{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:HKF4BE4MWFOVOHHOLOY3ZFXIZB","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":"380f5f3e71175f67682740dce5be4d0d7a0dcd518cec9617e8a214923326ec5e","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2001-03-13T15:34:43Z","title_canon_sha256":"bc4f32b9dbc485bebf94d9f2fbc4bf5058220cc15cca55c042bc845fa8e9fdf7"},"schema_version":"1.0","source":{"id":"hep-ph/0103136","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0103136","created_at":"2026-05-18T02:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0103136v4","created_at":"2026-05-18T02:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0103136","created_at":"2026-05-18T02:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"HKF4BE4MWFOV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"HKF4BE4MWFOVOHHO","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"HKF4BE4M","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:97b17f15c5cdcb2833898cf401c3ac51489eb2465aebd06c5bfee78fec48c527","target":"graph","created_at":"2026-05-18T02:36:48Z","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":"It is shown that $\\Lambda$-hyperon fragmentation in charged lepton deep inelastic scattering (DIS) on a polarized nucleon target can provide sensitive information concerning the quark helicity and transversity distributions for both nucleon and $\\Lambda$-hyperon at large $x$. Numerical predictions are given for the spin transfers of the produced $\\Lambda$, when the target nucleon is polarized either longitudinally or transversely, and with the nucleon and $\\Lambda$ quark distributions evaluated both in an SU(6) quark-spectator-diquark model and in a perturbative QCD (pQCD) based model. It is a","authors_text":"Bo-Qiang Ma, Ivan Schmidt, Jacques Soffer, Jian-Jun Yang","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2001-03-13T15:34:43Z","title":"Helicity and Transversity Distribution of Nucleon and $\\Lambda$-Hyperon from $\\Lambda$ Fragmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0103136","kind":"arxiv","version":4},"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:ad0f3b4cec2107ec487cb9f7d6cdeef28842b6d3269e4b788d083f5425757c2a","target":"record","created_at":"2026-05-18T02:36:48Z","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":"380f5f3e71175f67682740dce5be4d0d7a0dcd518cec9617e8a214923326ec5e","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2001-03-13T15:34:43Z","title_canon_sha256":"bc4f32b9dbc485bebf94d9f2fbc4bf5058220cc15cca55c042bc845fa8e9fdf7"},"schema_version":"1.0","source":{"id":"hep-ph/0103136","kind":"arxiv","version":4}},"canonical_sha256":"3a8bc0938cb15d571cee5bb1bc96e8c87231d97b44f1961c00dddc2d8205046d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a8bc0938cb15d571cee5bb1bc96e8c87231d97b44f1961c00dddc2d8205046d","first_computed_at":"2026-05-18T02:36:48.011571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:48.011571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wZytslM3s2wUglQr2rW3SKKgmlZQir2YoRTNPA17w8RJeIAeX6sd8yQyE03AupPGkPl20aec47HsvmE99g4aBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:48.012249Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0103136","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad0f3b4cec2107ec487cb9f7d6cdeef28842b6d3269e4b788d083f5425757c2a","sha256:97b17f15c5cdcb2833898cf401c3ac51489eb2465aebd06c5bfee78fec48c527"],"state_sha256":"c40163817d3bb1cc9421b7f2e69a27051978754f6821e228c60dc37b758b7019"}