{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:VP3AYTSGKV6AIX4NEVXP234TM2","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":"1f1b211462ce67278bd62972a8eba3b53a056344814ac5b7e8074b7c9595de7f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-07T02:35:47Z","title_canon_sha256":"de7b363b6b5e678ab6e672943582782ca9ebe7f0eff0ea8fa9610db7da3f77d5"},"schema_version":"1.0","source":{"id":"astro-ph/0002133","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0002133","created_at":"2026-05-18T04:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002133v1","created_at":"2026-05-18T04:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002133","created_at":"2026-05-18T04:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"VP3AYTSGKV6A","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"VP3AYTSGKV6AIX4N","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"VP3AYTSG","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:3cf4694d14c5f90862d993c705339572b493d9f796ca91d1b1b3f123f0a52743","target":"graph","created_at":"2026-05-18T04:14:55Z","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 present simple models for disk evolution based on two different approaches: a forward approach based on predictions generic to hierarchical models for structure formation (e.g., Mo, Mao, & White 1998) and a backwards approach based on detailed modeling of the Milky Way galaxy (e.g., Bouwens, Cayon, & Silk 1997). We normalize these models to local observations and predict high-redshift luminosities, sizes, circular velocities, and surface brightnesses. Both approaches yield somewhat similar predictions for size, surface brightness, and luminosity evolution though they clearly differ in the a","authors_text":"Joseph Silk (Oxford), Rychard J. Bouwens (UC Santa Cruz)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-02-07T02:35:47Z","title":"Models of Disk Evolution: Confrontation with Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002133","kind":"arxiv","version":1},"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":"sha256:043fac440231b2e5aa3cf30495767aa16eda815553ac8d99a360040bd5c530fa","target":"record","created_at":"2026-05-18T04:14:55Z","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":"1f1b211462ce67278bd62972a8eba3b53a056344814ac5b7e8074b7c9595de7f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-07T02:35:47Z","title_canon_sha256":"de7b363b6b5e678ab6e672943582782ca9ebe7f0eff0ea8fa9610db7da3f77d5"},"schema_version":"1.0","source":{"id":"astro-ph/0002133","kind":"arxiv","version":1}},"canonical_sha256":"abf60c4e46557c045f8d256efd6f9366b2c62b0ed9648959b5d4e63f28fa5c45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abf60c4e46557c045f8d256efd6f9366b2c62b0ed9648959b5d4e63f28fa5c45","first_computed_at":"2026-05-18T04:14:55.558785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:55.558785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KOFNWSt/OCOueZNZNwpUcjjagG/GmmuQb9O66qEtj3a7e6xQMXzBdhXkvxfLw9G/wwCTcEJW9RK8iUVDVdbjAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:55.559299Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0002133","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:043fac440231b2e5aa3cf30495767aa16eda815553ac8d99a360040bd5c530fa","sha256:3cf4694d14c5f90862d993c705339572b493d9f796ca91d1b1b3f123f0a52743"],"state_sha256":"80824936c91919f27f8976205267d329ef0dc78ebb3d33c71003b252e05ebfd4"}