{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IU6C22V3HYNEXDNTRH36ZHJNRZ","short_pith_number":"pith:IU6C22V3","canonical_record":{"source":{"id":"1204.6604","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-30T11:47:14Z","cross_cats_sorted":[],"title_canon_sha256":"db395aaec5bbb688d49ea4beb994dc2c717da60ab7f6a05c4e704bfb2b9c3d8b","abstract_canon_sha256":"68845c598d739fe23f672fa56b6140fabf3bae590dcb82401814e915e9a916a5"},"schema_version":"1.0"},"canonical_sha256":"453c2d6abb3e1a4b8db389f7ec9d2d8e55f1021d597a781606ae82913ecb47e0","source":{"kind":"arxiv","id":"1204.6604","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6604","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6604v2","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6604","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"pith_short_12","alias_value":"IU6C22V3HYNE","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IU6C22V3HYNEXDNT","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IU6C22V3","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IU6C22V3HYNEXDNTRH36ZHJNRZ","target":"record","payload":{"canonical_record":{"source":{"id":"1204.6604","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-30T11:47:14Z","cross_cats_sorted":[],"title_canon_sha256":"db395aaec5bbb688d49ea4beb994dc2c717da60ab7f6a05c4e704bfb2b9c3d8b","abstract_canon_sha256":"68845c598d739fe23f672fa56b6140fabf3bae590dcb82401814e915e9a916a5"},"schema_version":"1.0"},"canonical_sha256":"453c2d6abb3e1a4b8db389f7ec9d2d8e55f1021d597a781606ae82913ecb47e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:01.490393Z","signature_b64":"xtfe3fDyJrH+6Dn87R6t469ATpU+kzyAtzd/YwHcXwITQeWwKtywHWodd8EwLfa0b2b1SXSFg0ift5pCjCYCDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"453c2d6abb3e1a4b8db389f7ec9d2d8e55f1021d597a781606ae82913ecb47e0","last_reissued_at":"2026-05-18T02:39:01.489707Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:01.489707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.6604","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":"2026-05-18T02:39:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvXRu7ieuFlNiL3MysmTdwxzQ83z2FJBKiMgrg/E8vfMTbRDP7JOiCdjTU720aozKGdQqXY12K4gKJM4rpMCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T09:42:37.551728Z"},"content_sha256":"3d4ae4fc070b13cdcde085c5fae468a8218e2afa2ad99576af964da6a848434a","schema_version":"1.0","event_id":"sha256:3d4ae4fc070b13cdcde085c5fae468a8218e2afa2ad99576af964da6a848434a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IU6C22V3HYNEXDNTRH36ZHJNRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the CP-violating phase $\\delta_{\\rm CP}$ in fermion mixing matrices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bo-Qiang Ma, Xinyi Zhang","submitted_at":"2012-04-30T11:47:14Z","abstract_excerpt":"The recent established large $\\theta_{13}$ in neutrino mixing provides an optimistic possibility for the investigation of the CP violation, therefore it is necessary to study the CP-violating phase $\\delta_{\\rm CP}$ in detail. Based on the maximal CP violation hypothesis in the original Kobayashi-Maskawa (KM) scheme of neutrino mixing matrix, i.e., $\\delta_{\\rm KM}=90^\\circ$, we calculate $\\delta_{\\rm CK}$ for both quarks and leptons in the Chau-Keung (CK) scheme of the standard parametrization and find that $\\delta^{\\mathrm{quark}}_{\\mathrm{CK}}=(68.62^{+0.89}_{-0.81})^\\circ$ and $\\delta^{\\ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6604","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":"2026-05-18T02:39:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TkR2AvRSUU00CthM66H+tFuDcj4CSsgKTWuQ28IHWAqL0oBOQwZBBGwbBAaQBTyopWQXYoqSv+hY1NWbc4MACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T09:42:37.552224Z"},"content_sha256":"01fa4eed8aceb57cca2471b9bd5b469318a69d13c2275b8f70c230fcdf6dff10","schema_version":"1.0","event_id":"sha256:01fa4eed8aceb57cca2471b9bd5b469318a69d13c2275b8f70c230fcdf6dff10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/bundle.json","state_url":"https://pith.science/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/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":"2026-05-21T09:42:37Z","links":{"resolver":"https://pith.science/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ","bundle":"https://pith.science/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/bundle.json","state":"https://pith.science/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IU6C22V3HYNEXDNTRH36ZHJNRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IU6C22V3HYNEXDNTRH36ZHJNRZ","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":"68845c598d739fe23f672fa56b6140fabf3bae590dcb82401814e915e9a916a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-30T11:47:14Z","title_canon_sha256":"db395aaec5bbb688d49ea4beb994dc2c717da60ab7f6a05c4e704bfb2b9c3d8b"},"schema_version":"1.0","source":{"id":"1204.6604","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6604","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6604v2","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6604","created_at":"2026-05-18T02:39:01Z"},{"alias_kind":"pith_short_12","alias_value":"IU6C22V3HYNE","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IU6C22V3HYNEXDNT","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IU6C22V3","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:01fa4eed8aceb57cca2471b9bd5b469318a69d13c2275b8f70c230fcdf6dff10","target":"graph","created_at":"2026-05-18T02:39:01Z","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":"The recent established large $\\theta_{13}$ in neutrino mixing provides an optimistic possibility for the investigation of the CP violation, therefore it is necessary to study the CP-violating phase $\\delta_{\\rm CP}$ in detail. Based on the maximal CP violation hypothesis in the original Kobayashi-Maskawa (KM) scheme of neutrino mixing matrix, i.e., $\\delta_{\\rm KM}=90^\\circ$, we calculate $\\delta_{\\rm CK}$ for both quarks and leptons in the Chau-Keung (CK) scheme of the standard parametrization and find that $\\delta^{\\mathrm{quark}}_{\\mathrm{CK}}=(68.62^{+0.89}_{-0.81})^\\circ$ and $\\delta^{\\ma","authors_text":"Bo-Qiang Ma, Xinyi Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-30T11:47:14Z","title":"On the CP-violating phase $\\delta_{\\rm CP}$ in fermion mixing matrices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6604","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":"sha256:3d4ae4fc070b13cdcde085c5fae468a8218e2afa2ad99576af964da6a848434a","target":"record","created_at":"2026-05-18T02:39:01Z","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":"68845c598d739fe23f672fa56b6140fabf3bae590dcb82401814e915e9a916a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-30T11:47:14Z","title_canon_sha256":"db395aaec5bbb688d49ea4beb994dc2c717da60ab7f6a05c4e704bfb2b9c3d8b"},"schema_version":"1.0","source":{"id":"1204.6604","kind":"arxiv","version":2}},"canonical_sha256":"453c2d6abb3e1a4b8db389f7ec9d2d8e55f1021d597a781606ae82913ecb47e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"453c2d6abb3e1a4b8db389f7ec9d2d8e55f1021d597a781606ae82913ecb47e0","first_computed_at":"2026-05-18T02:39:01.489707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:01.489707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xtfe3fDyJrH+6Dn87R6t469ATpU+kzyAtzd/YwHcXwITQeWwKtywHWodd8EwLfa0b2b1SXSFg0ift5pCjCYCDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:01.490393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.6604","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d4ae4fc070b13cdcde085c5fae468a8218e2afa2ad99576af964da6a848434a","sha256:01fa4eed8aceb57cca2471b9bd5b469318a69d13c2275b8f70c230fcdf6dff10"],"state_sha256":"6eaa031d2c15d9b307768396bbcf64bb9dacc86ba1f446b1586b03e61e79638c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DswgcWqfcZwBFPhcTm5tW5uz4O3swnJWxQ1q22rjjzI1Fc4Ta1L2cD13EWx9c2eHWGm6ylM8ullrbYCbbE8RDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T09:42:37.554445Z","bundle_sha256":"1acd791f84887c17b31b7ba480b5fec7d8fde7e2a2e09d64d791839add04276a"}}