{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KHUZ5AV2EJXG7Y2ECRMB5VZGGT","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":"77b9ae104412d3baf20b16ab67c0b7e6e3c7057277bdaeef513d5346e8abdba2","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-05T08:43:35Z","title_canon_sha256":"48dd34607cdf8058dc5a0b6c12d20d0911ba5e22e3f36eae663bbb97c5a09d8b"},"schema_version":"1.0","source":{"id":"1004.0592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0592","created_at":"2026-05-18T04:31:31Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0592v1","created_at":"2026-05-18T04:31:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0592","created_at":"2026-05-18T04:31:31Z"},{"alias_kind":"pith_short_12","alias_value":"KHUZ5AV2EJXG","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KHUZ5AV2EJXG7Y2E","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KHUZ5AV2","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:07abe59661c7985aed060a1195b69b4d9414f7342d2dc35558be42cfde12a106","target":"graph","created_at":"2026-05-18T04:31:31Z","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 investigate chemical-potential ($\\mu$) and temperature ($T$) dependence of scalar and pseudo-scalar meson masses for both real and imaginary $\\mu$, using the Polyakov-loop extended Nambu--Jona-Lasinio (PNJL) model with three-flavor quarks. A three-flavor phase diagram is drawn in $\\mu^2$-$T$ plane where positive (negative) $\\mu^2$ corresponds to positive (imaginary) $\\mu$. A critical surface is plotted as a function of light- and strange-quark current mass and $\\mu^2$. We show that $\\mu$-dependence of the six-quark Kobayashi-Maskawa-'t Hooft (KMT) determinant interaction originated in $U_\\m","authors_text":"Hiroaki Kouno, Kagayaki Oda, Kouji Kashiwa, Masanobu Yahiro, Takeshi Matsumoto","cross_cats":["hep-lat","hep-th","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-05T08:43:35Z","title":"Investigation of meson masses for real and imaginary chemical potential"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0592","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":"sha256:5baea160ca4b0af57bfa63231a9e15246d61dbf21b16fef13f967167b21b2bb4","target":"record","created_at":"2026-05-18T04:31:31Z","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":"77b9ae104412d3baf20b16ab67c0b7e6e3c7057277bdaeef513d5346e8abdba2","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-05T08:43:35Z","title_canon_sha256":"48dd34607cdf8058dc5a0b6c12d20d0911ba5e22e3f36eae663bbb97c5a09d8b"},"schema_version":"1.0","source":{"id":"1004.0592","kind":"arxiv","version":1}},"canonical_sha256":"51e99e82ba226e6fe34414581ed72634dc26ab154f3310df6d55bb0f9feed30a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51e99e82ba226e6fe34414581ed72634dc26ab154f3310df6d55bb0f9feed30a","first_computed_at":"2026-05-18T04:31:31.142845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:31.142845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N644S4CKArZMXMaqGrejbChX0xt0FdS+OWd+zHU7T9YmCLhrKp+Vp8XgkKY0pH0zNmesUn6daPTxNcrMSRExBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:31.143456Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5baea160ca4b0af57bfa63231a9e15246d61dbf21b16fef13f967167b21b2bb4","sha256:07abe59661c7985aed060a1195b69b4d9414f7342d2dc35558be42cfde12a106"],"state_sha256":"d1e5b2c3448e5f284bbc85895a0de3f3bd4b31ec073cae9c53ecf7a3c7223884"}