{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:QRWDMLZE2PXB5PK2X66JJ5RAQW","short_pith_number":"pith:QRWDMLZE","schema_version":"1.0","canonical_sha256":"846c362f24d3ee1ebd5abfbc94f620858ded191d94aeb0205c9b3e55f517f5d9","source":{"kind":"arxiv","id":"2606.25955","version":1},"attestation_state":"computed","paper":{"title":"Single-dish HI Intensity Mapping with the SKAO: Precursor Progress with MeerKAT's Large Area Synoptic Survey (MeerKLASS)","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alkistis Pourtsidou, Amadeus Witzemann, Brandon Engelbrecht, Isabella P. Carucci, Jingying Wang, Jos\\'e Fonseca, Karin Fornazier, Keith Grainge, Laura Wolz, Mario G. Santos, Marta Spinelli, Matilde Barberi-Squarotti, Melis O. Irfan, Philip Bull, Stefano Camera, Steven Cunnington, Wenkai Hu, Yichao Li, Zhaoting Chen","submitted_at":"2026-06-24T15:28:12Z","abstract_excerpt":"Using the SKAO to map the intensity of neutral hydrogen's 21cm emission line will be a golden opportunity to constrain models of cosmology. To access the largest cosmological scales, wide-sky surveys should ideally reach thousands of square degrees, requiring SKA-Mid's dishes to scan the sky in auto-correlation mode, so-called single-dish observations. In this chapter, we overview the latest results from MeerKAT's Large Area Synoptic Survey (MeerKLASS), which has been pioneering this single-dish observing strategy, and motivating its continuation with the SKA-Mid AA4 deployment. MeerKLASS, ope"},"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":"2606.25955","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-06-24T15:28:12Z","cross_cats_sorted":[],"title_canon_sha256":"9ee93f0a327aee8976f18599ef0f62c6cb2cab00819d84203ca6af93b66abf97","abstract_canon_sha256":"b8d7f21f7b9570fe4ff3e62bcc457748b8b039ef32bcaf156ee3cee6a303cac6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:44.258919Z","signature_b64":"tSDyel8ESdIWFWnJYFQqzrRebr+g32IDNfZuMALlR94yzBHUNaNLHrDPuebJ1j0nZwdmoivP8X5ueSQz4cuIBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"846c362f24d3ee1ebd5abfbc94f620858ded191d94aeb0205c9b3e55f517f5d9","last_reissued_at":"2026-06-25T01:18:44.258508Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:44.258508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Single-dish HI Intensity Mapping with the SKAO: Precursor Progress with MeerKAT's Large Area Synoptic Survey (MeerKLASS)","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alkistis Pourtsidou, Amadeus Witzemann, Brandon Engelbrecht, Isabella P. Carucci, Jingying Wang, Jos\\'e Fonseca, Karin Fornazier, Keith Grainge, Laura Wolz, Mario G. Santos, Marta Spinelli, Matilde Barberi-Squarotti, Melis O. Irfan, Philip Bull, Stefano Camera, Steven Cunnington, Wenkai Hu, Yichao Li, Zhaoting Chen","submitted_at":"2026-06-24T15:28:12Z","abstract_excerpt":"Using the SKAO to map the intensity of neutral hydrogen's 21cm emission line will be a golden opportunity to constrain models of cosmology. To access the largest cosmological scales, wide-sky surveys should ideally reach thousands of square degrees, requiring SKA-Mid's dishes to scan the sky in auto-correlation mode, so-called single-dish observations. In this chapter, we overview the latest results from MeerKAT's Large Area Synoptic Survey (MeerKLASS), which has been pioneering this single-dish observing strategy, and motivating its continuation with the SKA-Mid AA4 deployment. MeerKLASS, ope"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25955","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/2606.25955/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":"2606.25955","created_at":"2026-06-25T01:18:44.258572+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.25955v1","created_at":"2026-06-25T01:18:44.258572+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25955","created_at":"2026-06-25T01:18:44.258572+00:00"},{"alias_kind":"pith_short_12","alias_value":"QRWDMLZE2PXB","created_at":"2026-06-25T01:18:44.258572+00:00"},{"alias_kind":"pith_short_16","alias_value":"QRWDMLZE2PXB5PK2","created_at":"2026-06-25T01:18:44.258572+00:00"},{"alias_kind":"pith_short_8","alias_value":"QRWDMLZE","created_at":"2026-06-25T01:18:44.258572+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/QRWDMLZE2PXB5PK2X66JJ5RAQW","json":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW.json","graph_json":"https://pith.science/api/pith-number/QRWDMLZE2PXB5PK2X66JJ5RAQW/graph.json","events_json":"https://pith.science/api/pith-number/QRWDMLZE2PXB5PK2X66JJ5RAQW/events.json","paper":"https://pith.science/paper/QRWDMLZE"},"agent_actions":{"view_html":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW","download_json":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW.json","view_paper":"https://pith.science/paper/QRWDMLZE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.25955&json=true","fetch_graph":"https://pith.science/api/pith-number/QRWDMLZE2PXB5PK2X66JJ5RAQW/graph.json","fetch_events":"https://pith.science/api/pith-number/QRWDMLZE2PXB5PK2X66JJ5RAQW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW/action/storage_attestation","attest_author":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW/action/author_attestation","sign_citation":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW/action/citation_signature","submit_replication":"https://pith.science/pith/QRWDMLZE2PXB5PK2X66JJ5RAQW/action/replication_record"}},"created_at":"2026-06-25T01:18:44.258572+00:00","updated_at":"2026-06-25T01:18:44.258572+00:00"}