{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OSLZD5W4CECWUFJANC6QZEGFGX","short_pith_number":"pith:OSLZD5W4","canonical_record":{"source":{"id":"1811.10627","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-26T19:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ae9746fe1d6def31eb1204d4bb69c62f58f5fd4793c417f02162ad11eebb850a","abstract_canon_sha256":"457c64e589a08016dc200541ff1623a4e81cb76adf5672961835ff7a11e83f4b"},"schema_version":"1.0"},"canonical_sha256":"749791f6dc11056a152068bd0c90c535f429c3dc7f29cef1e9361df3bbfe8bbc","source":{"kind":"arxiv","id":"1811.10627","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.10627","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1811.10627v2","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10627","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"OSLZD5W4CECW","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OSLZD5W4CECWUFJA","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OSLZD5W4","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OSLZD5W4CECWUFJANC6QZEGFGX","target":"record","payload":{"canonical_record":{"source":{"id":"1811.10627","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-26T19:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ae9746fe1d6def31eb1204d4bb69c62f58f5fd4793c417f02162ad11eebb850a","abstract_canon_sha256":"457c64e589a08016dc200541ff1623a4e81cb76adf5672961835ff7a11e83f4b"},"schema_version":"1.0"},"canonical_sha256":"749791f6dc11056a152068bd0c90c535f429c3dc7f29cef1e9361df3bbfe8bbc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:04.196577Z","signature_b64":"Fmf4YQIp5iOoT/poAn3hne4w5PhyEJEaSQSlqhSt027ocEDm/U1iiN8uZbya17lBPD3jptKZfMTK4DcJ+BHNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"749791f6dc11056a152068bd0c90c535f429c3dc7f29cef1e9361df3bbfe8bbc","last_reissued_at":"2026-05-17T23:43:04.195883Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:04.195883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.10627","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":"2026-05-17T23:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fQpzBmmUicgogmST6AoC6J2r2m117ayWqHfRDv/1t+ZRVIq1ZJJr7AcKEuckhzo1ju+tfuv8hVBVGIpR6VkwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:10:16.177460Z"},"content_sha256":"81556f8a9a97c7b7232e9ef864053fe162164f28338ac57729f3880c7c2ace45","schema_version":"1.0","event_id":"sha256:81556f8a9a97c7b7232e9ef864053fe162164f28338ac57729f3880c7c2ace45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OSLZD5W4CECWUFJANC6QZEGFGX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black hole and neutron star mergers in galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Evgeni Grishin, Giacomo Fragione, Hagai. B. Perets, Nathan W. C. Leigh, Rosalba Perna","submitted_at":"2018-11-26T19:00:03Z","abstract_excerpt":"Nuclear star clusters surrounding supermassive black holes (SMBHs) in galactic nuclei contain large numbers of stars, black holes (BHs) and neutron stars (NSs), a fraction of which are likely to form binaries. These binaries were suggested to form a triple system with the SMBH, which acts as a perturber and may enhance BH and NS mergers via the Lidov-Kozai mechanism. We follow-up previous studies, but for the first time perform an extensive statistical study of BH-BH, NS-NS and BH-NS binary mergers by means of direct high-precision regularized $N$-body simulations, including Post-Newtonian (PN"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10627","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":"2026-05-17T23:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7rRV/v9qTr72wS+NLd57LJOfm+WrJBVFBdllpzU1IuJiu8KTONKqpRG8S4gAvUtNJyQyKrWhXDJXOtRVryyWAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:10:16.177804Z"},"content_sha256":"0c71a58949bf8f11adaee0cd79dde00480c1031c0ad4fa2de9d0b3b77e3dfdfd","schema_version":"1.0","event_id":"sha256:0c71a58949bf8f11adaee0cd79dde00480c1031c0ad4fa2de9d0b3b77e3dfdfd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSLZD5W4CECWUFJANC6QZEGFGX/bundle.json","state_url":"https://pith.science/pith/OSLZD5W4CECWUFJANC6QZEGFGX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSLZD5W4CECWUFJANC6QZEGFGX/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":"2026-06-04T07:10:16Z","links":{"resolver":"https://pith.science/pith/OSLZD5W4CECWUFJANC6QZEGFGX","bundle":"https://pith.science/pith/OSLZD5W4CECWUFJANC6QZEGFGX/bundle.json","state":"https://pith.science/pith/OSLZD5W4CECWUFJANC6QZEGFGX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSLZD5W4CECWUFJANC6QZEGFGX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OSLZD5W4CECWUFJANC6QZEGFGX","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":"457c64e589a08016dc200541ff1623a4e81cb76adf5672961835ff7a11e83f4b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-26T19:00:03Z","title_canon_sha256":"ae9746fe1d6def31eb1204d4bb69c62f58f5fd4793c417f02162ad11eebb850a"},"schema_version":"1.0","source":{"id":"1811.10627","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.10627","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1811.10627v2","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10627","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"OSLZD5W4CECW","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OSLZD5W4CECWUFJA","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OSLZD5W4","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:0c71a58949bf8f11adaee0cd79dde00480c1031c0ad4fa2de9d0b3b77e3dfdfd","target":"graph","created_at":"2026-05-17T23:43:04Z","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":"Nuclear star clusters surrounding supermassive black holes (SMBHs) in galactic nuclei contain large numbers of stars, black holes (BHs) and neutron stars (NSs), a fraction of which are likely to form binaries. These binaries were suggested to form a triple system with the SMBH, which acts as a perturber and may enhance BH and NS mergers via the Lidov-Kozai mechanism. We follow-up previous studies, but for the first time perform an extensive statistical study of BH-BH, NS-NS and BH-NS binary mergers by means of direct high-precision regularized $N$-body simulations, including Post-Newtonian (PN","authors_text":"Evgeni Grishin, Giacomo Fragione, Hagai. B. Perets, Nathan W. C. Leigh, Rosalba Perna","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-26T19:00:03Z","title":"Black hole and neutron star mergers in galactic nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10627","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":"sha256:81556f8a9a97c7b7232e9ef864053fe162164f28338ac57729f3880c7c2ace45","target":"record","created_at":"2026-05-17T23:43:04Z","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":"457c64e589a08016dc200541ff1623a4e81cb76adf5672961835ff7a11e83f4b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-26T19:00:03Z","title_canon_sha256":"ae9746fe1d6def31eb1204d4bb69c62f58f5fd4793c417f02162ad11eebb850a"},"schema_version":"1.0","source":{"id":"1811.10627","kind":"arxiv","version":2}},"canonical_sha256":"749791f6dc11056a152068bd0c90c535f429c3dc7f29cef1e9361df3bbfe8bbc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"749791f6dc11056a152068bd0c90c535f429c3dc7f29cef1e9361df3bbfe8bbc","first_computed_at":"2026-05-17T23:43:04.195883Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:04.195883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fmf4YQIp5iOoT/poAn3hne4w5PhyEJEaSQSlqhSt027ocEDm/U1iiN8uZbya17lBPD3jptKZfMTK4DcJ+BHNBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:04.196577Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.10627","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81556f8a9a97c7b7232e9ef864053fe162164f28338ac57729f3880c7c2ace45","sha256:0c71a58949bf8f11adaee0cd79dde00480c1031c0ad4fa2de9d0b3b77e3dfdfd"],"state_sha256":"f246aed36e0d0a40e52bd687d9a4aa64725587d1643161985e7aa08bd8446855"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G6Da9OCdHCBq39zg9BYp77WZhUIHXl6c4gqDaJSx7BOv+US/NsdwjFeeg8ETr2gA59sXdCD5W/YoL6y8g8tPCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:10:16.180000Z","bundle_sha256":"d535e43efe1da89c4815f1e651e70f9f2a3cac7509b7e8df53cd245dcea22a26"}}