{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:2ZQFV2XKN6QUPJJ3NG6K3IIM24","short_pith_number":"pith:2ZQFV2XK","schema_version":"1.0","canonical_sha256":"d6605aeaea6fa147a53b69bcada10cd70867141d9f5bd192cfffc1e8b8467df6","source":{"kind":"arxiv","id":"0911.3779","version":1},"attestation_state":"computed","paper":{"title":"The Skeleton: Connecting Large Scale Structures to Galaxy Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Adrianne Slyz, Christophe Gay, Christophe Pichon, Dmitry Pogosyan, Julien Devriendt, Simon Prunet, Stephane Colombi, Thierry Sousbie","submitted_at":"2009-11-19T12:33:19Z","abstract_excerpt":"We report on two quantitative, morphological estimators of the filamentary structure of the Cosmic Web, the so-called global and local skeletons. The first, based on a global study of the matter density gradient flow, allows us to study the connectivity between a density peak and its surroundings, with direct relevance to the anisotropic accretion via cold flows on galactic halos.\n  From the second, based on a local constraint equation involving the derivatives of the field, we can derive predictions for powerful statistics, such as the differential length and the relative saddle to extrema co"},"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":"0911.3779","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-19T12:33:19Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"bf24814aa72fda76708e0e608b5648e1fd0ed388a4ed19cb9fab0afc6f82303a","abstract_canon_sha256":"2c8b07ecaa75e275d61b263d0b60801a68925aa88e991e0112f629209c5c00c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:04.499332Z","signature_b64":"kzVjO80UEoaelpmUBSo8R72Km08LTyBK8K7OAxiHa8hvSwbuMHLi2N1Icaga+b1iHvPKR6fmpdw6MNp52+nVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6605aeaea6fa147a53b69bcada10cd70867141d9f5bd192cfffc1e8b8467df6","last_reissued_at":"2026-05-18T02:34:04.498709Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:04.498709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Skeleton: Connecting Large Scale Structures to Galaxy Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Adrianne Slyz, Christophe Gay, Christophe Pichon, Dmitry Pogosyan, Julien Devriendt, Simon Prunet, Stephane Colombi, Thierry Sousbie","submitted_at":"2009-11-19T12:33:19Z","abstract_excerpt":"We report on two quantitative, morphological estimators of the filamentary structure of the Cosmic Web, the so-called global and local skeletons. The first, based on a global study of the matter density gradient flow, allows us to study the connectivity between a density peak and its surroundings, with direct relevance to the anisotropic accretion via cold flows on galactic halos.\n  From the second, based on a local constraint equation involving the derivatives of the field, we can derive predictions for powerful statistics, such as the differential length and the relative saddle to extrema co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3779","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":"0911.3779","created_at":"2026-05-18T02:34:04.498789+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.3779v1","created_at":"2026-05-18T02:34:04.498789+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3779","created_at":"2026-05-18T02:34:04.498789+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ZQFV2XKN6QU","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ZQFV2XKN6QUPJJ3","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ZQFV2XK","created_at":"2026-05-18T12:25:58.018023+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/2ZQFV2XKN6QUPJJ3NG6K3IIM24","json":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24.json","graph_json":"https://pith.science/api/pith-number/2ZQFV2XKN6QUPJJ3NG6K3IIM24/graph.json","events_json":"https://pith.science/api/pith-number/2ZQFV2XKN6QUPJJ3NG6K3IIM24/events.json","paper":"https://pith.science/paper/2ZQFV2XK"},"agent_actions":{"view_html":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24","download_json":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24.json","view_paper":"https://pith.science/paper/2ZQFV2XK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.3779&json=true","fetch_graph":"https://pith.science/api/pith-number/2ZQFV2XKN6QUPJJ3NG6K3IIM24/graph.json","fetch_events":"https://pith.science/api/pith-number/2ZQFV2XKN6QUPJJ3NG6K3IIM24/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24/action/storage_attestation","attest_author":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24/action/author_attestation","sign_citation":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24/action/citation_signature","submit_replication":"https://pith.science/pith/2ZQFV2XKN6QUPJJ3NG6K3IIM24/action/replication_record"}},"created_at":"2026-05-18T02:34:04.498789+00:00","updated_at":"2026-05-18T02:34:04.498789+00:00"}