{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3ZL4E44CI7FMQPRRPDODX6XJAL","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":"fdd4cdd3367e4c459edc9e7617a30e99158302de2546c99001faae77703bd3e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-08T20:00:00Z","title_canon_sha256":"4833e670cb88c65431147526ece0ee9d885cbbc6772fa95e5e54eb0bd7b25086"},"schema_version":"1.0","source":{"id":"1109.1819","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1819","created_at":"2026-05-18T02:00:37Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1819v2","created_at":"2026-05-18T02:00:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1819","created_at":"2026-05-18T02:00:37Z"},{"alias_kind":"pith_short_12","alias_value":"3ZL4E44CI7FM","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3ZL4E44CI7FMQPRR","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3ZL4E44C","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:29e6cefc75fbb469c4628e4ae6370a45201c80b743e09f974a8c5fd0584ec84e","target":"graph","created_at":"2026-05-18T02:00:37Z","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 stellar parameters for late-K and M-type planet-candidate host stars announced by the Kepler Mission. We obtained medium-resolution, K-band spectra of 84 cool (Teff < 4400 K) Kepler Objects of Interest (KOIs) from Borucki et al. We identified one object as a giant (KOI 977); for the remaining dwarfs, we measured effective temperatures (Teff) and metallicities ([M/H]) using the K-band spectral indices of Rojas-Ayala et al. We determine the masses and radii of the cool KOIs by interpolation onto the Dartmouth evolutionary isochrones. The resultant stellar radii are significantly less t","authors_text":"B\\'arbara Rojas-Ayala, Everett Schlawin, James P. Lloyd, Katherine Hamren, Kevin R. Covey, Philip S. Muirhead","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-08T20:00:00Z","title":"Characterizing the Cool Kepler Objects of Interest. New Effective Temperatures, Metallicities, Masses and Radii of Low-Mass Kepler Planet-Candidate Host Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1819","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:f4ca4b0e11901ecbf5a53856dc53e791c27ca71eaace3ce2e8794940e4fd866d","target":"record","created_at":"2026-05-18T02:00:37Z","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":"fdd4cdd3367e4c459edc9e7617a30e99158302de2546c99001faae77703bd3e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-08T20:00:00Z","title_canon_sha256":"4833e670cb88c65431147526ece0ee9d885cbbc6772fa95e5e54eb0bd7b25086"},"schema_version":"1.0","source":{"id":"1109.1819","kind":"arxiv","version":2}},"canonical_sha256":"de57c2738247cac83e3178dc3bfae902fe00215348e5b70ef710ab238726b79c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de57c2738247cac83e3178dc3bfae902fe00215348e5b70ef710ab238726b79c","first_computed_at":"2026-05-18T02:00:37.680098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:37.680098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dSUkBxDJb29UTCagwlG0+ogiPf/SYJMvtfaqz/oP44iRZ+Xp5AvIV/m1clotlQLotRWiO/cuOBXNIBPpEKFjDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:37.680743Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.1819","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4ca4b0e11901ecbf5a53856dc53e791c27ca71eaace3ce2e8794940e4fd866d","sha256:29e6cefc75fbb469c4628e4ae6370a45201c80b743e09f974a8c5fd0584ec84e"],"state_sha256":"45b19fa42a97a7da8704813a31da4ee286aed5980752bf0f7bcde4a6f12cda8f"}