{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GQZ7H4BPLZEZXQSZFI5PKRUYY6","short_pith_number":"pith:GQZ7H4BP","canonical_record":{"source":{"id":"1108.0110","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-30T21:27:57Z","cross_cats_sorted":[],"title_canon_sha256":"d7002a713694ae00ef3faf7653c71ab3dba72f6eecead15f55e94ce90aef809f","abstract_canon_sha256":"da44dbeb7c71060dc37d9fded43f1cd5a55b81fc3d35a26b4ef399912e834de0"},"schema_version":"1.0"},"canonical_sha256":"3433f3f02f5e499bc2592a3af54698c788434b1cb2a0eeb148938ab538f48672","source":{"kind":"arxiv","id":"1108.0110","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0110","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0110v2","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0110","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"GQZ7H4BPLZEZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GQZ7H4BPLZEZXQSZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GQZ7H4BP","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GQZ7H4BPLZEZXQSZFI5PKRUYY6","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0110","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-30T21:27:57Z","cross_cats_sorted":[],"title_canon_sha256":"d7002a713694ae00ef3faf7653c71ab3dba72f6eecead15f55e94ce90aef809f","abstract_canon_sha256":"da44dbeb7c71060dc37d9fded43f1cd5a55b81fc3d35a26b4ef399912e834de0"},"schema_version":"1.0"},"canonical_sha256":"3433f3f02f5e499bc2592a3af54698c788434b1cb2a0eeb148938ab538f48672","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:05.292471Z","signature_b64":"g6R4eOffH62GYqsqnyVdaoxgNQCu+7VrqLMUA99/z4NMdigMYaUf1VGXRhqscDyi8ahHD/N2YmKj10aKS60VCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3433f3f02f5e499bc2592a3af54698c788434b1cb2a0eeb148938ab538f48672","last_reissued_at":"2026-05-18T02:01:05.291763Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:05.291763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0110","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":"2026-05-18T02:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AmbhEPL21gwcMjWh7LuWLftsf9UMbxQF/eezvUiSkYFcIe9Lt9T99eiY0H8f1jSG970Ud/4NYksb5aTPH02WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:50:09.033017Z"},"content_sha256":"41c6269462a46333534488418f303fd2a1dbc9ef5b031fad4aeb631439932a92","schema_version":"1.0","event_id":"sha256:41c6269462a46333534488418f303fd2a1dbc9ef5b031fad4aeb631439932a92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GQZ7H4BPLZEZXQSZFI5PKRUYY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-regulated growth of supermassive black holes by a dual jet/heating AGN feedback mechanism: methods, tests and implications for cosmological simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adrianne Slyz, Julien Devriendt, Romain Teyssier, Yohan Dubois","submitted_at":"2011-07-30T21:27:57Z","abstract_excerpt":"We develop a new sub-grid model for the growth of supermassive Black Holes (BHs) and their associated Active Galactic Nuclei (AGN) feedback in hydrodynamical cosmological simulations. Assuming that BHs are created in the early stages of galaxy formation, they grow by mergers and accretion of gas at a Eddington-limited Bondi accretion rate. However this growth is regulated by AGN feedback which we model using two different modes: a quasar-heating mode when accretion rates onto the BHs are comparable to the Eddington rate, and a radio-jet mode at lower accretion rates. In other words, our feedba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0110","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":"2026-05-18T02:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VWOuINMV+/wftC52BkfkEz+J04v+82AcoxJQ5fi7VWh6Es1nWeJfhiRtvF1Mcm5VueMm3kPolh1rmyzzvld/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:50:09.033378Z"},"content_sha256":"dd14411602ebfcd2a0fd7cc0c40a4569ef068072e197c0f8d739d61507d412cd","schema_version":"1.0","event_id":"sha256:dd14411602ebfcd2a0fd7cc0c40a4569ef068072e197c0f8d739d61507d412cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/bundle.json","state_url":"https://pith.science/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/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":"2026-06-05T08:50:09Z","links":{"resolver":"https://pith.science/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6","bundle":"https://pith.science/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/bundle.json","state":"https://pith.science/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQZ7H4BPLZEZXQSZFI5PKRUYY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GQZ7H4BPLZEZXQSZFI5PKRUYY6","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":"da44dbeb7c71060dc37d9fded43f1cd5a55b81fc3d35a26b4ef399912e834de0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-30T21:27:57Z","title_canon_sha256":"d7002a713694ae00ef3faf7653c71ab3dba72f6eecead15f55e94ce90aef809f"},"schema_version":"1.0","source":{"id":"1108.0110","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0110","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0110v2","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0110","created_at":"2026-05-18T02:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"GQZ7H4BPLZEZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GQZ7H4BPLZEZXQSZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GQZ7H4BP","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:dd14411602ebfcd2a0fd7cc0c40a4569ef068072e197c0f8d739d61507d412cd","target":"graph","created_at":"2026-05-18T02:01:05Z","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 develop a new sub-grid model for the growth of supermassive Black Holes (BHs) and their associated Active Galactic Nuclei (AGN) feedback in hydrodynamical cosmological simulations. Assuming that BHs are created in the early stages of galaxy formation, they grow by mergers and accretion of gas at a Eddington-limited Bondi accretion rate. However this growth is regulated by AGN feedback which we model using two different modes: a quasar-heating mode when accretion rates onto the BHs are comparable to the Eddington rate, and a radio-jet mode at lower accretion rates. In other words, our feedba","authors_text":"Adrianne Slyz, Julien Devriendt, Romain Teyssier, Yohan Dubois","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-30T21:27:57Z","title":"Self-regulated growth of supermassive black holes by a dual jet/heating AGN feedback mechanism: methods, tests and implications for cosmological simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0110","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":"sha256:41c6269462a46333534488418f303fd2a1dbc9ef5b031fad4aeb631439932a92","target":"record","created_at":"2026-05-18T02:01:05Z","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":"da44dbeb7c71060dc37d9fded43f1cd5a55b81fc3d35a26b4ef399912e834de0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-30T21:27:57Z","title_canon_sha256":"d7002a713694ae00ef3faf7653c71ab3dba72f6eecead15f55e94ce90aef809f"},"schema_version":"1.0","source":{"id":"1108.0110","kind":"arxiv","version":2}},"canonical_sha256":"3433f3f02f5e499bc2592a3af54698c788434b1cb2a0eeb148938ab538f48672","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3433f3f02f5e499bc2592a3af54698c788434b1cb2a0eeb148938ab538f48672","first_computed_at":"2026-05-18T02:01:05.291763Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:05.291763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g6R4eOffH62GYqsqnyVdaoxgNQCu+7VrqLMUA99/z4NMdigMYaUf1VGXRhqscDyi8ahHD/N2YmKj10aKS60VCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:05.292471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0110","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41c6269462a46333534488418f303fd2a1dbc9ef5b031fad4aeb631439932a92","sha256:dd14411602ebfcd2a0fd7cc0c40a4569ef068072e197c0f8d739d61507d412cd"],"state_sha256":"d2a0820debfa0481f730e1a6d693900f045e9c50a1527ed320d39128686f09e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jn7WkVq9wZOWuC9L1aHunufzwCfKm/GmeoQo/6pfvN9VJnezdPtK0qUhSOqlCt9l4shDCNctG6bf2EFiHFpoAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T08:50:09.035293Z","bundle_sha256":"d621cbac5a825b9602a2c6564ba6290e84624d987c84005924e9cfec8d447e66"}}