{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:KMHH5WZH3M2GTJL5IBYJLGTQLA","short_pith_number":"pith:KMHH5WZH","schema_version":"1.0","canonical_sha256":"530e7edb27db3469a57d4070959a705821108d7d4b1091cfc8d426c2552f28ad","source":{"kind":"arxiv","id":"2411.09903","version":2},"attestation_state":"computed","paper":{"title":"The HI Mass Function of the Local Universe: Combining Measurements from HIPASS, ALFALFA and FASHI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chuan-Peng Zhang, Haojie Xu, Hong Guo, Jie Wang, Jing Wang, Michael G. Jones, Ming Zhu, Peng Jiang, Wenlin Ma","submitted_at":"2024-11-15T02:55:29Z","abstract_excerpt":"We present the first HI mass function (HIMF) measurement for the recent FAST All Sky HI (FASHI) survey and the most complete measurements of HIMF in the local universe thus far. We obtained these results by combining the HI catalogues from HI Parkes All Sky Survey (HIPASS), Arecibo Legacy Fast ALFA (ALFALFA) and FASHI surveys at redshift 0 < z < 0.05, covering 76% of the entire sky. We adopted the same methods to estimate the distances, calculate the sample completeness, and determine the HIMF for all three surveys. The best-fit Schechter function for the total HIMF shows a low-mass slope para"},"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":"2411.09903","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-15T02:55:29Z","cross_cats_sorted":[],"title_canon_sha256":"9b0ecf7381e751e486fa27f67b36251ba82b3b30613333d76542bfc3f15cd33f","abstract_canon_sha256":"d5809032721af1a5f33cb9879cd3c02a80260df15415237d48c97a0cb90c2652"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:40:14.120535Z","signature_b64":"Bucyvs2qWJhkFbExEsH7665fZUuVqfXbBM/JLV2OuGgwJVuMtpxTsm22vqFLnbW0xW5E+ZctaB87P/GwpWthCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"530e7edb27db3469a57d4070959a705821108d7d4b1091cfc8d426c2552f28ad","last_reissued_at":"2026-07-05T10:40:14.120045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:40:14.120045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The HI Mass Function of the Local Universe: Combining Measurements from HIPASS, ALFALFA and FASHI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chuan-Peng Zhang, Haojie Xu, Hong Guo, Jie Wang, Jing Wang, Michael G. Jones, Ming Zhu, Peng Jiang, Wenlin Ma","submitted_at":"2024-11-15T02:55:29Z","abstract_excerpt":"We present the first HI mass function (HIMF) measurement for the recent FAST All Sky HI (FASHI) survey and the most complete measurements of HIMF in the local universe thus far. We obtained these results by combining the HI catalogues from HI Parkes All Sky Survey (HIPASS), Arecibo Legacy Fast ALFA (ALFALFA) and FASHI surveys at redshift 0 < z < 0.05, covering 76% of the entire sky. We adopted the same methods to estimate the distances, calculate the sample completeness, and determine the HIMF for all three surveys. The best-fit Schechter function for the total HIMF shows a low-mass slope para"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.09903","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.09903/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":"2411.09903","created_at":"2026-07-05T10:40:14.120101+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.09903v2","created_at":"2026-07-05T10:40:14.120101+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.09903","created_at":"2026-07-05T10:40:14.120101+00:00"},{"alias_kind":"pith_short_12","alias_value":"KMHH5WZH3M2G","created_at":"2026-07-05T10:40:14.120101+00:00"},{"alias_kind":"pith_short_16","alias_value":"KMHH5WZH3M2GTJL5","created_at":"2026-07-05T10:40:14.120101+00:00"},{"alias_kind":"pith_short_8","alias_value":"KMHH5WZH","created_at":"2026-07-05T10:40:14.120101+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.05326","citing_title":"Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years","ref_index":12,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA","json":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA.json","graph_json":"https://pith.science/api/pith-number/KMHH5WZH3M2GTJL5IBYJLGTQLA/graph.json","events_json":"https://pith.science/api/pith-number/KMHH5WZH3M2GTJL5IBYJLGTQLA/events.json","paper":"https://pith.science/paper/KMHH5WZH"},"agent_actions":{"view_html":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA","download_json":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA.json","view_paper":"https://pith.science/paper/KMHH5WZH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.09903&json=true","fetch_graph":"https://pith.science/api/pith-number/KMHH5WZH3M2GTJL5IBYJLGTQLA/graph.json","fetch_events":"https://pith.science/api/pith-number/KMHH5WZH3M2GTJL5IBYJLGTQLA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA/action/storage_attestation","attest_author":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA/action/author_attestation","sign_citation":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA/action/citation_signature","submit_replication":"https://pith.science/pith/KMHH5WZH3M2GTJL5IBYJLGTQLA/action/replication_record"}},"created_at":"2026-07-05T10:40:14.120101+00:00","updated_at":"2026-07-05T10:40:14.120101+00:00"}