{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HYZEM4DPUTNUK52WT7NOK4NGSI","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":"2ab4432a1ce49ba28f340c7b1067bdb0644d8c4a3548d0c5aca424eb8db4e204","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-20T19:00:05Z","title_canon_sha256":"b43aaaedf3e6dab117dfacc06096538c2fee176712e7d976a2446d4b52c0be8e"},"schema_version":"1.0","source":{"id":"1701.05904","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05904","created_at":"2026-05-18T00:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05904v2","created_at":"2026-05-18T00:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05904","created_at":"2026-05-18T00:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"HYZEM4DPUTNU","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HYZEM4DPUTNUK52W","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HYZEM4DP","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:c1fc729074b113b98ade9fadfd4c34a5ce6ccff11c17f9311abbaf25591406c6","target":"graph","created_at":"2026-05-18T00:44:47Z","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 use globular cluster kinematics data, primarily from the SLUGGS survey, to measure the dark matter fraction ($f_{\\rm DM}$) and the average dark matter density ($\\left< \\rho_{\\rm DM} \\right>$) within the inner 5 effective radii ($R_{\\rm e}$) for 32 nearby early--type galaxies (ETGs) with stellar mass log $(M_*/\\rm M_\\odot)$ ranging from $10.1$ to $11.8$. We compare our results with a simple galaxy model based on scaling relations as well as with cosmological hydrodynamical simulations where the dark matter profile has been modified through various physical processes.\n  We find a high $f_{\\rm","authors_text":"Aaron J. Romanowsky, Adebusola B. Alabi, Anna Ferr\\'e-Mateu, Christopher Usher, Duncan A. Forbes, Jay Strader, Jean P. Brodie, Joachim Janz, Lee R. Spitler, Sabine Bellstedt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-20T19:00:05Z","title":"The SLUGGS Survey: Dark matter fractions at large radii and assembly epochs of early-type galaxies from globular cluster kinematics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05904","kind":"arxiv","version":2},"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":"sha256:99123bdfeb4f2db9785182e48dd30dd70b8c28789d88be9930d91f3a7b1dd769","target":"record","created_at":"2026-05-18T00:44:47Z","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":"2ab4432a1ce49ba28f340c7b1067bdb0644d8c4a3548d0c5aca424eb8db4e204","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-20T19:00:05Z","title_canon_sha256":"b43aaaedf3e6dab117dfacc06096538c2fee176712e7d976a2446d4b52c0be8e"},"schema_version":"1.0","source":{"id":"1701.05904","kind":"arxiv","version":2}},"canonical_sha256":"3e3246706fa4db4577569fdae571a692122596ad402b101792cc6e7376a65c46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e3246706fa4db4577569fdae571a692122596ad402b101792cc6e7376a65c46","first_computed_at":"2026-05-18T00:44:47.022138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:47.022138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IDTa8ESDPT0I7jLCkoqcdzpyPZHa3dId2uyqXoMGK7HoNbyRO9iFASgCdkFymjQ3WAZ9uDrEq6EDhhG6ewW2Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:47.022587Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.05904","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99123bdfeb4f2db9785182e48dd30dd70b8c28789d88be9930d91f3a7b1dd769","sha256:c1fc729074b113b98ade9fadfd4c34a5ce6ccff11c17f9311abbaf25591406c6"],"state_sha256":"b7453330973066a0e9bd12d20c4bb5d6a6f1f2993a413dce0b8980828f767f58"}