{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:3DQUCYSGGF3ASNNKL5AGORWJTU","short_pith_number":"pith:3DQUCYSG","canonical_record":{"source":{"id":"1006.5717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-29T20:06:09Z","cross_cats_sorted":[],"title_canon_sha256":"2a09c2fc0202f4f264d51b8ce6fb79abba0453227529581e1914b81302ed5fbc","abstract_canon_sha256":"40b3d24bf6f28c90bdbd3a4913b3de569abf2ea3f0df52ed6428873ae55572e3"},"schema_version":"1.0"},"canonical_sha256":"d8e141624631760935aa5f406746c99d3c58cca66f7ed8d477eb2c2c0eed49d6","source":{"kind":"arxiv","id":"1006.5717","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5717","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5717v2","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5717","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"3DQUCYSGGF3A","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DQUCYSGGF3ASNNK","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DQUCYSG","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:3DQUCYSGGF3ASNNKL5AGORWJTU","target":"record","payload":{"canonical_record":{"source":{"id":"1006.5717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-29T20:06:09Z","cross_cats_sorted":[],"title_canon_sha256":"2a09c2fc0202f4f264d51b8ce6fb79abba0453227529581e1914b81302ed5fbc","abstract_canon_sha256":"40b3d24bf6f28c90bdbd3a4913b3de569abf2ea3f0df52ed6428873ae55572e3"},"schema_version":"1.0"},"canonical_sha256":"d8e141624631760935aa5f406746c99d3c58cca66f7ed8d477eb2c2c0eed49d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:34.254597Z","signature_b64":"q4NnXhVvFBkbvTzDdpbKAyV/EihucZDkR5AYsG0nCph3xwDPO1qwKSly53AcBf0Z3hNSwZOJQWe5eftYejy/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8e141624631760935aa5f406746c99d3c58cca66f7ed8d477eb2c2c0eed49d6","last_reissued_at":"2026-05-18T02:06:34.253957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:34.253957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.5717","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":"2026-05-18T02:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"whsc3/FI4jeMrTYoWGvRCLi39fBJh/lQ2IG4nX8Mrrgkdn1pF6uZMs+J4x8bPLB3MC2I+3ilQEWCMr4Gx7x9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:01:40.244401Z"},"content_sha256":"d71286dd913d35a37bc1e551e5946d251749d2f5cdf559e115fe4385d2022dec","schema_version":"1.0","event_id":"sha256:d71286dd913d35a37bc1e551e5946d251749d2f5cdf559e115fe4385d2022dec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:3DQUCYSGGF3ASNNKL5AGORWJTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dependence of AGN activity on stellar and halo mass in Semi-Analytic Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2) ((1) INAF-Osservatorio Astronomico di Trieste, (2) Max-Planck-Institute fuer Astronomie, (3) Department of Physics & Astronomy, 5), (6) Purple Mountain Observatory, Anna Pasquali (2), Astronomy, Baltimore, Baltimore (5) Department of Physics, Chinese Academy of Sciences), Fabio Fontanot (1), Frank C. van den Bosch (3), Gabriella De Lucia (1), Heidelberg, Johns Hopkins University, Rachel S. Somerville (4, University of Utah (4) Space Telescope Science Institute, Xi Kang (6","submitted_at":"2010-06-29T20:06:09Z","abstract_excerpt":"AGN feedback is believed to play an important role in shaping a variety of observed galaxy properties, as well as the evolution of their stellar masses and star formation rates. In particular, in the current theoretical paradigm of galaxy formation, AGN feedback is believed to play a crucial role in regulating the levels of activity in galaxies, in relatively massive halos at low redshift. Only in recent years, however, has detailed statistical information on the dependence of galaxy activity on stellar mass, parent halo mass and hierarchy has become available. In this paper, we compare the fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5717","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":"2026-05-18T02:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZcxng+mfvGL19Kc5Ceys5g5HngCxMmZnRCDDwI+qNJ2zBUQTxoWhd7yy19G72UQB4W0XpOYEEXfx/xs9GFwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:01:40.244953Z"},"content_sha256":"20f3f2e62c8ac69ad82f77655d1329d2553f10a08e3e8fe5e6612acefa907a3d","schema_version":"1.0","event_id":"sha256:20f3f2e62c8ac69ad82f77655d1329d2553f10a08e3e8fe5e6612acefa907a3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/bundle.json","state_url":"https://pith.science/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/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":"2026-05-28T23:01:40Z","links":{"resolver":"https://pith.science/pith/3DQUCYSGGF3ASNNKL5AGORWJTU","bundle":"https://pith.science/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/bundle.json","state":"https://pith.science/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DQUCYSGGF3ASNNKL5AGORWJTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:3DQUCYSGGF3ASNNKL5AGORWJTU","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":"40b3d24bf6f28c90bdbd3a4913b3de569abf2ea3f0df52ed6428873ae55572e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-29T20:06:09Z","title_canon_sha256":"2a09c2fc0202f4f264d51b8ce6fb79abba0453227529581e1914b81302ed5fbc"},"schema_version":"1.0","source":{"id":"1006.5717","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5717","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5717v2","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5717","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"3DQUCYSGGF3A","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DQUCYSGGF3ASNNK","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DQUCYSG","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:20f3f2e62c8ac69ad82f77655d1329d2553f10a08e3e8fe5e6612acefa907a3d","target":"graph","created_at":"2026-05-18T02:06:34Z","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":"AGN feedback is believed to play an important role in shaping a variety of observed galaxy properties, as well as the evolution of their stellar masses and star formation rates. In particular, in the current theoretical paradigm of galaxy formation, AGN feedback is believed to play a crucial role in regulating the levels of activity in galaxies, in relatively massive halos at low redshift. Only in recent years, however, has detailed statistical information on the dependence of galaxy activity on stellar mass, parent halo mass and hierarchy has become available. In this paper, we compare the fr","authors_text":"2) ((1) INAF-Osservatorio Astronomico di Trieste, (2) Max-Planck-Institute fuer Astronomie, (3) Department of Physics & Astronomy, 5), (6) Purple Mountain Observatory, Anna Pasquali (2), Astronomy, Baltimore, Baltimore (5) Department of Physics, Chinese Academy of Sciences), Fabio Fontanot (1), Frank C. van den Bosch (3), Gabriella De Lucia (1), Heidelberg, Johns Hopkins University, Rachel S. Somerville (4, University of Utah (4) Space Telescope Science Institute, Xi Kang (6","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-29T20:06:09Z","title":"The dependence of AGN activity on stellar and halo mass in Semi-Analytic Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5717","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:d71286dd913d35a37bc1e551e5946d251749d2f5cdf559e115fe4385d2022dec","target":"record","created_at":"2026-05-18T02:06:34Z","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":"40b3d24bf6f28c90bdbd3a4913b3de569abf2ea3f0df52ed6428873ae55572e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-29T20:06:09Z","title_canon_sha256":"2a09c2fc0202f4f264d51b8ce6fb79abba0453227529581e1914b81302ed5fbc"},"schema_version":"1.0","source":{"id":"1006.5717","kind":"arxiv","version":2}},"canonical_sha256":"d8e141624631760935aa5f406746c99d3c58cca66f7ed8d477eb2c2c0eed49d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8e141624631760935aa5f406746c99d3c58cca66f7ed8d477eb2c2c0eed49d6","first_computed_at":"2026-05-18T02:06:34.253957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:34.253957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q4NnXhVvFBkbvTzDdpbKAyV/EihucZDkR5AYsG0nCph3xwDPO1qwKSly53AcBf0Z3hNSwZOJQWe5eftYejy/DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:34.254597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.5717","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d71286dd913d35a37bc1e551e5946d251749d2f5cdf559e115fe4385d2022dec","sha256:20f3f2e62c8ac69ad82f77655d1329d2553f10a08e3e8fe5e6612acefa907a3d"],"state_sha256":"2a9bd2b397cf996ace7fa9e52061b736261fde51dd0c4788910974be27ce32ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QwEvh2cs/MgTArqUSBZ5QpYANBLZku4SudmYLdP81PdT7iU6abCufN6Ym3ehj3/LXXKAW5isw3giVSc1UqBOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:01:40.249054Z","bundle_sha256":"034bcb17ae02534a7f13fb83675c2fe85219e2c4aa4c43f4b05b840e596e0e45"}}