{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:L7IZY64VTF4VLYUNIYOWYR4YNV","short_pith_number":"pith:L7IZY64V","canonical_record":{"source":{"id":"1103.1649","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-03-08T21:29:54Z","cross_cats_sorted":[],"title_canon_sha256":"bb41d0abb9e75720f5c76e3f77f5408aa29fb1ea484aba59e281739b77db7a3f","abstract_canon_sha256":"7887d25c11c7497d6fd9cd0bb3fe9f743c6a61721d47d7bdd079ea77358b76fb"},"schema_version":"1.0"},"canonical_sha256":"5fd19c7b95997955e28d461d6c47986d52630718b8b929b221e7ca54c7cc6e3f","source":{"kind":"arxiv","id":"1103.1649","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1649","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1649v3","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1649","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"L7IZY64VTF4V","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"L7IZY64VTF4VLYUN","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"L7IZY64V","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:L7IZY64VTF4VLYUNIYOWYR4YNV","target":"record","payload":{"canonical_record":{"source":{"id":"1103.1649","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-03-08T21:29:54Z","cross_cats_sorted":[],"title_canon_sha256":"bb41d0abb9e75720f5c76e3f77f5408aa29fb1ea484aba59e281739b77db7a3f","abstract_canon_sha256":"7887d25c11c7497d6fd9cd0bb3fe9f743c6a61721d47d7bdd079ea77358b76fb"},"schema_version":"1.0"},"canonical_sha256":"5fd19c7b95997955e28d461d6c47986d52630718b8b929b221e7ca54c7cc6e3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:56.188402Z","signature_b64":"P7dv7l5rocBZOBDOktwuyW9/Be1vOnaUj5FAbwop6lD6cMJ5hmYY7IzC5c+Z5qXBX0Z8wBdG/pWr/2bRiyOSBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fd19c7b95997955e28d461d6c47986d52630718b8b929b221e7ca54c7cc6e3f","last_reissued_at":"2026-05-18T02:02:56.187673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:56.187673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.1649","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z8MlBINM25iQFCcA25cHio6cKcIBLk9fm/0fTtH5gBl9NXffzaCKuhX606ABiDm9nDEUUqbShV7gwHkpY3wWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:01:22.181932Z"},"content_sha256":"74c5e9103dcecab4cd7573e5985905133dc603ec29444ddf6e5772064665a2b3","schema_version":"1.0","event_id":"sha256:74c5e9103dcecab4cd7573e5985905133dc603ec29444ddf6e5772064665a2b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:L7IZY64VTF4VLYUNIYOWYR4YNV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semi-Inclusive Charged-Pion Electroproduction off Protons and Deuterons: Cross Sections, Ratios and Access to the Quark-Parton Model at Low Energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Ahmidouch, A. Asaturyan, A. K. Opper, A. Mkrtchyan, A. Uzzle, A. Villano, B. Moziak, B. Wojtsekhowski, C. Bertoncini, C. E. Keppel, C. Smith, C. Xu, D. Day, D. Dutta, D. Gaskell, D. G. Meekins, D. Mack, E. Hungerford, E. McGrath, E. Schulte, E. Segbefia, F. R. Wesselmann, G. M. Huber, G. Niculescu, G. R. Smith, G. S. Adams, G. Warren, H. Breuer, H. C. Fenker, H. Mkrtchyan, H. P. Blok, I. Niculescu, J. A. Dunne, J. Arrington, J. J. Kelly, J. Reinhold, J. Roche, K. Hafidi, K. Joo, L. Gan, L. Tang, L. Yuan, M. E. Christy, M. Jones, M. M. Dalton, M. Ungaro, M. Wang, N. Benmouna, N. El Khayari, N. Kalantarians, O. K. Baker, P. E. Bosted, P. E. Reimer, P. Markowitz, P. McKee, P. Stoler, R. Asaturyan, R. Ent, R. J. Holt, S. A. Wood, S. Danagoulian, S. E. Rock, S. H. Connell, S. P. Malace, S. Vidakovic, T. Angelescu, T. Horn, T. Navasardyan, T. Ostapenko, V. Kubarovsky, V. Tadevosyan, V. V. Frolov, W. F. Vulcan, W. Hinton, W. U. Boeglin, X. Jiang, X. Zheng, Y. Cui, Y. Li, Y. Liang","submitted_at":"2011-03-08T21:29:54Z","abstract_excerpt":"A large set of cross sections for semi-inclusive electroproduction of charged pions ($\\pi^\\pm$) from both proton and deuteron targets was measured. The data are in the deep-inelastic scattering region with invariant mass squared $W^2$ > 4 GeV$^2$ and range in four-momentum transfer squared $2 < Q^2 < 4$ (GeV/c)$^2$, and cover a range in the Bjorken scaling variable 0.2 < x < 0.6. The fractional energy of the pions spans a range 0.3 < z < 1, with small transverse momenta with respect to the virtual-photon direction, $P_t^2 < 0.2$ (GeV/c)$^2$. The invariant mass that goes undetected, $M_x$ or W'"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1649","kind":"arxiv","version":3},"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":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybz3uyjm7yezA+zqUu9r6HxMWvOjYF7DlK5/Iamu8Ayxl+F31BN0SqNefnj4FXqXTZbuKxhK+fiPXzw5xQTHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:01:22.182516Z"},"content_sha256":"c67310096221eabb27921338f4bb2c2c57c5564800ad2ca5377d3f9b63dc4813","schema_version":"1.0","event_id":"sha256:c67310096221eabb27921338f4bb2c2c57c5564800ad2ca5377d3f9b63dc4813"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/bundle.json","state_url":"https://pith.science/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/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":"2026-08-20T22:01:22Z","links":{"resolver":"https://pith.science/pith/L7IZY64VTF4VLYUNIYOWYR4YNV","bundle":"https://pith.science/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/bundle.json","state":"https://pith.science/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7IZY64VTF4VLYUNIYOWYR4YNV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:L7IZY64VTF4VLYUNIYOWYR4YNV","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":"7887d25c11c7497d6fd9cd0bb3fe9f743c6a61721d47d7bdd079ea77358b76fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-03-08T21:29:54Z","title_canon_sha256":"bb41d0abb9e75720f5c76e3f77f5408aa29fb1ea484aba59e281739b77db7a3f"},"schema_version":"1.0","source":{"id":"1103.1649","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1649","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1649v3","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1649","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"L7IZY64VTF4V","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"L7IZY64VTF4VLYUN","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"L7IZY64V","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:c67310096221eabb27921338f4bb2c2c57c5564800ad2ca5377d3f9b63dc4813","target":"graph","created_at":"2026-05-18T02:02:56Z","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":"A large set of cross sections for semi-inclusive electroproduction of charged pions ($\\pi^\\pm$) from both proton and deuteron targets was measured. The data are in the deep-inelastic scattering region with invariant mass squared $W^2$ > 4 GeV$^2$ and range in four-momentum transfer squared $2 < Q^2 < 4$ (GeV/c)$^2$, and cover a range in the Bjorken scaling variable 0.2 < x < 0.6. The fractional energy of the pions spans a range 0.3 < z < 1, with small transverse momenta with respect to the virtual-photon direction, $P_t^2 < 0.2$ (GeV/c)$^2$. The invariant mass that goes undetected, $M_x$ or W'","authors_text":"A. Ahmidouch, A. Asaturyan, A. K. Opper, A. Mkrtchyan, A. Uzzle, A. Villano, B. Moziak, B. Wojtsekhowski, C. Bertoncini, C. E. Keppel, C. Smith, C. Xu, D. Day, D. Dutta, D. Gaskell, D. G. Meekins, D. Mack, E. Hungerford, E. McGrath, E. Schulte, E. Segbefia, F. R. Wesselmann, G. M. Huber, G. Niculescu, G. R. Smith, G. S. Adams, G. Warren, H. Breuer, H. C. Fenker, H. Mkrtchyan, H. P. Blok, I. Niculescu, J. A. Dunne, J. Arrington, J. J. Kelly, J. Reinhold, J. Roche, K. Hafidi, K. Joo, L. Gan, L. Tang, L. Yuan, M. E. Christy, M. Jones, M. M. Dalton, M. Ungaro, M. Wang, N. Benmouna, N. El Khayari, N. Kalantarians, O. K. Baker, P. E. Bosted, P. E. Reimer, P. Markowitz, P. McKee, P. Stoler, R. Asaturyan, R. Ent, R. J. Holt, S. A. Wood, S. Danagoulian, S. E. Rock, S. H. Connell, S. P. Malace, S. Vidakovic, T. Angelescu, T. Horn, T. Navasardyan, T. Ostapenko, V. Kubarovsky, V. Tadevosyan, V. V. Frolov, W. F. Vulcan, W. Hinton, W. U. Boeglin, X. Jiang, X. Zheng, Y. Cui, Y. Li, Y. Liang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-03-08T21:29:54Z","title":"Semi-Inclusive Charged-Pion Electroproduction off Protons and Deuterons: Cross Sections, Ratios and Access to the Quark-Parton Model at Low Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1649","kind":"arxiv","version":3},"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":"sha256:74c5e9103dcecab4cd7573e5985905133dc603ec29444ddf6e5772064665a2b3","target":"record","created_at":"2026-05-18T02:02:56Z","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":"7887d25c11c7497d6fd9cd0bb3fe9f743c6a61721d47d7bdd079ea77358b76fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-03-08T21:29:54Z","title_canon_sha256":"bb41d0abb9e75720f5c76e3f77f5408aa29fb1ea484aba59e281739b77db7a3f"},"schema_version":"1.0","source":{"id":"1103.1649","kind":"arxiv","version":3}},"canonical_sha256":"5fd19c7b95997955e28d461d6c47986d52630718b8b929b221e7ca54c7cc6e3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fd19c7b95997955e28d461d6c47986d52630718b8b929b221e7ca54c7cc6e3f","first_computed_at":"2026-05-18T02:02:56.187673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:56.187673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P7dv7l5rocBZOBDOktwuyW9/Be1vOnaUj5FAbwop6lD6cMJ5hmYY7IzC5c+Z5qXBX0Z8wBdG/pWr/2bRiyOSBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:56.188402Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.1649","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74c5e9103dcecab4cd7573e5985905133dc603ec29444ddf6e5772064665a2b3","sha256:c67310096221eabb27921338f4bb2c2c57c5564800ad2ca5377d3f9b63dc4813"],"state_sha256":"a179109a58230826cd6868495c23a757ccef1f266c1945f498661e2c45a0e8bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Oxsg1P0juFhHvCcdm4WMLRUA3pSZ+X1DpfcqdhFP3mwShbwVk5HkNNojbDN1NN4aUPx1HvdWo6QbG//Up2wCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T22:01:22.186142Z","bundle_sha256":"6a728bb5944ff73389b93a5ea1b26baf8346b82db8249a91948a203d6a959632"}}