{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DBM3TIP6M4RBNDSYE5M53HVTAI","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":"d1f6b39a9fed21528d055da022b44e4d42f92a69caddb3f83fa7bde8dff99fd4","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T18:00:01Z","title_canon_sha256":"7751e68208274aa3807d57ad13c6944c0524e17dafab71c9dd8c1e04f5efea05"},"schema_version":"1.0","source":{"id":"1807.06017","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.06017","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"arxiv_version","alias_value":"1807.06017v2","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06017","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"pith_short_12","alias_value":"DBM3TIP6M4RB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DBM3TIP6M4RBNDSY","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DBM3TIP6","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:06bf84ab8dcef2384f13274ac0e4801d06c85f0a40f755be1e8a1e2b7ebc86a4","target":"graph","created_at":"2026-05-18T00:07:06Z","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":"M dwarf stars are exciting targets for exoplanet investigations; however, their fundamental stellar properties are difficult to measure. Perhaps the most challenging property to measure is stellar age. Once on the main sequence, M dwarfs change imperceptibly in their temperature and luminosity, necessitating novel statistical techniques for estimating their ages. In this paper, we infer ages for known eccentric-planet-hosting M dwarfs using a combination of kinematics and $\\alpha$-element-enrichment, both shown to correlate with age for Sun-like FGK stars. We calibrate our method on FGK stars ","authors_text":"Mark J. Veyette, Philip S. Muirhead","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T18:00:01Z","title":"Chemo-kinematic ages of eccentric-planet-hosting M dwarf stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06017","kind":"arxiv","version":2},"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":"sha256:770abb53fff3af3d9d9bc4820926720d426d1c7c708a3c3acb14c6ea0e3b10bb","target":"record","created_at":"2026-05-18T00:07:06Z","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":"d1f6b39a9fed21528d055da022b44e4d42f92a69caddb3f83fa7bde8dff99fd4","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T18:00:01Z","title_canon_sha256":"7751e68208274aa3807d57ad13c6944c0524e17dafab71c9dd8c1e04f5efea05"},"schema_version":"1.0","source":{"id":"1807.06017","kind":"arxiv","version":2}},"canonical_sha256":"1859b9a1fe6722168e582759dd9eb302368e2df4b519ff0f8c3afb3c75d0a546","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1859b9a1fe6722168e582759dd9eb302368e2df4b519ff0f8c3afb3c75d0a546","first_computed_at":"2026-05-18T00:07:06.032594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:06.032594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Ss8RNWN0JMeODG/tbuF+eniuky2ZdZhxmcQHznZ7KbA/Ze5pyAGAWV2+PJpBW15ujiQdwoalRoi8mV53A8mAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:06.033157Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.06017","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:770abb53fff3af3d9d9bc4820926720d426d1c7c708a3c3acb14c6ea0e3b10bb","sha256:06bf84ab8dcef2384f13274ac0e4801d06c85f0a40f755be1e8a1e2b7ebc86a4"],"state_sha256":"212562f342cb56413ff20af83b27e34ac0387c9e7dd59661d926106fc66b46e6"}