{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:BNK3H2PZRIKQYKMGYVRCFLJ2VK","short_pith_number":"pith:BNK3H2PZ","schema_version":"1.0","canonical_sha256":"0b55b3e9f98a150c2986c56222ad3aaaa7e7c7b6d5c50488795cb8009d0dc819","source":{"kind":"arxiv","id":"astro-ph/0002151","version":2},"attestation_state":"computed","paper":{"title":"Effect of Reionization on the Structure Formation in the Universe","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Nickolay Y. Gnedin","submitted_at":"2000-02-07T16:14:36Z","abstract_excerpt":"I use simulations of cosmological reionization to quantify the effect of photoionization on the gas fraction in low mass objects, in particular the characteristic mass scale below which the gas fraction is reduced compared to the universal value. I show that this characteristic scale can be up to an order of magnitude lower than the linear theory Jeans mass, and that even if one defines the Jeans mass at a higher overdensity, it does not track the evolution of this characteristic suppression mass. Instead, the filtering mass, which corresponds directly to the scale over which baryonic perturba"},"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/0002151","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-07T16:14:36Z","cross_cats_sorted":[],"title_canon_sha256":"da39d4e44f19dc6820e475a174301633db692d8a1c714f8557365cf0a180d3e5","abstract_canon_sha256":"f93b6938a09111868f09a9de7de59191e7d7d0cbb852aa0957a3deb5a7477053"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:22:54.974108Z","signature_b64":"wJc2BThjkuWVvpJiQLcqiCrYegC25h4JxeuCrrNj2ih081xQvGCqlthr8CWjWe0Dci62m7d/lgj1f5Fq1C/9Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b55b3e9f98a150c2986c56222ad3aaaa7e7c7b6d5c50488795cb8009d0dc819","last_reissued_at":"2026-07-04T15:22:54.973717Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:22:54.973717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effect of Reionization on the Structure Formation in the Universe","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Nickolay Y. Gnedin","submitted_at":"2000-02-07T16:14:36Z","abstract_excerpt":"I use simulations of cosmological reionization to quantify the effect of photoionization on the gas fraction in low mass objects, in particular the characteristic mass scale below which the gas fraction is reduced compared to the universal value. I show that this characteristic scale can be up to an order of magnitude lower than the linear theory Jeans mass, and that even if one defines the Jeans mass at a higher overdensity, it does not track the evolution of this characteristic suppression mass. Instead, the filtering mass, which corresponds directly to the scale over which baryonic perturba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002151","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0002151/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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/0002151","created_at":"2026-07-04T15:22:54.973777+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002151v2","created_at":"2026-07-04T15:22:54.973777+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002151","created_at":"2026-07-04T15:22:54.973777+00:00"},{"alias_kind":"pith_short_12","alias_value":"BNK3H2PZRIKQ","created_at":"2026-07-04T15:22:54.973777+00:00"},{"alias_kind":"pith_short_16","alias_value":"BNK3H2PZRIKQYKMG","created_at":"2026-07-04T15:22:54.973777+00:00"},{"alias_kind":"pith_short_8","alias_value":"BNK3H2PZ","created_at":"2026-07-04T15:22:54.973777+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2606.19449","citing_title":"A self-consistent analytical model for both the photoionization rate and reionization history","ref_index":38,"is_internal_anchor":true},{"citing_arxiv_id":"2606.27479","citing_title":"The Bright Future of the Dark and Dim Universe","ref_index":155,"is_internal_anchor":true},{"citing_arxiv_id":"2605.17253","citing_title":"HI Observations of Baryon-Dominated Dwarf Galaxy Candidates","ref_index":186,"is_internal_anchor":true},{"citing_arxiv_id":"2605.05323","citing_title":"Primordial Magnetic Fields at Cosmic Dawn: 21-cm Forecasts with HERA and SKA","ref_index":36,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK","json":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK.json","graph_json":"https://pith.science/api/pith-number/BNK3H2PZRIKQYKMGYVRCFLJ2VK/graph.json","events_json":"https://pith.science/api/pith-number/BNK3H2PZRIKQYKMGYVRCFLJ2VK/events.json","paper":"https://pith.science/paper/BNK3H2PZ"},"agent_actions":{"view_html":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK","download_json":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK.json","view_paper":"https://pith.science/paper/BNK3H2PZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0002151&json=true","fetch_graph":"https://pith.science/api/pith-number/BNK3H2PZRIKQYKMGYVRCFLJ2VK/graph.json","fetch_events":"https://pith.science/api/pith-number/BNK3H2PZRIKQYKMGYVRCFLJ2VK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK/action/storage_attestation","attest_author":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK/action/author_attestation","sign_citation":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK/action/citation_signature","submit_replication":"https://pith.science/pith/BNK3H2PZRIKQYKMGYVRCFLJ2VK/action/replication_record"}},"created_at":"2026-07-04T15:22:54.973777+00:00","updated_at":"2026-07-04T15:22:54.973777+00:00"}