{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KDC2BJDZYB6ST4HM32N2ZYETR3","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":"518f565e42cf3dd974b45abd2d14c1e584d87823c9dadceac3da85e04390ac7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-23T10:20:53Z","title_canon_sha256":"e54689f115dc40492d23dfe165606a6f64f3879ad47389ae45b9223b613bf848"},"schema_version":"1.0","source":{"id":"1512.07417","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07417","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07417v1","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07417","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"KDC2BJDZYB6S","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KDC2BJDZYB6ST4HM","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KDC2BJDZ","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:d2b0ecdc0e0383c2f3fa67c9ab91750699c0a23eb6088f9a000aa0dc22f1d0c8","target":"graph","created_at":"2026-05-18T01:23:49Z","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":"The properties of globular cluster systems (GCSs) in the core of the nearby galaxy clusters Fornax and Hydra I are presented. In the Fornax cluster we have gathered the largest radial velocity sample of a GCS system so far, which enables us to identify photometric and kinematic sub-populations around the central galaxy NGC 1399. Moreover, ages, metallicities and [alpha/Fe] abundances of a sub-sample of 60 bright globular clusters (GCs) with high S/N spectroscopy show a multi-modal distribution in the correlation space of these three parameters, confirming heterogeneous stellar populations in t","authors_text":"(2) Universidad de Concepcion), Garching, Michael Hilker (1), Tom Richtler (2) ((1) ESO","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-23T10:20:53Z","title":"Globular clusters as tracers of the halo assembly of nearby central cluster galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07417","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":"sha256:78d0fde98edfa3c846eeabe37c91a41f189733c59a791f58a3f67235d45be964","target":"record","created_at":"2026-05-18T01:23:49Z","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":"518f565e42cf3dd974b45abd2d14c1e584d87823c9dadceac3da85e04390ac7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-23T10:20:53Z","title_canon_sha256":"e54689f115dc40492d23dfe165606a6f64f3879ad47389ae45b9223b613bf848"},"schema_version":"1.0","source":{"id":"1512.07417","kind":"arxiv","version":1}},"canonical_sha256":"50c5a0a479c07d29f0ecde9bace0938eee04cdcd7cd05d6b3f1165efe7d796cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50c5a0a479c07d29f0ecde9bace0938eee04cdcd7cd05d6b3f1165efe7d796cc","first_computed_at":"2026-05-18T01:23:49.734677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:49.734677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d5ah9+Xu4aUUZuOy3T/IiNnl/9rrwR/l7Zzyn0U0VHlnGLh3cTo0EYMKCmrFAPIw77R7dljifhmIOB6C+i0SAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:49.735168Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07417","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78d0fde98edfa3c846eeabe37c91a41f189733c59a791f58a3f67235d45be964","sha256:d2b0ecdc0e0383c2f3fa67c9ab91750699c0a23eb6088f9a000aa0dc22f1d0c8"],"state_sha256":"a67d41c816f6211d79d5b2eb74069b9df900b3a9b9664ad086a0edb1e465d067"}