{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2LD27QBRGDHRYIJUMYEKF65EHB","short_pith_number":"pith:2LD27QBR","canonical_record":{"source":{"id":"1804.01543","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-04T18:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"3c40df09e3fa33f40e5d3670449374f746eaa58db4778aafd1b8ab49c4c1be6e","abstract_canon_sha256":"3cedd6c8d60e4f231d221e94114d9a832695cdcde5ea09d228ceb90852bb8f78"},"schema_version":"1.0"},"canonical_sha256":"d2c7afc03130cf1c21346608a2fba4386a3f037aeeeec58396bd8c726735afba","source":{"kind":"arxiv","id":"1804.01543","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01543","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01543v2","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01543","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"pith_short_12","alias_value":"2LD27QBRGDHR","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2LD27QBRGDHRYIJU","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2LD27QBR","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2LD27QBRGDHRYIJUMYEKF65EHB","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01543","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-04T18:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"3c40df09e3fa33f40e5d3670449374f746eaa58db4778aafd1b8ab49c4c1be6e","abstract_canon_sha256":"3cedd6c8d60e4f231d221e94114d9a832695cdcde5ea09d228ceb90852bb8f78"},"schema_version":"1.0"},"canonical_sha256":"d2c7afc03130cf1c21346608a2fba4386a3f037aeeeec58396bd8c726735afba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:34.856336Z","signature_b64":"jcLHU424MN4U/TWjL2yIJ0uUVATx8sa/sFIYte5QtKapiJ9wudZSxa04v5izJl9+/lrTaF3jxCMZ3R0YssDxDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2c7afc03130cf1c21346608a2fba4386a3f037aeeeec58396bd8c726735afba","last_reissued_at":"2026-05-18T00:11:34.855606Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:34.855606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01543","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":"2026-05-18T00:11:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RkXARZmSPyQj0nm8N3tMFYX131+P/8bijRm1uAW4nkBRYPCNIVb2pSlCNcF8BznHIHuJ1vKZKHEDZGBlGcYtBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:35:21.128693Z"},"content_sha256":"c19380e33efcc8e1b51e35a3814271e461d9eef970460a7352bb855e058ceafe","schema_version":"1.0","event_id":"sha256:c19380e33efcc8e1b51e35a3814271e461d9eef970460a7352bb855e058ceafe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2LD27QBRGDHRYIJUMYEKF65EHB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Overabundance of Black Hole X-Ray Binaries in the Galactic Center from Tidal Captures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Generozov, B.D. Metzger, J.P. Ostriker, N.C. Stone","submitted_at":"2018-04-04T18:00:24Z","abstract_excerpt":"A large population of X-ray binaries (XRBs) was recently discovered within the central parsec of the Galaxy by Hailey et al. While the presence of compact objects on this scale due to radial mass segregation is, in itself, unsurprising, the fraction of binaries would naively be expected to be small because of how easily primordial binaries are dissociated in the dynamically hot environment of the nuclear star cluster (NSC). We propose that the formation of XRBs in the central parsec is dominated by the tidal capture of stars by black holes (BHs) and neutron stars (NSs). We model the time-depen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01543","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":"2026-05-18T00:11:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYY4WGBkfgHJDkLPYZI9M9Y32/hNaf41cXBd+SUvmX5YAvvrBKz5o/vvg10qspRSiTHQGQIYzSECQvhx4zIBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:35:21.129504Z"},"content_sha256":"0be14376b2d2b1c8d741b17145b0c72582b9faeebf75f88d8baef4e054c62fad","schema_version":"1.0","event_id":"sha256:0be14376b2d2b1c8d741b17145b0c72582b9faeebf75f88d8baef4e054c62fad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2LD27QBRGDHRYIJUMYEKF65EHB/bundle.json","state_url":"https://pith.science/pith/2LD27QBRGDHRYIJUMYEKF65EHB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2LD27QBRGDHRYIJUMYEKF65EHB/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":"2026-06-05T06:35:21Z","links":{"resolver":"https://pith.science/pith/2LD27QBRGDHRYIJUMYEKF65EHB","bundle":"https://pith.science/pith/2LD27QBRGDHRYIJUMYEKF65EHB/bundle.json","state":"https://pith.science/pith/2LD27QBRGDHRYIJUMYEKF65EHB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2LD27QBRGDHRYIJUMYEKF65EHB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2LD27QBRGDHRYIJUMYEKF65EHB","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":"3cedd6c8d60e4f231d221e94114d9a832695cdcde5ea09d228ceb90852bb8f78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-04T18:00:24Z","title_canon_sha256":"3c40df09e3fa33f40e5d3670449374f746eaa58db4778aafd1b8ab49c4c1be6e"},"schema_version":"1.0","source":{"id":"1804.01543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01543","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01543v2","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01543","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"pith_short_12","alias_value":"2LD27QBRGDHR","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2LD27QBRGDHRYIJU","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2LD27QBR","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:0be14376b2d2b1c8d741b17145b0c72582b9faeebf75f88d8baef4e054c62fad","target":"graph","created_at":"2026-05-18T00:11:34Z","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":"A large population of X-ray binaries (XRBs) was recently discovered within the central parsec of the Galaxy by Hailey et al. While the presence of compact objects on this scale due to radial mass segregation is, in itself, unsurprising, the fraction of binaries would naively be expected to be small because of how easily primordial binaries are dissociated in the dynamically hot environment of the nuclear star cluster (NSC). We propose that the formation of XRBs in the central parsec is dominated by the tidal capture of stars by black holes (BHs) and neutron stars (NSs). We model the time-depen","authors_text":"A. Generozov, B.D. Metzger, J.P. Ostriker, N.C. Stone","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-04T18:00:24Z","title":"An Overabundance of Black Hole X-Ray Binaries in the Galactic Center from Tidal Captures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01543","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:c19380e33efcc8e1b51e35a3814271e461d9eef970460a7352bb855e058ceafe","target":"record","created_at":"2026-05-18T00:11:34Z","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":"3cedd6c8d60e4f231d221e94114d9a832695cdcde5ea09d228ceb90852bb8f78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-04T18:00:24Z","title_canon_sha256":"3c40df09e3fa33f40e5d3670449374f746eaa58db4778aafd1b8ab49c4c1be6e"},"schema_version":"1.0","source":{"id":"1804.01543","kind":"arxiv","version":2}},"canonical_sha256":"d2c7afc03130cf1c21346608a2fba4386a3f037aeeeec58396bd8c726735afba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2c7afc03130cf1c21346608a2fba4386a3f037aeeeec58396bd8c726735afba","first_computed_at":"2026-05-18T00:11:34.855606Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:34.855606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jcLHU424MN4U/TWjL2yIJ0uUVATx8sa/sFIYte5QtKapiJ9wudZSxa04v5izJl9+/lrTaF3jxCMZ3R0YssDxDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:34.856336Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c19380e33efcc8e1b51e35a3814271e461d9eef970460a7352bb855e058ceafe","sha256:0be14376b2d2b1c8d741b17145b0c72582b9faeebf75f88d8baef4e054c62fad"],"state_sha256":"ccf19f033f85661e521a8a6a7c4c20d7596a5def4bf7afb402c842d8b3001fb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vFZGxcSYuXgubGJkcYzc6IiZEQse8bqLmKe5uPbhu9uTxf+chj9mFpgVluEeq5pm+4fWyeIksfjm9Ww/bTaDBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:35:21.132143Z","bundle_sha256":"dbdf0de4f7c31af75ff92a0b21f41f2ed0ceeb823dc6de9da7c36fff5294c3d9"}}