{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5QPTPNISZZMTWFJZUNXCPWRKB3","short_pith_number":"pith:5QPTPNIS","canonical_record":{"source":{"id":"1212.4015","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-12-17T15:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"8d45581a0c570130ef4747782954adf9b104befda745ad76ce4d12445b7cbf24","abstract_canon_sha256":"089baf1cdcc4f7ac4e755f8a55994f035586239b2c67eee30bff11f1096c91d5"},"schema_version":"1.0"},"canonical_sha256":"ec1f37b512ce593b1539a36e27da2a0ed0dd5d22d076dad533c247104bff3e25","source":{"kind":"arxiv","id":"1212.4015","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4015","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4015v4","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4015","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"pith_short_12","alias_value":"5QPTPNISZZMT","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5QPTPNISZZMTWFJZ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5QPTPNIS","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5QPTPNISZZMTWFJZUNXCPWRKB3","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4015","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-12-17T15:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"8d45581a0c570130ef4747782954adf9b104befda745ad76ce4d12445b7cbf24","abstract_canon_sha256":"089baf1cdcc4f7ac4e755f8a55994f035586239b2c67eee30bff11f1096c91d5"},"schema_version":"1.0"},"canonical_sha256":"ec1f37b512ce593b1539a36e27da2a0ed0dd5d22d076dad533c247104bff3e25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:21.646517Z","signature_b64":"LSE1Yp0zyiZGot2hhAoaIZmd57nGI4Gbhlemc4stFdjQDvtjsLbRawX0BZCXURVlMSt/akPjZ6FxXYBhSnSQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec1f37b512ce593b1539a36e27da2a0ed0dd5d22d076dad533c247104bff3e25","last_reissued_at":"2026-05-18T02:54:21.646103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:21.646103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4015","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:54:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gvfjv5dnghvLTRnOUTf+nSKzbGxAk8aPzQ576O9d/54i/jcA//BcI3oEVQ13j9T/U9Zgv9m5fsEgYI/yUubtBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:12:20.759871Z"},"content_sha256":"db63134c6e1f0448e0155757d7809a500374bf8be40ff25010cd560911582596","schema_version":"1.0","event_id":"sha256:db63134c6e1f0448e0155757d7809a500374bf8be40ff25010cd560911582596"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5QPTPNISZZMTWFJZUNXCPWRKB3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of B^0 -> rho^0 rho^0 decays, implications for the CKM angle phi_2 and search for other B^0 decay modes with a four-pion final state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bala, A. Bozek, A. Chen, A. Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Vinokurova, A. Zupanc, B. Bhuyan, B. G. Cheon, B. Golob, B. Kronenbitter, B. R. Ko, B. Shwartz, C. H. Wang, C. Kiesling, C. Liu, C. P. Shen, C. Schwanda, C. Van Hulse, C. W. Park, D. Cinabro, D. H. Kah, D. Liventsev, D. M. Asner, D. Semmler, D. Y. Kim, E. Kato, E. Nakano, E. Nedelkovska, E. Solovieva, E. Won, F. Simon, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Tatishvili, G. Varner, H. Aihara, H. Farhat, H.-G. Moser, H. Hayashii, H. J. Hyun, H. Kawai, H. K. Park, H. Miyata, H. O. Kim, H. Park, H. Sahoo, I. Adachi, I. Jaegle, J. B. Kim, J. Dalseno, J. E. Fast, J.-G. Shiu, J. H. Kim, J. Klucar, J. Li, J. Libby, J. S. Lange, K. Chilikin, K. Cho, K. E. Varvell, K. Hayasaka, K. Kinoshita, K. Miyabayashi, K. M. Williams, K. Senyo, K. Trabelsi, L. E. Piilonen, L. Li Gioi, L. Santelj, M. Bra\\c{c}ko, M.-C. Chang, M. E. Sevior, M. J. Kim, M. Nakao, M. N. Wagner, M. Petri\\c{c}, M. Ritter, M. R\\\"ohrken, M. Shapkin, M. Stari\\c{c}, M. Steder, M. Uchida, M.-Z. Wang, N. Gabyshev, N. K. Nisar, O. Nitoh, O. Schneider, O. Seon, P. Chang, P. Chen, P. Kri\\c{z}an, P. Krokovny, P. Lukin, P. Pakhlov, P. Wang, R. Chistov, R. Gillard, R. Itoh, R. Mizuk, R. Mussa, R. Pestotnik, S. Eidelman, S. E. Vahsen, S. Ganguly, S.-H. Lee, S. Korpar, S. Nishida, S. Ogawa, S. Ryu, S. Sandilya, S. Uehara, S. Uno, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Hara, The Belle Collaboration: P. Vanhoefer, T. Higuchi, T. Iijima, T. Iwashita, T. Julius, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Kumita, T. Saito, T. Sanuki, T. Sumiyoshi, T. Tsuboyama, U. Tamponi, V. Aulchenko, V. Bhardwaj, V. Chekelian, V. Chobanova, V. Gaur, V. Savinov, V. Vorobyev, V. Zhilich, V. Zhulanov, W.-S. Hou, X. L. Wang, Y. Choi, Y. Horii, Y. Hoshi, Y. Iwasaki, Y. J. Kim, Y.-J. Kwon, Y. Liu, Y. M. Goh, Y. Sakai, Y. Sato, Y.-S. Sohn, Y. Teramoto, Y. Unno, Y. Watanabe, Y. Yamashita, Y. Yook, Z. Dole\\c{z}al, Z. Dra\\'sal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2012-12-17T15:01:25Z","abstract_excerpt":"We present a study of the branching fraction of the decay B^0->rho0rho0 and the fraction of longitudinally polarized rho0 mesons in this decay. The results are obtained from the final data sample containing 772 million BBbar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find 166 +- 59 B^0 -> rho0 rho0 events (including systematic uncertainties), corresponding to a branching fraction of B(B^0->rho0rho0) = (1.02 +- 0.30 (stat) +- 0.15 (syst)) x 10^{-6} with a significance of 3.4 standard deviations and a longitudinal polarization f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4015","kind":"arxiv","version":4},"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":"2026-05-18T02:54:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YMjbwE0TsssSecMKBMwCVPPl8NmhCFFhG/3OnGFw+RQApb7LhQXHI0clhUmYr3po2ljd3fzj7u8mN3Wh3QbVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:12:20.760563Z"},"content_sha256":"fc8ab0936815b4f4384ec7493335285ff0640be690d8bf72201697c9ad11c7f5","schema_version":"1.0","event_id":"sha256:fc8ab0936815b4f4384ec7493335285ff0640be690d8bf72201697c9ad11c7f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/bundle.json","state_url":"https://pith.science/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/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":"2026-05-18T19:12:20Z","links":{"resolver":"https://pith.science/pith/5QPTPNISZZMTWFJZUNXCPWRKB3","bundle":"https://pith.science/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/bundle.json","state":"https://pith.science/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5QPTPNISZZMTWFJZUNXCPWRKB3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5QPTPNISZZMTWFJZUNXCPWRKB3","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":"089baf1cdcc4f7ac4e755f8a55994f035586239b2c67eee30bff11f1096c91d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-12-17T15:01:25Z","title_canon_sha256":"8d45581a0c570130ef4747782954adf9b104befda745ad76ce4d12445b7cbf24"},"schema_version":"1.0","source":{"id":"1212.4015","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4015","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4015v4","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4015","created_at":"2026-05-18T02:54:21Z"},{"alias_kind":"pith_short_12","alias_value":"5QPTPNISZZMT","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5QPTPNISZZMTWFJZ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5QPTPNIS","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:fc8ab0936815b4f4384ec7493335285ff0640be690d8bf72201697c9ad11c7f5","target":"graph","created_at":"2026-05-18T02:54:21Z","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 present a study of the branching fraction of the decay B^0->rho0rho0 and the fraction of longitudinally polarized rho0 mesons in this decay. The results are obtained from the final data sample containing 772 million BBbar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find 166 +- 59 B^0 -> rho0 rho0 events (including systematic uncertainties), corresponding to a branching fraction of B(B^0->rho0rho0) = (1.02 +- 0.30 (stat) +- 0.15 (syst)) x 10^{-6} with a significance of 3.4 standard deviations and a longitudinal polarization f","authors_text":"A. Bala, A. Bozek, A. Chen, A. Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Vinokurova, A. Zupanc, B. Bhuyan, B. G. Cheon, B. Golob, B. Kronenbitter, B. R. Ko, B. Shwartz, C. H. Wang, C. Kiesling, C. Liu, C. P. Shen, C. Schwanda, C. Van Hulse, C. W. Park, D. Cinabro, D. H. Kah, D. Liventsev, D. M. Asner, D. Semmler, D. Y. Kim, E. Kato, E. Nakano, E. Nedelkovska, E. Solovieva, E. Won, F. Simon, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Tatishvili, G. Varner, H. Aihara, H. Farhat, H.-G. Moser, H. Hayashii, H. J. Hyun, H. Kawai, H. K. Park, H. Miyata, H. O. Kim, H. Park, H. Sahoo, I. Adachi, I. Jaegle, J. B. Kim, J. Dalseno, J. E. Fast, J.-G. Shiu, J. H. Kim, J. Klucar, J. Li, J. Libby, J. S. Lange, K. Chilikin, K. Cho, K. E. Varvell, K. Hayasaka, K. Kinoshita, K. Miyabayashi, K. M. Williams, K. Senyo, K. Trabelsi, L. E. Piilonen, L. Li Gioi, L. Santelj, M. Bra\\c{c}ko, M.-C. Chang, M. E. Sevior, M. J. Kim, M. Nakao, M. N. Wagner, M. Petri\\c{c}, M. Ritter, M. R\\\"ohrken, M. Shapkin, M. Stari\\c{c}, M. Steder, M. Uchida, M.-Z. Wang, N. Gabyshev, N. K. Nisar, O. Nitoh, O. Schneider, O. Seon, P. Chang, P. Chen, P. Kri\\c{z}an, P. Krokovny, P. Lukin, P. Pakhlov, P. Wang, R. Chistov, R. Gillard, R. Itoh, R. Mizuk, R. Mussa, R. Pestotnik, S. Eidelman, S. E. Vahsen, S. Ganguly, S.-H. Lee, S. Korpar, S. Nishida, S. Ogawa, S. Ryu, S. Sandilya, S. Uehara, S. Uno, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Hara, The Belle Collaboration: P. Vanhoefer, T. Higuchi, T. Iijima, T. Iwashita, T. Julius, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Kumita, T. Saito, T. Sanuki, T. Sumiyoshi, T. Tsuboyama, U. Tamponi, V. Aulchenko, V. Bhardwaj, V. Chekelian, V. Chobanova, V. Gaur, V. Savinov, V. Vorobyev, V. Zhilich, V. Zhulanov, W.-S. Hou, X. L. Wang, Y. Choi, Y. Horii, Y. Hoshi, Y. Iwasaki, Y. J. Kim, Y.-J. Kwon, Y. Liu, Y. M. Goh, Y. Sakai, Y. Sato, Y.-S. Sohn, Y. Teramoto, Y. Unno, Y. Watanabe, Y. Yamashita, Y. Yook, Z. Dole\\c{z}al, Z. Dra\\'sal, Z. Natkaniec, Z. P. Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-12-17T15:01:25Z","title":"Study of B^0 -> rho^0 rho^0 decays, implications for the CKM angle phi_2 and search for other B^0 decay modes with a four-pion final state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4015","kind":"arxiv","version":4},"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:db63134c6e1f0448e0155757d7809a500374bf8be40ff25010cd560911582596","target":"record","created_at":"2026-05-18T02:54:21Z","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":"089baf1cdcc4f7ac4e755f8a55994f035586239b2c67eee30bff11f1096c91d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-12-17T15:01:25Z","title_canon_sha256":"8d45581a0c570130ef4747782954adf9b104befda745ad76ce4d12445b7cbf24"},"schema_version":"1.0","source":{"id":"1212.4015","kind":"arxiv","version":4}},"canonical_sha256":"ec1f37b512ce593b1539a36e27da2a0ed0dd5d22d076dad533c247104bff3e25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec1f37b512ce593b1539a36e27da2a0ed0dd5d22d076dad533c247104bff3e25","first_computed_at":"2026-05-18T02:54:21.646103Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:54:21.646103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LSE1Yp0zyiZGot2hhAoaIZmd57nGI4Gbhlemc4stFdjQDvtjsLbRawX0BZCXURVlMSt/akPjZ6FxXYBhSnSQDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:54:21.646517Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4015","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db63134c6e1f0448e0155757d7809a500374bf8be40ff25010cd560911582596","sha256:fc8ab0936815b4f4384ec7493335285ff0640be690d8bf72201697c9ad11c7f5"],"state_sha256":"cf898ace0dc5fd2547470f2bb2e5088f63a616a22ac59dff57c5b232e27ce6bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VB+VRYhkur6azS1qbii1M8X+LQllRigtFZNkDdW1HE7NI6tNTbBGcLeKUgAXpEGyhb2I6clpCv/poue5kWmyAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T19:12:20.762970Z","bundle_sha256":"70bdd89900357e8761ec5091fca6172aaa8b44f435267eea4a92feb08b54fcc2"}}