{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:ITSBXTOPFVMNOERMLZTQKZCDN7","short_pith_number":"pith:ITSBXTOP","canonical_record":{"source":{"id":"2304.09166","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-04-18T17:54:20Z","cross_cats_sorted":[],"title_canon_sha256":"88ac98bb775575d34a89058e5600e653434fafa191c5ae37337996a8a040d16a","abstract_canon_sha256":"7f2aa923c11f91bb33e4b33fcae8168f8bb55b5b8907d1d43db8483fa5b1958e"},"schema_version":"1.0"},"canonical_sha256":"44e41bcdcf2d58d7122c5e670564436fc71b75a7db87b067faee52e3763ae207","source":{"kind":"arxiv","id":"2304.09166","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.09166","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"arxiv_version","alias_value":"2304.09166v2","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.09166","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_12","alias_value":"ITSBXTOPFVMN","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_16","alias_value":"ITSBXTOPFVMNOERM","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_8","alias_value":"ITSBXTOP","created_at":"2026-07-05T06:22:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:ITSBXTOPFVMNOERMLZTQKZCDN7","target":"record","payload":{"canonical_record":{"source":{"id":"2304.09166","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-04-18T17:54:20Z","cross_cats_sorted":[],"title_canon_sha256":"88ac98bb775575d34a89058e5600e653434fafa191c5ae37337996a8a040d16a","abstract_canon_sha256":"7f2aa923c11f91bb33e4b33fcae8168f8bb55b5b8907d1d43db8483fa5b1958e"},"schema_version":"1.0"},"canonical_sha256":"44e41bcdcf2d58d7122c5e670564436fc71b75a7db87b067faee52e3763ae207","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:22:03.264155Z","signature_b64":"vA+X+3nxu4SU7SizljYzwhGSGt/imDD7lTJlZgNGRboEHh7ghVZQ84kWelJUGM096Kp/fOYXp2tC8MFHAUvZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44e41bcdcf2d58d7122c5e670564436fc71b75a7db87b067faee52e3763ae207","last_reissued_at":"2026-07-05T06:22:03.263694Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:22:03.263694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.09166","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:22:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sK33RcLqo+gbSNy28WnmhtjODa0qJ8AkwVUBcnqWcTYAYSQ6q6dc4/0JHQ124e61yxX7Ws3B57d4+virKlzqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:52:44.182696Z"},"content_sha256":"264831d69478a48854e79ab125481287a8304255f90b865231e6e0791a2ca7cc","schema_version":"1.0","event_id":"sha256:264831d69478a48854e79ab125481287a8304255f90b865231e6e0791a2ca7cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:ITSBXTOPFVMNOERMLZTQKZCDN7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Cross-Internal Linear Combination Approach to Probe the Secondary CMB Anisotropies: Kinematic Sunyaev-Zel{'}dovich Effect and CMB Lensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Srinivasan Raghunathan, Yuuki Omori","submitted_at":"2023-04-18T17:54:20Z","abstract_excerpt":"We propose a cross-internal linear combination (cross-ILC) approach to measure the small-scale cosmic microwave background (CMB) anisotropies robustly against the contamination from astrophysical signals. In particular, we focus on the mitigation of systematics from cosmic infrared background (CIB) and thermal Sunyaev-Zeldovich (tSZ) signals in kinematic SZ (kSZ) power spectrum and CMB lensing. We show the cross-spectrum measurement between two CMB maps created by nulling the contributions from CIB (CIB-free map) and tSZ (tSZ-free map) to be robust for kSZ as the approach significantly suppres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.09166","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.09166/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":"2026-07-05T06:22:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcHn3UEad+tCNPFc2qNG/Zfmi0IBA53aKbaeOg+3+bZFv4W2me5wQVgB6mjfPYrgiWUGgzdRMRAgUQrjCgWyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:52:44.183202Z"},"content_sha256":"f4da260c73eac528ffac465caaf1a972768993a8e66413c53ab99290a600b23c","schema_version":"1.0","event_id":"sha256:f4da260c73eac528ffac465caaf1a972768993a8e66413c53ab99290a600b23c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/bundle.json","state_url":"https://pith.science/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/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":"2026-08-07T06:52:44Z","links":{"resolver":"https://pith.science/pith/ITSBXTOPFVMNOERMLZTQKZCDN7","bundle":"https://pith.science/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/bundle.json","state":"https://pith.science/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITSBXTOPFVMNOERMLZTQKZCDN7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:ITSBXTOPFVMNOERMLZTQKZCDN7","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":"7f2aa923c11f91bb33e4b33fcae8168f8bb55b5b8907d1d43db8483fa5b1958e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-04-18T17:54:20Z","title_canon_sha256":"88ac98bb775575d34a89058e5600e653434fafa191c5ae37337996a8a040d16a"},"schema_version":"1.0","source":{"id":"2304.09166","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.09166","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"arxiv_version","alias_value":"2304.09166v2","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.09166","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_12","alias_value":"ITSBXTOPFVMN","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_16","alias_value":"ITSBXTOPFVMNOERM","created_at":"2026-07-05T06:22:03Z"},{"alias_kind":"pith_short_8","alias_value":"ITSBXTOP","created_at":"2026-07-05T06:22:03Z"}],"graph_snapshots":[{"event_id":"sha256:f4da260c73eac528ffac465caaf1a972768993a8e66413c53ab99290a600b23c","target":"graph","created_at":"2026-07-05T06:22:03Z","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/2304.09166/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a cross-internal linear combination (cross-ILC) approach to measure the small-scale cosmic microwave background (CMB) anisotropies robustly against the contamination from astrophysical signals. In particular, we focus on the mitigation of systematics from cosmic infrared background (CIB) and thermal Sunyaev-Zeldovich (tSZ) signals in kinematic SZ (kSZ) power spectrum and CMB lensing. We show the cross-spectrum measurement between two CMB maps created by nulling the contributions from CIB (CIB-free map) and tSZ (tSZ-free map) to be robust for kSZ as the approach significantly suppres","authors_text":"Srinivasan Raghunathan, Yuuki Omori","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-04-18T17:54:20Z","title":"A Cross-Internal Linear Combination Approach to Probe the Secondary CMB Anisotropies: Kinematic Sunyaev-Zel{'}dovich Effect and CMB Lensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.09166","kind":"arxiv","version":2},"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":"sha256:264831d69478a48854e79ab125481287a8304255f90b865231e6e0791a2ca7cc","target":"record","created_at":"2026-07-05T06:22:03Z","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":"7f2aa923c11f91bb33e4b33fcae8168f8bb55b5b8907d1d43db8483fa5b1958e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-04-18T17:54:20Z","title_canon_sha256":"88ac98bb775575d34a89058e5600e653434fafa191c5ae37337996a8a040d16a"},"schema_version":"1.0","source":{"id":"2304.09166","kind":"arxiv","version":2}},"canonical_sha256":"44e41bcdcf2d58d7122c5e670564436fc71b75a7db87b067faee52e3763ae207","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44e41bcdcf2d58d7122c5e670564436fc71b75a7db87b067faee52e3763ae207","first_computed_at":"2026-07-05T06:22:03.263694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:22:03.263694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vA+X+3nxu4SU7SizljYzwhGSGt/imDD7lTJlZgNGRboEHh7ghVZQ84kWelJUGM096Kp/fOYXp2tC8MFHAUvZCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:22:03.264155Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.09166","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:264831d69478a48854e79ab125481287a8304255f90b865231e6e0791a2ca7cc","sha256:f4da260c73eac528ffac465caaf1a972768993a8e66413c53ab99290a600b23c"],"state_sha256":"faa7e34f97d4f21d7caffe3606af825bdf94516f7072109910c139a2345b57b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s0a3vQdG/DCOEzNA38cJ94zGsHc1lHLAyw0aYm/LQ1w/RdK4eh1wKz8aClIaWoCHzYyN4G3IK5XFiqzj/sTrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T06:52:44.203214Z","bundle_sha256":"606210618d2980af24fa6d63396c4564936ed44cd42d2c70bc32e918b9279fa5"}}