{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:OOSWSLLQFJUWRXXLOA6WXPHF72","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":"db51537c8cbb8cb8b4ce27de93208603ce300ae28026adb09caed980e4741d9f","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2021-07-22T07:37:58Z","title_canon_sha256":"54d77de6828bea503b6743aac6e971f4c4b897dd58c6bb6183351e6297d1471a"},"schema_version":"1.0","source":{"id":"2107.10499","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10499","created_at":"2026-07-05T03:47:22Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10499v3","created_at":"2026-07-05T03:47:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10499","created_at":"2026-07-05T03:47:22Z"},{"alias_kind":"pith_short_12","alias_value":"OOSWSLLQFJUW","created_at":"2026-07-05T03:47:22Z"},{"alias_kind":"pith_short_16","alias_value":"OOSWSLLQFJUWRXXL","created_at":"2026-07-05T03:47:22Z"},{"alias_kind":"pith_short_8","alias_value":"OOSWSLLQ","created_at":"2026-07-05T03:47:22Z"}],"graph_snapshots":[{"event_id":"sha256:802308366274f8829d5c08f6cda483d63b33589d17f6241f51806192243f40bf","target":"graph","created_at":"2026-07-05T03:47:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2107.10499/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The near-threshold $e^+e^- \\to \\Lambda\\bar{\\Lambda}$ reaction is studied with the assumption that the production mechanism is due to a near-$\\Lambda \\bar{\\Lambda}$-threshold bound state. The cross section of $e^+e^- \\to \\Lambda\\bar{\\Lambda}$ reaction is parametrized in terms of the electromagnetic form factors of $\\Lambda$ hyperon, which are obtained with the vector meson dominance model. It is shown that the contribution to the $e^+e^- \\to \\Lambda\\bar{\\Lambda}$ reaction from a new narrow state with quantum numbers $J^{PC}=1^{--}$ is dominant for energies very close to threshold. The mass of t","authors_text":"An-Xin Dai, Ju-Jun Xie, Zhong-Yi Li","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2021-07-22T07:37:58Z","title":"Electromagnetic form factors of $\\Lambda$ hyperon in the vector meson dominance model and a possible explanation of the near-threshold enhancement of the $e^+e^- \\to \\Lambda\\bar{\\Lambda}$ reaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10499","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":"sha256:1359979ffff95393bc24274856215680bca364e49abaf63d570636c9d522a01f","target":"record","created_at":"2026-07-05T03:47:22Z","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":"db51537c8cbb8cb8b4ce27de93208603ce300ae28026adb09caed980e4741d9f","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2021-07-22T07:37:58Z","title_canon_sha256":"54d77de6828bea503b6743aac6e971f4c4b897dd58c6bb6183351e6297d1471a"},"schema_version":"1.0","source":{"id":"2107.10499","kind":"arxiv","version":3}},"canonical_sha256":"73a5692d702a6968deeb703d6bbce5fea69b6f038c653b35af84476bbcf2579f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73a5692d702a6968deeb703d6bbce5fea69b6f038c653b35af84476bbcf2579f","first_computed_at":"2026-07-05T03:47:22.326584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:47:22.326584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HzDHwatcBn/NmyrctJlGYYfL2Gd31U+Md6Xo/+yFAxrEsEZWuU5xW6uLTH5Ps7dZFMuUZ3uL7oKAYe0uKRrACw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:47:22.327113Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.10499","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1359979ffff95393bc24274856215680bca364e49abaf63d570636c9d522a01f","sha256:802308366274f8829d5c08f6cda483d63b33589d17f6241f51806192243f40bf"],"state_sha256":"a26859cf458a6f43fc5a1ebcccba00ceab568e9b0a0575a28dec16acaf338527"}