{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:RIDZHM6KQVDLEINM6BOB5XODNS","short_pith_number":"pith:RIDZHM6K","canonical_record":{"source":{"id":"astro-ph/0406032","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-01T20:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"cfcd4e9f74177f5a0d5edd4f9dad51d82fb088778fa51db5d5e7d075d44dab92","abstract_canon_sha256":"095df92bb52ad47275c250758b24d9ee7dd92415312f704f47ccbe6d036acb09"},"schema_version":"1.0"},"canonical_sha256":"8a0793b3ca8546b221acf05c1eddc36c8301850613daea0f96364cb9a07ca3b4","source":{"kind":"arxiv","id":"astro-ph/0406032","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406032","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406032v2","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406032","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"RIDZHM6KQVDL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"RIDZHM6KQVDLEINM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"RIDZHM6K","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:RIDZHM6KQVDLEINM6BOB5XODNS","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0406032","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-01T20:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"cfcd4e9f74177f5a0d5edd4f9dad51d82fb088778fa51db5d5e7d075d44dab92","abstract_canon_sha256":"095df92bb52ad47275c250758b24d9ee7dd92415312f704f47ccbe6d036acb09"},"schema_version":"1.0"},"canonical_sha256":"8a0793b3ca8546b221acf05c1eddc36c8301850613daea0f96364cb9a07ca3b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:26.386801Z","signature_b64":"loj3d1fBgxT2/9EgaR/c/OLEepA0W2g/fipyWcyUhBIRKSPuU3z942oMXxK1b2/5dMUTzvJJGKqD/UD98VnKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a0793b3ca8546b221acf05c1eddc36c8301850613daea0f96364cb9a07ca3b4","last_reissued_at":"2026-05-18T02:40:26.386299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:26.386299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0406032","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PD5LDQ1TXALz5rAkItK8W5fB31siL2y7seImGQJLRjvjElyNZ+cEMJTdMw5HfgznQbkJoTTmQQJsEVlQIteiAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:10:59.199028Z"},"content_sha256":"6c9b88d7163c713596157dd0d48a6517956c401e197c449c16ce89594b5102f4","schema_version":"1.0","event_id":"sha256:6c9b88d7163c713596157dd0d48a6517956c401e197c449c16ce89594b5102f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:RIDZHM6KQVDLEINM6BOB5XODNS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Massive galaxies in cosmological simulations: UV-selected sample at redshift z=2","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Princeton, 3), (3) IoA Cambridge, (4) MPA), Jeremiah P. Ostriker (2, Kentaro Nagamine (1), Lars Hernquist (1), Renyue Cen (2), Volker Springel (4) ((1) Harvard-CfA","submitted_at":"2004-06-01T20:27:21Z","abstract_excerpt":"We study the properties of galaxies at z=2 in a Lambda CDM universe, using two different types of hydrodynamic simulation methods (Eulerian TVD and SPH) and a spectrophotometric analysis in the Un, G, R filter set. The simulated galaxies at z=2 satisfy the color-selection criteria proposed by Adelberger et al. (2004) when we assume Calzetti extinction with E(B-V)=0.15. We find that the number density of simulated galaxies brighter than R<25.5 at z=2 is about 2e-2 h^3/Mpc^3, roughly one order of magnitude larger than that of Lyman break galaxies at z=3. The most massive galaxies at z=2 have ste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406032","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PQ1IJ18m3fZC+6vUopr3oMeGZRe9W26SgNjBM8LUQUXWDxT9GfvgeUNCYIL0/RyCtElxD2/o2ar3kQbts0xoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:10:59.199415Z"},"content_sha256":"75ef367f66efeaca573aa6fa617c11e2a278f48a570b92da9cf06ba1b03dfe6b","schema_version":"1.0","event_id":"sha256:75ef367f66efeaca573aa6fa617c11e2a278f48a570b92da9cf06ba1b03dfe6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RIDZHM6KQVDLEINM6BOB5XODNS/bundle.json","state_url":"https://pith.science/pith/RIDZHM6KQVDLEINM6BOB5XODNS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RIDZHM6KQVDLEINM6BOB5XODNS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T19:10:59Z","links":{"resolver":"https://pith.science/pith/RIDZHM6KQVDLEINM6BOB5XODNS","bundle":"https://pith.science/pith/RIDZHM6KQVDLEINM6BOB5XODNS/bundle.json","state":"https://pith.science/pith/RIDZHM6KQVDLEINM6BOB5XODNS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RIDZHM6KQVDLEINM6BOB5XODNS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:RIDZHM6KQVDLEINM6BOB5XODNS","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":"095df92bb52ad47275c250758b24d9ee7dd92415312f704f47ccbe6d036acb09","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-01T20:27:21Z","title_canon_sha256":"cfcd4e9f74177f5a0d5edd4f9dad51d82fb088778fa51db5d5e7d075d44dab92"},"schema_version":"1.0","source":{"id":"astro-ph/0406032","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406032","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406032v2","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406032","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"RIDZHM6KQVDL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"RIDZHM6KQVDLEINM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"RIDZHM6K","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:75ef367f66efeaca573aa6fa617c11e2a278f48a570b92da9cf06ba1b03dfe6b","target":"graph","created_at":"2026-05-18T02:40:26Z","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 properties of galaxies at z=2 in a Lambda CDM universe, using two different types of hydrodynamic simulation methods (Eulerian TVD and SPH) and a spectrophotometric analysis in the Un, G, R filter set. The simulated galaxies at z=2 satisfy the color-selection criteria proposed by Adelberger et al. (2004) when we assume Calzetti extinction with E(B-V)=0.15. We find that the number density of simulated galaxies brighter than R<25.5 at z=2 is about 2e-2 h^3/Mpc^3, roughly one order of magnitude larger than that of Lyman break galaxies at z=3. The most massive galaxies at z=2 have ste","authors_text":"(2) Princeton, 3), (3) IoA Cambridge, (4) MPA), Jeremiah P. Ostriker (2, Kentaro Nagamine (1), Lars Hernquist (1), Renyue Cen (2), Volker Springel (4) ((1) Harvard-CfA","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-06-01T20:27:21Z","title":"Massive galaxies in cosmological simulations: UV-selected sample at redshift z=2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406032","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":"sha256:6c9b88d7163c713596157dd0d48a6517956c401e197c449c16ce89594b5102f4","target":"record","created_at":"2026-05-18T02:40:26Z","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":"095df92bb52ad47275c250758b24d9ee7dd92415312f704f47ccbe6d036acb09","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-01T20:27:21Z","title_canon_sha256":"cfcd4e9f74177f5a0d5edd4f9dad51d82fb088778fa51db5d5e7d075d44dab92"},"schema_version":"1.0","source":{"id":"astro-ph/0406032","kind":"arxiv","version":2}},"canonical_sha256":"8a0793b3ca8546b221acf05c1eddc36c8301850613daea0f96364cb9a07ca3b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a0793b3ca8546b221acf05c1eddc36c8301850613daea0f96364cb9a07ca3b4","first_computed_at":"2026-05-18T02:40:26.386299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:26.386299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"loj3d1fBgxT2/9EgaR/c/OLEepA0W2g/fipyWcyUhBIRKSPuU3z942oMXxK1b2/5dMUTzvJJGKqD/UD98VnKBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:26.386801Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0406032","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c9b88d7163c713596157dd0d48a6517956c401e197c449c16ce89594b5102f4","sha256:75ef367f66efeaca573aa6fa617c11e2a278f48a570b92da9cf06ba1b03dfe6b"],"state_sha256":"3be57f84792b4af8ccd75b38aac2a78d5889457ed245da4b0dd8da4a8c8946aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MLgWLriReluP40SmsWvMz9tq1+rmDwbFrBS3HvNa1EOhONixqw3jUBvFfcwywNcbwBO++n2U+UbRhefz/gm5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:10:59.201533Z","bundle_sha256":"5ba197be216f0de20498ea8d21e568d34f84ce8c136bcd320602f93c5b4606f9"}}