{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4BFL4YRKHDHRFPWZ5YWGT6Q4J3","short_pith_number":"pith:4BFL4YRK","canonical_record":{"source":{"id":"1805.02153","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-06T05:55:01Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"a2ca5e6c3f9498fac56b3a5086f840b2279fc630f4861bf4c7de96a56fc0b191","abstract_canon_sha256":"f362faf574abc662bb1bf14d493107f8a714cea2e405c964fdb1745275d6b384"},"schema_version":"1.0"},"canonical_sha256":"e04abe622a38cf12bed9ee2c69fa1c4ef5b9ff390f88e9ed898f3034609b61fe","source":{"kind":"arxiv","id":"1805.02153","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02153","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02153v3","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02153","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"4BFL4YRKHDHR","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4BFL4YRKHDHRFPWZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4BFL4YRK","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4BFL4YRKHDHRFPWZ5YWGT6Q4J3","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02153","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-06T05:55:01Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"a2ca5e6c3f9498fac56b3a5086f840b2279fc630f4861bf4c7de96a56fc0b191","abstract_canon_sha256":"f362faf574abc662bb1bf14d493107f8a714cea2e405c964fdb1745275d6b384"},"schema_version":"1.0"},"canonical_sha256":"e04abe622a38cf12bed9ee2c69fa1c4ef5b9ff390f88e9ed898f3034609b61fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:03.972578Z","signature_b64":"HRkcsEMvVjmdHJnkUpAL/b2mbuhYbIITMuD2jYzHFnUlhfI9CDmOtlOhyLgqnd3K0HLfiFrNx4zw2ilbXHKVBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e04abe622a38cf12bed9ee2c69fa1c4ef5b9ff390f88e9ed898f3034609b61fe","last_reissued_at":"2026-05-17T23:56:03.971998Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:03.971998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02153","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":"2026-05-17T23:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OtrQihr6CSOopdkfiqxVpdq5oTcSByqG5oROXki6o9zrfwQg5T/ASTjQ7ixG3HQdLPdjL2wtHk5DmGs/SCy9Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T16:31:42.406379Z"},"content_sha256":"ba069312b52f7deb4c8102285bca5cef0c8bb0adea2535cd44195125a16d7844","schema_version":"1.0","event_id":"sha256:ba069312b52f7deb4c8102285bca5cef0c8bb0adea2535cd44195125a16d7844"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4BFL4YRKHDHRFPWZ5YWGT6Q4J3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct N-body simulation of the Galactic centre","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Andreas Just, Long Wang, Manuel Arca Sedda, Peter Berczik, Rainer Spurzem, Taras Panamarev","submitted_at":"2018-05-06T05:55:01Z","abstract_excerpt":"We study the dynamics and evolution of the Milky Way nuclear star cluster performing a high resolution direct one-million-body simulation. Focusing on the interactions between such stellar system and the central supermassive black hole, we find that different stellar components adapt their overall distribution differently. After 5 Gyr, stellar mass black holes are characterized by a spatial distribution with power-slope $-1.75$, fully consistent with the prediction of Bahcall-Wolf pioneering work. Using the vast amount of data available, we infer the rate for tidal disruption events, being $4 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02153","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":""},"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":"2026-05-17T23:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QEBW0zq21DXSPdqVruxmpBzyc8rpYxyIQ6Ga6NPhFpc+4rWme8TCTIQIJ2YFHVuEZmB4U1WC0sr2/s8V5wYQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T16:31:42.406715Z"},"content_sha256":"89b6b4a2061a34cc59a4fb381095f7c896e17fb9711c2a824ef6d9d8cf7e1a9c","schema_version":"1.0","event_id":"sha256:89b6b4a2061a34cc59a4fb381095f7c896e17fb9711c2a824ef6d9d8cf7e1a9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/bundle.json","state_url":"https://pith.science/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/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":"2026-07-02T16:31:42Z","links":{"resolver":"https://pith.science/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3","bundle":"https://pith.science/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/bundle.json","state":"https://pith.science/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4BFL4YRKHDHRFPWZ5YWGT6Q4J3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4BFL4YRKHDHRFPWZ5YWGT6Q4J3","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":"f362faf574abc662bb1bf14d493107f8a714cea2e405c964fdb1745275d6b384","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-06T05:55:01Z","title_canon_sha256":"a2ca5e6c3f9498fac56b3a5086f840b2279fc630f4861bf4c7de96a56fc0b191"},"schema_version":"1.0","source":{"id":"1805.02153","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02153","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02153v3","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02153","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"4BFL4YRKHDHR","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4BFL4YRKHDHRFPWZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4BFL4YRK","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:89b6b4a2061a34cc59a4fb381095f7c896e17fb9711c2a824ef6d9d8cf7e1a9c","target":"graph","created_at":"2026-05-17T23:56:03Z","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 study the dynamics and evolution of the Milky Way nuclear star cluster performing a high resolution direct one-million-body simulation. Focusing on the interactions between such stellar system and the central supermassive black hole, we find that different stellar components adapt their overall distribution differently. After 5 Gyr, stellar mass black holes are characterized by a spatial distribution with power-slope $-1.75$, fully consistent with the prediction of Bahcall-Wolf pioneering work. Using the vast amount of data available, we infer the rate for tidal disruption events, being $4 ","authors_text":"Andreas Just, Long Wang, Manuel Arca Sedda, Peter Berczik, Rainer Spurzem, Taras Panamarev","cross_cats":["astro-ph.HE","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-06T05:55:01Z","title":"Direct N-body simulation of the Galactic centre"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02153","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:ba069312b52f7deb4c8102285bca5cef0c8bb0adea2535cd44195125a16d7844","target":"record","created_at":"2026-05-17T23:56:03Z","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":"f362faf574abc662bb1bf14d493107f8a714cea2e405c964fdb1745275d6b384","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-06T05:55:01Z","title_canon_sha256":"a2ca5e6c3f9498fac56b3a5086f840b2279fc630f4861bf4c7de96a56fc0b191"},"schema_version":"1.0","source":{"id":"1805.02153","kind":"arxiv","version":3}},"canonical_sha256":"e04abe622a38cf12bed9ee2c69fa1c4ef5b9ff390f88e9ed898f3034609b61fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e04abe622a38cf12bed9ee2c69fa1c4ef5b9ff390f88e9ed898f3034609b61fe","first_computed_at":"2026-05-17T23:56:03.971998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:03.971998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HRkcsEMvVjmdHJnkUpAL/b2mbuhYbIITMuD2jYzHFnUlhfI9CDmOtlOhyLgqnd3K0HLfiFrNx4zw2ilbXHKVBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:03.972578Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02153","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba069312b52f7deb4c8102285bca5cef0c8bb0adea2535cd44195125a16d7844","sha256:89b6b4a2061a34cc59a4fb381095f7c896e17fb9711c2a824ef6d9d8cf7e1a9c"],"state_sha256":"7a73f9bae1c122ec518598eec583729562f77324dc48899ca5836a37c508c330"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aO8VHMexr9kQ10A5X8JJaRn56e0mFL053Fo0o9vFgssRE09BQ2rEc07Hcou7JLwdj7BvfdwkMjYM9CP0fnjzBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T16:31:42.408551Z","bundle_sha256":"38ae38daade00ae295ba65e8c75b375c3f7732d802deda65100b050adec47001"}}