{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:XTWF5F4NJYVJJZV4RTEV7TMORK","short_pith_number":"pith:XTWF5F4N","schema_version":"1.0","canonical_sha256":"bcec5e978d4e2a94e6bc8cc95fcd8e8a9284cbbcbc055074ee75ed7f63346fe0","source":{"kind":"arxiv","id":"2608.01919","version":1},"attestation_state":"computed","paper":{"title":"Boosting the optical depth to Thomson scattering with primordial black hole evaporation at high redshift","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Ali Rida Khalife, Gabriel P. Lynch, Isaac Sierra, Lennart Balkenhol, Lloyd Knox, Vivian Poulin","submitted_at":"2026-08-03T08:53:16Z","abstract_excerpt":"BAO and CMB data are somewhat discrepant when interpreted in the context of $\\Lambda$cdm, discrepancies that show up as a `matter density deficit' and as a `CMB lensing excess'. One possible resolution is an increased optical depth to scattering off of free electrons in the post-recombination universe, $\\tau$, a possibility raised by Sailer et al. 2025 and Jhaveri et al. 2025. Since Planck measurements of the low-$\\ell$ polarization `reionization bump' already constrain $\\tau$ from standard stellar-driven reionization at $z<10$, we investigate additional optical depth sourced by transient or p"},"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":"2608.01919","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-08-03T08:53:16Z","cross_cats_sorted":[],"title_canon_sha256":"d3efb453ea1a5d300cc5ab2eb30cb29807c801e4901840f3cb44913f9ad9d618","abstract_canon_sha256":"99700b6342d87fe1164a73d54fd163b55abfb4d61152cc0ed96f9f02f3f59039"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:07:43.457500Z","signature_b64":"0uEWprGAPCnwyACkss+kKUIter1i3SeJO0i+HNJKYUe+8EmjN20JTUsB9Cyb/W/Q8yO0zJ/HWtG6wrm0ejB/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcec5e978d4e2a94e6bc8cc95fcd8e8a9284cbbcbc055074ee75ed7f63346fe0","last_reissued_at":"2026-08-04T02:07:43.455898Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:07:43.455898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Boosting the optical depth to Thomson scattering with primordial black hole evaporation at high redshift","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Ali Rida Khalife, Gabriel P. Lynch, Isaac Sierra, Lennart Balkenhol, Lloyd Knox, Vivian Poulin","submitted_at":"2026-08-03T08:53:16Z","abstract_excerpt":"BAO and CMB data are somewhat discrepant when interpreted in the context of $\\Lambda$cdm, discrepancies that show up as a `matter density deficit' and as a `CMB lensing excess'. One possible resolution is an increased optical depth to scattering off of free electrons in the post-recombination universe, $\\tau$, a possibility raised by Sailer et al. 2025 and Jhaveri et al. 2025. Since Planck measurements of the low-$\\ell$ polarization `reionization bump' already constrain $\\tau$ from standard stellar-driven reionization at $z<10$, we investigate additional optical depth sourced by transient or p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.01919","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/2608.01919/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":"2608.01919","created_at":"2026-08-04T02:07:43.457408+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.01919v1","created_at":"2026-08-04T02:07:43.457408+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.01919","created_at":"2026-08-04T02:07:43.457408+00:00"},{"alias_kind":"pith_short_12","alias_value":"XTWF5F4NJYVJ","created_at":"2026-08-04T02:07:43.457408+00:00"},{"alias_kind":"pith_short_16","alias_value":"XTWF5F4NJYVJJZV4","created_at":"2026-08-04T02:07:43.457408+00:00"},{"alias_kind":"pith_short_8","alias_value":"XTWF5F4N","created_at":"2026-08-04T02:07:43.457408+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/XTWF5F4NJYVJJZV4RTEV7TMORK","json":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK.json","graph_json":"https://pith.science/api/pith-number/XTWF5F4NJYVJJZV4RTEV7TMORK/graph.json","events_json":"https://pith.science/api/pith-number/XTWF5F4NJYVJJZV4RTEV7TMORK/events.json","paper":"https://pith.science/paper/XTWF5F4N"},"agent_actions":{"view_html":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK","download_json":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK.json","view_paper":"https://pith.science/paper/XTWF5F4N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.01919&json=true","fetch_graph":"https://pith.science/api/pith-number/XTWF5F4NJYVJJZV4RTEV7TMORK/graph.json","fetch_events":"https://pith.science/api/pith-number/XTWF5F4NJYVJJZV4RTEV7TMORK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK/action/storage_attestation","attest_author":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK/action/author_attestation","sign_citation":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK/action/citation_signature","submit_replication":"https://pith.science/pith/XTWF5F4NJYVJJZV4RTEV7TMORK/action/replication_record"}},"created_at":"2026-08-04T02:07:43.457408+00:00","updated_at":"2026-08-04T02:07:43.457408+00:00"}