{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:DLCXCFBSSFASFF5K55NZI7QXLL","short_pith_number":"pith:DLCXCFBS","schema_version":"1.0","canonical_sha256":"1ac571143291412297aaef5b947e175ac29cc98bd79c4e7feb0edd33956b1706","source":{"kind":"arxiv","id":"astro-ph/0509858","version":1},"attestation_state":"computed","paper":{"title":"Shapes and Sizes of Voids in the LCDM Universe: Excursion Set Approach","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"3), Hume A. Feldman (1), Katrin Heitmann (2) & Salman Habib (3) ((1) Dep. of Phys. & Astron., KS; (2) ISR-1, LANL, Lawrence, Los Alamos, NM), NM; (3) T-8, Sergei Shandarin (1, Univ. of California, Univ. of Kansas","submitted_at":"2005-09-28T20:42:36Z","abstract_excerpt":"We study the global distribution and morphology of dark matter voids in a LCDM universe using density fields generated by N-body simulations. Voids are defined as isolated regions of the low-density excursion set specified via density thresholds, the density thresholds being quantified by the corresponding filling factors, i.e., the fraction of the total volume in the excursion set. Our work encompasses a systematic investigation of the void volume function, the volume fraction in voids, and the fitting of voids to corresponding ellipsoids and spheres. We emphasize the relevance of the percola"},"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":"astro-ph/0509858","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-28T20:42:36Z","cross_cats_sorted":[],"title_canon_sha256":"6b4c512e87bad82a2bbad9ed329feb48cb5fc4e0aa23261c010a66ed9ae98c9b","abstract_canon_sha256":"676d4050485b2b9db18696d4b17be1dc05be6c6c9d8b6370ba6cece3ed34f0aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:26.574877Z","signature_b64":"2Xsx0zOO/Rpn94sGLWbKISCkQhSrqtyruTJ5AKIoReJzOnlLJO07W5u5H21d1fCGowErfUOfHwUPEx9oywkwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ac571143291412297aaef5b947e175ac29cc98bd79c4e7feb0edd33956b1706","last_reissued_at":"2026-05-18T01:07:26.574071Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:26.574071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Shapes and Sizes of Voids in the LCDM Universe: Excursion Set Approach","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"3), Hume A. Feldman (1), Katrin Heitmann (2) & Salman Habib (3) ((1) Dep. of Phys. & Astron., KS; (2) ISR-1, LANL, Lawrence, Los Alamos, NM), NM; (3) T-8, Sergei Shandarin (1, Univ. of California, Univ. of Kansas","submitted_at":"2005-09-28T20:42:36Z","abstract_excerpt":"We study the global distribution and morphology of dark matter voids in a LCDM universe using density fields generated by N-body simulations. Voids are defined as isolated regions of the low-density excursion set specified via density thresholds, the density thresholds being quantified by the corresponding filling factors, i.e., the fraction of the total volume in the excursion set. Our work encompasses a systematic investigation of the void volume function, the volume fraction in voids, and the fitting of voids to corresponding ellipsoids and spheres. We emphasize the relevance of the percola"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509858","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":"astro-ph/0509858","created_at":"2026-05-18T01:07:26.574209+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509858v1","created_at":"2026-05-18T01:07:26.574209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509858","created_at":"2026-05-18T01:07:26.574209+00:00"},{"alias_kind":"pith_short_12","alias_value":"DLCXCFBSSFAS","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"DLCXCFBSSFASFF5K","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"DLCXCFBS","created_at":"2026-05-18T12:25:53.335082+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/DLCXCFBSSFASFF5K55NZI7QXLL","json":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL.json","graph_json":"https://pith.science/api/pith-number/DLCXCFBSSFASFF5K55NZI7QXLL/graph.json","events_json":"https://pith.science/api/pith-number/DLCXCFBSSFASFF5K55NZI7QXLL/events.json","paper":"https://pith.science/paper/DLCXCFBS"},"agent_actions":{"view_html":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL","download_json":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL.json","view_paper":"https://pith.science/paper/DLCXCFBS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0509858&json=true","fetch_graph":"https://pith.science/api/pith-number/DLCXCFBSSFASFF5K55NZI7QXLL/graph.json","fetch_events":"https://pith.science/api/pith-number/DLCXCFBSSFASFF5K55NZI7QXLL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL/action/storage_attestation","attest_author":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL/action/author_attestation","sign_citation":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL/action/citation_signature","submit_replication":"https://pith.science/pith/DLCXCFBSSFASFF5K55NZI7QXLL/action/replication_record"}},"created_at":"2026-05-18T01:07:26.574209+00:00","updated_at":"2026-05-18T01:07:26.574209+00:00"}