{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:UC4DFMFGGERJMGYJG2MWWNZK5U","short_pith_number":"pith:UC4DFMFG","schema_version":"1.0","canonical_sha256":"a0b832b0a63122961b0936996b372aed356fad8d774af546ee3b605dcb340ae4","source":{"kind":"arxiv","id":"2506.03536","version":1},"attestation_state":"computed","paper":{"title":"Constraining the Baryon Fraction in the Intergalactic Medium with 92 localized Fast Radio Bursts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Hongwei Yu, Puxun Wu, Yang Liu, Yuchen Zhang","submitted_at":"2025-06-04T03:34:29Z","abstract_excerpt":"Fast radio bursts (FRBs) are emerging as powerful cosmological probes for constraining the baryon fraction in the intergalactic medium (IGM), offering a promising avenue to address the missing baryon problem. In this paper, we analyze constraints on the IGM baryon fraction ($f_\\mathrm{IGM}$) using 92 localized FRBs, incorporating a corrected probability distribution function for the IGM dispersion measure within three different cosmological models. We find that variations in the underlying cosmological model have a negligible impact on the inferred values of $f_\\mathrm{IGM}$. While the NE2001 "},"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":"2506.03536","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-04T03:34:29Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"f5926958ac42ab1519446a9da5eb495c613691121bbb6b5a3efc8ad93e32f9b0","abstract_canon_sha256":"d81ee6a3b11abe5d9e8bd9fe6b22686271993098bd1d901e8765511f4541dd86"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:29.259632Z","signature_b64":"TOiBsp8rOwialjkNA5p5bwOtJFGDNs5j9d1Xu3wh+hdoWXm85y0Z9kNH//sHGMeAjRVDbPszYfpo4mfUgr2ACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0b832b0a63122961b0936996b372aed356fad8d774af546ee3b605dcb340ae4","last_reissued_at":"2026-07-05T11:15:29.259118Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:29.259118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraining the Baryon Fraction in the Intergalactic Medium with 92 localized Fast Radio Bursts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Hongwei Yu, Puxun Wu, Yang Liu, Yuchen Zhang","submitted_at":"2025-06-04T03:34:29Z","abstract_excerpt":"Fast radio bursts (FRBs) are emerging as powerful cosmological probes for constraining the baryon fraction in the intergalactic medium (IGM), offering a promising avenue to address the missing baryon problem. In this paper, we analyze constraints on the IGM baryon fraction ($f_\\mathrm{IGM}$) using 92 localized FRBs, incorporating a corrected probability distribution function for the IGM dispersion measure within three different cosmological models. We find that variations in the underlying cosmological model have a negligible impact on the inferred values of $f_\\mathrm{IGM}$. While the NE2001 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03536","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/2506.03536/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":"2506.03536","created_at":"2026-07-05T11:15:29.259179+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.03536v1","created_at":"2026-07-05T11:15:29.259179+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03536","created_at":"2026-07-05T11:15:29.259179+00:00"},{"alias_kind":"pith_short_12","alias_value":"UC4DFMFGGERJ","created_at":"2026-07-05T11:15:29.259179+00:00"},{"alias_kind":"pith_short_16","alias_value":"UC4DFMFGGERJMGYJ","created_at":"2026-07-05T11:15:29.259179+00:00"},{"alias_kind":"pith_short_8","alias_value":"UC4DFMFG","created_at":"2026-07-05T11:15:29.259179+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.29761","citing_title":"Estimating Cosmological Parameters from Localized Fast Radio Bursts: A Method for Removing Milky Way Dispersion-Measure Contributions","ref_index":55,"is_internal_anchor":true},{"citing_arxiv_id":"2510.09463","citing_title":"Generalized Distributions of Host Dispersion Measures in the Fast Radio Burst Cosmology","ref_index":66,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U","json":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U.json","graph_json":"https://pith.science/api/pith-number/UC4DFMFGGERJMGYJG2MWWNZK5U/graph.json","events_json":"https://pith.science/api/pith-number/UC4DFMFGGERJMGYJG2MWWNZK5U/events.json","paper":"https://pith.science/paper/UC4DFMFG"},"agent_actions":{"view_html":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U","download_json":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U.json","view_paper":"https://pith.science/paper/UC4DFMFG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.03536&json=true","fetch_graph":"https://pith.science/api/pith-number/UC4DFMFGGERJMGYJG2MWWNZK5U/graph.json","fetch_events":"https://pith.science/api/pith-number/UC4DFMFGGERJMGYJG2MWWNZK5U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U/action/storage_attestation","attest_author":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U/action/author_attestation","sign_citation":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U/action/citation_signature","submit_replication":"https://pith.science/pith/UC4DFMFGGERJMGYJG2MWWNZK5U/action/replication_record"}},"created_at":"2026-07-05T11:15:29.259179+00:00","updated_at":"2026-07-05T11:15:29.259179+00:00"}