{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WQ3TYN3VJTULOT4QDTOELIQBHC","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":"2a5ed3d1345e4c4f7d9611821b7331aa8b46daa38b7077c200ba8b1b74988eaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-30T20:00:11Z","title_canon_sha256":"8ac7e003bc9829447d9416dcf9048679f2f0bc9b1801ef152c04e9936c6190fb"},"schema_version":"1.0","source":{"id":"1610.00013","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00013","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00013v1","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00013","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"WQ3TYN3VJTUL","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"WQ3TYN3VJTULOT4Q","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"WQ3TYN3V","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:d1ffe895c1c3c923509db6c538d9b36860b07cb521fe330ab9a938c01d431709","target":"graph","created_at":"2026-05-18T01:02:36Z","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":"This work presents CHARA/VEGA H$\\alpha$ spectro-interferometry (R ~ 6000, and $\\lambda$/2B ~ 1 mas) of HD 179218 and HD 141569, doubling the sample of Herbig Ae/Be (HAeBe) stars for which this type of observations is available so far. The observed H$\\alpha$ emission is spatially unresolved, indicating that the size of the H$\\alpha$ emitting region is smaller than ~ 0.21 and 0.12 au for HD 179218 and HD 141529 (~ 15 and 16 R*, respectively). This is smaller than for the two other HAeBes previously observed with the same instrumentation. Two different scenarios have been explored in order to exp","authors_text":"D. Mourard, I. Mendigut\\'ia, J. Muzerolle, R.D. Oudmaijer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-30T20:00:11Z","title":"The compact H$\\alpha$ emitting regions of the Herbig Ae/Be stars HD 179218 and HD 141569 from CHARA spectro-interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00013","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":"sha256:5b0f71a3bc26bef7ed7277ba61c7d5113727c6b7d530879109ba35c4f273feb7","target":"record","created_at":"2026-05-18T01:02:36Z","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":"2a5ed3d1345e4c4f7d9611821b7331aa8b46daa38b7077c200ba8b1b74988eaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-30T20:00:11Z","title_canon_sha256":"8ac7e003bc9829447d9416dcf9048679f2f0bc9b1801ef152c04e9936c6190fb"},"schema_version":"1.0","source":{"id":"1610.00013","kind":"arxiv","version":1}},"canonical_sha256":"b4373c37754ce8b74f901cdc45a20138899f836e527a187bcbdb53fedf9ebe8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4373c37754ce8b74f901cdc45a20138899f836e527a187bcbdb53fedf9ebe8f","first_computed_at":"2026-05-18T01:02:36.236261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:36.236261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4Xj7BcTTeoIp0bno6zTXvZr8rzKyhuMqGtOsdQkDoUeuScJtyFeFgjPMf/YeqevCVBc3F64xhyPudJIUIUnNDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:36.237064Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.00013","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b0f71a3bc26bef7ed7277ba61c7d5113727c6b7d530879109ba35c4f273feb7","sha256:d1ffe895c1c3c923509db6c538d9b36860b07cb521fe330ab9a938c01d431709"],"state_sha256":"6c41638ca3a1c410355410e28937a852e6bbcb815306835ed86cf432555309b6"}