{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KLGLHTPMAQMO7DCRGHFZOEI7GX","short_pith_number":"pith:KLGLHTPM","schema_version":"1.0","canonical_sha256":"52ccb3cdec0418ef8c5131cb97111f35efc8356d4b7c90209849f7d0822fd842","source":{"kind":"arxiv","id":"1806.04805","version":1},"attestation_state":"computed","paper":{"title":"Blue straggler stars beyond the Milky Way. II. A binary origin for blue straggler stars in Magellanic Cloud clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Chengyuan Li, Licai Deng, Richard de Grijs, Weijia Sun","submitted_at":"2018-06-13T00:34:26Z","abstract_excerpt":"We have analyzed populations of blue straggler stars (BSSs) in 24 Magellanic Cloud star clusters using multi-passband Hubble Space Telescope images. We compiled a homogeneous BSS database, containing both traditional and evolved BSSs. We uncovered a sub-linear correlation between the number of BSSs in the cluster cores and the clusters' core masses, characterized by a power-law index of $0.51\\pm 0.07$. For low stellar collision rates, the mass-normalized number of BSSs depends only weakly (or perhaps not at all) on the collision rate, implying that the binary-driven BSS formation channel domin"},"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":"1806.04805","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-13T00:34:26Z","cross_cats_sorted":[],"title_canon_sha256":"0c25a704b0a8c424db046e1ae557751de7f5d75bb7d8ca42e4709a9e9fb84b23","abstract_canon_sha256":"966f9ac536888499f1be1aa9b270f028fba4e545601b13c0417743cfd9cff117"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:41.120085Z","signature_b64":"pbTRzAHtzBH/vx1K7jB4dgyckDhItldb/R4ZbdgmT4uL3TooVQaSwmtL8Up+B/u2upfvZ9CGgV1fW4/e7MsyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52ccb3cdec0418ef8c5131cb97111f35efc8356d4b7c90209849f7d0822fd842","last_reissued_at":"2026-05-18T00:08:41.119289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:41.119289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Blue straggler stars beyond the Milky Way. II. A binary origin for blue straggler stars in Magellanic Cloud clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Chengyuan Li, Licai Deng, Richard de Grijs, Weijia Sun","submitted_at":"2018-06-13T00:34:26Z","abstract_excerpt":"We have analyzed populations of blue straggler stars (BSSs) in 24 Magellanic Cloud star clusters using multi-passband Hubble Space Telescope images. We compiled a homogeneous BSS database, containing both traditional and evolved BSSs. We uncovered a sub-linear correlation between the number of BSSs in the cluster cores and the clusters' core masses, characterized by a power-law index of $0.51\\pm 0.07$. For low stellar collision rates, the mass-normalized number of BSSs depends only weakly (or perhaps not at all) on the collision rate, implying that the binary-driven BSS formation channel domin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04805","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":"1806.04805","created_at":"2026-05-18T00:08:41.119436+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.04805v1","created_at":"2026-05-18T00:08:41.119436+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04805","created_at":"2026-05-18T00:08:41.119436+00:00"},{"alias_kind":"pith_short_12","alias_value":"KLGLHTPMAQMO","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KLGLHTPMAQMO7DCR","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KLGLHTPM","created_at":"2026-05-18T12:32:33.847187+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/KLGLHTPMAQMO7DCRGHFZOEI7GX","json":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX.json","graph_json":"https://pith.science/api/pith-number/KLGLHTPMAQMO7DCRGHFZOEI7GX/graph.json","events_json":"https://pith.science/api/pith-number/KLGLHTPMAQMO7DCRGHFZOEI7GX/events.json","paper":"https://pith.science/paper/KLGLHTPM"},"agent_actions":{"view_html":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX","download_json":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX.json","view_paper":"https://pith.science/paper/KLGLHTPM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.04805&json=true","fetch_graph":"https://pith.science/api/pith-number/KLGLHTPMAQMO7DCRGHFZOEI7GX/graph.json","fetch_events":"https://pith.science/api/pith-number/KLGLHTPMAQMO7DCRGHFZOEI7GX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX/action/storage_attestation","attest_author":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX/action/author_attestation","sign_citation":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX/action/citation_signature","submit_replication":"https://pith.science/pith/KLGLHTPMAQMO7DCRGHFZOEI7GX/action/replication_record"}},"created_at":"2026-05-18T00:08:41.119436+00:00","updated_at":"2026-05-18T00:08:41.119436+00:00"}