{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:AZO4K7KKHMSNELPRU4HOWQOKWY","short_pith_number":"pith:AZO4K7KK","canonical_record":{"source":{"id":"0803.2350","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-17T11:51:13Z","cross_cats_sorted":[],"title_canon_sha256":"60e0a06148d0e81cc76bd7bb9686d726d0b1cf8e4d82e068462ac33e12e2c72d","abstract_canon_sha256":"58b897cbfe61684142d8a40a2095ae4f65a81829e612c7eeb11910fa431e647f"},"schema_version":"1.0"},"canonical_sha256":"065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160","source":{"kind":"arxiv","id":"0803.2350","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.2350","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"arxiv_version","alias_value":"0803.2350v3","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.2350","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"pith_short_12","alias_value":"AZO4K7KKHMSN","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"AZO4K7KKHMSNELPR","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"AZO4K7KK","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:AZO4K7KKHMSNELPRU4HOWQOKWY","target":"record","payload":{"canonical_record":{"source":{"id":"0803.2350","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-17T11:51:13Z","cross_cats_sorted":[],"title_canon_sha256":"60e0a06148d0e81cc76bd7bb9686d726d0b1cf8e4d82e068462ac33e12e2c72d","abstract_canon_sha256":"58b897cbfe61684142d8a40a2095ae4f65a81829e612c7eeb11910fa431e647f"},"schema_version":"1.0"},"canonical_sha256":"065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:41.385130Z","signature_b64":"RsokZ0q/kcWUT51xXbo3MmH1kBefVyoDa71nAvkxOvbyDygqoTVuVMq0bHqlsKFIo7EAZwnbVLY+yE0B5h75Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160","last_reissued_at":"2026-05-18T04:36:41.384732Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:41.384732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.2350","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":"2026-05-18T04:36:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wyHTc+KI/SL4HAF8MGUwezYvR4BtncgxyTzFl1Dq10NlqJliaHiIJv7yru1e/sTH1In5NDOXe93yJCSUwvXuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:52:16.776901Z"},"content_sha256":"08a997f7cb9badff871acd0c51e723e661585a1e0d4cc50fc7af4b8aaf6f5108","schema_version":"1.0","event_id":"sha256:08a997f7cb9badff871acd0c51e723e661585a1e0d4cc50fc7af4b8aaf6f5108"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:AZO4K7KKHMSNELPRU4HOWQOKWY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing CPT Symmetry with CMB Measurements: Update after WMAP5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Gong-Bo Zhao, Hong Li, Jun-Qing Xia, Xinmin Zhang","submitted_at":"2008-03-17T11:51:13Z","abstract_excerpt":"In this Letter we update our previous result on the test of CPT symmetry with Cosmic Microwave Background (CMB) measurements. A CPT violating interaction in the photon sector ${\\cal L}_{cs} \\sim p_{\\mu}A_{\\nu}\\tilde F^{\\mu\\nu}$ gives rise to a rotation of the polarization vectors of the propagating CMB photons. Recently the WMAP group used the newly released polarization data of WMAP5 to measure this rotation angle $\\Delta\\alpha$ and obtained $\\Delta\\alpha=-1.7\\pm2.1$ deg ($1\\sigma$). However, in their analysis the BOOMERanG 2003 data is not included. Here we revisit this issue by combining th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.2350","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":""},"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":"2026-05-18T04:36:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pug6XcfOaIOlgzWUBjqBEA78sch/8sICFeqnXr2TXOcuqUXrolzAzhgvEfavIuVQCrMDzXq0uDM7hl/DoLCyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:52:16.777242Z"},"content_sha256":"dc507b5ed9bcf286a080ff919924ecab1eeafbec971ff6f3d771484bc8b0ca3c","schema_version":"1.0","event_id":"sha256:dc507b5ed9bcf286a080ff919924ecab1eeafbec971ff6f3d771484bc8b0ca3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/bundle.json","state_url":"https://pith.science/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/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":"2026-06-02T13:52:16Z","links":{"resolver":"https://pith.science/pith/AZO4K7KKHMSNELPRU4HOWQOKWY","bundle":"https://pith.science/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/bundle.json","state":"https://pith.science/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZO4K7KKHMSNELPRU4HOWQOKWY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:AZO4K7KKHMSNELPRU4HOWQOKWY","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":"58b897cbfe61684142d8a40a2095ae4f65a81829e612c7eeb11910fa431e647f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-17T11:51:13Z","title_canon_sha256":"60e0a06148d0e81cc76bd7bb9686d726d0b1cf8e4d82e068462ac33e12e2c72d"},"schema_version":"1.0","source":{"id":"0803.2350","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.2350","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"arxiv_version","alias_value":"0803.2350v3","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.2350","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"pith_short_12","alias_value":"AZO4K7KKHMSN","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"AZO4K7KKHMSNELPR","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"AZO4K7KK","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:dc507b5ed9bcf286a080ff919924ecab1eeafbec971ff6f3d771484bc8b0ca3c","target":"graph","created_at":"2026-05-18T04:36:41Z","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":"In this Letter we update our previous result on the test of CPT symmetry with Cosmic Microwave Background (CMB) measurements. A CPT violating interaction in the photon sector ${\\cal L}_{cs} \\sim p_{\\mu}A_{\\nu}\\tilde F^{\\mu\\nu}$ gives rise to a rotation of the polarization vectors of the propagating CMB photons. Recently the WMAP group used the newly released polarization data of WMAP5 to measure this rotation angle $\\Delta\\alpha$ and obtained $\\Delta\\alpha=-1.7\\pm2.1$ deg ($1\\sigma$). However, in their analysis the BOOMERanG 2003 data is not included. Here we revisit this issue by combining th","authors_text":"Gong-Bo Zhao, Hong Li, Jun-Qing Xia, Xinmin Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-17T11:51:13Z","title":"Testing CPT Symmetry with CMB Measurements: Update after WMAP5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.2350","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":"sha256:08a997f7cb9badff871acd0c51e723e661585a1e0d4cc50fc7af4b8aaf6f5108","target":"record","created_at":"2026-05-18T04:36:41Z","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":"58b897cbfe61684142d8a40a2095ae4f65a81829e612c7eeb11910fa431e647f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-17T11:51:13Z","title_canon_sha256":"60e0a06148d0e81cc76bd7bb9686d726d0b1cf8e4d82e068462ac33e12e2c72d"},"schema_version":"1.0","source":{"id":"0803.2350","kind":"arxiv","version":3}},"canonical_sha256":"065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160","first_computed_at":"2026-05-18T04:36:41.384732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:41.384732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RsokZ0q/kcWUT51xXbo3MmH1kBefVyoDa71nAvkxOvbyDygqoTVuVMq0bHqlsKFIo7EAZwnbVLY+yE0B5h75Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:41.385130Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.2350","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08a997f7cb9badff871acd0c51e723e661585a1e0d4cc50fc7af4b8aaf6f5108","sha256:dc507b5ed9bcf286a080ff919924ecab1eeafbec971ff6f3d771484bc8b0ca3c"],"state_sha256":"83d735e3e7bbe049af92a91278a43b6c9ec2252e38384eecd930a1dafdbd579b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5AZYNSNttol9Dnl6dIy2XyTXWuXDesHf/RyGGaRPTMcbH0Z+Fe02Tpa4rri6CjZO2xxZ0CIOVkO+E3C0R2ZnAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:52:16.779089Z","bundle_sha256":"6bf5f1949a6c45139a0f2750aacf66be013dc499e62bd74919c50ff84e876f9d"}}