{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OBRMHANS5YEFNLIVUUQ624NE6Q","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":"3f44cb8c717ee984dc15f59f44efa945c234634e6fcc289f00977866d807f839","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-05-03T19:09:55Z","title_canon_sha256":"4c0705b5481deac07318837e87709fe8a972e8d9f4d8cc7e849f87a26aaa0506"},"schema_version":"1.0","source":{"id":"2505.01896","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.01896","created_at":"2026-05-20T14:03:18Z"},{"alias_kind":"arxiv_version","alias_value":"2505.01896v2","created_at":"2026-05-20T14:03:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.01896","created_at":"2026-05-20T14:03:18Z"},{"alias_kind":"pith_short_12","alias_value":"OBRMHANS5YEF","created_at":"2026-05-20T14:03:18Z"},{"alias_kind":"pith_short_16","alias_value":"OBRMHANS5YEFNLIV","created_at":"2026-05-20T14:03:18Z"},{"alias_kind":"pith_short_8","alias_value":"OBRMHANS","created_at":"2026-05-20T14:03:18Z"}],"graph_snapshots":[{"event_id":"sha256:6ae5ab451201456007fbaf1af6b758ef5c8ea8b3dc7f9f6f3c6b03615cb057a4","target":"graph","created_at":"2026-05-20T14:03:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2505.01896/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Individual stars in the Milky Way (MW) and its satellites have been shown to trace galaxy stellar mass dependent sequences in the $\\alpha$-abundance ([$\\alpha$/Fe]) vs metallicity ([Fe/H]) plane. Testing the universality of such sequences has been elusive as deep absorption-line spectra required for [$\\alpha$/Fe] and [Fe/H] measurements beyond the local group are mostly limited to integrated light from nearby, relatively high-mass, early-type galaxies. However, analogous to [$\\alpha$/Fe] vs [Fe/H] for stars, we now have log(O/Ar) vs 12+log(Ar/H) for the integrated nebular light of star-forming","authors_text":"Chiaki Kobayashi, Kanak Saha, Magda Arnaboldi, Ortwin Gerhard, Souradeep Bhattacharya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-05-03T19:09:55Z","title":"Mass-dependent chemical enrichment sequences of SDSS star-forming galaxies out to z~0.3 revealed by direct O & Ar abundances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.01896","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":"sha256:8fe77ad81cd720e5870d137308a81dca8c090211a3022a5ce47f6ec16b3d0379","target":"record","created_at":"2026-05-20T14:03:18Z","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":"3f44cb8c717ee984dc15f59f44efa945c234634e6fcc289f00977866d807f839","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-05-03T19:09:55Z","title_canon_sha256":"4c0705b5481deac07318837e87709fe8a972e8d9f4d8cc7e849f87a26aaa0506"},"schema_version":"1.0","source":{"id":"2505.01896","kind":"arxiv","version":2}},"canonical_sha256":"7062c381b2ee0856ad15a521ed71a4f41552200a0dbf7b4b18ab2ae9f0ea7a41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7062c381b2ee0856ad15a521ed71a4f41552200a0dbf7b4b18ab2ae9f0ea7a41","first_computed_at":"2026-05-20T14:03:18.993101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T14:03:18.993101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qhm+b/IGEPUqrgrH9AlbdZOzD6cDibiFcxY5xiZPfGnDUC210X2ns0Wq918RzlSoQx0EhlGjoUasWnYruGLfBQ==","signature_status":"signed_v1","signed_at":"2026-05-20T14:03:18.993685Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.01896","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fe77ad81cd720e5870d137308a81dca8c090211a3022a5ce47f6ec16b3d0379","sha256:6ae5ab451201456007fbaf1af6b758ef5c8ea8b3dc7f9f6f3c6b03615cb057a4"],"state_sha256":"d3f4a3740541eb530ad9a5f0927ee0a25f24f7564f22b7ebf5dad4ca03114c10"}