{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:KPH34TPCABQ4FGXKKVWEXWIPH7","short_pith_number":"pith:KPH34TPC","canonical_record":{"source":{"id":"0907.5104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-29T10:58:45Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"9c3621bf65aaf78b0386b864402aa6e7c7a91c8c49599eb74dece6a4a20eb8e4","abstract_canon_sha256":"4702602a442893a25e5e3aca2421d4313c0f8df6d52fb05ced700dad9f7bc1d6"},"schema_version":"1.0"},"canonical_sha256":"53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e","source":{"kind":"arxiv","id":"0907.5104","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5104","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5104v1","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5104","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"KPH34TPCABQ4","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KPH34TPCABQ4FGXK","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KPH34TPC","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:KPH34TPCABQ4FGXKKVWEXWIPH7","target":"record","payload":{"canonical_record":{"source":{"id":"0907.5104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-29T10:58:45Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"9c3621bf65aaf78b0386b864402aa6e7c7a91c8c49599eb74dece6a4a20eb8e4","abstract_canon_sha256":"4702602a442893a25e5e3aca2421d4313c0f8df6d52fb05ced700dad9f7bc1d6"},"schema_version":"1.0"},"canonical_sha256":"53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:58.574174Z","signature_b64":"0AWMeLg+wtSU6aOjNfuzav77DbSMlx7cljJMVWRXVi+aiy2eDec/wSzVOXqjIAA2vkQJS8dq+cltjCtxOSGTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e","last_reissued_at":"2026-05-18T03:23:58.573441Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:58.573441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.5104","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uh+EkQQX65ACBMkAfLwqcs15xELCww5byDFp7sTozZ1W84pJkI4fdvYHTDeVvClGTQJnAslLNAL798xBK/FzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:15:41.335752Z"},"content_sha256":"4106c2133131d1ceb8f401fa4fa1b18a1f4a7479b1227daf16d4d3b17cd13d6e","schema_version":"1.0","event_id":"sha256:4106c2133131d1ceb8f401fa4fa1b18a1f4a7479b1227daf16d4d3b17cd13d6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:KPH34TPCABQ4FGXKKVWEXWIPH7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the backreaction of frame dragging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos A. R. Herdeiro, Carmen Rebelo, Claude M. Warnick","submitted_at":"2009-07-29T10:58:45Z","abstract_excerpt":"The backreaction on black holes due to dragging heavy, rather than test, objects is discussed. As a case study, a regular black Saturn system where the central black hole has vanishing intrinsic angular momentum, J^{BH}=0, is considered. It is shown that there is a correlation between the sign of two response functions. One is interpreted as a moment of inertia of the black ring in the black Saturn system. The other measures the variation of the black ring horizon angular velocity with the central black hole mass, for fixed ring mass and angular momentum. The two different phases defined by th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5104","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6uFd7GrWDSStQARL25y/Hl5dm6DlsfDTVbWjeWwXPDBnoKjjEyA+b2sycufQ+SkyVeejQqNXOf8Kb4KGbqsGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:15:41.336471Z"},"content_sha256":"1eafcaac6f5153c98a202c4aca6366682ee1ef5fcdf6f7c80c57e0d95e1dd8db","schema_version":"1.0","event_id":"sha256:1eafcaac6f5153c98a202c4aca6366682ee1ef5fcdf6f7c80c57e0d95e1dd8db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/bundle.json","state_url":"https://pith.science/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/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":"2026-06-08T05:15:41Z","links":{"resolver":"https://pith.science/pith/KPH34TPCABQ4FGXKKVWEXWIPH7","bundle":"https://pith.science/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/bundle.json","state":"https://pith.science/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KPH34TPCABQ4FGXKKVWEXWIPH7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:KPH34TPCABQ4FGXKKVWEXWIPH7","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":"4702602a442893a25e5e3aca2421d4313c0f8df6d52fb05ced700dad9f7bc1d6","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-29T10:58:45Z","title_canon_sha256":"9c3621bf65aaf78b0386b864402aa6e7c7a91c8c49599eb74dece6a4a20eb8e4"},"schema_version":"1.0","source":{"id":"0907.5104","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5104","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5104v1","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5104","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"KPH34TPCABQ4","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KPH34TPCABQ4FGXK","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KPH34TPC","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:1eafcaac6f5153c98a202c4aca6366682ee1ef5fcdf6f7c80c57e0d95e1dd8db","target":"graph","created_at":"2026-05-18T03:23:58Z","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":"The backreaction on black holes due to dragging heavy, rather than test, objects is discussed. As a case study, a regular black Saturn system where the central black hole has vanishing intrinsic angular momentum, J^{BH}=0, is considered. It is shown that there is a correlation between the sign of two response functions. One is interpreted as a moment of inertia of the black ring in the black Saturn system. The other measures the variation of the black ring horizon angular velocity with the central black hole mass, for fixed ring mass and angular momentum. The two different phases defined by th","authors_text":"Carlos A. R. Herdeiro, Carmen Rebelo, Claude M. Warnick","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-29T10:58:45Z","title":"On the backreaction of frame dragging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5104","kind":"arxiv","version":1},"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":"sha256:4106c2133131d1ceb8f401fa4fa1b18a1f4a7479b1227daf16d4d3b17cd13d6e","target":"record","created_at":"2026-05-18T03:23:58Z","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":"4702602a442893a25e5e3aca2421d4313c0f8df6d52fb05ced700dad9f7bc1d6","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-29T10:58:45Z","title_canon_sha256":"9c3621bf65aaf78b0386b864402aa6e7c7a91c8c49599eb74dece6a4a20eb8e4"},"schema_version":"1.0","source":{"id":"0907.5104","kind":"arxiv","version":1}},"canonical_sha256":"53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53cfbe4de20061c29aea556c4bd90f3ff588eab0c798185ed6ef51539eade08e","first_computed_at":"2026-05-18T03:23:58.573441Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:58.573441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0AWMeLg+wtSU6aOjNfuzav77DbSMlx7cljJMVWRXVi+aiy2eDec/wSzVOXqjIAA2vkQJS8dq+cltjCtxOSGTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:58.574174Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.5104","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4106c2133131d1ceb8f401fa4fa1b18a1f4a7479b1227daf16d4d3b17cd13d6e","sha256:1eafcaac6f5153c98a202c4aca6366682ee1ef5fcdf6f7c80c57e0d95e1dd8db"],"state_sha256":"cce87f32308b99ef9a0ff071c3d1b8ce95c9108557b4f0d54a66d785794e6afe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wBEE2hJdMA1Tv0MCDHEajMRp6Yn72ogzlC2iNHAOnvC7uyVqcrLUIoo/Q5/8OSOQgYwe52YrK5SWYXa20pZjDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T05:15:41.340555Z","bundle_sha256":"2fef4ca026bcaa2bc8816fabc2984d82ca6ebb8850c8a19833021b59b3c7139c"}}