{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ZCTWTVZFTM6UNFRDKA3Q336BI6","short_pith_number":"pith:ZCTWTVZF","canonical_record":{"source":{"id":"1609.05899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-19T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"db85d72c1565cda3f294a9b2e77cc9cb2113ebd1eb2aa3e9a520e7f1be1fe73c","abstract_canon_sha256":"68eb32277523d06807c198497aad36d478948e0bfa43a9396cf9193b66e4dd66"},"schema_version":"1.0"},"canonical_sha256":"c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2","source":{"kind":"arxiv","id":"1609.05899","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05899","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05899v1","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05899","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZCTWTVZFTM6U","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZCTWTVZFTM6UNFRD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZCTWTVZF","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ZCTWTVZFTM6UNFRDKA3Q336BI6","target":"record","payload":{"canonical_record":{"source":{"id":"1609.05899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-19T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"db85d72c1565cda3f294a9b2e77cc9cb2113ebd1eb2aa3e9a520e7f1be1fe73c","abstract_canon_sha256":"68eb32277523d06807c198497aad36d478948e0bfa43a9396cf9193b66e4dd66"},"schema_version":"1.0"},"canonical_sha256":"c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:10.552011Z","signature_b64":"usoULSzVxTgs7siSYJb8yweYN8CDcwoQ1/tVtyP921r/p1pvIo5+LtQwLuLCpinXPJZuR54/CiN7OkhcAEhbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2","last_reissued_at":"2026-05-18T00:57:10.551522Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:10.551522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.05899","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":"2026-05-18T00:57:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJ+o27zF1Clb8mWESci7dHl1R38WzqLSN0NAhPpu65pQvKrc4FTvc9F5aLB8v0amcna+Y7WlCHE+RlLWJ64kDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:21:25.335122Z"},"content_sha256":"c5bd2e56f6b9b053a59283247b363a20387d8f97770251da94083713144239c0","schema_version":"1.0","event_id":"sha256:c5bd2e56f6b9b053a59283247b363a20387d8f97770251da94083713144239c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ZCTWTVZFTM6UNFRDKA3Q336BI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stellar populations across the black hole mass - velocity dispersion relation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron J. Romanowsky, Duncan A. Forbes, Ignacio Mart\\'in-Navarro, Jean P. Brodie, Remco C. E. van den Bosch","submitted_at":"2016-09-19T20:00:01Z","abstract_excerpt":"Coevolution between supermassive black holes (BHs) and their host galaxies is universally adopted in models for galaxy formation. In the absence of feedback from active galactic nuclei, simulated massive galaxies keep forming stars in the local Universe. From an observational point of view, however, such coevolution remains unclear. We present a stellar population analysis of galaxies with direct BH mass measurements and the BH mass-{\\sigma} relation as a working framework. We find that over-massive BH galaxies, i.e., galaxies lying above the best-fitting BH mass-{\\sigma} line, tend to be olde"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05899","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":"2026-05-18T00:57:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o3pUHhoaqgKWEvkQJo+J2J7nNd8IqHPeNMZGaUt/Q3/74eMd13CXVviHRXHMjwAc/te7E/WKGe/366OmWyOcAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:21:25.335777Z"},"content_sha256":"d943baf751d7f8226d6b250f0a8c6a0a149054889f6874d8970167435f68905b","schema_version":"1.0","event_id":"sha256:d943baf751d7f8226d6b250f0a8c6a0a149054889f6874d8970167435f68905b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/bundle.json","state_url":"https://pith.science/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/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":"2026-05-31T05:21:25Z","links":{"resolver":"https://pith.science/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6","bundle":"https://pith.science/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/bundle.json","state":"https://pith.science/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCTWTVZFTM6UNFRDKA3Q336BI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZCTWTVZFTM6UNFRDKA3Q336BI6","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":"68eb32277523d06807c198497aad36d478948e0bfa43a9396cf9193b66e4dd66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-19T20:00:01Z","title_canon_sha256":"db85d72c1565cda3f294a9b2e77cc9cb2113ebd1eb2aa3e9a520e7f1be1fe73c"},"schema_version":"1.0","source":{"id":"1609.05899","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05899","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05899v1","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05899","created_at":"2026-05-18T00:57:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZCTWTVZFTM6U","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZCTWTVZFTM6UNFRD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZCTWTVZF","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:d943baf751d7f8226d6b250f0a8c6a0a149054889f6874d8970167435f68905b","target":"graph","created_at":"2026-05-18T00:57:10Z","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":"Coevolution between supermassive black holes (BHs) and their host galaxies is universally adopted in models for galaxy formation. In the absence of feedback from active galactic nuclei, simulated massive galaxies keep forming stars in the local Universe. From an observational point of view, however, such coevolution remains unclear. We present a stellar population analysis of galaxies with direct BH mass measurements and the BH mass-{\\sigma} relation as a working framework. We find that over-massive BH galaxies, i.e., galaxies lying above the best-fitting BH mass-{\\sigma} line, tend to be olde","authors_text":"Aaron J. Romanowsky, Duncan A. Forbes, Ignacio Mart\\'in-Navarro, Jean P. Brodie, Remco C. E. van den Bosch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-19T20:00:01Z","title":"Stellar populations across the black hole mass - velocity dispersion relation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05899","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:c5bd2e56f6b9b053a59283247b363a20387d8f97770251da94083713144239c0","target":"record","created_at":"2026-05-18T00:57:10Z","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":"68eb32277523d06807c198497aad36d478948e0bfa43a9396cf9193b66e4dd66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-19T20:00:01Z","title_canon_sha256":"db85d72c1565cda3f294a9b2e77cc9cb2113ebd1eb2aa3e9a520e7f1be1fe73c"},"schema_version":"1.0","source":{"id":"1609.05899","kind":"arxiv","version":1}},"canonical_sha256":"c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2","first_computed_at":"2026-05-18T00:57:10.551522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:10.551522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"usoULSzVxTgs7siSYJb8yweYN8CDcwoQ1/tVtyP921r/p1pvIo5+LtQwLuLCpinXPJZuR54/CiN7OkhcAEhbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:10.552011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05899","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5bd2e56f6b9b053a59283247b363a20387d8f97770251da94083713144239c0","sha256:d943baf751d7f8226d6b250f0a8c6a0a149054889f6874d8970167435f68905b"],"state_sha256":"1fac178f62ba0f456ecbc2516a450fe9ef414efa93740c5c95d293ed370ca36b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FhYVKwRDc1AyViQxtEUtRngDDTnIy4DTYTgVFGNaFXc1JP1uO19CGNGWK8pzM3b5IgOEZuRW6DtVQY8FDaBIDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:21:25.339174Z","bundle_sha256":"79b167fdf1e027e88f72339bd2dec5a030ee57f3de10b9e320065cfdf0565466"}}