{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:V5UP7DMW4KUCANJRVT7IKOGIFP","short_pith_number":"pith:V5UP7DMW","canonical_record":{"source":{"id":"1906.08760","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-20T17:28:15Z","cross_cats_sorted":[],"title_canon_sha256":"e77d348a5cd20a4b764c1ff879f2d5145ca86127074832e031c8490a83b1ba02","abstract_canon_sha256":"ce386b5c7a2df53a4fc554ae149f3f0920ced23c5f0271774f92bd8c7fe86345"},"schema_version":"1.0"},"canonical_sha256":"af68ff8d96e2a8203531acfe8538c82bc6c37d212dbdff41a456915d76ef4c92","source":{"kind":"arxiv","id":"1906.08760","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.08760","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"arxiv_version","alias_value":"1906.08760v3","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08760","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_12","alias_value":"V5UP7DMW4KUC","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_16","alias_value":"V5UP7DMW4KUCANJR","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_8","alias_value":"V5UP7DMW","created_at":"2026-07-05T06:28:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:V5UP7DMW4KUCANJRVT7IKOGIFP","target":"record","payload":{"canonical_record":{"source":{"id":"1906.08760","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-20T17:28:15Z","cross_cats_sorted":[],"title_canon_sha256":"e77d348a5cd20a4b764c1ff879f2d5145ca86127074832e031c8490a83b1ba02","abstract_canon_sha256":"ce386b5c7a2df53a4fc554ae149f3f0920ced23c5f0271774f92bd8c7fe86345"},"schema_version":"1.0"},"canonical_sha256":"af68ff8d96e2a8203531acfe8538c82bc6c37d212dbdff41a456915d76ef4c92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:28:29.156528Z","signature_b64":"XbJqnrom93S8lDUPKYu6ce1cNSn5zRL2ITvkPJ4MA1vubojKLxDA28WRVHbyrfUGMSdjQQHw6NdnDWfZvyZVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af68ff8d96e2a8203531acfe8538c82bc6c37d212dbdff41a456915d76ef4c92","last_reissued_at":"2026-07-05T06:28:29.156045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:28:29.156045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.08760","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0bFGOKrHiUiYmKGTux+giTh58eTBPNn61Q76CthBO3q+aGMcsQbdWP5OIq1cqYECcoCUtZsXCgfijKnrAAH1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T04:41:08.941992Z"},"content_sha256":"2af6952df35e431dd6232e3d65ba232f506a7ae4f5b673b499ff42cbf5cfe761","schema_version":"1.0","event_id":"sha256:2af6952df35e431dd6232e3d65ba232f506a7ae4f5b673b499ff42cbf5cfe761"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:V5UP7DMW4KUCANJRVT7IKOGIFP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CMB lensing reconstruction biases in cross-correlation with large-scale structure probes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Antony Lewis, Dominic Beck, Giulio Fabbian","submitted_at":"2019-06-20T17:28:15Z","abstract_excerpt":"The cross-correlation between cosmic microwave background (CMB) gravitational lensing and large-scale structure tracers will be an important cosmological probe in the coming years. Quadratic estimators provide a simple and powerful (if suboptimal) way to reconstruct the CMB lensing potential and are widely used. For Gaussian fields, the cross-correlation of a quadratic-estimator CMB lensing reconstruction with a tracer is exactly unbiased if the power spectra are known and consistent analytic lensing mode response functions are used. However, the bispectrum induced by non-linear large-scale st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08760","kind":"arxiv","version":3},"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/1906.08760/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dOVos1655lt5TpdWvKb0ZJjMoYpTodP7wWO8qA4pj4V7EBJoLdavsKzy/p8d2or//Jz22u7lefAVpJyFJl4uBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T04:41:08.942510Z"},"content_sha256":"203eee4a8971172447e9d19b3a9ba43ef7999b40a4aa57f7fcb7ab9bc4fc3dd7","schema_version":"1.0","event_id":"sha256:203eee4a8971172447e9d19b3a9ba43ef7999b40a4aa57f7fcb7ab9bc4fc3dd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/bundle.json","state_url":"https://pith.science/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-01T04:41:08Z","links":{"resolver":"https://pith.science/pith/V5UP7DMW4KUCANJRVT7IKOGIFP","bundle":"https://pith.science/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/bundle.json","state":"https://pith.science/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V5UP7DMW4KUCANJRVT7IKOGIFP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:V5UP7DMW4KUCANJRVT7IKOGIFP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ce386b5c7a2df53a4fc554ae149f3f0920ced23c5f0271774f92bd8c7fe86345","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-20T17:28:15Z","title_canon_sha256":"e77d348a5cd20a4b764c1ff879f2d5145ca86127074832e031c8490a83b1ba02"},"schema_version":"1.0","source":{"id":"1906.08760","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.08760","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"arxiv_version","alias_value":"1906.08760v3","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08760","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_12","alias_value":"V5UP7DMW4KUC","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_16","alias_value":"V5UP7DMW4KUCANJR","created_at":"2026-07-05T06:28:29Z"},{"alias_kind":"pith_short_8","alias_value":"V5UP7DMW","created_at":"2026-07-05T06:28:29Z"}],"graph_snapshots":[{"event_id":"sha256:203eee4a8971172447e9d19b3a9ba43ef7999b40a4aa57f7fcb7ab9bc4fc3dd7","target":"graph","created_at":"2026-07-05T06:28:29Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1906.08760/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The cross-correlation between cosmic microwave background (CMB) gravitational lensing and large-scale structure tracers will be an important cosmological probe in the coming years. Quadratic estimators provide a simple and powerful (if suboptimal) way to reconstruct the CMB lensing potential and are widely used. For Gaussian fields, the cross-correlation of a quadratic-estimator CMB lensing reconstruction with a tracer is exactly unbiased if the power spectra are known and consistent analytic lensing mode response functions are used. However, the bispectrum induced by non-linear large-scale st","authors_text":"Antony Lewis, Dominic Beck, Giulio Fabbian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-20T17:28:15Z","title":"CMB lensing reconstruction biases in cross-correlation with large-scale structure probes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08760","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2af6952df35e431dd6232e3d65ba232f506a7ae4f5b673b499ff42cbf5cfe761","target":"record","created_at":"2026-07-05T06:28:29Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ce386b5c7a2df53a4fc554ae149f3f0920ced23c5f0271774f92bd8c7fe86345","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-20T17:28:15Z","title_canon_sha256":"e77d348a5cd20a4b764c1ff879f2d5145ca86127074832e031c8490a83b1ba02"},"schema_version":"1.0","source":{"id":"1906.08760","kind":"arxiv","version":3}},"canonical_sha256":"af68ff8d96e2a8203531acfe8538c82bc6c37d212dbdff41a456915d76ef4c92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af68ff8d96e2a8203531acfe8538c82bc6c37d212dbdff41a456915d76ef4c92","first_computed_at":"2026-07-05T06:28:29.156045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:28:29.156045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XbJqnrom93S8lDUPKYu6ce1cNSn5zRL2ITvkPJ4MA1vubojKLxDA28WRVHbyrfUGMSdjQQHw6NdnDWfZvyZVAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:28:29.156528Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.08760","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2af6952df35e431dd6232e3d65ba232f506a7ae4f5b673b499ff42cbf5cfe761","sha256:203eee4a8971172447e9d19b3a9ba43ef7999b40a4aa57f7fcb7ab9bc4fc3dd7"],"state_sha256":"5a74fb18cf127571ded12799843171c1b94686bce8425d32a1c975d9cd23ec8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dtsEOQ3qbaxACWIqsLPWvxYH/wRBMzvqM3cUNpXLhhmXn1CUzkSjWpubhROfkVUZpFQxYfJRmY7arcEknVFSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T04:41:08.946564Z","bundle_sha256":"90646cc4dc448c7c6b911aaafb0bc1345f00e256ff5a4dbb907e7aead7771f68"}}