{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:FFRDY7FOHNDC24UB7522ZQGLPH","short_pith_number":"pith:FFRDY7FO","schema_version":"1.0","canonical_sha256":"29623c7cae3b462d7281ff75acc0cb79ee8129c255238253561e1b782e92e4ef","source":{"kind":"arxiv","id":"1412.8474","version":1},"attestation_state":"computed","paper":{"title":"Revised Mass-to-Light Ratios For Nearby Galaxy Groups and Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Michael McDonald, Stephane Courteau, Yutong Shan","submitted_at":"2014-12-29T21:00:01Z","abstract_excerpt":"We present a detailed investigation of the cluster stellar mass-to-light (M*/L) ratio and cumulative stellar masses, derived on a galaxy-by-galaxy basis, for 12 massive (M500 ~ 10^14 - 10^15 Msun), nearby clusters with available optical imaging data from the Sloan Digital Sky Survey Data Release 10 and X-ray data from the Chandra X-ray Observatory. Our method involves a statistical cluster membership using both photometric and spectroscopic redshifts when available to maximize completeness whilst minimizing contamination effects. We show that different methods of estimating the stellar mass-to"},"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":"1412.8474","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"955a8c3bbcbad6a5943817b72618e84754abd07b83dd4b8ac44e6e680204e9b9","abstract_canon_sha256":"868a1cb4ae41a80174bc8d99ea9a53ddc44bb86d7dc9a875845ba97319b6ce54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:15.291329Z","signature_b64":"GNmItkvGqyNpK9TWz4inKQYAXjfoL/8avR+TsR+WyD6Ex3Zp1t2Eij+alasYOx/Odq40aF9Pv7F15pf4krkqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29623c7cae3b462d7281ff75acc0cb79ee8129c255238253561e1b782e92e4ef","last_reissued_at":"2026-05-18T01:41:15.290603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:15.290603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Revised Mass-to-Light Ratios For Nearby Galaxy Groups and Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Michael McDonald, Stephane Courteau, Yutong Shan","submitted_at":"2014-12-29T21:00:01Z","abstract_excerpt":"We present a detailed investigation of the cluster stellar mass-to-light (M*/L) ratio and cumulative stellar masses, derived on a galaxy-by-galaxy basis, for 12 massive (M500 ~ 10^14 - 10^15 Msun), nearby clusters with available optical imaging data from the Sloan Digital Sky Survey Data Release 10 and X-ray data from the Chandra X-ray Observatory. Our method involves a statistical cluster membership using both photometric and spectroscopic redshifts when available to maximize completeness whilst minimizing contamination effects. We show that different methods of estimating the stellar mass-to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.8474","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":"1412.8474","created_at":"2026-05-18T01:41:15.290700+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.8474v1","created_at":"2026-05-18T01:41:15.290700+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.8474","created_at":"2026-05-18T01:41:15.290700+00:00"},{"alias_kind":"pith_short_12","alias_value":"FFRDY7FOHNDC","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"FFRDY7FOHNDC24UB","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"FFRDY7FO","created_at":"2026-05-18T12:28:28.263976+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/FFRDY7FOHNDC24UB7522ZQGLPH","json":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH.json","graph_json":"https://pith.science/api/pith-number/FFRDY7FOHNDC24UB7522ZQGLPH/graph.json","events_json":"https://pith.science/api/pith-number/FFRDY7FOHNDC24UB7522ZQGLPH/events.json","paper":"https://pith.science/paper/FFRDY7FO"},"agent_actions":{"view_html":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH","download_json":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH.json","view_paper":"https://pith.science/paper/FFRDY7FO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.8474&json=true","fetch_graph":"https://pith.science/api/pith-number/FFRDY7FOHNDC24UB7522ZQGLPH/graph.json","fetch_events":"https://pith.science/api/pith-number/FFRDY7FOHNDC24UB7522ZQGLPH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH/action/storage_attestation","attest_author":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH/action/author_attestation","sign_citation":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH/action/citation_signature","submit_replication":"https://pith.science/pith/FFRDY7FOHNDC24UB7522ZQGLPH/action/replication_record"}},"created_at":"2026-05-18T01:41:15.290700+00:00","updated_at":"2026-05-18T01:41:15.290700+00:00"}