{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IO7LJSQL4CECQJR2B4B2CKFNXE","short_pith_number":"pith:IO7LJSQL","schema_version":"1.0","canonical_sha256":"43beb4ca0be08828263a0f03a128adb903c12651de9f6237ce8308c040c90822","source":{"kind":"arxiv","id":"1902.04005","version":1},"attestation_state":"computed","paper":{"title":"Constraints on the ultra-high energy cosmic neutrino flux from the fourth flight of ANITA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"A. B. Ludwig, A. Connolly, A. G. Vieregg, A. Novikov, A. Romero-Wolf, B. Dailey, B. D. Fox, B. F. Rauch, B. Hill, B. Rotter, B. Strutt, C. C. Chen, C. Deaconu, C. Hast, C. H. Chen, C. Miki, C. Naudet, D. Saltzberg, D. Seckel, D. Z. Besson, E. Oberla, G. S. Varner, H. Schoorlemmer, J. J. Beatty, J. J. Huang, J. M. Clem, J. M. Roberts, J. Nam, J. Shiao, J. Stockham, J. W. H. Gordon, J. W. Russell, K. Belov, K. Hughes, K. M. Liewer, K. Mulrey, L. Batten, L. Cremonesi, L. Macchiarulo, M. H. Israel, M. S. Sutherland, M. Stockham, N. Wang, O. Banerjee, P. Allison, P. Cao, P. Chen, P. F. Dowkontt, P. W. Gorham, R. Hupe, R. J. Nichol, S. A. Wissel, S. H. Wang, S. Matsuno, S. Prohira, S. Stafford, S. Y. Hsu, T. C. Liu, V. Bugaev, W. R. Binns","submitted_at":"2019-02-11T17:17:49Z","abstract_excerpt":"The ANtarctic Impulsive Transient Antenna (ANITA) NASA long-duration balloon payload completed its fourth flight in December 2016, after 28 days of flight time. ANITA is sensitive to impulsive broadband radio emission from interactions of ultra-high-energy neutrinos in polar ice (Askaryan emission). We present the results of two separate blind analyses searching for signals from Askaryan emission in the data from the fourth flight of ANITA. The more sensitive analysis, with a better expected limit, has a background estimate of $0.64^{+0.69}_{-0.45}$ and an analysis efficiency of $82\\pm2\\%$. Th"},"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":"1902.04005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-11T17:17:49Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"83497dc6374f7b826821c9aebdf8bb46ed0ec10fd219045d164f98e6667a796b","abstract_canon_sha256":"196295c82316745088f274372a819f182702cfb1b64f91c9871a2debd3c757ee"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:03.443062Z","signature_b64":"yjIIOR1ZHt/DlyqonBhVmOZPc3f0yEDHmB4Br/FNn7QhvZ97UbATSwctZHGeEXlC/Tgl6KDDF+JF0GiHhNZ7BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43beb4ca0be08828263a0f03a128adb903c12651de9f6237ce8308c040c90822","last_reissued_at":"2026-05-17T23:43:03.442546Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:03.442546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on the ultra-high energy cosmic neutrino flux from the fourth flight of ANITA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"A. B. Ludwig, A. Connolly, A. G. Vieregg, A. Novikov, A. Romero-Wolf, B. Dailey, B. D. Fox, B. F. Rauch, B. Hill, B. Rotter, B. Strutt, C. C. Chen, C. Deaconu, C. Hast, C. H. Chen, C. Miki, C. Naudet, D. Saltzberg, D. Seckel, D. Z. Besson, E. Oberla, G. S. Varner, H. Schoorlemmer, J. J. Beatty, J. J. Huang, J. M. Clem, J. M. Roberts, J. Nam, J. Shiao, J. Stockham, J. W. H. Gordon, J. W. Russell, K. Belov, K. Hughes, K. M. Liewer, K. Mulrey, L. Batten, L. Cremonesi, L. Macchiarulo, M. H. Israel, M. S. Sutherland, M. Stockham, N. Wang, O. Banerjee, P. Allison, P. Cao, P. Chen, P. F. Dowkontt, P. W. Gorham, R. Hupe, R. J. Nichol, S. A. Wissel, S. H. Wang, S. Matsuno, S. Prohira, S. Stafford, S. Y. Hsu, T. C. Liu, V. Bugaev, W. R. Binns","submitted_at":"2019-02-11T17:17:49Z","abstract_excerpt":"The ANtarctic Impulsive Transient Antenna (ANITA) NASA long-duration balloon payload completed its fourth flight in December 2016, after 28 days of flight time. ANITA is sensitive to impulsive broadband radio emission from interactions of ultra-high-energy neutrinos in polar ice (Askaryan emission). We present the results of two separate blind analyses searching for signals from Askaryan emission in the data from the fourth flight of ANITA. The more sensitive analysis, with a better expected limit, has a background estimate of $0.64^{+0.69}_{-0.45}$ and an analysis efficiency of $82\\pm2\\%$. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04005","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":""},"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":"1902.04005","created_at":"2026-05-17T23:43:03.442612+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.04005v1","created_at":"2026-05-17T23:43:03.442612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04005","created_at":"2026-05-17T23:43:03.442612+00:00"},{"alias_kind":"pith_short_12","alias_value":"IO7LJSQL4CEC","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IO7LJSQL4CECQJR2","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IO7LJSQL","created_at":"2026-05-18T12:33:18.533446+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2512.00660","citing_title":"Particle Astrophysics with High and Ultrahigh Energy Neutrinos","ref_index":191,"is_internal_anchor":true},{"citing_arxiv_id":"2512.20594","citing_title":"The Sensitivity of PUEO to Cosmogenic Neutrinos and Exotic Physics Scenarios","ref_index":20,"is_internal_anchor":true},{"citing_arxiv_id":"2605.04268","citing_title":"Sensitivity of the As-Built Askaryan Radio Array to Ultra-High Energy Neutrinos","ref_index":11,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE","json":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE.json","graph_json":"https://pith.science/api/pith-number/IO7LJSQL4CECQJR2B4B2CKFNXE/graph.json","events_json":"https://pith.science/api/pith-number/IO7LJSQL4CECQJR2B4B2CKFNXE/events.json","paper":"https://pith.science/paper/IO7LJSQL"},"agent_actions":{"view_html":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE","download_json":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE.json","view_paper":"https://pith.science/paper/IO7LJSQL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.04005&json=true","fetch_graph":"https://pith.science/api/pith-number/IO7LJSQL4CECQJR2B4B2CKFNXE/graph.json","fetch_events":"https://pith.science/api/pith-number/IO7LJSQL4CECQJR2B4B2CKFNXE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE/action/storage_attestation","attest_author":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE/action/author_attestation","sign_citation":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE/action/citation_signature","submit_replication":"https://pith.science/pith/IO7LJSQL4CECQJR2B4B2CKFNXE/action/replication_record"}},"created_at":"2026-05-17T23:43:03.442612+00:00","updated_at":"2026-05-17T23:43:03.442612+00:00"}