{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:WJM67P2OFMPBNTJLV6RFU4YHOR","short_pith_number":"pith:WJM67P2O","canonical_record":{"source":{"id":"0704.3132","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2007-04-24T07:42:57Z","cross_cats_sorted":[],"title_canon_sha256":"cd9537084edf8fa66c7042c9c86cbc539b01e98385777b8f088dac2a2a342304","abstract_canon_sha256":"a6148f168e71b20e782c7d9bf4fe33091b8e9d452e9862ad10afa9962377ae0f"},"schema_version":"1.0"},"canonical_sha256":"b259efbf4e2b1e16cd2bafa25a73077477aab165c3554494a6e2a6eb6a375643","source":{"kind":"arxiv","id":"0704.3132","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0704.3132","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"arxiv_version","alias_value":"0704.3132v1","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.3132","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"pith_short_12","alias_value":"WJM67P2OFMPB","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"WJM67P2OFMPBNTJL","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"WJM67P2O","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:WJM67P2OFMPBNTJLV6RFU4YHOR","target":"record","payload":{"canonical_record":{"source":{"id":"0704.3132","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2007-04-24T07:42:57Z","cross_cats_sorted":[],"title_canon_sha256":"cd9537084edf8fa66c7042c9c86cbc539b01e98385777b8f088dac2a2a342304","abstract_canon_sha256":"a6148f168e71b20e782c7d9bf4fe33091b8e9d452e9862ad10afa9962377ae0f"},"schema_version":"1.0"},"canonical_sha256":"b259efbf4e2b1e16cd2bafa25a73077477aab165c3554494a6e2a6eb6a375643","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:54.905087Z","signature_b64":"7uZciI68nL8ClBlw3Zb7FJ1S5dwq9D0E7/Qxyc98QzB7kpvDKyNZ5QCHQ20PcGmfbOvPqj04V245a92L5EgjAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b259efbf4e2b1e16cd2bafa25a73077477aab165c3554494a6e2a6eb6a375643","last_reissued_at":"2026-05-18T04:26:54.904248Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:54.904248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0704.3132","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:26:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MIHszHZn6pjStO2KTqRRAdkGncJQV04dOE9HN2nvAt+p4l/nwnN67LHLxmbSvm6IBTnQ938BcxUFhoHQOid/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:48:45.052251Z"},"content_sha256":"07b8d9cce6e64689c49778aaf52ccabe4c4e7f273aaccba29808ea3385e71a7d","schema_version":"1.0","event_id":"sha256:07b8d9cce6e64689c49778aaf52ccabe4c4e7f273aaccba29808ea3385e71a7d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:WJM67P2OFMPBNTJLV6RFU4YHOR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct CP violation in $\\bar{B}^0 \\to \\rho^0(\\omega)\\rho^0(\\omega) \\to \\pi^+\\pi^-\\pi^+\\pi^-$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"X.-H. Guo, Z.-H. Zhang","submitted_at":"2007-04-24T07:42:57Z","abstract_excerpt":"We study the direct CP violation in $\\bar{B}^0 \\to \\rho^0(\\omega)\\rho^0(\\omega) \\to \\pi^+\\pi^-\\pi^+\\pi^-$ (with unpolarized $\\rho^0(\\omega)$) via the $\\rho-\\omega$ mixing mechanism which causes a large strong phase difference and consequently a large CP violating asymmetry when the masses of the $\\pi^+\\pi^-$ pairs are in the vicinity of the $\\omega$ resonance. Since there are two $\\rho (\\omega)$ mesons in the intermediate state $\\rho-\\omega$ mixing contributes twice to the first order of isospin violation, leading to an even larger CP violating asymmetry (could be 30% -- 50% larger) than in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.3132","kind":"arxiv","version":1},"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":"2026-05-18T04:26:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZS/uY0YcN47DV+zHOieL29NQEgY8asPW24mdSVxKJC0I3LXP0hbOb7Bh76VT91iNvumWm2wP0/AbzsUace/RDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:48:45.053011Z"},"content_sha256":"4b0eabd6355b35f1809acedea3597fd0a4d524e22055a98ced61b1e91d87bd70","schema_version":"1.0","event_id":"sha256:4b0eabd6355b35f1809acedea3597fd0a4d524e22055a98ced61b1e91d87bd70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/bundle.json","state_url":"https://pith.science/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/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":"2026-06-09T22:48:45Z","links":{"resolver":"https://pith.science/pith/WJM67P2OFMPBNTJLV6RFU4YHOR","bundle":"https://pith.science/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/bundle.json","state":"https://pith.science/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WJM67P2OFMPBNTJLV6RFU4YHOR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:WJM67P2OFMPBNTJLV6RFU4YHOR","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":"a6148f168e71b20e782c7d9bf4fe33091b8e9d452e9862ad10afa9962377ae0f","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2007-04-24T07:42:57Z","title_canon_sha256":"cd9537084edf8fa66c7042c9c86cbc539b01e98385777b8f088dac2a2a342304"},"schema_version":"1.0","source":{"id":"0704.3132","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0704.3132","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"arxiv_version","alias_value":"0704.3132v1","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.3132","created_at":"2026-05-18T04:26:54Z"},{"alias_kind":"pith_short_12","alias_value":"WJM67P2OFMPB","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"WJM67P2OFMPBNTJL","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"WJM67P2O","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:4b0eabd6355b35f1809acedea3597fd0a4d524e22055a98ced61b1e91d87bd70","target":"graph","created_at":"2026-05-18T04:26:54Z","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":"We study the direct CP violation in $\\bar{B}^0 \\to \\rho^0(\\omega)\\rho^0(\\omega) \\to \\pi^+\\pi^-\\pi^+\\pi^-$ (with unpolarized $\\rho^0(\\omega)$) via the $\\rho-\\omega$ mixing mechanism which causes a large strong phase difference and consequently a large CP violating asymmetry when the masses of the $\\pi^+\\pi^-$ pairs are in the vicinity of the $\\omega$ resonance. Since there are two $\\rho (\\omega)$ mesons in the intermediate state $\\rho-\\omega$ mixing contributes twice to the first order of isospin violation, leading to an even larger CP violating asymmetry (could be 30% -- 50% larger) than in th","authors_text":"X.-H. Guo, Z.-H. Zhang","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2007-04-24T07:42:57Z","title":"Direct CP violation in $\\bar{B}^0 \\to \\rho^0(\\omega)\\rho^0(\\omega) \\to \\pi^+\\pi^-\\pi^+\\pi^-$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.3132","kind":"arxiv","version":1},"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":"sha256:07b8d9cce6e64689c49778aaf52ccabe4c4e7f273aaccba29808ea3385e71a7d","target":"record","created_at":"2026-05-18T04:26:54Z","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":"a6148f168e71b20e782c7d9bf4fe33091b8e9d452e9862ad10afa9962377ae0f","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2007-04-24T07:42:57Z","title_canon_sha256":"cd9537084edf8fa66c7042c9c86cbc539b01e98385777b8f088dac2a2a342304"},"schema_version":"1.0","source":{"id":"0704.3132","kind":"arxiv","version":1}},"canonical_sha256":"b259efbf4e2b1e16cd2bafa25a73077477aab165c3554494a6e2a6eb6a375643","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b259efbf4e2b1e16cd2bafa25a73077477aab165c3554494a6e2a6eb6a375643","first_computed_at":"2026-05-18T04:26:54.904248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:54.904248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7uZciI68nL8ClBlw3Zb7FJ1S5dwq9D0E7/Qxyc98QzB7kpvDKyNZ5QCHQ20PcGmfbOvPqj04V245a92L5EgjAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:54.905087Z","signed_message":"canonical_sha256_bytes"},"source_id":"0704.3132","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07b8d9cce6e64689c49778aaf52ccabe4c4e7f273aaccba29808ea3385e71a7d","sha256:4b0eabd6355b35f1809acedea3597fd0a4d524e22055a98ced61b1e91d87bd70"],"state_sha256":"bec3b308b952d732a86ceeb8e96cc77932ea86b99f00e102021235b8022c2c20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZZ3qrG7Qz/YarlfniLnGH07dkPEtqUVZ3I/Z9pVeVP0ruq2B4qvqbAAh4ZKAvlSxYU/91IGO0Y8aCYL0aTu7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T22:48:45.056847Z","bundle_sha256":"480df28c3d4f6dc81e667b1875b6c765a735ae29bc2c49c74eb6c2e3c9fcab94"}}