{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UMH6QLTLVBGLSX7PUYB47TGAHR","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":"b3c6e50a4a75cc8487380c2088e9a7483e3d0c68d34ef57f94d71b979f3ef504","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-01T19:48:26Z","title_canon_sha256":"5b3aee0d1862fb7d4d6536f6fae65484febb41ef4de63cd8e09e6030ce4d0ce8"},"schema_version":"1.0","source":{"id":"1904.01084","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01084","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01084v2","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01084","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"UMH6QLTLVBGL","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UMH6QLTLVBGLSX7P","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UMH6QLTL","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:b143d08352754cd3f965c6b19070f539f7a76e253aa4e6d350cdcff6be0c5807","target":"graph","created_at":"2026-05-17T23:45:20Z","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 report the confirmation of an old, metal-poor globular cluster in the nearby dwarf irregular galaxy Sextans A, the first globular cluster known in this galaxy. The cluster, which we designate as Sextans A-GC1, lies some 4.4 arcminutes ($\\sim1.8$ kpc) to the SW of the galaxy centre and clearly resolves into stars in sub-arcsecond seeing ground-based imaging.We measure an integrated magnitude $V=18.04$, corresponding to an absolute magnitude, $M_{V,0} = -7.85$. This gives an inferred mass $M\\sim$1.6$\\times10^5~M\\odot$, assuming a Kroupa IMF. An integrated spectrum of Sextans A-GC1 reveals a h","authors_text":"Carme Gallart, Giuseppina Battaglia, Mario H. Pedreros, Matteo Monelli, Michael A. Beasley, Ryan Leaman, Soeren Larsen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-01T19:48:26Z","title":"An old, metal-poor globular cluster in Sextans A and the metallicity floor of globular cluster systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01084","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:dd0a33976a6c69931453a28d1d52bcf4e21cfa678cc48e1a0247467e8ae3a892","target":"record","created_at":"2026-05-17T23:45:20Z","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":"b3c6e50a4a75cc8487380c2088e9a7483e3d0c68d34ef57f94d71b979f3ef504","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-01T19:48:26Z","title_canon_sha256":"5b3aee0d1862fb7d4d6536f6fae65484febb41ef4de63cd8e09e6030ce4d0ce8"},"schema_version":"1.0","source":{"id":"1904.01084","kind":"arxiv","version":2}},"canonical_sha256":"a30fe82e6ba84cb95fefa603cfccc03c70b13d7a060ce1fe702743fde93c4d98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a30fe82e6ba84cb95fefa603cfccc03c70b13d7a060ce1fe702743fde93c4d98","first_computed_at":"2026-05-17T23:45:20.014387Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:20.014387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/PUdvKByuiSHbDso5Rkr/YQxV8sBISZUwqEh4T9D3mzSdFnHae4Z0sD6S2lF0Nrt/BLhWuB2HfKB2UnbS2kuBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:20.015042Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.01084","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd0a33976a6c69931453a28d1d52bcf4e21cfa678cc48e1a0247467e8ae3a892","sha256:b143d08352754cd3f965c6b19070f539f7a76e253aa4e6d350cdcff6be0c5807"],"state_sha256":"98055df1fdb15a5c07c0bc1749e559b2ac5467a63547f94d44e89a9e528e1b21"}