{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:U5SEF4DCTW6PWUKRSNLIPTID66","short_pith_number":"pith:U5SEF4DC","canonical_record":{"source":{"id":"1007.4060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-23T07:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"72ba6280f425c92093b2fd215189eadee2696850607f4bb2d5729d52257dde88","abstract_canon_sha256":"ec69cd8dc474c4b42ce6cc274f61977f1357e87c2b1df1048eab19c9f709c975"},"schema_version":"1.0"},"canonical_sha256":"a76442f0629dbcfb5151935687cd03f7aff279de9b0472feccfb8074431e35d6","source":{"kind":"arxiv","id":"1007.4060","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4060","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4060v1","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4060","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"U5SEF4DCTW6P","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U5SEF4DCTW6PWUKR","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U5SEF4DC","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:U5SEF4DCTW6PWUKRSNLIPTID66","target":"record","payload":{"canonical_record":{"source":{"id":"1007.4060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-23T07:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"72ba6280f425c92093b2fd215189eadee2696850607f4bb2d5729d52257dde88","abstract_canon_sha256":"ec69cd8dc474c4b42ce6cc274f61977f1357e87c2b1df1048eab19c9f709c975"},"schema_version":"1.0"},"canonical_sha256":"a76442f0629dbcfb5151935687cd03f7aff279de9b0472feccfb8074431e35d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:11.287483Z","signature_b64":"hMw8MqE9ya/wrpXOH2kH7kd4YRrSpxPg9ZnuyD23aLUWyMyDayHiKPXeQbYm5GwsHU3mOQyRmmhq+rjvDUllDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a76442f0629dbcfb5151935687cd03f7aff279de9b0472feccfb8074431e35d6","last_reissued_at":"2026-05-18T02:06:11.286875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:11.286875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.4060","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKDZiR0IXjqIT21spzB4d4iPrmv8ztchdl5jOgu7XoXaQ/jcY8zv2nR+ttH8D5GuFA2WV8M73KOWvnH3t+44Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:02:38.560091Z"},"content_sha256":"8d3ccb6090a570ca9345582246bb0fd3b1f0e4cf951fbf9ee67228e2f34d4c0e","schema_version":"1.0","event_id":"sha256:8d3ccb6090a570ca9345582246bb0fd3b1f0e4cf951fbf9ee67228e2f34d4c0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:U5SEF4DCTW6PWUKRSNLIPTID66","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accretion Disks in Active Galactic Nuclei: Gas Supply Driven by Star Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Hu, C.-S. Yan, H.-Q. Gao, J.-M. Wang, S. Zhang, Y.-R. Li","submitted_at":"2010-07-23T07:55:23Z","abstract_excerpt":"Self-gravitating accretion disks collapse to star-forming(SF) regions extending to the inner edge of the dusty torus in active galactic nuclei (AGNs). A full set of equations including feedback of star formation is given to describe the dynamics of the regions. We explore the role of supernovae explosion (SNexp), acting to excite turbulent viscosity, in the transportation of angular momentum in the regions within 1pc scale. We find that accretion disks with typical rates in AGNs can be driven by SNexp in the regions and metals are produced spontaneously. The present model predicts a metallicit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4060","kind":"arxiv","version":1},"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":"2026-05-18T02:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6SOvNHJxn75BOlYLNOQf0/U9EXLqh27dWqHnAazHldFrEhXjtBGR5stIQEk6rzVgmj5yOuIzEMYnjhQlbvJ9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:02:38.560454Z"},"content_sha256":"264b0ed78ade28a1e3d16c497685df5012986af2f4ade80a6ae8925a6c5d25d8","schema_version":"1.0","event_id":"sha256:264b0ed78ade28a1e3d16c497685df5012986af2f4ade80a6ae8925a6c5d25d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5SEF4DCTW6PWUKRSNLIPTID66/bundle.json","state_url":"https://pith.science/pith/U5SEF4DCTW6PWUKRSNLIPTID66/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5SEF4DCTW6PWUKRSNLIPTID66/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":"2026-06-23T21:02:38Z","links":{"resolver":"https://pith.science/pith/U5SEF4DCTW6PWUKRSNLIPTID66","bundle":"https://pith.science/pith/U5SEF4DCTW6PWUKRSNLIPTID66/bundle.json","state":"https://pith.science/pith/U5SEF4DCTW6PWUKRSNLIPTID66/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5SEF4DCTW6PWUKRSNLIPTID66/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:U5SEF4DCTW6PWUKRSNLIPTID66","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":"ec69cd8dc474c4b42ce6cc274f61977f1357e87c2b1df1048eab19c9f709c975","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-23T07:55:23Z","title_canon_sha256":"72ba6280f425c92093b2fd215189eadee2696850607f4bb2d5729d52257dde88"},"schema_version":"1.0","source":{"id":"1007.4060","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4060","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4060v1","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4060","created_at":"2026-05-18T02:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"U5SEF4DCTW6P","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U5SEF4DCTW6PWUKR","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U5SEF4DC","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:264b0ed78ade28a1e3d16c497685df5012986af2f4ade80a6ae8925a6c5d25d8","target":"graph","created_at":"2026-05-18T02:06:11Z","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":"Self-gravitating accretion disks collapse to star-forming(SF) regions extending to the inner edge of the dusty torus in active galactic nuclei (AGNs). A full set of equations including feedback of star formation is given to describe the dynamics of the regions. We explore the role of supernovae explosion (SNexp), acting to excite turbulent viscosity, in the transportation of angular momentum in the regions within 1pc scale. We find that accretion disks with typical rates in AGNs can be driven by SNexp in the regions and metals are produced spontaneously. The present model predicts a metallicit","authors_text":"C. Hu, C.-S. Yan, H.-Q. Gao, J.-M. Wang, S. Zhang, Y.-R. Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-23T07:55:23Z","title":"Accretion Disks in Active Galactic Nuclei: Gas Supply Driven by Star Formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4060","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":"sha256:8d3ccb6090a570ca9345582246bb0fd3b1f0e4cf951fbf9ee67228e2f34d4c0e","target":"record","created_at":"2026-05-18T02:06:11Z","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":"ec69cd8dc474c4b42ce6cc274f61977f1357e87c2b1df1048eab19c9f709c975","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-23T07:55:23Z","title_canon_sha256":"72ba6280f425c92093b2fd215189eadee2696850607f4bb2d5729d52257dde88"},"schema_version":"1.0","source":{"id":"1007.4060","kind":"arxiv","version":1}},"canonical_sha256":"a76442f0629dbcfb5151935687cd03f7aff279de9b0472feccfb8074431e35d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a76442f0629dbcfb5151935687cd03f7aff279de9b0472feccfb8074431e35d6","first_computed_at":"2026-05-18T02:06:11.286875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:11.286875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hMw8MqE9ya/wrpXOH2kH7kd4YRrSpxPg9ZnuyD23aLUWyMyDayHiKPXeQbYm5GwsHU3mOQyRmmhq+rjvDUllDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:11.287483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.4060","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d3ccb6090a570ca9345582246bb0fd3b1f0e4cf951fbf9ee67228e2f34d4c0e","sha256:264b0ed78ade28a1e3d16c497685df5012986af2f4ade80a6ae8925a6c5d25d8"],"state_sha256":"50ac323d039f227cd84e8bb1dace4f4e6db5283b21ac81feb795041657ea07e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0vw/IwjtIEwgWsuyHkqhKaty04KpOMwinvG5Lr+SGI2OJmdGm5tF2+9kaD2RiOwesB0hB4u9CCKSZ8KYhsfKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T21:02:38.562369Z","bundle_sha256":"4610d2eeb504b32dec6cfdb6a90ee26ccb45083b1af75a9e0b767a1b35124dba"}}