{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:B74FMXCYTHFXJNHAPXXTAQRLIT","short_pith_number":"pith:B74FMXCY","schema_version":"1.0","canonical_sha256":"0ff8565c5899cb74b4e07def30422b44e733bf9b4d1e3e3fe8a76571582b97fb","source":{"kind":"arxiv","id":"1902.02792","version":2},"attestation_state":"computed","paper":{"title":"Conditions for Reionizing the Universe with A Low Galaxy Ionizing Photon Escape Fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Anson D'Aloisio (UC Riverside), Claudio Dalla Vecchia (Universidad de La Laguna), Jan-Pieter Paardekooper (Heidelberg), Kristian Finlator (NMSU), Peter Behroozi (Arizona), Phoebe R. Upton Sanderbeck (Washington), Rachael Livermore (Melbourne), Russell Ryan Jr. (STScI), Sadegh Khochfar (Edinburgh), Steven L. Finkelstein (UT Austin)","submitted_at":"2019-02-07T19:00:02Z","abstract_excerpt":"We explore scenarios for reionizing the intergalactic medium with low galaxy ionizing photon escape fractions. We combine simulation-based halo-mass dependent escape fractions with an extrapolation of the observed galaxy rest-ultraviolet luminosity functions to solve for the reionization history from z=20 to z=4. We explore the posterior distributions for key unknown quantities, including the limiting halo mass for star-formation, the ionizing photon production efficiency, and a potential contribution from active galactic nuclei (AGN). We marginalize over the allowable parameter space using a "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1902.02792","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-02-07T19:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"adc049325123bcff21c663e092d6d8399c24b5cb3e92f85b3427f8ab280c3971","abstract_canon_sha256":"1d7e54ba251bc7116f8f999a3958ec34e445124c2625cc19e578fb6d779e5076"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:12.091003Z","signature_b64":"WA842SuxLOimDyCgBvshLPb6oJTg2VQYkuTISgW7ZHJ9xqDOzCHaD84Zp+M5RLW8u9NJrgi83WUE5RgRNxJuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ff8565c5899cb74b4e07def30422b44e733bf9b4d1e3e3fe8a76571582b97fb","last_reissued_at":"2026-05-17T23:41:12.090460Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:12.090460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Conditions for Reionizing the Universe with A Low Galaxy Ionizing Photon Escape Fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Anson D'Aloisio (UC Riverside), Claudio Dalla Vecchia (Universidad de La Laguna), Jan-Pieter Paardekooper (Heidelberg), Kristian Finlator (NMSU), Peter Behroozi (Arizona), Phoebe R. Upton Sanderbeck (Washington), Rachael Livermore (Melbourne), Russell Ryan Jr. (STScI), Sadegh Khochfar (Edinburgh), Steven L. Finkelstein (UT Austin)","submitted_at":"2019-02-07T19:00:02Z","abstract_excerpt":"We explore scenarios for reionizing the intergalactic medium with low galaxy ionizing photon escape fractions. We combine simulation-based halo-mass dependent escape fractions with an extrapolation of the observed galaxy rest-ultraviolet luminosity functions to solve for the reionization history from z=20 to z=4. We explore the posterior distributions for key unknown quantities, including the limiting halo mass for star-formation, the ionizing photon production efficiency, and a potential contribution from active galactic nuclei (AGN). We marginalize over the allowable parameter space using a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02792","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1902.02792","created_at":"2026-05-17T23:41:12.090535+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.02792v2","created_at":"2026-05-17T23:41:12.090535+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02792","created_at":"2026-05-17T23:41:12.090535+00:00"},{"alias_kind":"pith_short_12","alias_value":"B74FMXCYTHFX","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"B74FMXCYTHFXJNHA","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"B74FMXCY","created_at":"2026-05-18T12:33:12.712433+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.13472","citing_title":"First Light And Reionization Epoch Simulations (FLARES) XXI: The UV Indices of Galaxies in the Early Universe","ref_index":227,"is_internal_anchor":true},{"citing_arxiv_id":"2604.10726","citing_title":"Reionization Topology as a Probe of Self-Interacting Dark Matter","ref_index":45,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT","json":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT.json","graph_json":"https://pith.science/api/pith-number/B74FMXCYTHFXJNHAPXXTAQRLIT/graph.json","events_json":"https://pith.science/api/pith-number/B74FMXCYTHFXJNHAPXXTAQRLIT/events.json","paper":"https://pith.science/paper/B74FMXCY"},"agent_actions":{"view_html":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT","download_json":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT.json","view_paper":"https://pith.science/paper/B74FMXCY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.02792&json=true","fetch_graph":"https://pith.science/api/pith-number/B74FMXCYTHFXJNHAPXXTAQRLIT/graph.json","fetch_events":"https://pith.science/api/pith-number/B74FMXCYTHFXJNHAPXXTAQRLIT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT/action/storage_attestation","attest_author":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT/action/author_attestation","sign_citation":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT/action/citation_signature","submit_replication":"https://pith.science/pith/B74FMXCYTHFXJNHAPXXTAQRLIT/action/replication_record"}},"created_at":"2026-05-17T23:41:12.090535+00:00","updated_at":"2026-05-17T23:41:12.090535+00:00"}