{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:LH7VTFGBJVHBCJBZDMZAMXYFM3","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":"aa1f9586571ffcf204d4dd5f347b2a25b21f5a6fadd97a65830ca584df289a18","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-19T20:00:12Z","title_canon_sha256":"073a90125ad69b2dadd5c213e71957fd37d70457001bdb131fdf4b56b3f5e183"},"schema_version":"1.0","source":{"id":"astro-ph/0609545","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0609545","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0609545v1","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0609545","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"LH7VTFGBJVHB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"LH7VTFGBJVHBCJBZ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"LH7VTFGB","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:f94ad04bfa44db74129b5f6476cee600354cd3f89ec57bde86fc8633bdf8436e","target":"graph","created_at":"2026-05-18T04:28:57Z","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":"Using results from high-resolution galaxy formation simulations in a standard Lambda-CDM cosmology and a fully conservative multi-resolution radiative transfer code around point sources, we compute the energy-dependent escape fraction of ionizing photons from a large number of star forming regions in two galaxies at five different redshifts from z=3.8 to 2.39. All escape fractions show a monotonic decline with time, from (at the Lyman-limit) ~6-10% at z=3.6 to ~1-2% at z=2.39, due to higher gas clumping at lower redshifts. It appears that increased feedback can lead to higher f_esc at z>3.4 vi","authors_text":"(2) DARK Cosmology Centre, Alexei O. Razoumov (1), Jesper Sommer-Larsen (2) ((1) Saint Mary's University, University of Copenhagen)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-09-19T20:00:12Z","title":"Escape of ionizing radiation from star forming regions in young galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0609545","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":"sha256:0fbab33f1c7e20e087d299a8db24e7d4d897b21f7e2d0767aaae9809a6c9033a","target":"record","created_at":"2026-05-18T04:28:57Z","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":"aa1f9586571ffcf204d4dd5f347b2a25b21f5a6fadd97a65830ca584df289a18","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-09-19T20:00:12Z","title_canon_sha256":"073a90125ad69b2dadd5c213e71957fd37d70457001bdb131fdf4b56b3f5e183"},"schema_version":"1.0","source":{"id":"astro-ph/0609545","kind":"arxiv","version":1}},"canonical_sha256":"59ff5994c14d4e1124391b32065f0566ff7f98c02d67750729fd486a485d664b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59ff5994c14d4e1124391b32065f0566ff7f98c02d67750729fd486a485d664b","first_computed_at":"2026-05-18T04:28:57.668102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:57.668102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/lFUcYWytuRgl9zCbBYtFfuCTHdmqMJJeR1MQPgviRDI6eONk9Y54in05E8FO7QTNE0C6DP7F/WcISDiMFiiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:57.668561Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0609545","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fbab33f1c7e20e087d299a8db24e7d4d897b21f7e2d0767aaae9809a6c9033a","sha256:f94ad04bfa44db74129b5f6476cee600354cd3f89ec57bde86fc8633bdf8436e"],"state_sha256":"271498b20633257a737e2961b1dd0e3df7c3b3c3feb2534d1111f551530fe59e"}