{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2JFD3KGICP3ET757S5ASQIKEDH","short_pith_number":"pith:2JFD3KGI","canonical_record":{"source":{"id":"1412.1588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-04T08:46:34Z","cross_cats_sorted":[],"title_canon_sha256":"25efeeef606a918c08db0e63dbe228afa289a8a094e79525497fbac4b23a7f66","abstract_canon_sha256":"56326b9ad9656175da77bcebafaf3994fb0bf20f67eb0a8e61688e90b576b2dc"},"schema_version":"1.0"},"canonical_sha256":"d24a3da8c813f649ffbf974128214419fb69d4bc76e9db8f110778c2e9c86121","source":{"kind":"arxiv","id":"1412.1588","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1588","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1588v1","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1588","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"2JFD3KGICP3E","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2JFD3KGICP3ET757","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2JFD3KGI","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2JFD3KGICP3ET757S5ASQIKEDH","target":"record","payload":{"canonical_record":{"source":{"id":"1412.1588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-04T08:46:34Z","cross_cats_sorted":[],"title_canon_sha256":"25efeeef606a918c08db0e63dbe228afa289a8a094e79525497fbac4b23a7f66","abstract_canon_sha256":"56326b9ad9656175da77bcebafaf3994fb0bf20f67eb0a8e61688e90b576b2dc"},"schema_version":"1.0"},"canonical_sha256":"d24a3da8c813f649ffbf974128214419fb69d4bc76e9db8f110778c2e9c86121","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:06.923288Z","signature_b64":"zWrVuDItNBpphrpsR4ofJvc9YeQPev0bRbkSRQ0MCyIJ18kBzmyYdrmtWEY7wgYxiefYOgFoiZ2UD6FGUKX4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d24a3da8c813f649ffbf974128214419fb69d4bc76e9db8f110778c2e9c86121","last_reissued_at":"2026-05-18T02:32:06.922879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:06.922879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.1588","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W1NKgasK1KfSH5CRMsFRIPiIfRR1GhK2Yx1oTG6OMvRUn6E5Ewbv3yHfqCelxRTDCMaM3zB25r+JtX52r1fKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:05:02.066913Z"},"content_sha256":"bc36467b2d4eeb67902d319fff98442c3e76d58c8662464f7da3592b7c7de76d","schema_version":"1.0","event_id":"sha256:bc36467b2d4eeb67902d319fff98442c3e76d58c8662464f7da3592b7c7de76d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2JFD3KGICP3ET757S5ASQIKEDH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pion pole and transversity effects in hard exclusive meson leptoproduction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dubna), JINR, S. Goloskokov (BLTP","submitted_at":"2014-12-04T08:46:34Z","abstract_excerpt":"We investigate exclusive electroproduction of vector and pseudoscalar mesons at large photon virtuality $Q^2$. These reactions were analyzed within the handbag approach where amplitudes factorize into hard subprocesses and generalized parton distributions (GPDs).\n  The essential role of transversity effects were found in pseudoscalar and light vector meson leptoproduction. These contributions are important at low $Q^2$ and determined by twist-3 effects accompanied by transversity GPDs. The transversity contributions lead to large transverse cross sections for most reactions of pseudoscalar mes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1588","kind":"arxiv","version":1},"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":"2026-05-18T02:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/Iu21qUXVI+n4x+tp2+RCxqXt3QJzcTkEs9UhIHnyFCYGucrT1gCUeCRbg28SxF8INrFmIIekoWIsOgSpenCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:05:02.067645Z"},"content_sha256":"b688fc4bc128df14add938a2e31e7d739e78f5b53c2f2e1ac1f92049ed2f889a","schema_version":"1.0","event_id":"sha256:b688fc4bc128df14add938a2e31e7d739e78f5b53c2f2e1ac1f92049ed2f889a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2JFD3KGICP3ET757S5ASQIKEDH/bundle.json","state_url":"https://pith.science/pith/2JFD3KGICP3ET757S5ASQIKEDH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2JFD3KGICP3ET757S5ASQIKEDH/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":"2026-06-08T19:05:02Z","links":{"resolver":"https://pith.science/pith/2JFD3KGICP3ET757S5ASQIKEDH","bundle":"https://pith.science/pith/2JFD3KGICP3ET757S5ASQIKEDH/bundle.json","state":"https://pith.science/pith/2JFD3KGICP3ET757S5ASQIKEDH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2JFD3KGICP3ET757S5ASQIKEDH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2JFD3KGICP3ET757S5ASQIKEDH","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":"56326b9ad9656175da77bcebafaf3994fb0bf20f67eb0a8e61688e90b576b2dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-04T08:46:34Z","title_canon_sha256":"25efeeef606a918c08db0e63dbe228afa289a8a094e79525497fbac4b23a7f66"},"schema_version":"1.0","source":{"id":"1412.1588","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1588","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1588v1","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1588","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"2JFD3KGICP3E","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2JFD3KGICP3ET757","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2JFD3KGI","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:b688fc4bc128df14add938a2e31e7d739e78f5b53c2f2e1ac1f92049ed2f889a","target":"graph","created_at":"2026-05-18T02:32:06Z","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 investigate exclusive electroproduction of vector and pseudoscalar mesons at large photon virtuality $Q^2$. These reactions were analyzed within the handbag approach where amplitudes factorize into hard subprocesses and generalized parton distributions (GPDs).\n  The essential role of transversity effects were found in pseudoscalar and light vector meson leptoproduction. These contributions are important at low $Q^2$ and determined by twist-3 effects accompanied by transversity GPDs. The transversity contributions lead to large transverse cross sections for most reactions of pseudoscalar mes","authors_text":"Dubna), JINR, S. Goloskokov (BLTP","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-04T08:46:34Z","title":"Pion pole and transversity effects in hard exclusive meson leptoproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1588","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:bc36467b2d4eeb67902d319fff98442c3e76d58c8662464f7da3592b7c7de76d","target":"record","created_at":"2026-05-18T02:32:06Z","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":"56326b9ad9656175da77bcebafaf3994fb0bf20f67eb0a8e61688e90b576b2dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-04T08:46:34Z","title_canon_sha256":"25efeeef606a918c08db0e63dbe228afa289a8a094e79525497fbac4b23a7f66"},"schema_version":"1.0","source":{"id":"1412.1588","kind":"arxiv","version":1}},"canonical_sha256":"d24a3da8c813f649ffbf974128214419fb69d4bc76e9db8f110778c2e9c86121","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d24a3da8c813f649ffbf974128214419fb69d4bc76e9db8f110778c2e9c86121","first_computed_at":"2026-05-18T02:32:06.922879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:06.922879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zWrVuDItNBpphrpsR4ofJvc9YeQPev0bRbkSRQ0MCyIJ18kBzmyYdrmtWEY7wgYxiefYOgFoiZ2UD6FGUKX4Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:06.923288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.1588","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc36467b2d4eeb67902d319fff98442c3e76d58c8662464f7da3592b7c7de76d","sha256:b688fc4bc128df14add938a2e31e7d739e78f5b53c2f2e1ac1f92049ed2f889a"],"state_sha256":"05899ddd5368b72b821176bc98db596cc4010c32ad0a97459a827f3f6d036b02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V9jaueWyhkwBRdsVlWxWsxzooJqd9uRdmofgmf9qhqnbxiTrYIxPQjDi5YSHP/eGoDyYAM/X3LhHTdIueSrIDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:05:02.071835Z","bundle_sha256":"608e5718324e337622d6373539151a056bd6e40b9e28c9118cce4f11a5d39bf9"}}