{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AJSHXY7KNXBQI4SM6WEE35S6CF","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":"7e4e9d8757107259348e491b5318f94c22527bf6f1c34556170e8985b515bbac","cross_cats_sorted":["astro-ph.CO","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-02T13:54:50Z","title_canon_sha256":"423636dab4f4de99ceff4a56f0cc1d5a7ef753a7a92ba9d9fccf1fb842f00a64"},"schema_version":"1.0","source":{"id":"1512.00692","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00692","created_at":"2026-05-18T01:11:31Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00692v2","created_at":"2026-05-18T01:11:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00692","created_at":"2026-05-18T01:11:31Z"},{"alias_kind":"pith_short_12","alias_value":"AJSHXY7KNXBQ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AJSHXY7KNXBQI4SM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AJSHXY7K","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:e0a6918db6fb516e96a080c9a885025f9f6ed0227811c91ea1a6871988f28b3c","target":"graph","created_at":"2026-05-18T01:11:31Z","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 show that the measured yield ratio $^3_{\\Lambda}$H/$^3$He ($^3_{\\overline{\\Lambda}}\\overline{\\text{H}}$/$^3\\overline{\\text{He}}$) in Au+Au collisions at $\\sqrt{s_{NN}}=200$ GeV and in Pb+Pb collisions at $\\sqrt{s_{NN}}=2.76$ TeV can be understood within a covariant coalescence model if (anti-)$\\Lambda$ particles freeze out earlier than (anti-)nucleons but their relative freezeout time is closer at $\\sqrt{s_{NN}}=2.76$ TeV than at $\\sqrt{s_{NN}}=200$ GeV. The earlier (anti-)$\\Lambda$ freezeout can significantly enhance the yield of (anti)hypernucleus $^4_{\\Lambda}$H ($^4_{\\overline{\\Lambda}}","authors_text":"Kai-Jia Sun, Lie-Wen Chen","cross_cats":["astro-ph.CO","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-02T13:54:50Z","title":"Antimatter $^4_{\\Lambda}$H Hypernucleus Production and the $^3_{\\Lambda}$H/$^3$He Puzzle in Relativistic Heavy-Ion Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00692","kind":"arxiv","version":2},"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:a3084b83410ae40c410cd0fe4f9e52a0f67bb5f20fd095db938b502116c055b4","target":"record","created_at":"2026-05-18T01:11:31Z","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":"7e4e9d8757107259348e491b5318f94c22527bf6f1c34556170e8985b515bbac","cross_cats_sorted":["astro-ph.CO","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-02T13:54:50Z","title_canon_sha256":"423636dab4f4de99ceff4a56f0cc1d5a7ef753a7a92ba9d9fccf1fb842f00a64"},"schema_version":"1.0","source":{"id":"1512.00692","kind":"arxiv","version":2}},"canonical_sha256":"02647be3ea6dc304724cf5884df65e117fad729ace28aa54b174fc541061a828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02647be3ea6dc304724cf5884df65e117fad729ace28aa54b174fc541061a828","first_computed_at":"2026-05-18T01:11:31.968722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:31.968722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"easxTg5ZYknDke8ULieAUq+uvniFQCYyf/3nqqlbR8bB6DvsyWz0m9eEtxvmjZQ6yM8M6ACM7D3gDJG2hYUyBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:31.969169Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00692","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3084b83410ae40c410cd0fe4f9e52a0f67bb5f20fd095db938b502116c055b4","sha256:e0a6918db6fb516e96a080c9a885025f9f6ed0227811c91ea1a6871988f28b3c"],"state_sha256":"b80da9e8a4156c5cca969deedda9f64b787a38a1d48ae7e48881ac188a9d8beb"}