{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:3ISYFWJRBKLFPOFKMKTYZMNUDO","short_pith_number":"pith:3ISYFWJR","schema_version":"1.0","canonical_sha256":"da2582d9310a9657b8aa62a78cb1b41b83282fcc1132727b5ed1d012cbca160a","source":{"kind":"arxiv","id":"2105.04569","version":1},"attestation_state":"computed","paper":{"title":"Fresh Insights on the Kinematics of M49's Globular Cluster System with MMT/Hectospec Spectroscopy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ann Zabludoff, Chelsea Spengler, Chengze Liu, David Hendel, Eric W. Peng, Hongxin Zhang, Igor Chilingarian, Joel Roediger, Laura Ferrarese, Matthew A. Taylor, Patrick C\\^ot\\'e, Rub\\'en S\\'anchez-Janssen, Youkyung Ko","submitted_at":"2021-05-10T18:00:03Z","abstract_excerpt":"We present the first results of an MMT/Hectospec campaign to measure the kinematics of globular clusters (GCs) around M49 -- the brightest galaxy in the Virgo galaxy cluster, which dominates the Virgo B subcluster. The data include kinematic tracers beyond 95 kpc (~5.2 effective radii) for M49 for the first time, enabling us to achieve three key insights reported here. First, beyond ~20'-30' (~100-150 kpc), the GC kinematics sampled along the minor photometric axis of M49 become increasingly hotter, indicating a transition from GCs related to M49 to those representing the Virgo B intra-cluster"},"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":"2105.04569","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-10T18:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"8f0f57a89f9396cb56e4de51dc69ddb9e963f51036154dc6aa7d893ab44e1b84","abstract_canon_sha256":"b33ab0f08d4916ef07395581045d307bb8bc17e120040bee4be4881bf513a542"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:59:20.685497Z","signature_b64":"Tx6flr34VwnuRhKaajTIYwJ516xFK1vSx5lTQmOkyfG6+/CsTpw8VFOsnOgaIX+R92Xt5f1U63+QEK9D6puTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da2582d9310a9657b8aa62a78cb1b41b83282fcc1132727b5ed1d012cbca160a","last_reissued_at":"2026-07-05T02:59:20.685027Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:59:20.685027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fresh Insights on the Kinematics of M49's Globular Cluster System with MMT/Hectospec Spectroscopy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ann Zabludoff, Chelsea Spengler, Chengze Liu, David Hendel, Eric W. Peng, Hongxin Zhang, Igor Chilingarian, Joel Roediger, Laura Ferrarese, Matthew A. Taylor, Patrick C\\^ot\\'e, Rub\\'en S\\'anchez-Janssen, Youkyung Ko","submitted_at":"2021-05-10T18:00:03Z","abstract_excerpt":"We present the first results of an MMT/Hectospec campaign to measure the kinematics of globular clusters (GCs) around M49 -- the brightest galaxy in the Virgo galaxy cluster, which dominates the Virgo B subcluster. The data include kinematic tracers beyond 95 kpc (~5.2 effective radii) for M49 for the first time, enabling us to achieve three key insights reported here. First, beyond ~20'-30' (~100-150 kpc), the GC kinematics sampled along the minor photometric axis of M49 become increasingly hotter, indicating a transition from GCs related to M49 to those representing the Virgo B intra-cluster"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.04569","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.04569/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":"2105.04569","created_at":"2026-07-05T02:59:20.685086+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.04569v1","created_at":"2026-07-05T02:59:20.685086+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.04569","created_at":"2026-07-05T02:59:20.685086+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ISYFWJRBKLF","created_at":"2026-07-05T02:59:20.685086+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ISYFWJRBKLFPOFK","created_at":"2026-07-05T02:59:20.685086+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ISYFWJR","created_at":"2026-07-05T02:59:20.685086+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/3ISYFWJRBKLFPOFKMKTYZMNUDO","json":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO.json","graph_json":"https://pith.science/api/pith-number/3ISYFWJRBKLFPOFKMKTYZMNUDO/graph.json","events_json":"https://pith.science/api/pith-number/3ISYFWJRBKLFPOFKMKTYZMNUDO/events.json","paper":"https://pith.science/paper/3ISYFWJR"},"agent_actions":{"view_html":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO","download_json":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO.json","view_paper":"https://pith.science/paper/3ISYFWJR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.04569&json=true","fetch_graph":"https://pith.science/api/pith-number/3ISYFWJRBKLFPOFKMKTYZMNUDO/graph.json","fetch_events":"https://pith.science/api/pith-number/3ISYFWJRBKLFPOFKMKTYZMNUDO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO/action/storage_attestation","attest_author":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO/action/author_attestation","sign_citation":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO/action/citation_signature","submit_replication":"https://pith.science/pith/3ISYFWJRBKLFPOFKMKTYZMNUDO/action/replication_record"}},"created_at":"2026-07-05T02:59:20.685086+00:00","updated_at":"2026-07-05T02:59:20.685086+00:00"}