{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DHJC2WFJIPQD4HJC2KEEXHMCVZ","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":"e5bf95e86f737d0665f5b04790e74f605b367868c2a5039f2eedd05be682205c","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-20T12:19:23Z","title_canon_sha256":"a3de80a28c49cb685d5dfb343bf1cba13cb42d660fb042ec517305d4ef630a4e"},"schema_version":"1.0","source":{"id":"1612.06624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.06624","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1612.06624v1","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06624","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"DHJC2WFJIPQD","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DHJC2WFJIPQD4HJC","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DHJC2WFJ","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:a4923fb3bde2a2524ccbe51fd0676d101b448762b456792cca5e95db7c93bb0a","target":"graph","created_at":"2026-05-18T00:42:02Z","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":"Most of relatively warm, unevolved metal-poor stars ($T_{\\rm eff}\\gtrsim 5800\\,\\mathrm{K}$ and $[{\\rm Fe/H}]\\lesssim -1.5$) exhibit almost constant lithium abundances, irrespective of metallicity or effective temperature, and thus form the so-called Spite plateau. This was originally interpreted as arising from lithium created by the Big Bang nucleosynthesis. Recent observations, however, have revealed that ultra metal-poor stars (UMP stars; $[\\mathrm{Fe/H}]<-4.0$) have significantly lower lithium abundances than that of the plateau. Since most of the UMP stars are CEMP-no stars, carbon-enhanc","authors_text":"Haining Li, Tadafumi Matsuno, Takuma Suda, Wako Aoki","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-20T12:19:23Z","title":"Lithium in CEMP-no stars: A new constraint on the lithium depletion mechanism in the early universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06624","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":"sha256:7e63afc6698443acd40cbcb96f2b31c8c870d85babfc3eae1d506a94259773cc","target":"record","created_at":"2026-05-18T00:42:02Z","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":"e5bf95e86f737d0665f5b04790e74f605b367868c2a5039f2eedd05be682205c","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-20T12:19:23Z","title_canon_sha256":"a3de80a28c49cb685d5dfb343bf1cba13cb42d660fb042ec517305d4ef630a4e"},"schema_version":"1.0","source":{"id":"1612.06624","kind":"arxiv","version":1}},"canonical_sha256":"19d22d58a943e03e1d22d2884b9d82ae52b6043c6161cd054e5639dc282bbcea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19d22d58a943e03e1d22d2884b9d82ae52b6043c6161cd054e5639dc282bbcea","first_computed_at":"2026-05-18T00:42:02.288548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:02.288548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6SX60n8jK4DmMBvODhiUaMG9oCXpH3qfVQOcEiNKl5dumSPVCTuxV1CN1Vle90d6OPJrCQrAiaraw2zXuv/nBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:02.289105Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.06624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e63afc6698443acd40cbcb96f2b31c8c870d85babfc3eae1d506a94259773cc","sha256:a4923fb3bde2a2524ccbe51fd0676d101b448762b456792cca5e95db7c93bb0a"],"state_sha256":"23055a061e261ff278a565f874db1bd9a302b84de74188a397f61d4e720ff989"}