{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GGGOB2TO37HPAVDXLHWYVER63V","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":"940863f6cd438d006dd03a802b9b1c5ac1f5c01ae439090e6805731b02a8b3ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-16T18:35:11Z","title_canon_sha256":"d772528e49e5e83db836730380a853b284c8531672603e9927faa106b8eef7ce"},"schema_version":"1.0","source":{"id":"1606.05309","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05309","created_at":"2026-05-18T00:59:24Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05309v2","created_at":"2026-05-18T00:59:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05309","created_at":"2026-05-18T00:59:24Z"},{"alias_kind":"pith_short_12","alias_value":"GGGOB2TO37HP","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GGGOB2TO37HPAVDX","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GGGOB2TO","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:94c0e302469c1c1da147cc91e2df6db337002bf38fa5c4390ceb3deb5588d83e","target":"graph","created_at":"2026-05-18T00:59:24Z","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":"The fraction of ionizing photons escaping from high-redshift star-forming galaxies remains a key obstacle in evaluating whether galaxies were the primary agents of cosmic reionization. We previously proposed using the covering fraction of low-ionization gas, measured via deep absorption line spectroscopy, as a proxy. We now present a significant update, sampling seven gravitationally-lensed sources at $4<z<5$. We show that the absorbing gas in our sources is spatially inhomogeneous with a median covering fraction of 66\\%. Correcting for reddening according to a dust-in-cloud model, this implie","authors_text":"Adi Zitrin, Daniel P. Stark, Nicha Leethochawalit, Richard S. Ellis, Tucker A. Jones","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-16T18:35:11Z","title":"Absorption Line Spectroscopy of Gravitationally-Lensed Galaxies: Further Constraints on the Escape Fraction of Ionizing Photons at High Redshift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05309","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:bd183d11630458c4e1416237f4872b97eca89025012439182fec51d4068f7369","target":"record","created_at":"2026-05-18T00:59:24Z","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":"940863f6cd438d006dd03a802b9b1c5ac1f5c01ae439090e6805731b02a8b3ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-16T18:35:11Z","title_canon_sha256":"d772528e49e5e83db836730380a853b284c8531672603e9927faa106b8eef7ce"},"schema_version":"1.0","source":{"id":"1606.05309","kind":"arxiv","version":2}},"canonical_sha256":"318ce0ea6edfcef0547759ed8a923edd4a84b0daa5444ac80cef03565ea55eac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"318ce0ea6edfcef0547759ed8a923edd4a84b0daa5444ac80cef03565ea55eac","first_computed_at":"2026-05-18T00:59:24.768815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:24.768815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Nl7Q/IdP1fcWEdTb+wD+ntjaDmLkP5yoBC7K5m6A0/lXp5DP7RMvXRHuYE2j3wxDNyiIkKSQXyBZvTvpw10CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:24.769421Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.05309","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd183d11630458c4e1416237f4872b97eca89025012439182fec51d4068f7369","sha256:94c0e302469c1c1da147cc91e2df6db337002bf38fa5c4390ceb3deb5588d83e"],"state_sha256":"a2dc99e4207ec69e37b6e668ef72463f71039347c8c6199d7885ea7b75db56c2"}