{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:D7QK2XNUQAFFYYTN7G336QVXI7","short_pith_number":"pith:D7QK2XNU","schema_version":"1.0","canonical_sha256":"1fe0ad5db4800a5c626df9b7bf42b747efeb8007c1e7dbb3ee81d7f10ffb1fc1","source":{"kind":"arxiv","id":"1902.01611","version":2},"attestation_state":"computed","paper":{"title":"The Escape Fraction of Ionizing Photons During the Epoch of Reionization: observability with the Square Kilometre Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Anne Hutter, Darren Croton, Jacob Seiler, Manodeep Sinha","submitted_at":"2019-02-05T09:42:34Z","abstract_excerpt":"One of the most important parameters in characterizing the Epoch of Reionization, the escape fraction of ionizing photons, $f_\\mathrm{esc}$, remains unconstrained both observationally and theoretically. With recent work highlighting the impact of galaxy-scale feedback on the instantaneous value of $f_\\mathrm{esc}$, it is important to develop a model in which reionization is self-consistently coupled to galaxy evolution. In this work, we present such a model and explore how physically motivated functional forms of $f_\\mathrm{esc}$ affect the evolution of ionized hydrogen within the intergalacti"},"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":"1902.01611","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-05T09:42:34Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"65f2ec38edce4785ddff3a774bc8084b419b40a58b9f2545abc50c3a26acccf2","abstract_canon_sha256":"3770f0c6a5b3ff461cc565c73c0d4478569ceff2099679bd3cda50782fd24fc0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:39.066993Z","signature_b64":"dnnStUMT6hxYvrClhlKMduQZ+HSNwHmW+XCsW4WVROSj+ViZ3AmbXo9YgfMrbEzQpRFL+/SxcBVa0q2tvOR6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fe0ad5db4800a5c626df9b7bf42b747efeb8007c1e7dbb3ee81d7f10ffb1fc1","last_reissued_at":"2026-05-17T23:40:39.066550Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:39.066550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Escape Fraction of Ionizing Photons During the Epoch of Reionization: observability with the Square Kilometre Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Anne Hutter, Darren Croton, Jacob Seiler, Manodeep Sinha","submitted_at":"2019-02-05T09:42:34Z","abstract_excerpt":"One of the most important parameters in characterizing the Epoch of Reionization, the escape fraction of ionizing photons, $f_\\mathrm{esc}$, remains unconstrained both observationally and theoretically. With recent work highlighting the impact of galaxy-scale feedback on the instantaneous value of $f_\\mathrm{esc}$, it is important to develop a model in which reionization is self-consistently coupled to galaxy evolution. In this work, we present such a model and explore how physically motivated functional forms of $f_\\mathrm{esc}$ affect the evolution of ionized hydrogen within the intergalacti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01611","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":"1902.01611","created_at":"2026-05-17T23:40:39.066617+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.01611v2","created_at":"2026-05-17T23:40:39.066617+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01611","created_at":"2026-05-17T23:40:39.066617+00:00"},{"alias_kind":"pith_short_12","alias_value":"D7QK2XNUQAFF","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"D7QK2XNUQAFFYYTN","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"D7QK2XNU","created_at":"2026-05-18T12:33:15.570797+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7","json":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7.json","graph_json":"https://pith.science/api/pith-number/D7QK2XNUQAFFYYTN7G336QVXI7/graph.json","events_json":"https://pith.science/api/pith-number/D7QK2XNUQAFFYYTN7G336QVXI7/events.json","paper":"https://pith.science/paper/D7QK2XNU"},"agent_actions":{"view_html":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7","download_json":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7.json","view_paper":"https://pith.science/paper/D7QK2XNU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.01611&json=true","fetch_graph":"https://pith.science/api/pith-number/D7QK2XNUQAFFYYTN7G336QVXI7/graph.json","fetch_events":"https://pith.science/api/pith-number/D7QK2XNUQAFFYYTN7G336QVXI7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7/action/storage_attestation","attest_author":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7/action/author_attestation","sign_citation":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7/action/citation_signature","submit_replication":"https://pith.science/pith/D7QK2XNUQAFFYYTN7G336QVXI7/action/replication_record"}},"created_at":"2026-05-17T23:40:39.066617+00:00","updated_at":"2026-05-17T23:40:39.066617+00:00"}