{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IKBVSN4PWNHBVQWSHJCM5BMF4O","short_pith_number":"pith:IKBVSN4P","canonical_record":{"source":{"id":"1507.01417","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-07-06T12:37:25Z","cross_cats_sorted":[],"title_canon_sha256":"b2ef1550e2b4feb7b8c45b564cafa46cee721bd4070e7d93d86ba464f92636b5","abstract_canon_sha256":"bf7b0441517d617b2e1e0fff852f4600f7127702b475711a02fcd17e99b9133e"},"schema_version":"1.0"},"canonical_sha256":"428359378fb34e1ac2d23a44ce8585e3b6bf56e2cd0f15d27866db8d3454fc8f","source":{"kind":"arxiv","id":"1507.01417","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01417","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01417v2","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01417","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"IKBVSN4PWNHB","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IKBVSN4PWNHBVQWS","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IKBVSN4P","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IKBVSN4PWNHBVQWSHJCM5BMF4O","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01417","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-07-06T12:37:25Z","cross_cats_sorted":[],"title_canon_sha256":"b2ef1550e2b4feb7b8c45b564cafa46cee721bd4070e7d93d86ba464f92636b5","abstract_canon_sha256":"bf7b0441517d617b2e1e0fff852f4600f7127702b475711a02fcd17e99b9133e"},"schema_version":"1.0"},"canonical_sha256":"428359378fb34e1ac2d23a44ce8585e3b6bf56e2cd0f15d27866db8d3454fc8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:46.472916Z","signature_b64":"8uF/VAUK52lUuBhNhdQE1xKS0eWToAzTS76d82xhtvomIoP96MWGKR3eF/e9tADE+yzmmHH6K+ezkBat1nEnDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"428359378fb34e1ac2d23a44ce8585e3b6bf56e2cd0f15d27866db8d3454fc8f","last_reissued_at":"2026-05-18T01:09:46.472284Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:46.472284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01417","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":"2026-05-18T01:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5WknNPkwDPt0kRQvqsOxyiN59NHObUbzr1XhlHfLHH3oV8WzfImhwozkmktjk7Sgh0qjdfES85RhOmvElmBIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:44:10.441529Z"},"content_sha256":"055178ae7421d5d03090082db3a9819f38352414e798baea5945feaf6e0d8912","schema_version":"1.0","event_id":"sha256:055178ae7421d5d03090082db3a9819f38352414e798baea5945feaf6e0d8912"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IKBVSN4PWNHBVQWSHJCM5BMF4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of tau neutrino appearance in the CNGS neutrino beam with the OPERA experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Aleksandrov, A. Anokhina, A. Ariga, A. Bertolin, A. Buonaura, A. Chukanov, A. Di Crescenzo, A. Ereditato, A. Garfagnini, A. Hollnagel, A. Lauria, A. Ljubicic, A. Longhin, A. Malgin, A. Meregaglia, A.M. Guler, A. Olchevsky, A. Paoloni, A. Pastore, A. Schembri, A. Sheshukov, A. Sotnikov, B. B\\\"uttner, B. D. Park, B. Hosseini, B. Klicek, B. Wonsak, C. Bozza, C. Gustavino, C. Hagner, C. Jollet, C. Kamiscioglu, C. Pistillo, C. Sirignano, C. S. Yoon, D. Bender, D. Di Ferdinando, D. Duchesneau, D. Podgrudkov, E. Medinaceli, F. Fornari, F. Laudisio, F. Mizutani, F. Pupilli, F. Terranova, G. De Lellis, G. Galati, G. Grella, G. Mandrioli, G. Rosa, G. Shoziyoev, G. Sirri, G. Wilquet, H. Hayakawa, H. Pessard, H. Rokujo, H. Shibuya, I. Bodnarchuk, I. G. Park, I. Kreslo, I. Shakirianova, J. Ebert, J. Goldberg, J. H. Kim, J. L. Vuilleumier, K. Ishiguro, K. Jakovcic, K. Kodama, K. Morishima, K. Niwa, K. Ozaki, L. Consiglio, L. Paparella, L. Pasqualini, L. Patrizii, L. Stanco, L. Votano, M. Chernyavsky, M. C. Montesi, M. De Serio, M. Dracos, M. Kamiscioglu, M. Komatsu, M. Malenica, M. Miyanishi, M. Nakamura, M. Pozzato, M. Roda, M. Sioli, M. Spinetti, M. Stipcevic, M. Tenti, M. T. Muciaccia, M. Vladymyrov, N. D'Ambrosio, N. Di Marco, N. Kitagawa, N. Mauri, N. Naganawa, N. Polukhina, N. Starkov, OPERA Collaboration: N. Agafonova, O. Ryazhskaya, O. Sato, P. Del Amo Sanchez, P.F. Loverre, P. Monacelli, P. Strolin, P. Vilain, R. A. Fini, R. Brugnera, S. Aoki, S. Buontempo, S. Dmitrievski, S. Dusini, S. H. Kim, S. Mikado, S. M. Stellacci, S. Ogawa, S. Simone, S. Takahashi, S. Tufanli, S. Zemskova, T. Ariga, T. Dzhatdoev, T. Fukuda, T. Hara, T. Matsuo, T. Matsushita, T. Naka, T. Nakano, T. Omura, T. Roganova, T. Shchedrina, T. Shiraishi, U. Kose, V. Matveev, V. Tioukov, W. Schmidt-Parzefall, Y. Gornushkin, Y. Nakatsuka","submitted_at":"2015-07-06T12:37:25Z","abstract_excerpt":"The OPERA experiment was designed to search for $\\nu_{\\mu} \\rightarrow \\nu_{\\tau}$ oscillations in appearance mode, i.e. by detecting the $\\tau$-leptons produced in charged current $\\nu_{\\tau}$ interactions. The experiment took data from 2008 to 2012 in the CERN Neutrinos to Gran Sasso beam. The observation of $\\nu_{\\mu} \\rightarrow \\nu_{\\tau}$ appearance, achieved with four candidate events in a sub-sample of the data, was previously reported. In this paper, a fifth $\\nu_{\\tau}$ candidate event, found in an enlarged data sample, is described. Together with a further reduction of the expected "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01417","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":"2026-05-18T01:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9ia3XIiccqqmzkthSvWcyRbIFmHrnvckPNsGTJVUqfWKkkQP74LltcHJNkAXGX6Hq1BG4iVYk42jVJtIJ9zAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:44:10.441946Z"},"content_sha256":"f2b5d017417d9080947d0579fa9348de0af0cf74f37b0ad94d7c38ee62f61dfd","schema_version":"1.0","event_id":"sha256:f2b5d017417d9080947d0579fa9348de0af0cf74f37b0ad94d7c38ee62f61dfd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/bundle.json","state_url":"https://pith.science/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/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":"2026-06-02T18:44:10Z","links":{"resolver":"https://pith.science/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O","bundle":"https://pith.science/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/bundle.json","state":"https://pith.science/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKBVSN4PWNHBVQWSHJCM5BMF4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IKBVSN4PWNHBVQWSHJCM5BMF4O","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":"bf7b0441517d617b2e1e0fff852f4600f7127702b475711a02fcd17e99b9133e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-07-06T12:37:25Z","title_canon_sha256":"b2ef1550e2b4feb7b8c45b564cafa46cee721bd4070e7d93d86ba464f92636b5"},"schema_version":"1.0","source":{"id":"1507.01417","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01417","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01417v2","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01417","created_at":"2026-05-18T01:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"IKBVSN4PWNHB","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IKBVSN4PWNHBVQWS","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IKBVSN4P","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:f2b5d017417d9080947d0579fa9348de0af0cf74f37b0ad94d7c38ee62f61dfd","target":"graph","created_at":"2026-05-18T01:09:46Z","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 OPERA experiment was designed to search for $\\nu_{\\mu} \\rightarrow \\nu_{\\tau}$ oscillations in appearance mode, i.e. by detecting the $\\tau$-leptons produced in charged current $\\nu_{\\tau}$ interactions. The experiment took data from 2008 to 2012 in the CERN Neutrinos to Gran Sasso beam. The observation of $\\nu_{\\mu} \\rightarrow \\nu_{\\tau}$ appearance, achieved with four candidate events in a sub-sample of the data, was previously reported. In this paper, a fifth $\\nu_{\\tau}$ candidate event, found in an enlarged data sample, is described. Together with a further reduction of the expected ","authors_text":"A. Aleksandrov, A. Anokhina, A. Ariga, A. Bertolin, A. Buonaura, A. Chukanov, A. Di Crescenzo, A. Ereditato, A. Garfagnini, A. Hollnagel, A. Lauria, A. Ljubicic, A. Longhin, A. Malgin, A. Meregaglia, A.M. Guler, A. Olchevsky, A. Paoloni, A. Pastore, A. Schembri, A. Sheshukov, A. Sotnikov, B. B\\\"uttner, B. D. Park, B. Hosseini, B. Klicek, B. Wonsak, C. Bozza, C. Gustavino, C. Hagner, C. Jollet, C. Kamiscioglu, C. Pistillo, C. Sirignano, C. S. Yoon, D. Bender, D. Di Ferdinando, D. Duchesneau, D. Podgrudkov, E. Medinaceli, F. Fornari, F. Laudisio, F. Mizutani, F. Pupilli, F. Terranova, G. De Lellis, G. Galati, G. Grella, G. Mandrioli, G. Rosa, G. Shoziyoev, G. Sirri, G. Wilquet, H. Hayakawa, H. Pessard, H. Rokujo, H. Shibuya, I. Bodnarchuk, I. G. Park, I. Kreslo, I. Shakirianova, J. Ebert, J. Goldberg, J. H. Kim, J. L. Vuilleumier, K. Ishiguro, K. Jakovcic, K. Kodama, K. Morishima, K. Niwa, K. Ozaki, L. Consiglio, L. Paparella, L. Pasqualini, L. Patrizii, L. Stanco, L. Votano, M. Chernyavsky, M. C. Montesi, M. De Serio, M. Dracos, M. Kamiscioglu, M. Komatsu, M. Malenica, M. Miyanishi, M. Nakamura, M. Pozzato, M. Roda, M. Sioli, M. Spinetti, M. Stipcevic, M. Tenti, M. T. Muciaccia, M. Vladymyrov, N. D'Ambrosio, N. Di Marco, N. Kitagawa, N. Mauri, N. Naganawa, N. Polukhina, N. Starkov, OPERA Collaboration: N. Agafonova, O. Ryazhskaya, O. Sato, P. Del Amo Sanchez, P.F. Loverre, P. Monacelli, P. Strolin, P. Vilain, R. A. Fini, R. Brugnera, S. Aoki, S. Buontempo, S. Dmitrievski, S. Dusini, S. H. Kim, S. Mikado, S. M. Stellacci, S. Ogawa, S. Simone, S. Takahashi, S. Tufanli, S. Zemskova, T. Ariga, T. Dzhatdoev, T. Fukuda, T. Hara, T. Matsuo, T. Matsushita, T. Naka, T. Nakano, T. Omura, T. Roganova, T. Shchedrina, T. Shiraishi, U. Kose, V. Matveev, V. Tioukov, W. Schmidt-Parzefall, Y. Gornushkin, Y. Nakatsuka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-07-06T12:37:25Z","title":"Discovery of tau neutrino appearance in the CNGS neutrino beam with the OPERA experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01417","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":"sha256:055178ae7421d5d03090082db3a9819f38352414e798baea5945feaf6e0d8912","target":"record","created_at":"2026-05-18T01:09:46Z","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":"bf7b0441517d617b2e1e0fff852f4600f7127702b475711a02fcd17e99b9133e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-07-06T12:37:25Z","title_canon_sha256":"b2ef1550e2b4feb7b8c45b564cafa46cee721bd4070e7d93d86ba464f92636b5"},"schema_version":"1.0","source":{"id":"1507.01417","kind":"arxiv","version":2}},"canonical_sha256":"428359378fb34e1ac2d23a44ce8585e3b6bf56e2cd0f15d27866db8d3454fc8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"428359378fb34e1ac2d23a44ce8585e3b6bf56e2cd0f15d27866db8d3454fc8f","first_computed_at":"2026-05-18T01:09:46.472284Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:46.472284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8uF/VAUK52lUuBhNhdQE1xKS0eWToAzTS76d82xhtvomIoP96MWGKR3eF/e9tADE+yzmmHH6K+ezkBat1nEnDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:46.472916Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01417","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:055178ae7421d5d03090082db3a9819f38352414e798baea5945feaf6e0d8912","sha256:f2b5d017417d9080947d0579fa9348de0af0cf74f37b0ad94d7c38ee62f61dfd"],"state_sha256":"ad6d4a8fae522795e8f76aae68a717f610880df4915e593a27526dde9bd1f406"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3er64TxjyonqcDsMm3+cLeGClkiBxySHDFgGF4oUdI/fAWsvAm3pJfTCSdG+/6rheHl8PMDIYP3cJCqFoMcTAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T18:44:10.444003Z","bundle_sha256":"5da3b980b3eab48d0ec59ec7d18b102ef03315d5a4e4e47f050ec27a062fbafc"}}