{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UVQ447M2WYTSK3TUESCXN2ZDZ7","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":"20e4ead2b02793e0b51c450efd9d98a7210cce193ab86e8f8535ca553ed41d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-03-01T06:25:45Z","title_canon_sha256":"e5ac1a1024bdf236602d8c710a577688aa372a60682c4e96110c571fce151c95"},"schema_version":"1.0","source":{"id":"1403.0050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.0050","created_at":"2026-05-18T01:44:21Z"},{"alias_kind":"arxiv_version","alias_value":"1403.0050v1","created_at":"2026-05-18T01:44:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.0050","created_at":"2026-05-18T01:44:21Z"},{"alias_kind":"pith_short_12","alias_value":"UVQ447M2WYTS","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UVQ447M2WYTSK3TU","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UVQ447M2","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:587ddc47de058110dbaa92ffedbe543ee28ded853c34d1aba9d94107ca3b9210","target":"graph","created_at":"2026-05-18T01:44:21Z","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":"We report the selection and spectroscopic confirmation of 129 new late-type (K3-M6) members of the Tuc-Hor moving group, a nearby (~40 pc), young (~40 Myr) population of comoving stars. We also report observations for 13/17 known Tuc-Hor members in this spectral type range, and that 62 additional candidates are likely to be unassociated field stars; the confirmation frequency for new candidates is therefore 129/191 = 67%. We have used RVs, Halpha emission, and Li6708 absorption to distinguish contaminants and bona fide members. Our expanded census of Tuc-Hor increases the known population by a","authors_text":"Adam L. Kraus, Evgenya L. Shkolnik, Katelyn N. Allers, Michael C. Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-03-01T06:25:45Z","title":"A Stellar Census of the Tucana-Horologium Moving Group"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.0050","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":"sha256:92a5818b18ade6691096245bad7aaffd4c97275ac209bbf46091c182c9e41f9e","target":"record","created_at":"2026-05-18T01:44:21Z","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":"20e4ead2b02793e0b51c450efd9d98a7210cce193ab86e8f8535ca553ed41d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-03-01T06:25:45Z","title_canon_sha256":"e5ac1a1024bdf236602d8c710a577688aa372a60682c4e96110c571fce151c95"},"schema_version":"1.0","source":{"id":"1403.0050","kind":"arxiv","version":1}},"canonical_sha256":"a561ce7d9ab627256e74248576eb23cffe736782462827f7da1f5d946ad45b46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a561ce7d9ab627256e74248576eb23cffe736782462827f7da1f5d946ad45b46","first_computed_at":"2026-05-18T01:44:21.632243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:21.632243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ftEVfsuhqVevv42W74QaBJkBTf8G6vqAK9gY6XZrAsBx44K3pIB2lqcJV98MP9ZE1tVivPjiSEL3pIcVrRIWCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:21.632806Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.0050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92a5818b18ade6691096245bad7aaffd4c97275ac209bbf46091c182c9e41f9e","sha256:587ddc47de058110dbaa92ffedbe543ee28ded853c34d1aba9d94107ca3b9210"],"state_sha256":"c6097b2379bcf2c9c756abddc88b64d01f4e24849c2cd5ae147e69c61ebdabd2"}