{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3H5P6TAQ36EEGX2CCCODYVUYHY","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":"8c232a8dd3d159a86f7e8a70583c20323ae4e2ee7737bede7659225209214930","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-14T23:01:46Z","title_canon_sha256":"6aa1201d6632808afd112aac2279d67716ce9e84ccf66f12d96278a3925e8092"},"schema_version":"1.0","source":{"id":"1111.3386","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.3386","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"arxiv_version","alias_value":"1111.3386v3","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3386","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"pith_short_12","alias_value":"3H5P6TAQ36EE","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3H5P6TAQ36EEGX2C","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3H5P6TAQ","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:9cb335214cf8ec42965107eb3c1e352c25c33e4d4cbffd71a72b50980196c92b","target":"graph","created_at":"2026-05-18T03:10:12Z","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 present a spectroscopically confirmed sample of Lyman alpha emitting galaxies (LAEs) at z ~ 4.5 in the Extended Chandra Deep Field South (ECDFS), which we combine with a sample of z ~ 4.5 LAEs from the Large Area Lyman Alpha (LALA) survey to build a unified Lya luminosity function (LF). We spectroscopically observed 64 candidate LAEs in the ECDFS, confirming 46 objects as z~4.5 LAEs. We did not detect significant flux from neither C_iv 1549\\AA\\ nor the He_ii 1640\\AA\\ emission in individual LAE spectra, even with a coadded spectrum. With the coadded line ratio of He_ii to Lya constraining th","authors_text":"James E. Rhoads, Jun-Xian Wang, Keely Finkelstein, Lifang Xia, Neal Miller, Pascale Hibon, Sangeeta Malhotra, Steven L. Finkelstein, Vithal Tilvi, Zhen-Ya Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-14T23:01:46Z","title":"Lyman alpha Luminosity Functions at Redshift z = 4.5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3386","kind":"arxiv","version":3},"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":"sha256:9c3d68bb9ea94e91c63d59ba5b825169ca70212b184fc1b51fa8fb220eb20780","target":"record","created_at":"2026-05-18T03:10:12Z","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":"8c232a8dd3d159a86f7e8a70583c20323ae4e2ee7737bede7659225209214930","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-14T23:01:46Z","title_canon_sha256":"6aa1201d6632808afd112aac2279d67716ce9e84ccf66f12d96278a3925e8092"},"schema_version":"1.0","source":{"id":"1111.3386","kind":"arxiv","version":3}},"canonical_sha256":"d9faff4c10df88435f42109c3c56983e00e4688aebd5d7690d1a86019788d5fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9faff4c10df88435f42109c3c56983e00e4688aebd5d7690d1a86019788d5fc","first_computed_at":"2026-05-18T03:10:12.356220Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:10:12.356220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6p64z8uaenSt2GH/A7fs0CtA6FnFox3bebUOLkWmJ/D7CwKNc2Yb/Jxgn3V1YwRrpI7MewDFzvQ3EEoyWMkbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:10:12.356818Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.3386","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c3d68bb9ea94e91c63d59ba5b825169ca70212b184fc1b51fa8fb220eb20780","sha256:9cb335214cf8ec42965107eb3c1e352c25c33e4d4cbffd71a72b50980196c92b"],"state_sha256":"7dec91fe1d36cb356c9fecf306dbc03726823b67be80a2ff4e1e74fc13451d24"}