{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WWLBIAS3TOF6B2DERMNXUZRYHN","short_pith_number":"pith:WWLBIAS3","canonical_record":{"source":{"id":"2306.08140","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-06-13T21:10:15Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"f72c319787b888769075fa43ea459171cb770235be271e1df00b34bd26240666","abstract_canon_sha256":"5c5b5bbc36c2394444ddb2889a73519419d7f4b55b7ee7471fab41041bc3ce18"},"schema_version":"1.0"},"canonical_sha256":"b59614025b9b8be0e8648b1b7a66383b6ede2bf19bd0408f80c7b2f9840a1576","source":{"kind":"arxiv","id":"2306.08140","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.08140","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.08140v3","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.08140","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"WWLBIAS3TOF6","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"WWLBIAS3TOF6B2DE","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"WWLBIAS3","created_at":"2026-07-05T07:22:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WWLBIAS3TOF6B2DERMNXUZRYHN","target":"record","payload":{"canonical_record":{"source":{"id":"2306.08140","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-06-13T21:10:15Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"f72c319787b888769075fa43ea459171cb770235be271e1df00b34bd26240666","abstract_canon_sha256":"5c5b5bbc36c2394444ddb2889a73519419d7f4b55b7ee7471fab41041bc3ce18"},"schema_version":"1.0"},"canonical_sha256":"b59614025b9b8be0e8648b1b7a66383b6ede2bf19bd0408f80c7b2f9840a1576","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:22:19.433328Z","signature_b64":"kFvOqSeDnuESh0OsAhsX6s7Zv+m/m8w0zvaIzM36ECf/MRrUIGZXNFyYhZZZsEISEC9tUnALxevTANBsVI5QAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b59614025b9b8be0e8648b1b7a66383b6ede2bf19bd0408f80c7b2f9840a1576","last_reissued_at":"2026-07-05T07:22:19.432804Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:22:19.432804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.08140","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJlTqEcE9pK5m3hV+appJkQm2ILDCVP2oNYzXGh3vOsTJeoMzSd95fSDLdqA3NeAPBzgXin5hxuR365mv0RUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:45:13.155465Z"},"content_sha256":"ad02715637e1287bf18d74a81c19566b63646b22340dd9e8a3406c5d33fd0d40","schema_version":"1.0","event_id":"sha256:ad02715637e1287bf18d74a81c19566b63646b22340dd9e8a3406c5d33fd0d40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WWLBIAS3TOF6B2DERMNXUZRYHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutron star matter based on a parity doublet model including the $a_0(980)$ meson","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"nucl-th","authors_text":"Masayasu Harada, Takuya Minamikawa, Yuk Kei Kong","submitted_at":"2023-06-13T21:10:15Z","abstract_excerpt":"We study the effect of the isovector-scalar meson $a_0$(980) on the properties of nuclear matter and the neutron star (NS) matter by constructing a parity doublet model with including the $a_0$ meson based on the chiral SU(2)$_L\\times$SU(2)$_R$ symmetry. We also include the $\\omega$-$\\rho$ mixing contribution to adjust the slope parameter at the saturation. We find that, when the chiral invariant mass of nucleon $m_0$ is smaller than about 800 MeV, the existence of $a_0$(980) enlarges the symmetry energy by strengthening the repulsive $\\rho$ meson coupling. On the other hand, for large $m_0$ w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.08140","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.08140/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S50l3bbUy/yV1SICfjAXWKsSTIU2l2EJqrWX6M6Hmg4urI+oV4CM0tjHUClhm+ay/D0Be12EP8xCQyo5uamODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:45:13.156006Z"},"content_sha256":"700bc3937f0ed6675550998558d0a48d5d3d89f62192f903eeeb078c45dcd291","schema_version":"1.0","event_id":"sha256:700bc3937f0ed6675550998558d0a48d5d3d89f62192f903eeeb078c45dcd291"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/bundle.json","state_url":"https://pith.science/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/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":"2026-08-04T10:45:13Z","links":{"resolver":"https://pith.science/pith/WWLBIAS3TOF6B2DERMNXUZRYHN","bundle":"https://pith.science/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/bundle.json","state":"https://pith.science/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWLBIAS3TOF6B2DERMNXUZRYHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WWLBIAS3TOF6B2DERMNXUZRYHN","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":"5c5b5bbc36c2394444ddb2889a73519419d7f4b55b7ee7471fab41041bc3ce18","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-06-13T21:10:15Z","title_canon_sha256":"f72c319787b888769075fa43ea459171cb770235be271e1df00b34bd26240666"},"schema_version":"1.0","source":{"id":"2306.08140","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.08140","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.08140v3","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.08140","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"WWLBIAS3TOF6","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"WWLBIAS3TOF6B2DE","created_at":"2026-07-05T07:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"WWLBIAS3","created_at":"2026-07-05T07:22:19Z"}],"graph_snapshots":[{"event_id":"sha256:700bc3937f0ed6675550998558d0a48d5d3d89f62192f903eeeb078c45dcd291","target":"graph","created_at":"2026-07-05T07:22:19Z","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/2306.08140/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the effect of the isovector-scalar meson $a_0$(980) on the properties of nuclear matter and the neutron star (NS) matter by constructing a parity doublet model with including the $a_0$ meson based on the chiral SU(2)$_L\\times$SU(2)$_R$ symmetry. We also include the $\\omega$-$\\rho$ mixing contribution to adjust the slope parameter at the saturation. We find that, when the chiral invariant mass of nucleon $m_0$ is smaller than about 800 MeV, the existence of $a_0$(980) enlarges the symmetry energy by strengthening the repulsive $\\rho$ meson coupling. On the other hand, for large $m_0$ w","authors_text":"Masayasu Harada, Takuya Minamikawa, Yuk Kei Kong","cross_cats":["astro-ph.HE","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-06-13T21:10:15Z","title":"Neutron star matter based on a parity doublet model including the $a_0(980)$ meson"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.08140","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:ad02715637e1287bf18d74a81c19566b63646b22340dd9e8a3406c5d33fd0d40","target":"record","created_at":"2026-07-05T07:22:19Z","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":"5c5b5bbc36c2394444ddb2889a73519419d7f4b55b7ee7471fab41041bc3ce18","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-06-13T21:10:15Z","title_canon_sha256":"f72c319787b888769075fa43ea459171cb770235be271e1df00b34bd26240666"},"schema_version":"1.0","source":{"id":"2306.08140","kind":"arxiv","version":3}},"canonical_sha256":"b59614025b9b8be0e8648b1b7a66383b6ede2bf19bd0408f80c7b2f9840a1576","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b59614025b9b8be0e8648b1b7a66383b6ede2bf19bd0408f80c7b2f9840a1576","first_computed_at":"2026-07-05T07:22:19.432804Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:22:19.432804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kFvOqSeDnuESh0OsAhsX6s7Zv+m/m8w0zvaIzM36ECf/MRrUIGZXNFyYhZZZsEISEC9tUnALxevTANBsVI5QAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:22:19.433328Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.08140","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad02715637e1287bf18d74a81c19566b63646b22340dd9e8a3406c5d33fd0d40","sha256:700bc3937f0ed6675550998558d0a48d5d3d89f62192f903eeeb078c45dcd291"],"state_sha256":"5b849fec8c843bbb67314849ae06daba91e34eb287df012ed9bae905361ca0e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6uLa84wx2Coqhfkc71a6DvjQ4egnU+Nj8Vpj/oG9xaV/qK4GMa0h6JSEKWtHgJSXYjcwdeSEVc3x8GhOmN9Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T10:45:13.159495Z","bundle_sha256":"ad7d1f61546ea8cd4faa3733d63c089ead51fa55aa99d1db8059b212d2769e4c"}}