{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:CYRX2YTTBDPJ636QJFHEXGYLYV","short_pith_number":"pith:CYRX2YTT","schema_version":"1.0","canonical_sha256":"16237d627308de9f6fd0494e4b9b0bc5710aec5d93a5e321390abe22ff50a44c","source":{"kind":"arxiv","id":"2409.03232","version":1},"attestation_state":"computed","paper":{"title":"Strategy for mitigation of systematics for EoR experiments with the Murchison Widefield Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Cathryn M. Trott, Christopher H. Jordan, Chuneeta D. Nunhokee, Dev Null, Jack B. Line, Nichole Barry, Randall Wayth","submitted_at":"2024-09-05T03:57:41Z","abstract_excerpt":"Observations of the 21 cm signal face significant challenges due to bright astrophysical foregrounds that are several orders of magnitude higher than the brightness of the hydrogen line, along with various systematics. Successful 21 cm experiments require accurate calibration and foreground mitigation. Errors introduced during the calibration process such as systematics, can disrupt the intrinsic frequency smoothness of the foregrounds, leading to power leakage into the Epoch of Reionisation (EoR) window. Therefore, it is essential to develop strategies to effectively address these challenges."},"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":"2409.03232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-09-05T03:57:41Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"82bd01cd43219cc596e14350461192fc6d737de4dda7da89864cb066fc6fe3ed","abstract_canon_sha256":"d39b42d5a48e9d85fe4c01ea855a87ffe8da0323098c58424f71a2010815b95d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:46:50.677600Z","signature_b64":"6zaoE4hj1b0reNxF9KkdmmPmVGocEkM+ne2jdyD9CdexcmeZHsCy3KmWfPPxr9LN8gY7qXAyMgAAG8jyMupqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16237d627308de9f6fd0494e4b9b0bc5710aec5d93a5e321390abe22ff50a44c","last_reissued_at":"2026-07-05T09:46:50.677054Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:46:50.677054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strategy for mitigation of systematics for EoR experiments with the Murchison Widefield Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Cathryn M. Trott, Christopher H. Jordan, Chuneeta D. Nunhokee, Dev Null, Jack B. Line, Nichole Barry, Randall Wayth","submitted_at":"2024-09-05T03:57:41Z","abstract_excerpt":"Observations of the 21 cm signal face significant challenges due to bright astrophysical foregrounds that are several orders of magnitude higher than the brightness of the hydrogen line, along with various systematics. Successful 21 cm experiments require accurate calibration and foreground mitigation. Errors introduced during the calibration process such as systematics, can disrupt the intrinsic frequency smoothness of the foregrounds, leading to power leakage into the Epoch of Reionisation (EoR) window. Therefore, it is essential to develop strategies to effectively address these challenges."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.03232","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/2409.03232/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":"2409.03232","created_at":"2026-07-05T09:46:50.677118+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.03232v1","created_at":"2026-07-05T09:46:50.677118+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.03232","created_at":"2026-07-05T09:46:50.677118+00:00"},{"alias_kind":"pith_short_12","alias_value":"CYRX2YTTBDPJ","created_at":"2026-07-05T09:46:50.677118+00:00"},{"alias_kind":"pith_short_16","alias_value":"CYRX2YTTBDPJ636Q","created_at":"2026-07-05T09:46:50.677118+00:00"},{"alias_kind":"pith_short_8","alias_value":"CYRX2YTT","created_at":"2026-07-05T09:46:50.677118+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.04164","citing_title":"Improved limits on the 21cm signal at z=6.5-7.0 with the MWA using Gaussian information","ref_index":29,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV","json":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV.json","graph_json":"https://pith.science/api/pith-number/CYRX2YTTBDPJ636QJFHEXGYLYV/graph.json","events_json":"https://pith.science/api/pith-number/CYRX2YTTBDPJ636QJFHEXGYLYV/events.json","paper":"https://pith.science/paper/CYRX2YTT"},"agent_actions":{"view_html":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV","download_json":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV.json","view_paper":"https://pith.science/paper/CYRX2YTT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.03232&json=true","fetch_graph":"https://pith.science/api/pith-number/CYRX2YTTBDPJ636QJFHEXGYLYV/graph.json","fetch_events":"https://pith.science/api/pith-number/CYRX2YTTBDPJ636QJFHEXGYLYV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV/action/storage_attestation","attest_author":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV/action/author_attestation","sign_citation":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV/action/citation_signature","submit_replication":"https://pith.science/pith/CYRX2YTTBDPJ636QJFHEXGYLYV/action/replication_record"}},"created_at":"2026-07-05T09:46:50.677118+00:00","updated_at":"2026-07-05T09:46:50.677118+00:00"}