{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:TQFBKESB33ZSWSYPT6EBA7S6MN","short_pith_number":"pith:TQFBKESB","schema_version":"1.0","canonical_sha256":"9c0a151241def32b4b0f9f88107e5e637d287e4c7dde8b10bf473f6c30769324","source":{"kind":"arxiv","id":"0901.1018","version":1},"attestation_state":"computed","paper":{"title":"High performance computing for classic gravitational N-body systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Italy), Roberto Capuzzo-Dolcetta (Dept. of Physics, Roma, Sapienza, Universita di Roma","submitted_at":"2009-01-08T11:07:54Z","abstract_excerpt":"The role of gravity is crucial in astrophysics. It determines the evolution of any system, over an enormous range of time and space scales. Astronomical stellar systems as composed by N interacting bodies represent examples of self-gravitating systems, usually treatable with the aid of newtonian gravity but for particular cases. In this note I will briefly discuss some of the open problems in the dynamical study of classic self-gravitating N-body systems, over the astronomical range of N. I will also point out how modern research in this field compulsorily requires a heavy use of large scale c"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0901.1018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-01-08T11:07:54Z","cross_cats_sorted":[],"title_canon_sha256":"0b4b510c2af3d180f121a5ca32fa6edbb08790cb9ac04a2ed7573fe026eeb88c","abstract_canon_sha256":"bc5f2b16d04c22f039ed2be9931c2849430af22e7cbf23db734e7b4a22381a60"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:08.334027Z","signature_b64":"hpqW3rLqcCC+uE4D1DqbBb4KzWrb3QqwLEZhp1Yaa+bsNppfb39a3T1Z+H+kOGTfNq6l6fqZV7bXYWibfYwTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c0a151241def32b4b0f9f88107e5e637d287e4c7dde8b10bf473f6c30769324","last_reissued_at":"2026-05-18T02:35:08.333556Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:08.333556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High performance computing for classic gravitational N-body systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Italy), Roberto Capuzzo-Dolcetta (Dept. of Physics, Roma, Sapienza, Universita di Roma","submitted_at":"2009-01-08T11:07:54Z","abstract_excerpt":"The role of gravity is crucial in astrophysics. It determines the evolution of any system, over an enormous range of time and space scales. Astronomical stellar systems as composed by N interacting bodies represent examples of self-gravitating systems, usually treatable with the aid of newtonian gravity but for particular cases. In this note I will briefly discuss some of the open problems in the dynamical study of classic self-gravitating N-body systems, over the astronomical range of N. I will also point out how modern research in this field compulsorily requires a heavy use of large scale c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.1018","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0901.1018","created_at":"2026-05-18T02:35:08.333634+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.1018v1","created_at":"2026-05-18T02:35:08.333634+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.1018","created_at":"2026-05-18T02:35:08.333634+00:00"},{"alias_kind":"pith_short_12","alias_value":"TQFBKESB33ZS","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"TQFBKESB33ZSWSYP","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"TQFBKESB","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN","json":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN.json","graph_json":"https://pith.science/api/pith-number/TQFBKESB33ZSWSYPT6EBA7S6MN/graph.json","events_json":"https://pith.science/api/pith-number/TQFBKESB33ZSWSYPT6EBA7S6MN/events.json","paper":"https://pith.science/paper/TQFBKESB"},"agent_actions":{"view_html":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN","download_json":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN.json","view_paper":"https://pith.science/paper/TQFBKESB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.1018&json=true","fetch_graph":"https://pith.science/api/pith-number/TQFBKESB33ZSWSYPT6EBA7S6MN/graph.json","fetch_events":"https://pith.science/api/pith-number/TQFBKESB33ZSWSYPT6EBA7S6MN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN/action/storage_attestation","attest_author":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN/action/author_attestation","sign_citation":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN/action/citation_signature","submit_replication":"https://pith.science/pith/TQFBKESB33ZSWSYPT6EBA7S6MN/action/replication_record"}},"created_at":"2026-05-18T02:35:08.333634+00:00","updated_at":"2026-05-18T02:35:08.333634+00:00"}