{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BS5RXBKQ24RGLWF6Q4NDS6RYU6","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":"e7fa0231060823fd262854f9713863611946b8e2466c8635846b78413cebb67e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2025-03-28T19:34:49Z","title_canon_sha256":"6bb4f2e924373466461312330331674c8380df2482a18b4ea57c9d43eabf3e3b"},"schema_version":"1.0","source":{"id":"2503.22842","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.22842","created_at":"2026-07-05T10:46:03Z"},{"alias_kind":"arxiv_version","alias_value":"2503.22842v3","created_at":"2026-07-05T10:46:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.22842","created_at":"2026-07-05T10:46:03Z"},{"alias_kind":"pith_short_12","alias_value":"BS5RXBKQ24RG","created_at":"2026-07-05T10:46:03Z"},{"alias_kind":"pith_short_16","alias_value":"BS5RXBKQ24RGLWF6","created_at":"2026-07-05T10:46:03Z"},{"alias_kind":"pith_short_8","alias_value":"BS5RXBKQ","created_at":"2026-07-05T10:46:03Z"}],"graph_snapshots":[{"event_id":"sha256:9dc54d54e2b3ce50a548de6569eb7108acc6d80454d66cfa6d32072f2053eba4","target":"graph","created_at":"2026-07-05T10:46:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2503.22842/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Vlasov-Poisson systems of equations (VP) describes the evolution of a distribution of collisionless particles under the effect of a collective-field potential. VP is at the basis of the study of the gravitational instability of cosmological density perturbations in Dark-Matter (DM), but its range of application extends to other fields, such as plasma physics.\n  In the case of Cold Dark Matter, a single velocity is associated with each fluid-element (or particle) , the initial condition presents a stiff discontinuity. This creates problems such as diffusion or negative distribution function","authors_text":"Alessandro Rizzo, Andrea Bulgarelli, Carlo Burigana, Farida Farsian, Francesco Schillir\\`o, Giuseppe Murante, Giuseppe Sarracino, Luca Cappelli, Massimo Meneghetti, Nicol\\`o Parmiggiani, Roberto Scaramella, Stefano Borgani, Tiziana Trombetti, Vincenzo Fabrizio Cardone, Vincenzo Testa","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2025-03-28T19:34:49Z","title":"Numerical limits in the integration of Vlasov-Poisson equation for Cold Dark Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.22842","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:b3afb649ccd77bcc05bc4962e1de2c1a09e49354622fc1c6b151f05a227891b8","target":"record","created_at":"2026-07-05T10:46:03Z","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":"e7fa0231060823fd262854f9713863611946b8e2466c8635846b78413cebb67e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2025-03-28T19:34:49Z","title_canon_sha256":"6bb4f2e924373466461312330331674c8380df2482a18b4ea57c9d43eabf3e3b"},"schema_version":"1.0","source":{"id":"2503.22842","kind":"arxiv","version":3}},"canonical_sha256":"0cbb1b8550d72265d8be871a397a38a7b63e390faf3b48b0d6e2960125db8308","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0cbb1b8550d72265d8be871a397a38a7b63e390faf3b48b0d6e2960125db8308","first_computed_at":"2026-07-05T10:46:03.402415Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:46:03.402415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HxzMLiQHax4f4PuiRs7lcoG4ezWburKW6OOmT2xDUROaI0r2GvCGD8GiVLh1XserRiT/ls4O6k+rpA1bM3D7AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:46:03.403003Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.22842","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3afb649ccd77bcc05bc4962e1de2c1a09e49354622fc1c6b151f05a227891b8","sha256:9dc54d54e2b3ce50a548de6569eb7108acc6d80454d66cfa6d32072f2053eba4"],"state_sha256":"3a439ee9218e03516a49bd18e3c28702d2f9a16a14906bb4159e29ac83111232"}