{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:4UQ4D6J45FR253ZLZX6GT2BXTF","short_pith_number":"pith:4UQ4D6J4","schema_version":"1.0","canonical_sha256":"e521c1f93ce963aeef2bcdfc69e837997e5f22263b9bdaf90f602670d2297312","source":{"kind":"arxiv","id":"1401.4461","version":1},"attestation_state":"computed","paper":{"title":"Dynamical Models of Elliptical Galaxies -- II. M87 and its Globular Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Agnello, A. J. Romanowsky, J. P. Brodie, N. W. Evans","submitted_at":"2014-01-17T21:00:12Z","abstract_excerpt":"We study the Globular Cluster (GC) system of the nearby elliptical galaxy M87 using the newly available dataset with accurate kinematics (Strader et al.2011). We find evidence for three distinct sub-populations of GCs in terms of colours, kinematics and radial profiles. We show that a decomposition into three populations (blue, intermediate and red GCs) is statistically preferred to one with two or four populations, and relate them to the stellar profile. We exploit the sub-populations to derive dynamical constraints on the mass and Dark Matter (DM) content of M87 out to $\\sim100$ kpc. We use "},"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":"1401.4461","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-17T21:00:12Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"97a4c9b070d226dd6810c570113bfbcc546325a7133401a1eaf3db35e601e14f","abstract_canon_sha256":"f076bf3068b6d9aeef49515a3d2ed9597294369a2d0a7b455ddfe37ff0327779"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:19.535435Z","signature_b64":"p2RjRot7NHb11fREQY3el9lpW2HR76gGcR6XQ7LUOD8dTGqgCEeREDUOalV7oNOMXHTTLKmXOlu8+8bwqvlFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e521c1f93ce963aeef2bcdfc69e837997e5f22263b9bdaf90f602670d2297312","last_reissued_at":"2026-05-18T01:45:19.534936Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:19.534936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical Models of Elliptical Galaxies -- II. M87 and its Globular Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Agnello, A. J. Romanowsky, J. P. Brodie, N. W. Evans","submitted_at":"2014-01-17T21:00:12Z","abstract_excerpt":"We study the Globular Cluster (GC) system of the nearby elliptical galaxy M87 using the newly available dataset with accurate kinematics (Strader et al.2011). We find evidence for three distinct sub-populations of GCs in terms of colours, kinematics and radial profiles. We show that a decomposition into three populations (blue, intermediate and red GCs) is statistically preferred to one with two or four populations, and relate them to the stellar profile. We exploit the sub-populations to derive dynamical constraints on the mass and Dark Matter (DM) content of M87 out to $\\sim100$ kpc. We use "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4461","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":"1401.4461","created_at":"2026-05-18T01:45:19.535002+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.4461v1","created_at":"2026-05-18T01:45:19.535002+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4461","created_at":"2026-05-18T01:45:19.535002+00:00"},{"alias_kind":"pith_short_12","alias_value":"4UQ4D6J45FR2","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"4UQ4D6J45FR253ZL","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"4UQ4D6J4","created_at":"2026-05-18T12:28:14.216126+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/4UQ4D6J45FR253ZLZX6GT2BXTF","json":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF.json","graph_json":"https://pith.science/api/pith-number/4UQ4D6J45FR253ZLZX6GT2BXTF/graph.json","events_json":"https://pith.science/api/pith-number/4UQ4D6J45FR253ZLZX6GT2BXTF/events.json","paper":"https://pith.science/paper/4UQ4D6J4"},"agent_actions":{"view_html":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF","download_json":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF.json","view_paper":"https://pith.science/paper/4UQ4D6J4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.4461&json=true","fetch_graph":"https://pith.science/api/pith-number/4UQ4D6J45FR253ZLZX6GT2BXTF/graph.json","fetch_events":"https://pith.science/api/pith-number/4UQ4D6J45FR253ZLZX6GT2BXTF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF/action/storage_attestation","attest_author":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF/action/author_attestation","sign_citation":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF/action/citation_signature","submit_replication":"https://pith.science/pith/4UQ4D6J45FR253ZLZX6GT2BXTF/action/replication_record"}},"created_at":"2026-05-18T01:45:19.535002+00:00","updated_at":"2026-05-18T01:45:19.535002+00:00"}