{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:26B2OGGNGDCOUAB75UAAYCXCNH","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":"ca5fd1a7703316f1b1383bb04f1d0973e12779b4389e0218b85d1258ae21fd31","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-09T03:51:48Z","title_canon_sha256":"4b8ed8627df88d6d922e867d51cc896de189e7273e92cc03f43704ccbe369939"},"schema_version":"1.0","source":{"id":"hep-ex/0507039","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0507039","created_at":"2026-07-04T23:54:22Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0507039v1","created_at":"2026-07-04T23:54:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0507039","created_at":"2026-07-04T23:54:22Z"},{"alias_kind":"pith_short_12","alias_value":"26B2OGGNGDCO","created_at":"2026-07-04T23:54:22Z"},{"alias_kind":"pith_short_16","alias_value":"26B2OGGNGDCOUAB7","created_at":"2026-07-04T23:54:22Z"},{"alias_kind":"pith_short_8","alias_value":"26B2OGGN","created_at":"2026-07-04T23:54:22Z"}],"graph_snapshots":[{"event_id":"sha256:7325911258f87c346b5fe339ef075482edd0389237a361a04e379e84beacba12","target":"graph","created_at":"2026-07-04T23:54:22Z","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/hep-ex/0507039/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have measured the branching fraction, longitudinal polarization fraction f_L, and the CP asymmetry coefficients A and S in B0 -> rho+rho- decays. These results are obtained from a 253 fb-1 data sample containing 275 million B\\bar{B} pairs collected by the Belle detector running at the KEKB e+e- collider. We obtain B = [24.4 \\pm 2.2 (stat) +3.8 -4.1 (syst)] x 10-6, f_L = 0.951 +0.033 -0.039 (stat) +0.029 -0.031 (syst), A = 0.00 \\pm 0.30 (stat) +0.10 -0.09 (syst), and S = 0.09 \\pm 0.42 (stat) \\pm 0.08 (syst). These values are used to determine the CKM phase angle phi_2 (alpha) via an isospin ","authors_text":"et al. (for the Belle Collaboration), K. Abe","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2005-07-09T03:51:48Z","title":"Measurement of the branching fraction, polarization, and CP asymmetry in B0 -> rho+rho- decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0507039","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":"sha256:5cb9e933737af27ce29dd9911f10d4aedfca7b610398852add123c7c5764ec05","target":"record","created_at":"2026-07-04T23:54:22Z","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":"ca5fd1a7703316f1b1383bb04f1d0973e12779b4389e0218b85d1258ae21fd31","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-09T03:51:48Z","title_canon_sha256":"4b8ed8627df88d6d922e867d51cc896de189e7273e92cc03f43704ccbe369939"},"schema_version":"1.0","source":{"id":"hep-ex/0507039","kind":"arxiv","version":1}},"canonical_sha256":"d783a718cd30c4ea003fed000c0ae269d3c392988fd7d2b508c35bea1c9e9da1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d783a718cd30c4ea003fed000c0ae269d3c392988fd7d2b508c35bea1c9e9da1","first_computed_at":"2026-07-04T23:54:22.127148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:54:22.127148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PmJKsusfJUcBzjX6WkQFQaUMnAk3uNOb5RHCJmHc6SwvHhqcCX9yVddV8PuIKiYa4lYtF//X9lJGC4Ur5GzRDA==","signature_status":"signed_v1","signed_at":"2026-07-04T23:54:22.127497Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0507039","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cb9e933737af27ce29dd9911f10d4aedfca7b610398852add123c7c5764ec05","sha256:7325911258f87c346b5fe339ef075482edd0389237a361a04e379e84beacba12"],"state_sha256":"a12dfa5d379472b553c3798f0f62067e8d024d1fbde5176d5fd3c2b2afdad75d"}