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The average LAE is consistent with the extreme low-metallicity end of the continuum-selected galaxy distribution at $z\\approx2-3$. In particular, the LAEs have extremely high [OIII] $\\lambda$5008/H$\\beta$ ratios (log([OIII]/H$\\beta$) $\\sim$ 0.8) and low [NII] $\\lambda$6585/H$\\alpha$ ratios (log([NII]/H$\\alpha$) $<-1.15$). Using the [OIII] $\\lambda$4364 auroral line, we find that the star-forming regions in faint LAEs are characterized by high electron tempe"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1608.07280","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-25T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e493a83b28d8483a4c5534fb58a95f2873403c1570799ad19ca3be46e066c28a","abstract_canon_sha256":"75fcd1b318081136104faf1f6d3cb0e7cbf0b89d37174fd7980ce5c53fcdfd5a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:12.367925Z","signature_b64":"nrKfh/WNdnoyZFn92TAMsFJEXezSWGTQFWm8JJDRtk98tTdlAyNJms2t7EYNTpaqldOyM098SzHGuqprII5ZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d20a80e0672a468da4289598173e4ea78826e50ce025ca5933847307013da0ef","last_reissued_at":"2026-05-18T00:55:12.367480Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:12.367480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Rest-Frame Optical Spectroscopic Properties of Ly$\\alpha$-Emitters at $z\\sim2.5$: The Physical Origins of Strong Ly$\\alpha$ Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Allison L. 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