{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:DJWKX77LP4M6LIENGFT27WUHOS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bbb6fd76f2021db88d3a22070b6340551b5b1ae295d4735855ce34a44b41b9e8","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-15T20:02:00Z","title_canon_sha256":"93e0a4c2e4619670e23e40679e25c9907627b12169309909f5c242b726db7a1e"},"schema_version":"1.0","source":{"id":"0909.2864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.2864","created_at":"2026-05-18T02:11:47Z"},{"alias_kind":"arxiv_version","alias_value":"0909.2864v1","created_at":"2026-05-18T02:11:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2864","created_at":"2026-05-18T02:11:47Z"},{"alias_kind":"pith_short_12","alias_value":"DJWKX77LP4M6","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"DJWKX77LP4M6LIEN","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"DJWKX77L","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:e6ff3b4c51d7fc51601baa6b855463172661b338718514daafd8087ce60e8841","target":"graph","created_at":"2026-05-18T02:11:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We investigate the relationship between the mass of a globular cluster core and the sizes of its various stellar populations in a sample of 56 globular clusters. The number of core red giant branch stars is found to scale sub-linearly with core mass at the 3-$\\sigma$ confidence level, whereas the relation is linear to within one standard deviation for main-sequence turn-off and sub-giant branch stars. We interpret our results as evidence for a surplus of red giant branch stars in the least massive cluster cores which is not seen for main-sequence turn-off and sub-giant branch stars. We explore","authors_text":"A. Sills, C. Knigge, N. Leigh","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-15T20:02:00Z","title":"Stellar Populations in Globular Cluster Cores: Evidence for a Peculiar Trend Among Red Giant Branch Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2864","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5ff709f6b57615859666069b4eb2a45a1b759c362978416b15231189c432df3e","target":"record","created_at":"2026-05-18T02:11:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bbb6fd76f2021db88d3a22070b6340551b5b1ae295d4735855ce34a44b41b9e8","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-15T20:02:00Z","title_canon_sha256":"93e0a4c2e4619670e23e40679e25c9907627b12169309909f5c242b726db7a1e"},"schema_version":"1.0","source":{"id":"0909.2864","kind":"arxiv","version":1}},"canonical_sha256":"1a6cabffeb7f19e5a08d3167afda87748a0773c441ebc6db702a2115de806665","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a6cabffeb7f19e5a08d3167afda87748a0773c441ebc6db702a2115de806665","first_computed_at":"2026-05-18T02:11:47.646075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:47.646075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RK/pWNYEz5U0exaeJbdQdAGNREdJZnteY6b0ZaJU/AS7DZpL/tb2FK/03ugz5NEJZQAB4IDKWY83sMzEKuk/Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:47.646719Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.2864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ff709f6b57615859666069b4eb2a45a1b759c362978416b15231189c432df3e","sha256:e6ff3b4c51d7fc51601baa6b855463172661b338718514daafd8087ce60e8841"],"state_sha256":"5c3938a77067458d6d3f25a20d68065f24b1b9a59cc919e2b70d7b28bf53bd13"}