{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:CET6RGOCQENXPMJ5AVLPQLOWF2","short_pith_number":"pith:CET6RGOC","schema_version":"1.0","canonical_sha256":"1127e899c2811b77b13d0556f82dd62eaa3fded48e57e523236504bba479eeeb","source":{"kind":"arxiv","id":"1703.07363","version":2},"attestation_state":"computed","paper":{"title":"The Arrow of Time in the collapse of collisionless self-gravitating systems: non-validity of the Vlasov-Poisson equation during violent relaxation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Eder Perico, Laerte Sodr\\'e, Leandro Beraldo e Silva, Marcos Lima, Walter de Siqueira Pedra","submitted_at":"2017-03-21T18:00:09Z","abstract_excerpt":"The collapse of a collisionless self-gravitating system, with the fast achievement of a quasi-stationary state, is driven by violent relaxation, with a typical particle interacting with the time-changing collective potential. It is traditionally assumed that this evolution is governed by the Vlasov-Poisson equation, in which case entropy must be conserved. We run N-body simulations of isolated self-gravitating systems, using three simulation codes: NBODY-6 (direct summation without softening), NBODY-2 (direct summation with softening) and GADGET-2 (tree code with softening), for different numb"},"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":"1703.07363","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-21T18:00:09Z","cross_cats_sorted":[],"title_canon_sha256":"65350a1fa8b9c8d636dff24ef346bfd6171683ea45d8669e2d6c6a869f243129","abstract_canon_sha256":"1c0fc4b68eb555004e3ddf6803582a213804723b368ea0141eab9ca9868b04e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:41.793534Z","signature_b64":"n3vs2cm5J4/EuyMEB95jZj/cebJovZJsq1ZO75+VUeH8ww6HdUhZy/bsBHDLtUwGbbbmeaCa7gIz226IXC00BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1127e899c2811b77b13d0556f82dd62eaa3fded48e57e523236504bba479eeeb","last_reissued_at":"2026-05-18T00:34:41.792967Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:41.792967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Arrow of Time in the collapse of collisionless self-gravitating systems: non-validity of the Vlasov-Poisson equation during violent relaxation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Eder Perico, Laerte Sodr\\'e, Leandro Beraldo e Silva, Marcos Lima, Walter de Siqueira Pedra","submitted_at":"2017-03-21T18:00:09Z","abstract_excerpt":"The collapse of a collisionless self-gravitating system, with the fast achievement of a quasi-stationary state, is driven by violent relaxation, with a typical particle interacting with the time-changing collective potential. It is traditionally assumed that this evolution is governed by the Vlasov-Poisson equation, in which case entropy must be conserved. We run N-body simulations of isolated self-gravitating systems, using three simulation codes: NBODY-6 (direct summation without softening), NBODY-2 (direct summation with softening) and GADGET-2 (tree code with softening), for different numb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07363","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1703.07363","created_at":"2026-05-18T00:34:41.793058+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.07363v2","created_at":"2026-05-18T00:34:41.793058+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07363","created_at":"2026-05-18T00:34:41.793058+00:00"},{"alias_kind":"pith_short_12","alias_value":"CET6RGOCQENX","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_16","alias_value":"CET6RGOCQENXPMJ5","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_8","alias_value":"CET6RGOC","created_at":"2026-05-18T12:31:10.602751+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/CET6RGOCQENXPMJ5AVLPQLOWF2","json":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2.json","graph_json":"https://pith.science/api/pith-number/CET6RGOCQENXPMJ5AVLPQLOWF2/graph.json","events_json":"https://pith.science/api/pith-number/CET6RGOCQENXPMJ5AVLPQLOWF2/events.json","paper":"https://pith.science/paper/CET6RGOC"},"agent_actions":{"view_html":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2","download_json":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2.json","view_paper":"https://pith.science/paper/CET6RGOC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.07363&json=true","fetch_graph":"https://pith.science/api/pith-number/CET6RGOCQENXPMJ5AVLPQLOWF2/graph.json","fetch_events":"https://pith.science/api/pith-number/CET6RGOCQENXPMJ5AVLPQLOWF2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2/action/storage_attestation","attest_author":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2/action/author_attestation","sign_citation":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2/action/citation_signature","submit_replication":"https://pith.science/pith/CET6RGOCQENXPMJ5AVLPQLOWF2/action/replication_record"}},"created_at":"2026-05-18T00:34:41.793058+00:00","updated_at":"2026-05-18T00:34:41.793058+00:00"}