{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:QVLCTA5VU7CS3CBSZP6GLCCZ4A","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":"057782163b26f6f41541154ced0420ee2f3666055527d7c257bdd88dfeb30a08","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-13T15:11:23Z","title_canon_sha256":"3f4d248dcfabe64e8da41d30ec17126428c841926c2aa99c518c259b6be1c4c0"},"schema_version":"1.0","source":{"id":"astro-ph/0509339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509339","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509339v1","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509339","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"pith_short_12","alias_value":"QVLCTA5VU7CS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"QVLCTA5VU7CS3CBS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"QVLCTA5V","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:79d451a6f1e15c2b0fa91c5a65ec0b286233b6dd02e33e596f682f6be61d8d76","target":"graph","created_at":"2026-05-18T02:40:25Z","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":"Observations of hot stars belonging to the young cluster LMC-NGC2004 and its surrounding region have been obtained with the VLT-GIRAFFE facilities in MEDUSA mode. 25 Be stars were discovered; the proportion of Be stars compared to B-type stars is found to be of the same order in the LMC and in the Galaxy fields. 23 hot stars were discovered as spectroscopic binaries (SB1 and SB2), 5 of these are found to be eclipsing systems from the MACHO database, with periods of a few days. About 75% of the spectra in our sample are polluted by hydrogen (Halpha and Hgamma), [SII] and [NII] nebular lines. Th","authors_text":"Anne-Marie Hubert (GEPI), Christophe Martayan (GEPI), Coralie Neiner (GEPI), Jean Zorec, Juan Fabregat, Michele Floquet (GEPI), Philippe Stee, Yves Fremat","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-13T15:11:23Z","title":"A study of the B and Be star population in the field of the LMC open cluster NGC2004 with VLT-FLAMES"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509339","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":"sha256:80d41197e0b7224ef6b884ccb0a0e54eb95beb9a8f36e1c7fef0e4129a566e10","target":"record","created_at":"2026-05-18T02:40:25Z","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":"057782163b26f6f41541154ced0420ee2f3666055527d7c257bdd88dfeb30a08","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-13T15:11:23Z","title_canon_sha256":"3f4d248dcfabe64e8da41d30ec17126428c841926c2aa99c518c259b6be1c4c0"},"schema_version":"1.0","source":{"id":"astro-ph/0509339","kind":"arxiv","version":1}},"canonical_sha256":"85562983b5a7c52d8832cbfc658859e02f6773c473862ae9758a73e6c0a72bbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85562983b5a7c52d8832cbfc658859e02f6773c473862ae9758a73e6c0a72bbd","first_computed_at":"2026-05-18T02:40:25.552475Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:25.552475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+8YHcKHwkjN6LGBII8cnrUWuWDWC+0tEo6nenVkevK7IY6YQAKa7yA7BqTw4WFla2OhncBXgGyRLq9LozNrhBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:25.552905Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80d41197e0b7224ef6b884ccb0a0e54eb95beb9a8f36e1c7fef0e4129a566e10","sha256:79d451a6f1e15c2b0fa91c5a65ec0b286233b6dd02e33e596f682f6be61d8d76"],"state_sha256":"09ed1fbcf98c2da43ac007dfb02780739756c0a77cf9cdca4c3922b846b9dc9f"}