{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:HOVSF6YU6JR4RFYAW5237IJLM2","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":"6a8918d999a9356a91b7dfa94e672d8b8b3a2e6799c1f8d166b5beae9819d938","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-09-29T03:29:35Z","title_canon_sha256":"103f3c708a4e0f802e5b092c5dc88cdf8c63ede01ad0fe190fb68f3047d6d522"},"schema_version":"1.0","source":{"id":"astro-ph/9809370","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9809370","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9809370v2","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9809370","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"pith_short_12","alias_value":"HOVSF6YU6JR4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"HOVSF6YU6JR4RFYA","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"HOVSF6YU","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:b3a0568309d8d2e51c8d9de0abd88555a143aa33d393c1c0c27c8f9da5956535","target":"graph","created_at":"2026-05-18T01:13:45Z","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 analyze a new large-scale ($100h^{-1}$Mpc) numerical hydrodynamic simulation of the popular $\\Lambda$CDM cosmological model, including in our treatment dark matter, gas and star-formation, on the basis of standard physical processes. The method, applied with a numerical resolution of $<200h^{-1}$kpc (which is still quite coarse for following individual galaxies, especially in dense regions), attempts to estimate where and when galaxies form. We then compare the smoothed galaxy distribution with the smoothed mass distribution to determine the \"bias\" defined as $b\\equiv (\\delta M/M)_{gal}/(\\d","authors_text":"Jeremiah P. Ostriker (Princeton University Observatory), Renyue Cen","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-09-29T03:29:35Z","title":"Physical Bias of Galaxies From Large-Scale Hydrodynamic Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9809370","kind":"arxiv","version":2},"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":"sha256:4725b8ecad9c692e2970002f9a2f4842c78184c0776930a6bcb03b05c614b030","target":"record","created_at":"2026-05-18T01:13:45Z","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":"6a8918d999a9356a91b7dfa94e672d8b8b3a2e6799c1f8d166b5beae9819d938","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-09-29T03:29:35Z","title_canon_sha256":"103f3c708a4e0f802e5b092c5dc88cdf8c63ede01ad0fe190fb68f3047d6d522"},"schema_version":"1.0","source":{"id":"astro-ph/9809370","kind":"arxiv","version":2}},"canonical_sha256":"3bab22fb14f263c89700b775bfa12b66bd4ccdf4e991ba4ebfde654342dd474a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3bab22fb14f263c89700b775bfa12b66bd4ccdf4e991ba4ebfde654342dd474a","first_computed_at":"2026-05-18T01:13:45.630233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:45.630233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KEjFMq8W7ZHRMp+psKnUcO3fNr6bhDSf/ipzPs1juID6z0CWoo7ZQqqk6AfkkQXReM4adwWW+GUpp3r/YX5QCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:45.630981Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9809370","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4725b8ecad9c692e2970002f9a2f4842c78184c0776930a6bcb03b05c614b030","sha256:b3a0568309d8d2e51c8d9de0abd88555a143aa33d393c1c0c27c8f9da5956535"],"state_sha256":"ab92069536605a80e46a844a722e7c1fc87bb5ce671486caf9238c40a92471f1"}