{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:5TTUMD2NKUF4A53CCN6NG7RMKB","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":"cb6c3b243657535a9c6f2cc217d860f8e558b2a2276a319670b2543dd827b3b2","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-05T21:11:14Z","title_canon_sha256":"7f38a6bac752e6f28ff2c4632edb2ec2b14726e672bdf2f003d0360d3cdb5a58"},"schema_version":"1.0","source":{"id":"astro-ph/0411156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411156","created_at":"2026-07-04T16:45:07Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411156v1","created_at":"2026-07-04T16:45:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411156","created_at":"2026-07-04T16:45:07Z"},{"alias_kind":"pith_short_12","alias_value":"5TTUMD2NKUF4","created_at":"2026-07-04T16:45:07Z"},{"alias_kind":"pith_short_16","alias_value":"5TTUMD2NKUF4A53C","created_at":"2026-07-04T16:45:07Z"},{"alias_kind":"pith_short_8","alias_value":"5TTUMD2N","created_at":"2026-07-04T16:45:07Z"}],"graph_snapshots":[{"event_id":"sha256:3f7436faed7c42972ff1e7a24ba0cf1bdc585216d9182a9d678afa53f23c59c5","target":"graph","created_at":"2026-07-04T16:45:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0411156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"If supermassive black holes (SMBHs) are the energy sources that power quasars and active galactic nuclei, then QSO SDSS 1148+5251, the quasar with the highest redshift (z_QSO=6.43), hosts a supermassive black hole formed within 0.9 Gyr after the Big Bang. This requirement places constraints on the cosmological formation of SMBHs, believed to grow from smaller initial seeds by a combination of accretion and mergers. We focus on gas accretion onto seeds produced by the collapse of Pop III stars at high redshift. We incorporate the results of recent relativistic, MHD simulations of disk accretion","authors_text":"Stuart L. Shapiro","cross_cats":["gr-qc"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-11-05T21:11:14Z","title":"Spin, Accretion and the Cosmological Growth of Supermassive Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411156","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":"sha256:2a01306b4db9e9adf69065f99bd7350c5d9d413c974e54ba0b9ec88e93115328","target":"record","created_at":"2026-07-04T16:45:07Z","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":"cb6c3b243657535a9c6f2cc217d860f8e558b2a2276a319670b2543dd827b3b2","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-05T21:11:14Z","title_canon_sha256":"7f38a6bac752e6f28ff2c4632edb2ec2b14726e672bdf2f003d0360d3cdb5a58"},"schema_version":"1.0","source":{"id":"astro-ph/0411156","kind":"arxiv","version":1}},"canonical_sha256":"ece7460f4d550bc07762137cd37e2c505fae5d4db31a063e196441cb946269b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ece7460f4d550bc07762137cd37e2c505fae5d4db31a063e196441cb946269b1","first_computed_at":"2026-07-04T16:45:07.846360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:07.846360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q5N6gFcd7DTYoOgyQnGxIEUYLC0Pb4yRHPGHx1PGEuV+r6BpnJh5Hx8sh0CZ8PkfUUv0sonFJ/LM/bRWITKhDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:07.846764Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0411156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a01306b4db9e9adf69065f99bd7350c5d9d413c974e54ba0b9ec88e93115328","sha256:3f7436faed7c42972ff1e7a24ba0cf1bdc585216d9182a9d678afa53f23c59c5"],"state_sha256":"d227a179d33a0d36bb591a8f89b5f7c2db9146975540b1729d172fb65b1f3c74"}