{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KPI5FDLRFCTNWOAIGHN7DWISDS","short_pith_number":"pith:KPI5FDLR","canonical_record":{"source":{"id":"1806.11284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-29T07:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"b80c4ad49127653045013fb7b521d83353c14adb51eee71ac49973d686c18637","abstract_canon_sha256":"688796733bf4e73407ceaf07510b9b80d5512aba3580bf4030c310481ac3268c"},"schema_version":"1.0"},"canonical_sha256":"53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37","source":{"kind":"arxiv","id":"1806.11284","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.11284","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1806.11284v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.11284","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"KPI5FDLRFCTN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KPI5FDLRFCTNWOAI","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KPI5FDLR","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KPI5FDLRFCTNWOAIGHN7DWISDS","target":"record","payload":{"canonical_record":{"source":{"id":"1806.11284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-29T07:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"b80c4ad49127653045013fb7b521d83353c14adb51eee71ac49973d686c18637","abstract_canon_sha256":"688796733bf4e73407ceaf07510b9b80d5512aba3580bf4030c310481ac3268c"},"schema_version":"1.0"},"canonical_sha256":"53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:36.900821Z","signature_b64":"LKIpTaQhyTwP9Nj13dNsOd8ZXI5rTb9wsUy8ZjwtUREk+OoNcxbObb0DOXVKpRZP09fA5V8UDabZvyb7vHZFCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37","last_reissued_at":"2026-05-18T00:10:36.900386Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:36.900386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.11284","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sj3zGsHQIBDR3hCuiJqYKYWZoA6GI7ILwh7OI3VGWwFjG2bLBArQ3n46mEyIq1hARdlinI3gHzRBkxC6UfIRAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:46:12.247044Z"},"content_sha256":"d4cc067adc2c9997cbbefe0d7e13ed0febcf18d6574ce56759f2a627fa9bccfb","schema_version":"1.0","event_id":"sha256:d4cc067adc2c9997cbbefe0d7e13ed0febcf18d6574ce56759f2a627fa9bccfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KPI5FDLRFCTNWOAIGHN7DWISDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Indirect Influence of Quasars on Reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anne Hutter, Darren Croton, Jacob Seiler, Manodeep Sinha","submitted_at":"2018-06-29T07:31:37Z","abstract_excerpt":"The exact role of quasars during the Epoch of Reionization remains uncertain. With consensus leaning towards quasars producing a negligible amount of ionizing photons, we pose an alternate question: Can quasars indirectly contribute to reionization by allowing ionizing photons from stars to escape more easily? Using the Semi-Analytic Galaxy Evolution model to evolve a galaxy population through cosmic time, we construct an idealized scenario in which the escape fraction of stellar ionizing photons ($f_\\mathrm{esc}$) is boosted following quasar wind events, potentially for several dynamical time"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.11284","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eBgBMaejUh5pQW3TDz40NFutHvpJoMNp0wWWZWddfcMmuIRXYlF7OlSwNMTAZbi0tIwffFGcM4bnf6SLs8PvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:46:12.247398Z"},"content_sha256":"59062e0d2538a578ad03186b306975f03071e15acced866a04d7886f2c7037cb","schema_version":"1.0","event_id":"sha256:59062e0d2538a578ad03186b306975f03071e15acced866a04d7886f2c7037cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/bundle.json","state_url":"https://pith.science/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T06:46:12Z","links":{"resolver":"https://pith.science/pith/KPI5FDLRFCTNWOAIGHN7DWISDS","bundle":"https://pith.science/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/bundle.json","state":"https://pith.science/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KPI5FDLRFCTNWOAIGHN7DWISDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KPI5FDLRFCTNWOAIGHN7DWISDS","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":"688796733bf4e73407ceaf07510b9b80d5512aba3580bf4030c310481ac3268c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-29T07:31:37Z","title_canon_sha256":"b80c4ad49127653045013fb7b521d83353c14adb51eee71ac49973d686c18637"},"schema_version":"1.0","source":{"id":"1806.11284","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.11284","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1806.11284v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.11284","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"KPI5FDLRFCTN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KPI5FDLRFCTNWOAI","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KPI5FDLR","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:59062e0d2538a578ad03186b306975f03071e15acced866a04d7886f2c7037cb","target":"graph","created_at":"2026-05-18T00:10:36Z","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 exact role of quasars during the Epoch of Reionization remains uncertain. With consensus leaning towards quasars producing a negligible amount of ionizing photons, we pose an alternate question: Can quasars indirectly contribute to reionization by allowing ionizing photons from stars to escape more easily? Using the Semi-Analytic Galaxy Evolution model to evolve a galaxy population through cosmic time, we construct an idealized scenario in which the escape fraction of stellar ionizing photons ($f_\\mathrm{esc}$) is boosted following quasar wind events, potentially for several dynamical time","authors_text":"Anne Hutter, Darren Croton, Jacob Seiler, Manodeep Sinha","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-29T07:31:37Z","title":"The Indirect Influence of Quasars on Reionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.11284","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:d4cc067adc2c9997cbbefe0d7e13ed0febcf18d6574ce56759f2a627fa9bccfb","target":"record","created_at":"2026-05-18T00:10:36Z","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":"688796733bf4e73407ceaf07510b9b80d5512aba3580bf4030c310481ac3268c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-29T07:31:37Z","title_canon_sha256":"b80c4ad49127653045013fb7b521d83353c14adb51eee71ac49973d686c18637"},"schema_version":"1.0","source":{"id":"1806.11284","kind":"arxiv","version":1}},"canonical_sha256":"53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37","first_computed_at":"2026-05-18T00:10:36.900386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:36.900386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LKIpTaQhyTwP9Nj13dNsOd8ZXI5rTb9wsUy8ZjwtUREk+OoNcxbObb0DOXVKpRZP09fA5V8UDabZvyb7vHZFCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:36.900821Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.11284","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4cc067adc2c9997cbbefe0d7e13ed0febcf18d6574ce56759f2a627fa9bccfb","sha256:59062e0d2538a578ad03186b306975f03071e15acced866a04d7886f2c7037cb"],"state_sha256":"22fb0dd260261459eb58a3c29a9e77d93fc373023530ea3ec861c996bcd636ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lEvCv0XWuB/UfgnSHPQkPws5YnPQhjZa0dPVPXan4bRtz5HugLFmworBaOg0nt0unP/47regw/CTUW8gL0TwCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:46:12.249201Z","bundle_sha256":"b674f07db18d9c7fc30190be88148eee16add8955fd136e580809f82e1ce13d4"}}