{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:5HVXOZX6X6YCCTYM7EDGTPKT67","short_pith_number":"pith:5HVXOZX6","canonical_record":{"source":{"id":"0907.1972","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-11T15:54:27Z","cross_cats_sorted":[],"title_canon_sha256":"aa3fc0ba866dbb026d773f1b101f86f8bee3b8075564bfac2196385a848a64cf","abstract_canon_sha256":"231ec3a83d51d8b6b8f167decb82a3f6219d092c724d04bb4329e021804f2932"},"schema_version":"1.0"},"canonical_sha256":"e9eb7766febfb0214f0cf90669bd53f7fbfcb2fcd94fdcdee945afbdbabfe9e5","source":{"kind":"arxiv","id":"0907.1972","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.1972","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"arxiv_version","alias_value":"0907.1972v1","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.1972","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"pith_short_12","alias_value":"5HVXOZX6X6YC","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5HVXOZX6X6YCCTYM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5HVXOZX6","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:5HVXOZX6X6YCCTYM7EDGTPKT67","target":"record","payload":{"canonical_record":{"source":{"id":"0907.1972","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-11T15:54:27Z","cross_cats_sorted":[],"title_canon_sha256":"aa3fc0ba866dbb026d773f1b101f86f8bee3b8075564bfac2196385a848a64cf","abstract_canon_sha256":"231ec3a83d51d8b6b8f167decb82a3f6219d092c724d04bb4329e021804f2932"},"schema_version":"1.0"},"canonical_sha256":"e9eb7766febfb0214f0cf90669bd53f7fbfcb2fcd94fdcdee945afbdbabfe9e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:45.011238Z","signature_b64":"JFujHLRgtkDA0i5Gv3XjbJby6A4Wo59FmgnuAWuCROiTiDOKlgoR3n9DRYMuVrvC1PV4FOHM8p3Aw5yV9Fr7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9eb7766febfb0214f0cf90669bd53f7fbfcb2fcd94fdcdee945afbdbabfe9e5","last_reissued_at":"2026-05-17T23:51:45.010584Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:45.010584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.1972","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:51:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/3/yery7NXNrHfsqTXdvLvMJRSTW2QYoOcbz0cHTq7OZ24t/BAMPG3Ty6VP2AiF9M4brZ5HBVK2dKLun3Kd8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:47:17.993752Z"},"content_sha256":"73daae9041562b1d3b06908b054d526522578f6888419dfe2f142a52f1694399","schema_version":"1.0","event_id":"sha256:73daae9041562b1d3b06908b054d526522578f6888419dfe2f142a52f1694399"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:5HVXOZX6X6YCCTYM7EDGTPKT67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalar-pseudoscalar meson spectrum in SU(3) PNJL model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. A. de Sousa, H. Hansen, M. C. Ruivo, Pedro Costa, W.M. Alberico","submitted_at":"2009-07-11T15:54:27Z","abstract_excerpt":"We investigate the modifications of mesonic properties in a hot medium having in mind to use the mesonic modes as a tool to analyze the restoration of chiral and axial symmetries in the context of the SU(3) Polyakov--Nambu--Jona-Lasinio (PNJL) model. The results lead to the conclusion that the effects of the Polyakov loop are fundamental for reproducing lattice findings. It is found that the restoration of chiral symmetry in the PNJL model occurs in a small range of temperature (smaller that in the Nambu--Jona-Lasinio (NJL)), and the topological susceptibility reproduces well the lattice resul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.1972","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:51:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4MZV+FYm9Z6AnjL1efEcRGkYKLnQI9WsViq6vXi9Ch0+o0f8bRgp7xsQfD4X38mMHe0dk4TWsIr9urBdsQn0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:47:17.994100Z"},"content_sha256":"4405920e40155f2ef8a7a6c916161d5b76693c44303d7bc769bfe13eaf853b31","schema_version":"1.0","event_id":"sha256:4405920e40155f2ef8a7a6c916161d5b76693c44303d7bc769bfe13eaf853b31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/bundle.json","state_url":"https://pith.science/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T06:47:17Z","links":{"resolver":"https://pith.science/pith/5HVXOZX6X6YCCTYM7EDGTPKT67","bundle":"https://pith.science/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/bundle.json","state":"https://pith.science/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HVXOZX6X6YCCTYM7EDGTPKT67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:5HVXOZX6X6YCCTYM7EDGTPKT67","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":"231ec3a83d51d8b6b8f167decb82a3f6219d092c724d04bb4329e021804f2932","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-11T15:54:27Z","title_canon_sha256":"aa3fc0ba866dbb026d773f1b101f86f8bee3b8075564bfac2196385a848a64cf"},"schema_version":"1.0","source":{"id":"0907.1972","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.1972","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"arxiv_version","alias_value":"0907.1972v1","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.1972","created_at":"2026-05-17T23:51:45Z"},{"alias_kind":"pith_short_12","alias_value":"5HVXOZX6X6YC","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5HVXOZX6X6YCCTYM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5HVXOZX6","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:4405920e40155f2ef8a7a6c916161d5b76693c44303d7bc769bfe13eaf853b31","target":"graph","created_at":"2026-05-17T23:51:45Z","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 the modifications of mesonic properties in a hot medium having in mind to use the mesonic modes as a tool to analyze the restoration of chiral and axial symmetries in the context of the SU(3) Polyakov--Nambu--Jona-Lasinio (PNJL) model. The results lead to the conclusion that the effects of the Polyakov loop are fundamental for reproducing lattice findings. It is found that the restoration of chiral symmetry in the PNJL model occurs in a small range of temperature (smaller that in the Nambu--Jona-Lasinio (NJL)), and the topological susceptibility reproduces well the lattice resul","authors_text":"C. A. de Sousa, H. Hansen, M. C. Ruivo, Pedro Costa, W.M. Alberico","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-11T15:54:27Z","title":"Scalar-pseudoscalar meson spectrum in SU(3) PNJL model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.1972","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":"sha256:73daae9041562b1d3b06908b054d526522578f6888419dfe2f142a52f1694399","target":"record","created_at":"2026-05-17T23:51:45Z","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":"231ec3a83d51d8b6b8f167decb82a3f6219d092c724d04bb4329e021804f2932","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-11T15:54:27Z","title_canon_sha256":"aa3fc0ba866dbb026d773f1b101f86f8bee3b8075564bfac2196385a848a64cf"},"schema_version":"1.0","source":{"id":"0907.1972","kind":"arxiv","version":1}},"canonical_sha256":"e9eb7766febfb0214f0cf90669bd53f7fbfcb2fcd94fdcdee945afbdbabfe9e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9eb7766febfb0214f0cf90669bd53f7fbfcb2fcd94fdcdee945afbdbabfe9e5","first_computed_at":"2026-05-17T23:51:45.010584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:45.010584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JFujHLRgtkDA0i5Gv3XjbJby6A4Wo59FmgnuAWuCROiTiDOKlgoR3n9DRYMuVrvC1PV4FOHM8p3Aw5yV9Fr7BA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:45.011238Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.1972","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73daae9041562b1d3b06908b054d526522578f6888419dfe2f142a52f1694399","sha256:4405920e40155f2ef8a7a6c916161d5b76693c44303d7bc769bfe13eaf853b31"],"state_sha256":"c550c7a2d4ace6359aae4b8486495f20268f770f899110191e2f136c2908922c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sV4zTH1H9A4kDkIwFXrAH/9iWitYwmBiI0uTBdL8D0h+miWusXzXF0NvcwsnCA79MBc2cpllLewEa5GGaIYlCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:47:17.996005Z","bundle_sha256":"c50af55bcec2a897aeec71eaee23f45eaf27c0d87349131da4b35c7acd5558b3"}}