{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:GSXCIFVS3QVTEY3B4TIGF3O7RB","short_pith_number":"pith:GSXCIFVS","schema_version":"1.0","canonical_sha256":"34ae2416b2dc2b326361e4d062eddf8878c0560bd6d06b2899706905253542b2","source":{"kind":"arxiv","id":"1901.06509","version":2},"attestation_state":"computed","paper":{"title":"A Consistent Set of Empirical Scaling Relations for Spiral Galaxies: The $(v_{\\rm max},\\,M_{\\rm DM})$-$(\\sigma_0,\\,M_{\\rm BH},\\,\\phi)$ Relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alister W. Graham, Benjamin L. Davis, Fran\\c{c}oise Combes","submitted_at":"2019-01-19T12:19:11Z","abstract_excerpt":"Using the latest sample of 48 spiral galaxies having a directly measured supermassive black hole mass, $M_{BH}$, we determine how the maximum disk rotational velocity, $v_{max}$ (and the implied dark matter halo mass, $M_{DM}$), correlates with the (i) $M_{BH}$, (ii) central velocity dispersion, $\\sigma_0$, and (iii) spiral-arm pitch angle, $\\phi$. We find that $M_{BH}\\propto v_{max}^{10.62\\pm1.37}\\propto M_{DM}^{4.35\\pm0.66}$, significantly steeper than previously reported, and with a root mean square scatter ($0.58$ dex) similar to that about the $M_{BH}$-$\\sigma_0$ relation for spiral galax"},"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":"1901.06509","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-19T12:19:11Z","cross_cats_sorted":[],"title_canon_sha256":"ea5837df9ee1e05bad824ab678738d2b82267abb1b1f8cb1cd744266c7bd035c","abstract_canon_sha256":"8314bf8dd91be054e5d8a02fdbb169ea99f9e0e0fb03d20e890dd16c1478a6ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:25:20.540112Z","signature_b64":"QghYNMNrhtEGJb6nTBiZT65pCad4+TIp0yuzo/XQ4HyUkuFbRvDUK2WDp7vhvtLkck2cskWDRzMe12lMLpr1Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34ae2416b2dc2b326361e4d062eddf8878c0560bd6d06b2899706905253542b2","last_reissued_at":"2026-07-05T01:25:20.539704Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:25:20.539704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Consistent Set of Empirical Scaling Relations for Spiral Galaxies: The $(v_{\\rm max},\\,M_{\\rm DM})$-$(\\sigma_0,\\,M_{\\rm BH},\\,\\phi)$ Relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alister W. Graham, Benjamin L. Davis, Fran\\c{c}oise Combes","submitted_at":"2019-01-19T12:19:11Z","abstract_excerpt":"Using the latest sample of 48 spiral galaxies having a directly measured supermassive black hole mass, $M_{BH}$, we determine how the maximum disk rotational velocity, $v_{max}$ (and the implied dark matter halo mass, $M_{DM}$), correlates with the (i) $M_{BH}$, (ii) central velocity dispersion, $\\sigma_0$, and (iii) spiral-arm pitch angle, $\\phi$. We find that $M_{BH}\\propto v_{max}^{10.62\\pm1.37}\\propto M_{DM}^{4.35\\pm0.66}$, significantly steeper than previously reported, and with a root mean square scatter ($0.58$ dex) similar to that about the $M_{BH}$-$\\sigma_0$ relation for spiral galax"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06509","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/1901.06509/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.06509","created_at":"2026-07-05T01:25:20.539768+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.06509v2","created_at":"2026-07-05T01:25:20.539768+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06509","created_at":"2026-07-05T01:25:20.539768+00:00"},{"alias_kind":"pith_short_12","alias_value":"GSXCIFVS3QVT","created_at":"2026-07-05T01:25:20.539768+00:00"},{"alias_kind":"pith_short_16","alias_value":"GSXCIFVS3QVTEY3B","created_at":"2026-07-05T01:25:20.539768+00:00"},{"alias_kind":"pith_short_8","alias_value":"GSXCIFVS","created_at":"2026-07-05T01:25:20.539768+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/GSXCIFVS3QVTEY3B4TIGF3O7RB","json":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB.json","graph_json":"https://pith.science/api/pith-number/GSXCIFVS3QVTEY3B4TIGF3O7RB/graph.json","events_json":"https://pith.science/api/pith-number/GSXCIFVS3QVTEY3B4TIGF3O7RB/events.json","paper":"https://pith.science/paper/GSXCIFVS"},"agent_actions":{"view_html":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB","download_json":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB.json","view_paper":"https://pith.science/paper/GSXCIFVS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.06509&json=true","fetch_graph":"https://pith.science/api/pith-number/GSXCIFVS3QVTEY3B4TIGF3O7RB/graph.json","fetch_events":"https://pith.science/api/pith-number/GSXCIFVS3QVTEY3B4TIGF3O7RB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB/action/storage_attestation","attest_author":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB/action/author_attestation","sign_citation":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB/action/citation_signature","submit_replication":"https://pith.science/pith/GSXCIFVS3QVTEY3B4TIGF3O7RB/action/replication_record"}},"created_at":"2026-07-05T01:25:20.539768+00:00","updated_at":"2026-07-05T01:25:20.539768+00:00"}