{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:KROPNXDP7AWVHETKGPKPJBNK22","short_pith_number":"pith:KROPNXDP","canonical_record":{"source":{"id":"astro-ph/0410544","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-10-22T15:35:06Z","cross_cats_sorted":[],"title_canon_sha256":"9df266ddfb22c17bb9bbcae2146ac557156601886922b6bf709e4ec98411e649","abstract_canon_sha256":"792694c3a8595d957615b32e7b90591b54aa132080ecbdd63c7ee13672b0b9bb"},"schema_version":"1.0"},"canonical_sha256":"545cf6dc6ff82d53926a33d4f485aad6931e1fbc2d46406a66c0ea18622186e1","source":{"kind":"arxiv","id":"astro-ph/0410544","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0410544","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0410544v2","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0410544","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"pith_short_12","alias_value":"KROPNXDP7AWV","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"KROPNXDP7AWVHETK","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"KROPNXDP","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:KROPNXDP7AWVHETKGPKPJBNK22","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0410544","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-10-22T15:35:06Z","cross_cats_sorted":[],"title_canon_sha256":"9df266ddfb22c17bb9bbcae2146ac557156601886922b6bf709e4ec98411e649","abstract_canon_sha256":"792694c3a8595d957615b32e7b90591b54aa132080ecbdd63c7ee13672b0b9bb"},"schema_version":"1.0"},"canonical_sha256":"545cf6dc6ff82d53926a33d4f485aad6931e1fbc2d46406a66c0ea18622186e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:03.197211Z","signature_b64":"kVn7wzegXnzOfxm7nyjkkAGEA8LNPsd/lpDePTu7nQjKfsTQqhgn7OdMl+sNfyfDglvf7uZGaJBRUJW0bEghBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"545cf6dc6ff82d53926a33d4f485aad6931e1fbc2d46406a66c0ea18622186e1","last_reissued_at":"2026-05-18T01:09:03.196835Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:03.196835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0410544","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":"2026-05-18T01:09:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fe1T84pTulhxlKnsG9xNNBpvW6+sJI5Ss25qtuTft0+SEA1WMuJ6DEkjfRrNi75No9NR/2qPqf+/Xni7Bu3TBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:52:10.168362Z"},"content_sha256":"eec92cc5f14afbde474f20a432760d8e5055fbe2b379adcde58cc578a5977d62","schema_version":"1.0","event_id":"sha256:eec92cc5f14afbde474f20a432760d8e5055fbe2b379adcde58cc578a5977d62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:KROPNXDP7AWVHETKGPKPJBNK22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beam mismatch effects in Cosmic Microwave Background polarization measurements","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Antony J. Murphy, Cyrille Rosset (PCC, Jacques Delabrouille (PCC), Jean Kaplan (PCC), Jean-Michel Lamarre (LERMA), LAL), Vladimir Yurchenko, Yannick Giraud-H\\'eraud (PCC)","submitted_at":"2004-10-22T15:35:06Z","abstract_excerpt":"Measurement of cosmic microwave background polarization is today a major goal of observational cosmology. The level of the signal to measure, however, makes it very sensitive to various systematic effects. In the case of Planck, which measures polarization by combining data from various detectors, the beam asymmetry can induce a temperature leakage or a polarization mode mixing. In this paper, we investigate this effect using realistic simulated beams and propose a first-order method to correct the polarization power spectra for the induced systematic effect."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0410544","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:09:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ip9aEg+JQNTwzJZaKbdduakilT6d5GWTkJrUwRHJkwjYdo8YNCcYZwcDA1N1E2jUxQvNECDtiQbS8iP+jJbnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:52:10.168711Z"},"content_sha256":"8767739e7794ed0c68e19dbe46f4b8d8a895a9b1579fa66668f02717a5ccde17","schema_version":"1.0","event_id":"sha256:8767739e7794ed0c68e19dbe46f4b8d8a895a9b1579fa66668f02717a5ccde17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KROPNXDP7AWVHETKGPKPJBNK22/bundle.json","state_url":"https://pith.science/pith/KROPNXDP7AWVHETKGPKPJBNK22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KROPNXDP7AWVHETKGPKPJBNK22/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":"2026-06-03T17:52:10Z","links":{"resolver":"https://pith.science/pith/KROPNXDP7AWVHETKGPKPJBNK22","bundle":"https://pith.science/pith/KROPNXDP7AWVHETKGPKPJBNK22/bundle.json","state":"https://pith.science/pith/KROPNXDP7AWVHETKGPKPJBNK22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KROPNXDP7AWVHETKGPKPJBNK22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:KROPNXDP7AWVHETKGPKPJBNK22","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":"792694c3a8595d957615b32e7b90591b54aa132080ecbdd63c7ee13672b0b9bb","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-10-22T15:35:06Z","title_canon_sha256":"9df266ddfb22c17bb9bbcae2146ac557156601886922b6bf709e4ec98411e649"},"schema_version":"1.0","source":{"id":"astro-ph/0410544","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0410544","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0410544v2","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0410544","created_at":"2026-05-18T01:09:03Z"},{"alias_kind":"pith_short_12","alias_value":"KROPNXDP7AWV","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"KROPNXDP7AWVHETK","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"KROPNXDP","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:8767739e7794ed0c68e19dbe46f4b8d8a895a9b1579fa66668f02717a5ccde17","target":"graph","created_at":"2026-05-18T01:09:03Z","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"},"paper":{"abstract_excerpt":"Measurement of cosmic microwave background polarization is today a major goal of observational cosmology. The level of the signal to measure, however, makes it very sensitive to various systematic effects. In the case of Planck, which measures polarization by combining data from various detectors, the beam asymmetry can induce a temperature leakage or a polarization mode mixing. In this paper, we investigate this effect using realistic simulated beams and propose a first-order method to correct the polarization power spectra for the induced systematic effect.","authors_text":"Antony J. Murphy, Cyrille Rosset (PCC, Jacques Delabrouille (PCC), Jean Kaplan (PCC), Jean-Michel Lamarre (LERMA), LAL), Vladimir Yurchenko, Yannick Giraud-H\\'eraud (PCC)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-10-22T15:35:06Z","title":"Beam mismatch effects in Cosmic Microwave Background polarization measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0410544","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:eec92cc5f14afbde474f20a432760d8e5055fbe2b379adcde58cc578a5977d62","target":"record","created_at":"2026-05-18T01:09:03Z","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":"792694c3a8595d957615b32e7b90591b54aa132080ecbdd63c7ee13672b0b9bb","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-10-22T15:35:06Z","title_canon_sha256":"9df266ddfb22c17bb9bbcae2146ac557156601886922b6bf709e4ec98411e649"},"schema_version":"1.0","source":{"id":"astro-ph/0410544","kind":"arxiv","version":2}},"canonical_sha256":"545cf6dc6ff82d53926a33d4f485aad6931e1fbc2d46406a66c0ea18622186e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"545cf6dc6ff82d53926a33d4f485aad6931e1fbc2d46406a66c0ea18622186e1","first_computed_at":"2026-05-18T01:09:03.196835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:03.196835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kVn7wzegXnzOfxm7nyjkkAGEA8LNPsd/lpDePTu7nQjKfsTQqhgn7OdMl+sNfyfDglvf7uZGaJBRUJW0bEghBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:03.197211Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0410544","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eec92cc5f14afbde474f20a432760d8e5055fbe2b379adcde58cc578a5977d62","sha256:8767739e7794ed0c68e19dbe46f4b8d8a895a9b1579fa66668f02717a5ccde17"],"state_sha256":"5d46a84c087cb9e543bc835d74b6b0570d68b5dae0dbb90c7324191241e4381b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bT16W74A39qvFueBZOtt7SKr/LNq5xljG9wlLKQ3BS0y1vb7K/jSH+CwHlpwkCyx9Lr6Nfy+ERtZ2tTWWqaLBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:52:10.170600Z","bundle_sha256":"73450a320afcef8d4a2cdb85cbbd38f301f8a8de9f12d2adf267a08584431045"}}