{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:B5U4ZUWFD4HDOCFMIOH2TMYVFT","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":"acf6df037fc1fc2473c6e0818e67fc495d1d6170ca4d78079744b50bf13137cd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-27T13:28:31Z","title_canon_sha256":"1051cd4b44999caaf416d676ce0fb8a92fb692e5679785b975216f3586df84c3"},"schema_version":"1.0","source":{"id":"1807.10612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10612","created_at":"2026-05-18T00:08:37Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10612v1","created_at":"2026-05-18T00:08:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10612","created_at":"2026-05-18T00:08:37Z"},{"alias_kind":"pith_short_12","alias_value":"B5U4ZUWFD4HD","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"B5U4ZUWFD4HDOCFM","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"B5U4ZUWF","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:ebcb13ae1dcec19a2b6cb2da75a5e9d35992c6a92e72d33278cc0d8769657029","target":"graph","created_at":"2026-05-18T00:08:37Z","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 present adaptive optics (AO) assisted integral-field spectroscopy of the intermediate-age star cluster NGC 419 in the Small Magellanic Cloud. By investigating the cluster dynamics and the rotation properties of main sequence turn-off stars (MSTO), we demonstrate the power of AO-fed MUSE observations for this class of objects. Based on 1 049 radial velocity measurements, we determine a dynamical cluster mass of 1.4+/-0.2x10^5 M_sun and a dynamical mass-to-light ratio of 0.67+/-0.08, marginally higher than simple stellar population predictions for a Kroupa initial mass function. A stacking an","authors_text":"Andreas Kelz, Christopher Usher, Davor Krajnovi\\'c, Johan Richard, Mark den Brok, Matthias Steinmetz, Nathan J. Bastian, Peter M. Weilbacher, Sebastian Kamann, Silvia Martocchia, Stefan Dreizler, Tim-Oliver Husser","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-27T13:28:31Z","title":"Cluster kinematics and stellar rotation in NGC 419 with MUSE and adaptive optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10612","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:e0f4cc2a6c8fee292caf8ec0778859ee338cb5ac4e25418a24ba007efe3eb8ed","target":"record","created_at":"2026-05-18T00:08:37Z","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":"acf6df037fc1fc2473c6e0818e67fc495d1d6170ca4d78079744b50bf13137cd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-27T13:28:31Z","title_canon_sha256":"1051cd4b44999caaf416d676ce0fb8a92fb692e5679785b975216f3586df84c3"},"schema_version":"1.0","source":{"id":"1807.10612","kind":"arxiv","version":1}},"canonical_sha256":"0f69ccd2c51f0e3708ac438fa9b3152cec24bf31942cb24cc71481f62e986093","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f69ccd2c51f0e3708ac438fa9b3152cec24bf31942cb24cc71481f62e986093","first_computed_at":"2026-05-18T00:08:37.657736Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:37.657736Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QBau9K8i+/nba0mTjcskZPYmRsks8XxtsBddPMLaGvSO4Gss+2grvk9C5XGDFnj1wfyZSnbCmIGJhgzHk1RIAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:37.658418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0f4cc2a6c8fee292caf8ec0778859ee338cb5ac4e25418a24ba007efe3eb8ed","sha256:ebcb13ae1dcec19a2b6cb2da75a5e9d35992c6a92e72d33278cc0d8769657029"],"state_sha256":"9baf712818af04bf2a23d4508fa7dc4e9e9b392683aa221c34e33a36c8972593"}