:16Z","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"},"paper":{"abstract_excerpt":"We show that the monopole scalar charge of black holes in Einstein--Maxwell--dilaton theory is proportional to the electric potential at the event horizon, with a proportionality factor given by (minus) the scalar coupling constant. We also show that the scalar charge, in the weak electric charge limit, does not depend on the black hole spin. This result can be very useful to circumvent spin degeneracy issues when testing the theory against gravitational waves observations.","authors_text":"Costantino Pacilio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-26T22:58:22Z","title":"Scalar charge of black holes in Einstein-Maxwell-dilaton theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10238","kind":"arxiv","version":2},"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:d21f211869af91362ab2e61938f885114a218d073c722026c6346e3f752c3ecf","target":"record","created_at":"2026-05-18T00:04:16Z","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":"ae7ed9b06d85b16920c88f93796ed743ffce806d62af17f975be6453eac71306","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-26T22:58:22Z","title_canon_sha256":"9c3ba0151afa103f0df5ff292e73f1707013392d5131e9a20f865c70cec0bdb8"},"schema_version":"1.0","source":{"id":"1806.10238","kind":"arxiv","version":2}},"canonical_sha256":"c62a51ace5523803e5a73efec50c0935c1d48bd67e122170f12425e4ae4d7468","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c62a51ace5523803e5a73efec50c0935c1d48bd67e122170f12425e4ae4d7468","first_computed_at":"2026-05-18T00:04:16.797004Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:16.797004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c0OUCX0m+068u99Xo5bQNJA9koVFT8pDjsIfdKXoIOHkx8r/3nGL2iLMVvWyzvFM9yNG1yW6zw/UgnRwRESYAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:16.797698Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.10238","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d21f211869af91362ab2e61938f885114a218d073c722026c6346e3f752c3ecf","sha256:4da193c9473d5c5781055785a80f636e3394aa3a7d555836d4c169f6c975037c"],"state_sha256":"89fbf41db0a39a91839482f2adf3f9d743874c551a01437ffbbcb25078eb7044"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r7Maxdzoyx4xNSxqWuML0JoxF4cq/Gw8ijn/ITbaBZb2AHnJ4AGOmMsnt4i1AasKMis5fjUTlidnJEcgYOdIDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T01:52:45.850385Z","bundle_sha256":"ef0d093dc4e7dc88044c519ee6167b3af13a2aef4d211f82accaf8bea1839310"}}