{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5X3NUNW5UBPUSHNCHEQ5OACVGQ","short_pith_number":"pith:5X3NUNW5","canonical_record":{"source":{"id":"1002.1488","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-07T21:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"5f39d59fe02a437461b696d4c1c76692bf1b229556833e93b7c9573a891e67a1","abstract_canon_sha256":"47927af8406ff2fb63ce932553123ef89d88c13cd78de10e64559d7d92326f57"},"schema_version":"1.0"},"canonical_sha256":"edf6da36dda05f491da23921d7005534275d84421c872c16d901a085adbe75a9","source":{"kind":"arxiv","id":"1002.1488","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.1488","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"arxiv_version","alias_value":"1002.1488v1","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1488","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"pith_short_12","alias_value":"5X3NUNW5UBPU","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5X3NUNW5UBPUSHNC","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5X3NUNW5","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5X3NUNW5UBPUSHNCHEQ5OACVGQ","target":"record","payload":{"canonical_record":{"source":{"id":"1002.1488","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-07T21:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"5f39d59fe02a437461b696d4c1c76692bf1b229556833e93b7c9573a891e67a1","abstract_canon_sha256":"47927af8406ff2fb63ce932553123ef89d88c13cd78de10e64559d7d92326f57"},"schema_version":"1.0"},"canonical_sha256":"edf6da36dda05f491da23921d7005534275d84421c872c16d901a085adbe75a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:18.508134Z","signature_b64":"FHThRBhZL7E3ZG9yYZiVZYRX0SYlBvm/TZ+5N2Yov1tA8pqUwZXKQHdDviv2CF9cMyvzRkjk0gGZ90Dr1xVmAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edf6da36dda05f491da23921d7005534275d84421c872c16d901a085adbe75a9","last_reissued_at":"2026-05-18T02:09:18.506668Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:18.506668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1002.1488","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":"2026-05-18T02:09:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fp+H+HS9vI1PlhazuBZeoj0K4TipeukdibCLnFqnsBH7yrkEYV/E2DPCXl++ldGh/VdLvfbKCc/zlNP/jamnBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:18:45.760153Z"},"content_sha256":"38f02a22b76874e11f403483dde7686230b46e4ad3ca1d337d4496ceeb8d1c8c","schema_version":"1.0","event_id":"sha256:38f02a22b76874e11f403483dde7686230b46e4ad3ca1d337d4496ceeb8d1c8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5X3NUNW5UBPUSHNCHEQ5OACVGQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black hole growth and host galaxy morphology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carolin N. Cardamone, Chris J. Lintott, C. Megan Urry, Ezequiel Treister, Karen L. Masters, Kevin Schawinski, Marc Sarzi, Nicholas P. Ross, Paolo Coppi, Shanil Virani, Steven P. Bamford, Sugata Kaviraj, the Galaxy Zoo team, William C. Keel","submitted_at":"2010-02-07T21:17:09Z","abstract_excerpt":"We use data from large surveys of the local Universe (SDSS+Galaxy Zoo) to show that the galaxy-black hole connection is linked to host morphology at a fundamental level. The fraction of early-type galaxies with actively growing black holes, and therefore the AGN duty cycle, declines significantly with increasing black hole mass. Late-type galaxies exhibit the opposite trend: the fraction of actively growing black holes increases with black hole mass."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1488","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":"2026-05-18T02:09:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVSknKWHOGYjEDp5o8/ffXNikFi20T0kFWg9pCK4fuTXRU9mi2iofEE9L23LMTUBOY8piSSJtKFBKQ+5ZXViAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:18:45.760512Z"},"content_sha256":"a099f728452269898cc11636ffd2397eb34e6470bfc05b7238ee1f8068ed053d","schema_version":"1.0","event_id":"sha256:a099f728452269898cc11636ffd2397eb34e6470bfc05b7238ee1f8068ed053d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/bundle.json","state_url":"https://pith.science/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/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":"2026-08-05T17:18:45Z","links":{"resolver":"https://pith.science/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ","bundle":"https://pith.science/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/bundle.json","state":"https://pith.science/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5X3NUNW5UBPUSHNCHEQ5OACVGQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5X3NUNW5UBPUSHNCHEQ5OACVGQ","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":"47927af8406ff2fb63ce932553123ef89d88c13cd78de10e64559d7d92326f57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-07T21:17:09Z","title_canon_sha256":"5f39d59fe02a437461b696d4c1c76692bf1b229556833e93b7c9573a891e67a1"},"schema_version":"1.0","source":{"id":"1002.1488","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.1488","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"arxiv_version","alias_value":"1002.1488v1","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1488","created_at":"2026-05-18T02:09:18Z"},{"alias_kind":"pith_short_12","alias_value":"5X3NUNW5UBPU","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5X3NUNW5UBPUSHNC","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5X3NUNW5","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:a099f728452269898cc11636ffd2397eb34e6470bfc05b7238ee1f8068ed053d","target":"graph","created_at":"2026-05-18T02:09:18Z","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 use data from large surveys of the local Universe (SDSS+Galaxy Zoo) to show that the galaxy-black hole connection is linked to host morphology at a fundamental level. The fraction of early-type galaxies with actively growing black holes, and therefore the AGN duty cycle, declines significantly with increasing black hole mass. Late-type galaxies exhibit the opposite trend: the fraction of actively growing black holes increases with black hole mass.","authors_text":"Carolin N. Cardamone, Chris J. Lintott, C. Megan Urry, Ezequiel Treister, Karen L. Masters, Kevin Schawinski, Marc Sarzi, Nicholas P. Ross, Paolo Coppi, Shanil Virani, Steven P. Bamford, Sugata Kaviraj, the Galaxy Zoo team, William C. Keel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-07T21:17:09Z","title":"Black hole growth and host galaxy morphology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1488","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":"sha256:38f02a22b76874e11f403483dde7686230b46e4ad3ca1d337d4496ceeb8d1c8c","target":"record","created_at":"2026-05-18T02:09:18Z","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":"47927af8406ff2fb63ce932553123ef89d88c13cd78de10e64559d7d92326f57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-07T21:17:09Z","title_canon_sha256":"5f39d59fe02a437461b696d4c1c76692bf1b229556833e93b7c9573a891e67a1"},"schema_version":"1.0","source":{"id":"1002.1488","kind":"arxiv","version":1}},"canonical_sha256":"edf6da36dda05f491da23921d7005534275d84421c872c16d901a085adbe75a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edf6da36dda05f491da23921d7005534275d84421c872c16d901a085adbe75a9","first_computed_at":"2026-05-18T02:09:18.506668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:18.506668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FHThRBhZL7E3ZG9yYZiVZYRX0SYlBvm/TZ+5N2Yov1tA8pqUwZXKQHdDviv2CF9cMyvzRkjk0gGZ90Dr1xVmAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:18.508134Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.1488","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38f02a22b76874e11f403483dde7686230b46e4ad3ca1d337d4496ceeb8d1c8c","sha256:a099f728452269898cc11636ffd2397eb34e6470bfc05b7238ee1f8068ed053d"],"state_sha256":"16999c1d372d0d7db66812a5d6038840e42d3335157b21bcf04d33794b512577"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnu8N0OAZUpX+Yd6cQp+oHuwW0MzLIjl2QI3JQy49N+Tbv0cZ00KpHraXGi7Fnt/j+suqI03WQIuK0T/dxaHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:18:45.764212Z","bundle_sha256":"778e72e9b5d61771a20977d280949c35fb4be3192c9bc794dc8313401dbad927"}}