{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:B7ZD5JLRQP7YWCCZ7TKTRIGOH4","short_pith_number":"pith:B7ZD5JLR","canonical_record":{"source":{"id":"astro-ph/0603819","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-30T13:09:33Z","cross_cats_sorted":[],"title_canon_sha256":"000b9c5b85360668dd2c8bf45b9f9ebf20f413a2237e6e64555a88fc8f975b5b","abstract_canon_sha256":"321c56c5e59fdbfaa5b3ff00bbed2921f69a905a3e6927f163d6afa353f39ce4"},"schema_version":"1.0"},"canonical_sha256":"0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258","source":{"kind":"arxiv","id":"astro-ph/0603819","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603819","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603819v2","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603819","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"pith_short_12","alias_value":"B7ZD5JLRQP7Y","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"B7ZD5JLRQP7YWCCZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"B7ZD5JLR","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:B7ZD5JLRQP7YWCCZ7TKTRIGOH4","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0603819","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-30T13:09:33Z","cross_cats_sorted":[],"title_canon_sha256":"000b9c5b85360668dd2c8bf45b9f9ebf20f413a2237e6e64555a88fc8f975b5b","abstract_canon_sha256":"321c56c5e59fdbfaa5b3ff00bbed2921f69a905a3e6927f163d6afa353f39ce4"},"schema_version":"1.0"},"canonical_sha256":"0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:21.519821Z","signature_b64":"NhA9cWJfL2MF4azTCDKEKimDaX5bboU5DANnSf1AubLA65sd72Q4XhqMUQDEjqcyFZIXXzGT3GmqdZYu4Q/kCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258","last_reissued_at":"2026-05-18T04:36:21.519249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:21.519249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0603819","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":"2026-05-18T04:36:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yrzZyE+woDO1l+NRywYmADoNBAzaNdDfQkAYC2CFwgeQmZro8Ty8YV6bAEvNZQSu4W0nfhSFQZVNJOYgEW6FCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:28:55.040910Z"},"content_sha256":"cd0f0ae4e8ca4ace6edbeb9ac8db269a26d63c88c570d249effaf6babb7a6565","schema_version":"1.0","event_id":"sha256:cd0f0ae4e8ca4ace6edbeb9ac8db269a26d63c88c570d249effaf6babb7a6565"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:B7ZD5JLRQP7YWCCZ7TKTRIGOH4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasar Luminosity Functions from Joint Evolution of Black Holes and Host Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"1), 2) (1-SISSA/ISAS Trieste, A. Lapi (1), Columbus, F. Shankar (3), G. de Zotti (2, G.L. Granato (2, Italy), Italy; 2-INAF, Italy; 3-Ohio State Univ., J. Mao (1), L. Danese (1, L. Silva (4), Oss. Astron. Padova, Oss. Astron. Trieste, USA; 4-INAF","submitted_at":"2006-03-30T13:09:33Z","abstract_excerpt":"We show that our previously proposed anti-hierarchical baryon collapse scenario for the joint evolution of black holes and host galaxies predicts quasar luminosity functions at redshifts 1.5<z<6 and local properties in nice agreement with observations. In our model the quasar activity marks and originates the transition between an earlier phase of violent and heavily dust-enshrouded starburst activity promoting rapid black hole growth, and a later phase of almost passive evolution; the former is traced by the submillimeter-selected sources, while the latter accounts for the high number density"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603819","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":"2026-05-18T04:36:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qH/NpFx/qAY9b/KxBPtKOxqU0wmp43vSOlf4fp/f1v8J13syJiWClgG3tY4NgYtqTovmlrqy6ZJfyPb92wU0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:28:55.041620Z"},"content_sha256":"625a2972a2a5cf4723d9a65a21538c69ca55be99b452edb6a996c1def8348018","schema_version":"1.0","event_id":"sha256:625a2972a2a5cf4723d9a65a21538c69ca55be99b452edb6a996c1def8348018"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/bundle.json","state_url":"https://pith.science/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/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":"2026-05-27T15:28:55Z","links":{"resolver":"https://pith.science/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4","bundle":"https://pith.science/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/bundle.json","state":"https://pith.science/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7ZD5JLRQP7YWCCZ7TKTRIGOH4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:B7ZD5JLRQP7YWCCZ7TKTRIGOH4","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":"321c56c5e59fdbfaa5b3ff00bbed2921f69a905a3e6927f163d6afa353f39ce4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-30T13:09:33Z","title_canon_sha256":"000b9c5b85360668dd2c8bf45b9f9ebf20f413a2237e6e64555a88fc8f975b5b"},"schema_version":"1.0","source":{"id":"astro-ph/0603819","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603819","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603819v2","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603819","created_at":"2026-05-18T04:36:21Z"},{"alias_kind":"pith_short_12","alias_value":"B7ZD5JLRQP7Y","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"B7ZD5JLRQP7YWCCZ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"B7ZD5JLR","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:625a2972a2a5cf4723d9a65a21538c69ca55be99b452edb6a996c1def8348018","target":"graph","created_at":"2026-05-18T04:36:21Z","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 show that our previously proposed anti-hierarchical baryon collapse scenario for the joint evolution of black holes and host galaxies predicts quasar luminosity functions at redshifts 1.5<z<6 and local properties in nice agreement with observations. In our model the quasar activity marks and originates the transition between an earlier phase of violent and heavily dust-enshrouded starburst activity promoting rapid black hole growth, and a later phase of almost passive evolution; the former is traced by the submillimeter-selected sources, while the latter accounts for the high number density","authors_text":"1), 2) (1-SISSA/ISAS Trieste, A. Lapi (1), Columbus, F. Shankar (3), G. de Zotti (2, G.L. Granato (2, Italy), Italy; 2-INAF, Italy; 3-Ohio State Univ., J. Mao (1), L. Danese (1, L. Silva (4), Oss. Astron. Padova, Oss. Astron. Trieste, USA; 4-INAF","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-30T13:09:33Z","title":"Quasar Luminosity Functions from Joint Evolution of Black Holes and Host Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603819","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:cd0f0ae4e8ca4ace6edbeb9ac8db269a26d63c88c570d249effaf6babb7a6565","target":"record","created_at":"2026-05-18T04:36:21Z","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":"321c56c5e59fdbfaa5b3ff00bbed2921f69a905a3e6927f163d6afa353f39ce4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-30T13:09:33Z","title_canon_sha256":"000b9c5b85360668dd2c8bf45b9f9ebf20f413a2237e6e64555a88fc8f975b5b"},"schema_version":"1.0","source":{"id":"astro-ph/0603819","kind":"arxiv","version":2}},"canonical_sha256":"0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ff23ea57183ff8b0859fcd538a0ce3f306f4084131825a2fde7a03d6c662258","first_computed_at":"2026-05-18T04:36:21.519249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:21.519249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NhA9cWJfL2MF4azTCDKEKimDaX5bboU5DANnSf1AubLA65sd72Q4XhqMUQDEjqcyFZIXXzGT3GmqdZYu4Q/kCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:21.519821Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603819","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd0f0ae4e8ca4ace6edbeb9ac8db269a26d63c88c570d249effaf6babb7a6565","sha256:625a2972a2a5cf4723d9a65a21538c69ca55be99b452edb6a996c1def8348018"],"state_sha256":"b2c789407d7897018cb47d24acaf387aaa119bb4789ef8d0e8203a6cceef84bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kvlNuYrrJ/4IsCCdZBcrcDpSwZInKD7LlhO+5UtA87EyZH5TUukEVQwgo0lfwJcpY7t/3f/HEX7dyJ0eYoedBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:28:55.045323Z","bundle_sha256":"7e39d8213056c7ad173f7ca9c4ce9b94b21c92eea2fb1b4e74d4a186f4fcf97f"}}