{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:IRYMQ4AIUZGZURJARWALR3DGWI","short_pith_number":"pith:IRYMQ4AI","schema_version":"1.0","canonical_sha256":"4470c87008a64d9a45208d80b8ec66b20e1bd8254e96bf97f2b71d3719ba9bf1","source":{"kind":"arxiv","id":"1802.08230","version":2},"attestation_state":"computed","paper":{"title":"Mitigating Foreground Biases in CMB Lensing Reconstruction Using Cleaned Gradients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"J. Colin Hill, Mathew S. Madhavacheril","submitted_at":"2018-02-22T18:34:20Z","abstract_excerpt":"Reconstructed maps of the lensing convergence of the cosmic microwave background (CMB) will play a major role in precision cosmology in coming years. CMB lensing maps will enable calibration of the masses of high-redshift galaxy clusters and will yield precise measurements of the growth of cosmic structure through cross-correlations with galaxy surveys. During the next decade, CMB lensing reconstruction will rely heavily on temperature data, rather than polarization, thus necessitating a detailed understanding of biases due to extragalactic foregrounds. In the near term, the most significant b"},"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":"1802.08230","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-22T18:34:20Z","cross_cats_sorted":[],"title_canon_sha256":"c56f9c6cce65183e3eaa6d2a7ed745620cae0a26edeb4970f08cc563aed3089f","abstract_canon_sha256":"84a463ea33702afe23a9c300c68b15561aaff11a2a5c72cab11b61c5ab433d8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:16.020914Z","signature_b64":"a4FxEcTiaPZ9ftHzG+Cvg7OdbS08ZrND8GtWvWVSxlPFpF48NSAGS4MqdTqVy53rjlw9PabuA7Gm5F8dz30lCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4470c87008a64d9a45208d80b8ec66b20e1bd8254e96bf97f2b71d3719ba9bf1","last_reissued_at":"2026-05-18T00:09:16.020230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:16.020230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mitigating Foreground Biases in CMB Lensing Reconstruction Using Cleaned Gradients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"J. Colin Hill, Mathew S. Madhavacheril","submitted_at":"2018-02-22T18:34:20Z","abstract_excerpt":"Reconstructed maps of the lensing convergence of the cosmic microwave background (CMB) will play a major role in precision cosmology in coming years. CMB lensing maps will enable calibration of the masses of high-redshift galaxy clusters and will yield precise measurements of the growth of cosmic structure through cross-correlations with galaxy surveys. During the next decade, CMB lensing reconstruction will rely heavily on temperature data, rather than polarization, thus necessitating a detailed understanding of biases due to extragalactic foregrounds. In the near term, the most significant b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08230","kind":"arxiv","version":2},"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":"1802.08230","created_at":"2026-05-18T00:09:16.020336+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.08230v2","created_at":"2026-05-18T00:09:16.020336+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08230","created_at":"2026-05-18T00:09:16.020336+00:00"},{"alias_kind":"pith_short_12","alias_value":"IRYMQ4AIUZGZ","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"IRYMQ4AIUZGZURJA","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"IRYMQ4AI","created_at":"2026-05-18T12:32:31.084164+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/IRYMQ4AIUZGZURJARWALR3DGWI","json":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI.json","graph_json":"https://pith.science/api/pith-number/IRYMQ4AIUZGZURJARWALR3DGWI/graph.json","events_json":"https://pith.science/api/pith-number/IRYMQ4AIUZGZURJARWALR3DGWI/events.json","paper":"https://pith.science/paper/IRYMQ4AI"},"agent_actions":{"view_html":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI","download_json":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI.json","view_paper":"https://pith.science/paper/IRYMQ4AI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.08230&json=true","fetch_graph":"https://pith.science/api/pith-number/IRYMQ4AIUZGZURJARWALR3DGWI/graph.json","fetch_events":"https://pith.science/api/pith-number/IRYMQ4AIUZGZURJARWALR3DGWI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI/action/storage_attestation","attest_author":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI/action/author_attestation","sign_citation":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI/action/citation_signature","submit_replication":"https://pith.science/pith/IRYMQ4AIUZGZURJARWALR3DGWI/action/replication_record"}},"created_at":"2026-05-18T00:09:16.020336+00:00","updated_at":"2026-05-18T00:09:16.020336+00:00"}