{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QCGWQOBZW5LWN7WIKAKYI2CCMQ","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":"19ba5b8611e3a5de2b5f0a17ebee7a8e1c94bd94ef93b519a65e633750c08048","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-12-16T17:04:15Z","title_canon_sha256":"9b674cc23e16fe7c7440f6136c4c3b1ca545d6d1ef812b7917d42800696d30b2"},"schema_version":"1.0","source":{"id":"1012.3676","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.3676","created_at":"2026-05-18T04:23:12Z"},{"alias_kind":"arxiv_version","alias_value":"1012.3676v2","created_at":"2026-05-18T04:23:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.3676","created_at":"2026-05-18T04:23:12Z"},{"alias_kind":"pith_short_12","alias_value":"QCGWQOBZW5LW","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QCGWQOBZW5LWN7WI","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QCGWQOBZ","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:3e064c7886e4f6395293e16dc382b5d892c73037810fb57a83e0c26b6196df14","target":"graph","created_at":"2026-05-18T04:23:12Z","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":"Exclusive rho^0-meson electroproduction is studied in the HERMES experiment, using a 27.6 GeV longitudinally polarized electron/positron beam and unpolarized hydrogen and deuterium targets in the kinematic region 0.5 GeV^2 < Q^2 < 7.0 GeV^2, 3.0 GeV < W < 6.3 GeV, and -t' < 0.4 GeV^2. Real and imaginary parts of the ratios of the natural-parity-exchange helicity amplitudes T_{11} (\\gamma^*_T --> \\rho_T), T_{01} (\\gamma^*_T --> \\rho_L), T_{10} (\\gamma^*_L --> \\rho_T), and T_{1-1} (\\gamma^*_{-T} -->\\rho_T) to T_{00} (\\gamma^*_L --> \\rho_L) are extracted from the data. For the unnatural-parity-ex","authors_text":"A. Avetissian, A. Borissov, A. Fantoni, A. Hillenbrand, A. Ivanilov, A. Kisselev, A. Lopez Ruiz, A. Martinez de la Ossa, A. Movsisyan, A. Mussgiller, A. Nass, A. Rostomyan, A.R. Reolon, A. Schaefer, A. Terkulov, A. Trzcinski, A. Vandenbroucke, B. Marianski, B.-Q. Ma, B. Seitz, B. Zihlmann, C.A. Miller, C. Hadjidakis, C. Riedl, C. Van Hulse, D. Gabbert, D. Hasch, D. Mahon, D. Ryckbosch, D. Veretennikov, E. Avetisyan, E.C. Aschenauer, E. Cisbani, E. De Sanctis, E. Kinney, E. Nappi, E. Steffens, F. Ellinghaus, F. Garibaldi, F. Giordano, F. Sanftl, F. Stinzing, G. Ciullo, G. Elbakian, G. Gapienko, G. Gavrilov, G. Hill, G. Karyan, G.P. Capitani, G. Rosner, G. Schnell, H.E. Jackson, H. Marukyan, H.P. Blok, H.S. Jo, I. Hristova, I. Lehmann, I. Vilardi, J. Bowles, J. Burns, J.J.M. Steijger, J. Rubin, K.P. Schueler, K. Rith, L.A. Linden-Levy, L. De Nardo, L. Felawka, L. Lagamba, L. Lapikas, L.L. Pappalardo, L. Manfre, M. Capiluppi, M. Contalbrigo, M. Diefenthaler, M. Dueren, M. Ehrenfried, M. Golembiovskaya, M. Hartig, M. Hoek, M. Murray, M. Negodaev, M. Stancari, M. Statera, M. Tytgat, N. Akopov, N. Bianchi, N.C.R. Makins, N. Kobayashi, N. Pickert, P. Di Nezza, P.E. Reimer, P.F. Dalpiaz, P. Kravchenko, P. Lenisa, P. Zupranski, R. Avakian, R. De Leo, R. Fabbri, R. Kaiser, R. Lamb, R. Perez-Benito, S. Belostotski, S. Frullani, S. Gliske, S.I. Manaenkov, S. Joosten, S. Taroian, S. Wang, S. Yaschenko, S. Yen, T.-A. Shibata, The HERMES Collaboration: A. Airapetian, T. Keri, V. Bryzgalov, V. Gapienko, V. Gharibyan, V.G. Krivokhijine, V. Korotkov, V. Kozlov, V. Muccifora, V. Shutov, V. Vikhrov, W. Augustyniak, W. Deconinck, W.-D. Nowak, W. Lorenzon, W. Yu, X.-G. Lu, X.-R. Lu, Y. Holler, Y. Imazu, Y. Mao, Y. Miyachi, Y. Naryshkin, Y. Salomatin, Y. Van Haarlem, Z. Akopov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-12-16T17:04:15Z","title":"Ratios of Helicity Amplitudes for Exclusive rho-0 Electroproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.3676","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":"sha256:763cafd5911f7130f3d8273f32f60c0308ef3d404f90442fa3fe09b9a078a4a3","target":"record","created_at":"2026-05-18T04:23:12Z","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":"19ba5b8611e3a5de2b5f0a17ebee7a8e1c94bd94ef93b519a65e633750c08048","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-12-16T17:04:15Z","title_canon_sha256":"9b674cc23e16fe7c7440f6136c4c3b1ca545d6d1ef812b7917d42800696d30b2"},"schema_version":"1.0","source":{"id":"1012.3676","kind":"arxiv","version":2}},"canonical_sha256":"808d683839b75766fec85015846842641b3fe890fbeec6f0aacd81316769fad6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"808d683839b75766fec85015846842641b3fe890fbeec6f0aacd81316769fad6","first_computed_at":"2026-05-18T04:23:12.957263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:12.957263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fgN2cNdGkM1IYAq9s9mQaV0DYiEz2TIImKVBcgmdGkovE/aYrvwm5NsN9qqKsopkW8RtlBRFzdL3POG3WMvPCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:12.957880Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.3676","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:763cafd5911f7130f3d8273f32f60c0308ef3d404f90442fa3fe09b9a078a4a3","sha256:3e064c7886e4f6395293e16dc382b5d892c73037810fb57a83e0c26b6196df14"],"state_sha256":"be7920b40c658edaa19a12434da1233b025efc4c15c06aec8c7e9aec5d998f8d"}