{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ABAWGAUTAW4QTO7TPPPXBHEZQH","short_pith_number":"pith:ABAWGAUT","schema_version":"1.0","canonical_sha256":"004163029305b909bbf37bdf709c9981c00762b513cf43d5f03962816f257bc1","source":{"kind":"arxiv","id":"2605.26347","version":1},"attestation_state":"computed","paper":{"title":"A distributed resource-adaptive implementation of the widefield radio-interferometric measurement model for scalable image formation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Arwa Dabbech, Yves Wiaux","submitted_at":"2026-05-25T21:46:55Z","abstract_excerpt":"Modern image formation algorithms in radio interferometry rely on repeated applications of the operator {\\Phi} modelling the measurement process and its adjoint {Phi^\\dagger} to enforce consistency with the acquired data, specifically via their composite mapping {Phi^\\dagger\\Phi} encoding the array's point spread function (PSF). The large data volumes produced during wideband observations yield significant computational challenges for image formation. Moreover, for widefield imaging, the baseline components along the line of sight w complicate severely the measurement model beyond the conventi"},"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":"2605.26347","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-25T21:46:55Z","cross_cats_sorted":[],"title_canon_sha256":"8abc147a9196e4a3681226b748c110198f880a69e22a4c3d053f5d39645a59a8","abstract_canon_sha256":"3e0298063e0b4bc810c22a274e4c88515c2d6dabd841a9707d0868a8386811e7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:13.302053Z","signature_b64":"/v5a+KOcZ/Sy5kWXle7v5CugVsELSbkhG4KGOE7ocKrE0uCrWhf19NCdJYyY/QR6fEUUrmDLyu+/ydYfh3gUBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"004163029305b909bbf37bdf709c9981c00762b513cf43d5f03962816f257bc1","last_reissued_at":"2026-05-27T01:05:13.301232Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:13.301232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A distributed resource-adaptive implementation of the widefield radio-interferometric measurement model for scalable image formation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Arwa Dabbech, Yves Wiaux","submitted_at":"2026-05-25T21:46:55Z","abstract_excerpt":"Modern image formation algorithms in radio interferometry rely on repeated applications of the operator {\\Phi} modelling the measurement process and its adjoint {Phi^\\dagger} to enforce consistency with the acquired data, specifically via their composite mapping {Phi^\\dagger\\Phi} encoding the array's point spread function (PSF). The large data volumes produced during wideband observations yield significant computational challenges for image formation. Moreover, for widefield imaging, the baseline components along the line of sight w complicate severely the measurement model beyond the conventi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26347","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/2605.26347/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":"2605.26347","created_at":"2026-05-27T01:05:13.301372+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.26347v1","created_at":"2026-05-27T01:05:13.301372+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26347","created_at":"2026-05-27T01:05:13.301372+00:00"},{"alias_kind":"pith_short_12","alias_value":"ABAWGAUTAW4Q","created_at":"2026-05-27T01:05:13.301372+00:00"},{"alias_kind":"pith_short_16","alias_value":"ABAWGAUTAW4QTO7T","created_at":"2026-05-27T01:05:13.301372+00:00"},{"alias_kind":"pith_short_8","alias_value":"ABAWGAUT","created_at":"2026-05-27T01:05:13.301372+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/ABAWGAUTAW4QTO7TPPPXBHEZQH","json":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH.json","graph_json":"https://pith.science/api/pith-number/ABAWGAUTAW4QTO7TPPPXBHEZQH/graph.json","events_json":"https://pith.science/api/pith-number/ABAWGAUTAW4QTO7TPPPXBHEZQH/events.json","paper":"https://pith.science/paper/ABAWGAUT"},"agent_actions":{"view_html":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH","download_json":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH.json","view_paper":"https://pith.science/paper/ABAWGAUT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.26347&json=true","fetch_graph":"https://pith.science/api/pith-number/ABAWGAUTAW4QTO7TPPPXBHEZQH/graph.json","fetch_events":"https://pith.science/api/pith-number/ABAWGAUTAW4QTO7TPPPXBHEZQH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH/action/storage_attestation","attest_author":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH/action/author_attestation","sign_citation":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH/action/citation_signature","submit_replication":"https://pith.science/pith/ABAWGAUTAW4QTO7TPPPXBHEZQH/action/replication_record"}},"created_at":"2026-05-27T01:05:13.301372+00:00","updated_at":"2026-05-27T01:05:13.301372+00:00"}