{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OJZKSI4F2YO32P6KHTHXEUSED4","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":"be7ca3675b0fc8e577d102eb08ab963b989a2f3f02a64c9a0e9b7c1138bc84e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-06-08T18:51:39Z","title_canon_sha256":"15596a67acd00621ec8f4f8e3fa94848e6f609a97ae825c744dfb2e47c915bdb"},"schema_version":"1.0","source":{"id":"1206.1836","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1836","created_at":"2026-05-18T03:53:55Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1836v1","created_at":"2026-05-18T03:53:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1836","created_at":"2026-05-18T03:53:55Z"},{"alias_kind":"pith_short_12","alias_value":"OJZKSI4F2YO3","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OJZKSI4F2YO32P6K","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OJZKSI4F","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:a4e2f2b64c70b307df998ea9fe2b40aebc0ea80aff630daeb8d143d579cfd5c6","target":"graph","created_at":"2026-05-18T03:53:55Z","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 report on the extraction of dihadron fragmentation functions (DiFF) from the semiinclusive production of two hadron pairs in back-to-back jets in e+e- annihilation. A nonzero asymmetry in the correlation of azimuthal orientations of opposite $\\pi^+\\pi^-$ pairs is related to the transverse polarization of fragmenting quarks through a significant polarized DiFF. A combined analysis of this asymmetry and the spin asymmetry in the SIDIS process $ep^{\\uparrow}\\to e'(\\pi^+\\pi^-)X$ has led to the first extraction of the u and d-flavor transversity parton distribution function in the framework of c","authors_text":"A. Courtoy, Alessandro Bacchetta, Marco Radici","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-06-08T18:51:39Z","title":"Status on the transversity parton distribution: the dihadron fragmentation functions way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1836","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:d4e6922166c93726f8a5065a092c2d4a0ca3e0c0113fbd77ec61af72bfd4adbb","target":"record","created_at":"2026-05-18T03:53:55Z","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":"be7ca3675b0fc8e577d102eb08ab963b989a2f3f02a64c9a0e9b7c1138bc84e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-06-08T18:51:39Z","title_canon_sha256":"15596a67acd00621ec8f4f8e3fa94848e6f609a97ae825c744dfb2e47c915bdb"},"schema_version":"1.0","source":{"id":"1206.1836","kind":"arxiv","version":1}},"canonical_sha256":"7272a92385d61dbd3fca3ccf7252441f00d3f5bd409756b8503152ea3dbdb580","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7272a92385d61dbd3fca3ccf7252441f00d3f5bd409756b8503152ea3dbdb580","first_computed_at":"2026-05-18T03:53:55.267725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:55.267725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Chf+ruHm0BGABvZWqWWt1XWC7q2qhK3FddZ0KDZRZZhQQwEYGSc0uHIPyITnGQz8Fb9VxYE0QsNLzBt0SS5RDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:55.268494Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.1836","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4e6922166c93726f8a5065a092c2d4a0ca3e0c0113fbd77ec61af72bfd4adbb","sha256:a4e2f2b64c70b307df998ea9fe2b40aebc0ea80aff630daeb8d143d579cfd5c6"],"state_sha256":"3a31f40f0e91fbe973fe2358af5793501fe2dd5be1df9bd0b851413533fa6fe3"}