{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MVI3C5EUCXDCR652CWGV274EWH","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":"953830a73f1a37c169d219bc746204c987713c31d9048d329241391e4e855011","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-08T13:12:59Z","title_canon_sha256":"9ae7024bf6cebb788467df0353ccfcaa33a6731066790b6c0d8ec330a2a35585"},"schema_version":"1.0","source":{"id":"1107.1625","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1625","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1625v1","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1625","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"pith_short_12","alias_value":"MVI3C5EUCXDC","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"MVI3C5EUCXDCR652","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"MVI3C5EU","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:4fb901261d030e9d0dc29273a83d667f213ee7b2bba943dda97503c0e6c1dec7","target":"graph","created_at":"2026-05-18T02:01:21Z","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":"Fluorine (19F) abundances (or upper limits) are derived in six extragalactic AGB carbon stars from the HF(1-0) R9 line at 2.3358 mu in high resolution spectra. The stars belong to the Local Group galaxies LMC, SMC and Carina dwarf spheroidal, spanning more than a factor 50 in metallicity. This is the first study to probe the behaviour of F with metallicity in intrinsic extragalactic C-rich AGB stars. Fluorine could be measured only in four of the target stars, showing a wide range in F-enhancements. Our F abundance measurements together with those recently derived in Galactic AGB carbon stars ","authors_text":"A. Recio-Blanco, C. Abia, I. Dom\\'inguez, K. Cunha, O. Straniero, P. de Laverny, S. Cristallo, V.V. Smith","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-08T13:12:59Z","title":"The First Fluorine Abundance Determinations in Extragalactic AGB Carbon Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1625","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":"sha256:4b8f43e103e8230d3e0131a652b490bf0202c58320f13550de971f22bcc4084c","target":"record","created_at":"2026-05-18T02:01:21Z","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":"953830a73f1a37c169d219bc746204c987713c31d9048d329241391e4e855011","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-08T13:12:59Z","title_canon_sha256":"9ae7024bf6cebb788467df0353ccfcaa33a6731066790b6c0d8ec330a2a35585"},"schema_version":"1.0","source":{"id":"1107.1625","kind":"arxiv","version":1}},"canonical_sha256":"6551b1749415c628fbba158d5d7f84b1dd78153c7951674fcd4fa805d8496ca9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6551b1749415c628fbba158d5d7f84b1dd78153c7951674fcd4fa805d8496ca9","first_computed_at":"2026-05-18T02:01:21.299744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:21.299744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bNrnMCrtSEL8uIs+UTbAbp8FzJXs4xV54ugrOe9Ukf26YpqFiKCB9yzV9fWLX6GRrGEOAUjaOIW/VsL25Nu4AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:21.300508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1625","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b8f43e103e8230d3e0131a652b490bf0202c58320f13550de971f22bcc4084c","sha256:4fb901261d030e9d0dc29273a83d667f213ee7b2bba943dda97503c0e6c1dec7"],"state_sha256":"beff0203b6863aab9b7bdda43823773fc34dc9d9d409b5e0a2e266d81bf0d075"}