{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ECKUFFNZ6NP4SVRM42OGS7VF72","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":"d75fc563382883ee3d2731605b9eefac7f22075253fb330405f9f2ec304aa1a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-17T18:00:00Z","title_canon_sha256":"ec422c00db4b525d38dacb4f5545fd81257d7afd6f9a376fac8d2c64103cfedd"},"schema_version":"1.0","source":{"id":"1809.06374","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.06374","created_at":"2026-05-17T23:52:05Z"},{"alias_kind":"arxiv_version","alias_value":"1809.06374v2","created_at":"2026-05-17T23:52:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.06374","created_at":"2026-05-17T23:52:05Z"},{"alias_kind":"pith_short_12","alias_value":"ECKUFFNZ6NP4","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"ECKUFFNZ6NP4SVRM","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"ECKUFFNZ","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:e8fbb66183229291418d8ca4c9e5d7bd4f498125664dbfb0e21c919cba6d0bd0","target":"graph","created_at":"2026-05-17T23:52:05Z","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":"High-redshift QSO spectra show large spatial fluctuations in the Ly-alpha opacity of the intergalactic medium on surprisingly large scales at z>~5.5. We present a radiative transfer simulation of cosmic reionization driven by galaxies that reproduces this large scatter and the rapid evolution of the Ly-alpha opacity distribution at 5<z<6. The simulation also reproduces the low Thomson scattering optical depth reported by the latest CMB measurement and is consistent with the observed short near-zones and strong red damping wings in the highest-redshift QSOs. It also matches the rapid disappeara","authors_text":"Dominique Aubert, Ewald Puchwein, Girish Kulkarni, Jonathan Chardin, Laura C. Keating, Martin G. Haehnelt, Sarah E. I. Bosman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-17T18:00:00Z","title":"Large Lyman-alpha opacity fluctuations and low CMB tau in models of late reionization with large islands of neutral hydrogen extending to z<5.5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.06374","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":"sha256:6d2073945bcf5d1e72034207436140d7fd2bbc03b02e4e0ea1d6ce42bc2fe207","target":"record","created_at":"2026-05-17T23:52:05Z","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":"d75fc563382883ee3d2731605b9eefac7f22075253fb330405f9f2ec304aa1a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-17T18:00:00Z","title_canon_sha256":"ec422c00db4b525d38dacb4f5545fd81257d7afd6f9a376fac8d2c64103cfedd"},"schema_version":"1.0","source":{"id":"1809.06374","kind":"arxiv","version":2}},"canonical_sha256":"20954295b9f35fc9562ce69c697ea5fe8ce2eb2d491b1b506c489a2a33210975","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20954295b9f35fc9562ce69c697ea5fe8ce2eb2d491b1b506c489a2a33210975","first_computed_at":"2026-05-17T23:52:05.150404Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:05.150404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wduusWomaMv0ZEH4VJquS8PF6AlU13YjuOdGYGLCRddTTa+XEGHwkfV09sv+2FHgj+s1tsMYarZTEht6tvvjCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:05.150823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.06374","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d2073945bcf5d1e72034207436140d7fd2bbc03b02e4e0ea1d6ce42bc2fe207","sha256:e8fbb66183229291418d8ca4c9e5d7bd4f498125664dbfb0e21c919cba6d0bd0"],"state_sha256":"eba4dde628030e38575db200d7d604c66955796f38687d2fa940f30352ac5dd1"}