{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:VDCN5G4CJ67UKSRXU6ROLZU2OG","short_pith_number":"pith:VDCN5G4C","schema_version":"1.0","canonical_sha256":"a8c4de9b824fbf454a37a7a2e5e69a71aa455f40fb405d0c863cb21e5e3e4e3c","source":{"kind":"arxiv","id":"1306.3035","version":1},"attestation_state":"computed","paper":{"title":"Sparsely Sampling the Sky: Regular vs Random Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. H. Jaffe, J. -L. Starck, P. Paykari, S. Pires","submitted_at":"2013-06-13T06:41:00Z","abstract_excerpt":"The next generation of galaxy surveys, aiming to observe millions of galaxies, are expensive both in time and cost. This raises questions regarding the optimal investment of this time and money for future surveys. In a previous work, it was shown that a sparse sampling strategy could be a powerful substitute for the contiguous observations. However, in this previous paper a regular sparse sampling was investigated, where the sparse observed patches were regularly distributed on the sky. The regularity of the mask introduces a periodic pattern in the window function, which induces periodic corr"},"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":"1306.3035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-06-13T06:41:00Z","cross_cats_sorted":[],"title_canon_sha256":"db998aa4851e4e5a89d3d06acd4223611157d0737b32b47c1b1d50b4ce599c24","abstract_canon_sha256":"0ae729c7abaed2b8d9cae31f3eff3113f6d65ca0fec5423a0fad443b4c17616b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:35.166676Z","signature_b64":"+kYeqc9N5H+lDbO9Qs0aAXlMvnGPfvjpkDJ0D7icLG4a0ZoAqvHnxKx9Lwl0pGoHwYW7mfa5iy16l6T0+633Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8c4de9b824fbf454a37a7a2e5e69a71aa455f40fb405d0c863cb21e5e3e4e3c","last_reissued_at":"2026-05-18T01:32:35.166208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:35.166208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sparsely Sampling the Sky: Regular vs Random Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. H. Jaffe, J. -L. Starck, P. Paykari, S. Pires","submitted_at":"2013-06-13T06:41:00Z","abstract_excerpt":"The next generation of galaxy surveys, aiming to observe millions of galaxies, are expensive both in time and cost. This raises questions regarding the optimal investment of this time and money for future surveys. In a previous work, it was shown that a sparse sampling strategy could be a powerful substitute for the contiguous observations. However, in this previous paper a regular sparse sampling was investigated, where the sparse observed patches were regularly distributed on the sky. The regularity of the mask introduces a periodic pattern in the window function, which induces periodic corr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3035","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":"1306.3035","created_at":"2026-05-18T01:32:35.166280+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.3035v1","created_at":"2026-05-18T01:32:35.166280+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3035","created_at":"2026-05-18T01:32:35.166280+00:00"},{"alias_kind":"pith_short_12","alias_value":"VDCN5G4CJ67U","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"VDCN5G4CJ67UKSRX","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"VDCN5G4C","created_at":"2026-05-18T12:28:04.890932+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/VDCN5G4CJ67UKSRXU6ROLZU2OG","json":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG.json","graph_json":"https://pith.science/api/pith-number/VDCN5G4CJ67UKSRXU6ROLZU2OG/graph.json","events_json":"https://pith.science/api/pith-number/VDCN5G4CJ67UKSRXU6ROLZU2OG/events.json","paper":"https://pith.science/paper/VDCN5G4C"},"agent_actions":{"view_html":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG","download_json":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG.json","view_paper":"https://pith.science/paper/VDCN5G4C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.3035&json=true","fetch_graph":"https://pith.science/api/pith-number/VDCN5G4CJ67UKSRXU6ROLZU2OG/graph.json","fetch_events":"https://pith.science/api/pith-number/VDCN5G4CJ67UKSRXU6ROLZU2OG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG/action/storage_attestation","attest_author":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG/action/author_attestation","sign_citation":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG/action/citation_signature","submit_replication":"https://pith.science/pith/VDCN5G4CJ67UKSRXU6ROLZU2OG/action/replication_record"}},"created_at":"2026-05-18T01:32:35.166280+00:00","updated_at":"2026-05-18T01:32:35.166280+00:00"}