{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:2YYNX2PSLEVEGIHRWKKINJGHF7","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":"c9fd5a9c462af1ee1a8e913c0e12bfd500c4bc2ce81478fbe13aee7ba6186e65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-15T20:25:58Z","title_canon_sha256":"749fce9ab3f47f124506163c55f9a63d6ea8b0a5fffb57fb2d691ad9a1f07298"},"schema_version":"1.0","source":{"id":"0905.2615","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.2615","created_at":"2026-05-18T02:13:39Z"},{"alias_kind":"arxiv_version","alias_value":"0905.2615v3","created_at":"2026-05-18T02:13:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.2615","created_at":"2026-05-18T02:13:39Z"},{"alias_kind":"pith_short_12","alias_value":"2YYNX2PSLEVE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2YYNX2PSLEVEGIHR","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2YYNX2PS","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:b1e6cb7e5f838144456eeb48165066fb3893a87829e0052df249c3f521b80b9a","target":"graph","created_at":"2026-05-18T02:13:39Z","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"},"paper":{"abstract_excerpt":"We study the dissipative effects of baryon physics on cosmic statistics at small scales using a cosmological simulation of a (50 Mpc/h)^3 volume of the universe. The MareNostrum simulation was performed using the AMR code RAMSES, and includes most of the physical ingredients which are part of the current theory of galaxy formation, such as metal-dependent cooling and UV heating, subgrid modelling of the ISM, star formation and supernova feedback. We re-ran the same initial conditions for a dark matter only universe, as a reference point for baryon-free cosmic statistics. In this paper, we pres","authors_text":"R. Teyssier, S. Colombi, T. Guillet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-15T20:25:58Z","title":"The effect of baryons on the variance and the skewness of the mass distribution in the universe at small scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.2615","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":"sha256:086041fed60c3428f419cccd283d30d30e9ad4c0cd8e6b031c55065fd8b6d698","target":"record","created_at":"2026-05-18T02:13:39Z","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":"c9fd5a9c462af1ee1a8e913c0e12bfd500c4bc2ce81478fbe13aee7ba6186e65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-15T20:25:58Z","title_canon_sha256":"749fce9ab3f47f124506163c55f9a63d6ea8b0a5fffb57fb2d691ad9a1f07298"},"schema_version":"1.0","source":{"id":"0905.2615","kind":"arxiv","version":3}},"canonical_sha256":"d630dbe9f2592a4320f1b29486a4c72fdde52e4afb3df8cbba86861d5cc5f9e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d630dbe9f2592a4320f1b29486a4c72fdde52e4afb3df8cbba86861d5cc5f9e6","first_computed_at":"2026-05-18T02:13:39.161403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:39.161403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zvq3Nl2X+ZaBGOsUMa+wcjLjoSs3WsSoh+UsuaaFhmKxX74BxTuyZ3AJ8KUPo3J5fwPPyVuUzG6AVbYXroHwBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:39.161756Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.2615","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:086041fed60c3428f419cccd283d30d30e9ad4c0cd8e6b031c55065fd8b6d698","sha256:b1e6cb7e5f838144456eeb48165066fb3893a87829e0052df249c3f521b80b9a"],"state_sha256":"e5b7791d22c4ed49a6cd86f8069435bce8086fca329205b6c9eb9b368affa39b"}