{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:AJHKEPHKYPG5Z5MLY6V4HNQOAC","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":"82b57e7a37928c82821df4fbc2de049bc60e0f8f8c6eb9f5bf271bc22e5f51f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-09T12:31:40Z","title_canon_sha256":"2a18bafa9eb67cfb8272791a2aedfd8203fa06854bfd385cb4a818ddbeb6cc85"},"schema_version":"1.0","source":{"id":"0808.1349","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.1349","created_at":"2026-05-18T01:18:34Z"},{"alias_kind":"arxiv_version","alias_value":"0808.1349v1","created_at":"2026-05-18T01:18:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.1349","created_at":"2026-05-18T01:18:34Z"},{"alias_kind":"pith_short_12","alias_value":"AJHKEPHKYPG5","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"AJHKEPHKYPG5Z5ML","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"AJHKEPHK","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:36c97a197acd66d92b6fecce2ee3c8d7c58b7b50e347f63de8a26565593a6ff6","target":"graph","created_at":"2026-05-18T01:18:34Z","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":"After the discovery that supermassive black holes (SMBHs) are ubiquitous at the center of stellar spheroids and that their mass Mbh, in the range 10^6-10^9 Msun, is tightly related to global properties of the host stellar system, the idea of the co-evolution of elliptical galaxies and of their SMBHs has become a central topic of modern astrophysics. Here, I summarize some consequences that can be derived from the galaxy Scaling Laws (SLs) and present a coherent scenario for the formation and evolution of elliptical galaxies and their central SMBHs, focusing in particular on the establishment a","authors_text":"Italy), L. Ciotti (Dept. of Astronomy, University of Bologna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-09T12:31:40Z","title":"Co-evolution of elliptical galaxies and their central black holes. Clues from their scaling laws"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.1349","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:b406ab7c02831706647d345794211f0a526ecb1c971e1812a9ccbcf4b2cffcd5","target":"record","created_at":"2026-05-18T01:18:34Z","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":"82b57e7a37928c82821df4fbc2de049bc60e0f8f8c6eb9f5bf271bc22e5f51f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-09T12:31:40Z","title_canon_sha256":"2a18bafa9eb67cfb8272791a2aedfd8203fa06854bfd385cb4a818ddbeb6cc85"},"schema_version":"1.0","source":{"id":"0808.1349","kind":"arxiv","version":1}},"canonical_sha256":"024ea23ceac3cddcf58bc7abc3b60e0085573d8a022e500407ceded93fc4a485","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"024ea23ceac3cddcf58bc7abc3b60e0085573d8a022e500407ceded93fc4a485","first_computed_at":"2026-05-18T01:18:34.259051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:34.259051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ku5GVWVB0IBsLkJPVgcotu++93r67Ft5rxi/1O+T/3ghRPoJcmdC1bt4gVivcnM+DGhyjrkdNiZNHm1MyStcDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:34.259534Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.1349","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b406ab7c02831706647d345794211f0a526ecb1c971e1812a9ccbcf4b2cffcd5","sha256:36c97a197acd66d92b6fecce2ee3c8d7c58b7b50e347f63de8a26565593a6ff6"],"state_sha256":"e0c150c70cbe44b37e5ed5f32c7c225f1a1fc126d5189e10e13f4a05c1839a27"}