{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:FE23VUJ6HILIXTBJDHVJAFEJSK","short_pith_number":"pith:FE23VUJ6","schema_version":"1.0","canonical_sha256":"2935bad13e3a168bcc2919ea90148992af11e91a1c8cc17e9fdf4417776b5b9c","source":{"kind":"arxiv","id":"1807.06013","version":1},"attestation_state":"computed","paper":{"title":"Does black-hole growth depend on the cosmic environment?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"B. Darvish, C.-T. J. Chen, D. M. Alexander, F. E. Bauer, F. Vito, Guang Yang, J. R. Trump, W. N. Brandt","submitted_at":"2018-07-16T18:00:00Z","abstract_excerpt":"It is well known that environment affects galaxy evolution, which is broadly related to supermassive black hole (SMBH) growth. We investigate whether SMBH evolution also depends on host-galaxy local (sub-Mpc) and global ($\\approx 1-10$ Mpc) environment. We construct the surface-density field (local environment) and cosmic web (global environment) in the COSMOS field at $z=0.3-3.0$. The environments in COSMOS range from the field to clusters ($M_\\mathrm{halo} \\lesssim 10^{14}\\ M_\\odot$), covering the environments where ${\\approx 99\\%}$ of galaxies in the Universe reside. We measure sample-avera"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1807.06013","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T18:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"0d25f31acd034baecb3871bf8bb6f5191504c3851da282fb27ea1d18aa7d7994","abstract_canon_sha256":"f0ece6de1f48651ed5f3e97ab4e90a081d1cb9bb4c420cfec8373fc317216284"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:23.928307Z","signature_b64":"wCALfNwnJ23ew+Vl/u686iwGkjesIuoopnFrfmZzlA4D+Rl4LAAxnZLsWWnsGA7KUNYmqXvAJacrKXPJj7yoAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2935bad13e3a168bcc2919ea90148992af11e91a1c8cc17e9fdf4417776b5b9c","last_reissued_at":"2026-05-18T00:09:23.927824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:23.927824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Does black-hole growth depend on the cosmic environment?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"B. Darvish, C.-T. J. Chen, D. M. Alexander, F. E. Bauer, F. Vito, Guang Yang, J. R. Trump, W. N. Brandt","submitted_at":"2018-07-16T18:00:00Z","abstract_excerpt":"It is well known that environment affects galaxy evolution, which is broadly related to supermassive black hole (SMBH) growth. We investigate whether SMBH evolution also depends on host-galaxy local (sub-Mpc) and global ($\\approx 1-10$ Mpc) environment. We construct the surface-density field (local environment) and cosmic web (global environment) in the COSMOS field at $z=0.3-3.0$. The environments in COSMOS range from the field to clusters ($M_\\mathrm{halo} \\lesssim 10^{14}\\ M_\\odot$), covering the environments where ${\\approx 99\\%}$ of galaxies in the Universe reside. We measure sample-avera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06013","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1807.06013","created_at":"2026-05-18T00:09:23.927904+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.06013v1","created_at":"2026-05-18T00:09:23.927904+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06013","created_at":"2026-05-18T00:09:23.927904+00:00"},{"alias_kind":"pith_short_12","alias_value":"FE23VUJ6HILI","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"FE23VUJ6HILIXTBJ","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"FE23VUJ6","created_at":"2026-05-18T12:32:22.470017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK","json":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK.json","graph_json":"https://pith.science/api/pith-number/FE23VUJ6HILIXTBJDHVJAFEJSK/graph.json","events_json":"https://pith.science/api/pith-number/FE23VUJ6HILIXTBJDHVJAFEJSK/events.json","paper":"https://pith.science/paper/FE23VUJ6"},"agent_actions":{"view_html":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK","download_json":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK.json","view_paper":"https://pith.science/paper/FE23VUJ6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.06013&json=true","fetch_graph":"https://pith.science/api/pith-number/FE23VUJ6HILIXTBJDHVJAFEJSK/graph.json","fetch_events":"https://pith.science/api/pith-number/FE23VUJ6HILIXTBJDHVJAFEJSK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK/action/storage_attestation","attest_author":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK/action/author_attestation","sign_citation":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK/action/citation_signature","submit_replication":"https://pith.science/pith/FE23VUJ6HILIXTBJDHVJAFEJSK/action/replication_record"}},"created_at":"2026-05-18T00:09:23.927904+00:00","updated_at":"2026-05-18T00:09:23.927904+00:00"}