{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VKIOLP2C4AVFNOPOEO2CHPOK72","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":"da5245780bdb2073c4e7a610f73aba07289a16ccc71f0670de6a2c07c321ec85","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-25T20:00:05Z","title_canon_sha256":"9358fafcd6f7b2c54f403a15bb96b03417a7f9b1ebd71c68e3b513cea5f7deb3"},"schema_version":"1.0","source":{"id":"1403.6470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6470","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6470v1","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6470","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"pith_short_12","alias_value":"VKIOLP2C4AVF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VKIOLP2C4AVFNOPO","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VKIOLP2C","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:3c7bba9e827dfe1dd40b101c235e07cf2e4ca6e46af7e94b7bd111da5812c13a","target":"graph","created_at":"2026-05-18T01:43:51Z","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 investigate the gas-phase metallicity and Lyman Continuum (LyC) escape fraction of a strongly gravitationally lensed, extreme emission-line galaxy at z=3.417, J1000+0221S, recently discovered by the CANDELS team. We derive ionization and metallicity sensitive emission-line ratios from H+K band LBT/LUCI medium resolution spectroscopy. J1000+0221S shows high ionization conditions, as evidenced by its enhanced [OIII]/[OII] and [OIII]/Hbeta ratios. Consistently, strong-line methods based on the available line ratios suggest that J1000+0221S is an extremely metal-poor galaxy, with a metallicity ","authors_text":"A. Fontana, A. Grazian, A. van der Wel, E. Merlin, L. Pentericci, M. Castellano, M. Maseda, Ricardo Amor\\'in, V. Sommariva","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-25T20:00:05Z","title":"Evidence of very low metallicity and high ionization state in a strongly lensed, star-forming dwarf galaxy at z=3.417"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6470","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":"sha256:11947f3f80baf6f0f757bbe52f87eef9b066368822a955929c29460476f93674","target":"record","created_at":"2026-05-18T01:43:51Z","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":"da5245780bdb2073c4e7a610f73aba07289a16ccc71f0670de6a2c07c321ec85","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-25T20:00:05Z","title_canon_sha256":"9358fafcd6f7b2c54f403a15bb96b03417a7f9b1ebd71c68e3b513cea5f7deb3"},"schema_version":"1.0","source":{"id":"1403.6470","kind":"arxiv","version":1}},"canonical_sha256":"aa90e5bf42e02a56b9ee23b423bdcafea33e5f526b6966dab0284ac3ba251be4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa90e5bf42e02a56b9ee23b423bdcafea33e5f526b6966dab0284ac3ba251be4","first_computed_at":"2026-05-18T01:43:51.230778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:51.230778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8T2RXNbelrV2uk5G9FP5LuagCi21H5QU5dUJU4OF3bZohHLteEqLnse1nSyd5Xn4PRXasWSNhnTLy//eh3xtBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:51.231374Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.6470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11947f3f80baf6f0f757bbe52f87eef9b066368822a955929c29460476f93674","sha256:3c7bba9e827dfe1dd40b101c235e07cf2e4ca6e46af7e94b7bd111da5812c13a"],"state_sha256":"7b10b4a5d135d4e319fcdb37c3ee77db727a9b897361731a8e82d04a99cd4ec9"}