{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:EGMNGJQAJVTGONGGEYAIBJGOMS","short_pith_number":"pith:EGMNGJQA","schema_version":"1.0","canonical_sha256":"2198d326004d666734c6260080a4ce6485b7b6a31ad772fde3af78e3fb9fe62a","source":{"kind":"arxiv","id":"2508.21069","version":1},"attestation_state":"computed","paper":{"title":"Rapid late-time reionization: constraints and cosmological implications","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Willem Elbers","submitted_at":"2025-08-28T17:59:51Z","abstract_excerpt":"We present constraints on the reionization optical depth, $\\tau$, obtained using several independent methods. First, we perform a non-parametric reconstruction of the reionization history, using Lyman-$\\alpha$ constraints on the evolution of the volume-averaged neutral hydrogen fraction, $x_\\mathrm{HI}(z)$, including recent results from the James Webb Space Telescope. When combined with baryon acoustic oscillation (BAO) measurements from DESI and Big Bang nucleosynthesis constraints, these data imply a rapid reionization history ($z_\\mathrm{mid}=7.00^{+0.12}_{-0.18}$ and $\\Delta z_{50}=1.12^{+"},"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":"2508.21069","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-08-28T17:59:51Z","cross_cats_sorted":[],"title_canon_sha256":"cafa55cffba2dc480201eb32a1c52b513753d30f78d72fe5e7a2468f7aaac99d","abstract_canon_sha256":"a35780f5cb9a9e82f4975644af3e93f5680f2793787f0539a623db1a189883f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:01:16.161609Z","signature_b64":"g5b+okhvdwcQqvpqMulk0sL/LZ8w7lgDYz74EYLHaNlzRHaaiINsbqGHlFHLXj1IswYOOlVKQO3yufz3xHvhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2198d326004d666734c6260080a4ce6485b7b6a31ad772fde3af78e3fb9fe62a","last_reissued_at":"2026-07-05T12:01:16.159413Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:01:16.159413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Rapid late-time reionization: constraints and cosmological implications","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Willem Elbers","submitted_at":"2025-08-28T17:59:51Z","abstract_excerpt":"We present constraints on the reionization optical depth, $\\tau$, obtained using several independent methods. First, we perform a non-parametric reconstruction of the reionization history, using Lyman-$\\alpha$ constraints on the evolution of the volume-averaged neutral hydrogen fraction, $x_\\mathrm{HI}(z)$, including recent results from the James Webb Space Telescope. When combined with baryon acoustic oscillation (BAO) measurements from DESI and Big Bang nucleosynthesis constraints, these data imply a rapid reionization history ($z_\\mathrm{mid}=7.00^{+0.12}_{-0.18}$ and $\\Delta z_{50}=1.12^{+"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.21069","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.21069/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2508.21069","created_at":"2026-07-05T12:01:16.159481+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.21069v1","created_at":"2026-07-05T12:01:16.159481+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.21069","created_at":"2026-07-05T12:01:16.159481+00:00"},{"alias_kind":"pith_short_12","alias_value":"EGMNGJQAJVTG","created_at":"2026-07-05T12:01:16.159481+00:00"},{"alias_kind":"pith_short_16","alias_value":"EGMNGJQAJVTGONGG","created_at":"2026-07-05T12:01:16.159481+00:00"},{"alias_kind":"pith_short_8","alias_value":"EGMNGJQA","created_at":"2026-07-05T12:01:16.159481+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.07777","citing_title":"The Status of Single Scalar Field Dark Energy","ref_index":81,"is_internal_anchor":true},{"citing_arxiv_id":"2606.19449","citing_title":"A self-consistent analytical model for both the photoionization rate and reionization history","ref_index":112,"is_internal_anchor":false},{"citing_arxiv_id":"2606.19459","citing_title":"Fireworks at Cosmic Dawn: relieving BAO-CMB tensions with the Pop III.1 Flash","ref_index":21,"is_internal_anchor":false},{"citing_arxiv_id":"2605.18939","citing_title":"The Lumina Project: CMB Optical Depth Fluctuations from Patchy Reionization","ref_index":45,"is_internal_anchor":false},{"citing_arxiv_id":"2604.13423","citing_title":"Into the Gompverse: A robust Gompertzian reionization model for CMB analyses","ref_index":62,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS","json":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS.json","graph_json":"https://pith.science/api/pith-number/EGMNGJQAJVTGONGGEYAIBJGOMS/graph.json","events_json":"https://pith.science/api/pith-number/EGMNGJQAJVTGONGGEYAIBJGOMS/events.json","paper":"https://pith.science/paper/EGMNGJQA"},"agent_actions":{"view_html":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS","download_json":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS.json","view_paper":"https://pith.science/paper/EGMNGJQA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.21069&json=true","fetch_graph":"https://pith.science/api/pith-number/EGMNGJQAJVTGONGGEYAIBJGOMS/graph.json","fetch_events":"https://pith.science/api/pith-number/EGMNGJQAJVTGONGGEYAIBJGOMS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS/action/storage_attestation","attest_author":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS/action/author_attestation","sign_citation":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS/action/citation_signature","submit_replication":"https://pith.science/pith/EGMNGJQAJVTGONGGEYAIBJGOMS/action/replication_record"}},"created_at":"2026-07-05T12:01:16.159481+00:00","updated_at":"2026-07-05T12:01:16.159481+00:00"}