{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YQBJWX7FOOHIRAIYC72J66NFIW","short_pith_number":"pith:YQBJWX7F","canonical_record":{"source":{"id":"2101.10355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-25T19:04:44Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3651f4ed027b4d8adc91ff321c83cb35c7a58621d7cef4e9edcf19a9bf08c50f","abstract_canon_sha256":"c84e8fac7de5db1da53824fdcbcfff19492b80b448ee3ab3fca7f4b8ebbfd303"},"schema_version":"1.0"},"canonical_sha256":"c4029b5fe5738e88811817f49f79a545a3e30035dbd55152d7b2cd8ec02bc69f","source":{"kind":"arxiv","id":"2101.10355","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.10355","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"2101.10355v2","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.10355","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"YQBJWX7FOOHI","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_16","alias_value":"YQBJWX7FOOHIRAIY","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_8","alias_value":"YQBJWX7F","created_at":"2026-07-05T03:28:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YQBJWX7FOOHIRAIYC72J66NFIW","target":"record","payload":{"canonical_record":{"source":{"id":"2101.10355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-25T19:04:44Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3651f4ed027b4d8adc91ff321c83cb35c7a58621d7cef4e9edcf19a9bf08c50f","abstract_canon_sha256":"c84e8fac7de5db1da53824fdcbcfff19492b80b448ee3ab3fca7f4b8ebbfd303"},"schema_version":"1.0"},"canonical_sha256":"c4029b5fe5738e88811817f49f79a545a3e30035dbd55152d7b2cd8ec02bc69f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:28:12.881299Z","signature_b64":"ArQn+JAXB5OWf68o9lv3EHqvCfwO2ZHei/8cqLExyz/YZLXLg5RF9sN/wf8OQuN1WqEeWQxBxK997kYWdhCFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4029b5fe5738e88811817f49f79a545a3e30035dbd55152d7b2cd8ec02bc69f","last_reissued_at":"2026-07-05T03:28:12.880828Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:28:12.880828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.10355","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":"2026-07-05T03:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANCqpwpuJxoTskSMW5JHHd5nBDianrkX96RzqX41S0TDVOMtf/nanH0nMpGlzQRXMB1emW7t+XSlRDd/xplfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T14:30:57.845125Z"},"content_sha256":"fad51c3c6dc64b542efdf6f44a53fdeb4483ea6f0f7c092ebe2154f932b6c91d","schema_version":"1.0","event_id":"sha256:fad51c3c6dc64b542efdf6f44a53fdeb4483ea6f0f7c092ebe2154f932b6c91d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YQBJWX7FOOHIRAIYC72J66NFIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A local baseline of the black hole mass scaling relations for active galaxies. IV. Correlations between $M_{\\rm BH}$ and host galaxy $\\sigma$, stellar mass, and luminosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Andrew W. Stephens, Isak Stomberg, Matthew A. Malkan, Matthew W. Auger, Simon Birrer, Tomas Snyder, Tommaso Treu, Vardha N. Bennert, Xuheng Ding","submitted_at":"2021-01-25T19:04:44Z","abstract_excerpt":"The tight correlations between the mass of supermassive black holes ($M_{\\rm BH}$) and their host-galaxy properties have been of great interest to the astrophysical community, but a clear understanding of their origin and fundamental drivers still eludes us. The local relations for active galaxies are interesting in their own right and form the foundation for any evolutionary study over cosmic time. We present Hubble Space Telescope optical imaging of a sample of 66 local active galactic nuclei (AGNs); for 14 objects, we also obtained Gemini near-infrared images. We use state of the art method"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.10355","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.10355/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qb5Wdsat6kVCQ5T6uTff5CiLcKRrmAUz6uPJhpS8MFeAXZhGYbAC2SI6arZeD1sJIe0Jm16a5xD4pem72qJmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T14:30:57.846086Z"},"content_sha256":"0fc48d568b5286239331a4349c595c4ae224b03ff28e923f13b470d1ef413b2b","schema_version":"1.0","event_id":"sha256:0fc48d568b5286239331a4349c595c4ae224b03ff28e923f13b470d1ef413b2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQBJWX7FOOHIRAIYC72J66NFIW/bundle.json","state_url":"https://pith.science/pith/YQBJWX7FOOHIRAIYC72J66NFIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQBJWX7FOOHIRAIYC72J66NFIW/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":"2026-08-15T14:30:57Z","links":{"resolver":"https://pith.science/pith/YQBJWX7FOOHIRAIYC72J66NFIW","bundle":"https://pith.science/pith/YQBJWX7FOOHIRAIYC72J66NFIW/bundle.json","state":"https://pith.science/pith/YQBJWX7FOOHIRAIYC72J66NFIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQBJWX7FOOHIRAIYC72J66NFIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YQBJWX7FOOHIRAIYC72J66NFIW","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":"c84e8fac7de5db1da53824fdcbcfff19492b80b448ee3ab3fca7f4b8ebbfd303","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-25T19:04:44Z","title_canon_sha256":"3651f4ed027b4d8adc91ff321c83cb35c7a58621d7cef4e9edcf19a9bf08c50f"},"schema_version":"1.0","source":{"id":"2101.10355","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.10355","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"2101.10355v2","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.10355","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"YQBJWX7FOOHI","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_16","alias_value":"YQBJWX7FOOHIRAIY","created_at":"2026-07-05T03:28:12Z"},{"alias_kind":"pith_short_8","alias_value":"YQBJWX7F","created_at":"2026-07-05T03:28:12Z"}],"graph_snapshots":[{"event_id":"sha256:0fc48d568b5286239331a4349c595c4ae224b03ff28e923f13b470d1ef413b2b","target":"graph","created_at":"2026-07-05T03:28:12Z","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/2101.10355/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The tight correlations between the mass of supermassive black holes ($M_{\\rm BH}$) and their host-galaxy properties have been of great interest to the astrophysical community, but a clear understanding of their origin and fundamental drivers still eludes us. The local relations for active galaxies are interesting in their own right and form the foundation for any evolutionary study over cosmic time. We present Hubble Space Telescope optical imaging of a sample of 66 local active galactic nuclei (AGNs); for 14 objects, we also obtained Gemini near-infrared images. We use state of the art method","authors_text":"Andrew W. Stephens, Isak Stomberg, Matthew A. Malkan, Matthew W. Auger, Simon Birrer, Tomas Snyder, Tommaso Treu, Vardha N. Bennert, Xuheng Ding","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-25T19:04:44Z","title":"A local baseline of the black hole mass scaling relations for active galaxies. IV. Correlations between $M_{\\rm BH}$ and host galaxy $\\sigma$, stellar mass, and luminosity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.10355","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:fad51c3c6dc64b542efdf6f44a53fdeb4483ea6f0f7c092ebe2154f932b6c91d","target":"record","created_at":"2026-07-05T03:28:12Z","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":"c84e8fac7de5db1da53824fdcbcfff19492b80b448ee3ab3fca7f4b8ebbfd303","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-25T19:04:44Z","title_canon_sha256":"3651f4ed027b4d8adc91ff321c83cb35c7a58621d7cef4e9edcf19a9bf08c50f"},"schema_version":"1.0","source":{"id":"2101.10355","kind":"arxiv","version":2}},"canonical_sha256":"c4029b5fe5738e88811817f49f79a545a3e30035dbd55152d7b2cd8ec02bc69f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4029b5fe5738e88811817f49f79a545a3e30035dbd55152d7b2cd8ec02bc69f","first_computed_at":"2026-07-05T03:28:12.880828Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:28:12.880828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ArQn+JAXB5OWf68o9lv3EHqvCfwO2ZHei/8cqLExyz/YZLXLg5RF9sN/wf8OQuN1WqEeWQxBxK997kYWdhCFDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:28:12.881299Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.10355","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fad51c3c6dc64b542efdf6f44a53fdeb4483ea6f0f7c092ebe2154f932b6c91d","sha256:0fc48d568b5286239331a4349c595c4ae224b03ff28e923f13b470d1ef413b2b"],"state_sha256":"e15bdff256c0409cac51c4740bdde6210b391dddabefb64a44aa6f3d416c3e6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bPTTtRylJoqk59yOjPvh0TkQRl5Vyg5xj7BjsMVSq5Nk5bskHB4Q2SRxrKOTAnpCcwIdGk377YLQxEWBjcWtBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T14:30:57.852987Z","bundle_sha256":"73d492a2526de5714571aff64256e648634bb3f705801a1360d8626b1704ab98"}}