{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:W3KLSAXVLFQRV6EG33XJG2II27","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":"4c170b9b7668da4a5aac59e5bb4c970458912dc6cd7532379edc732c809ba10f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-05T14:45:34Z","title_canon_sha256":"48178ea5ba631ba6b052916e035c9519a9dfd3320c75ef8b5505cbe7650ccc9e"},"schema_version":"1.0","source":{"id":"1605.01612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.01612","created_at":"2026-05-18T01:02:44Z"},{"alias_kind":"arxiv_version","alias_value":"1605.01612v1","created_at":"2026-05-18T01:02:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.01612","created_at":"2026-05-18T01:02:44Z"},{"alias_kind":"pith_short_12","alias_value":"W3KLSAXVLFQR","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"W3KLSAXVLFQRV6EG","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"W3KLSAXV","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:0a7521df53c7641cf5f94a20b04fa2c7f21d51869396cde26921277784e81c72","target":"graph","created_at":"2026-05-18T01:02:44Z","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 CHemical Abundances of Spirals (CHAOS) project leverages the combined power of the Large Binocular Telescope with the broad spectral range and sensitivity of the Multi Object Double Spectrograph (MODS) to measure direct abundances in large samples of HII regions in spiral galaxies. We present LBT MODS observations of 109 Hii regions in NGC5457, of which 74 have robust measurements of key auroral lines, a factor of 3 larger than all previous published detections of auroral lines in the HII regions of NGC5457. Comparing the temperatures derived from the different ionic species we find: (1) s","authors_text":"Danielle A. Berg, Evan D. Skillman, John Moustakas, Kevin Croxall, Richard W. Pogge","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-05T14:45:34Z","title":"CHAOS III: Gas-Phase Abundances in NGC5457"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.01612","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:e7c7bd7373eeee2c41030f6a7eca5f581652b7220dc649ab0c496690522cfb32","target":"record","created_at":"2026-05-18T01:02:44Z","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":"4c170b9b7668da4a5aac59e5bb4c970458912dc6cd7532379edc732c809ba10f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-05T14:45:34Z","title_canon_sha256":"48178ea5ba631ba6b052916e035c9519a9dfd3320c75ef8b5505cbe7650ccc9e"},"schema_version":"1.0","source":{"id":"1605.01612","kind":"arxiv","version":1}},"canonical_sha256":"b6d4b902f559611af886deee936908d7e79529ab53c4325a35f74d873efeddb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6d4b902f559611af886deee936908d7e79529ab53c4325a35f74d873efeddb0","first_computed_at":"2026-05-18T01:02:44.305133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:44.305133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fSUHkKMKkDB/mCMczE5Zh/t7pDiJGwJWyi2GCKoXc9yOJGEuTM9pNvHi+uBGIabc/WfEHpIwhOm6nBGveVKgDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:44.305581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.01612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7c7bd7373eeee2c41030f6a7eca5f581652b7220dc649ab0c496690522cfb32","sha256:0a7521df53c7641cf5f94a20b04fa2c7f21d51869396cde26921277784e81c72"],"state_sha256":"01268dba4cf96c246514058bf118f9e2d670b741e3e4cee0980b3bf6371fe14d"}