{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:7B64C24M6HVG3CNOX27V5PXH7C","short_pith_number":"pith:7B64C24M","canonical_record":{"source":{"id":"1006.0852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-06-04T10:40:50Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7b240a74bb979ccd9d75798b57b6b3c2d0474ae6d9112df362afdc1575ced59f","abstract_canon_sha256":"0c336836ec65bd9092b9defd7f392fc6c79a4a70c1fc670d187626a687f42f8e"},"schema_version":"1.0"},"canonical_sha256":"f87dc16b8cf1ea6d89aebebf5ebee7f892a121ef5b42ffcd8c290bb66975e6bb","source":{"kind":"arxiv","id":"1006.0852","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.0852","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"1006.0852v1","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.0852","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"7B64C24M6HVG","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"7B64C24M6HVG3CNO","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"7B64C24M","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:7B64C24M6HVG3CNOX27V5PXH7C","target":"record","payload":{"canonical_record":{"source":{"id":"1006.0852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-06-04T10:40:50Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7b240a74bb979ccd9d75798b57b6b3c2d0474ae6d9112df362afdc1575ced59f","abstract_canon_sha256":"0c336836ec65bd9092b9defd7f392fc6c79a4a70c1fc670d187626a687f42f8e"},"schema_version":"1.0"},"canonical_sha256":"f87dc16b8cf1ea6d89aebebf5ebee7f892a121ef5b42ffcd8c290bb66975e6bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:04.769778Z","signature_b64":"LhavwRSpqC36GjweQbUjsq90pcW/Pg/nd/Dgejm/CYLmVHJaAw/dyjJEhUtxzticM8wipZYEyTQv1n1LwBEnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f87dc16b8cf1ea6d89aebebf5ebee7f892a121ef5b42ffcd8c290bb66975e6bb","last_reissued_at":"2026-05-18T02:07:04.769057Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:04.769057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.0852","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":"2026-05-18T02:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FuigYA3JS+rKt0YgqB1cu36fmlnhhGTkO3EN6uFoAqEPZQQDETqLmxMZ1yi7J8OzOjHKhVvU+myOc7vVl5mAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:34:02.315984Z"},"content_sha256":"0c58db24f4e2b8839252a263414bf9fb9de06deebe2e3ac4ecf2be30c2429bfc","schema_version":"1.0","event_id":"sha256:0c58db24f4e2b8839252a263414bf9fb9de06deebe2e3ac4ecf2be30c2429bfc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:7B64C24M6HVG3CNOX27V5PXH7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral Symmetry and Axial Anomaly in Hadron and Nuclear Physics --- a review --","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Teiji Kunihiro","submitted_at":"2010-06-04T10:40:50Z","abstract_excerpt":"The important role played by chiral symmetry and axial anomaly in QCD in nuclear physics is reviewed. Some recent topics on possible chiral restoration in hot and/or dense matter are picked up. We also discuss so called {\\em effective} restoration of chiral anomaly hot and/or dense matter, as may be seen in a character change of $\\eta '$ meson."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.0852","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":"2026-05-18T02:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tIvVnnQrCjlvMAKCH5+3cuRBFYQfdKofKZiH4E9ytTwLE+7Es+2hwHLGlo8LFXTxYx+WXCkUVqkKkl7TX5i3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:34:02.316678Z"},"content_sha256":"cc7a3903b49588b62a9ed23561649d40b650611a9b8e51908c0685df6f17b1aa","schema_version":"1.0","event_id":"sha256:cc7a3903b49588b62a9ed23561649d40b650611a9b8e51908c0685df6f17b1aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7B64C24M6HVG3CNOX27V5PXH7C/bundle.json","state_url":"https://pith.science/pith/7B64C24M6HVG3CNOX27V5PXH7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7B64C24M6HVG3CNOX27V5PXH7C/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":"2026-06-06T22:34:02Z","links":{"resolver":"https://pith.science/pith/7B64C24M6HVG3CNOX27V5PXH7C","bundle":"https://pith.science/pith/7B64C24M6HVG3CNOX27V5PXH7C/bundle.json","state":"https://pith.science/pith/7B64C24M6HVG3CNOX27V5PXH7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7B64C24M6HVG3CNOX27V5PXH7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:7B64C24M6HVG3CNOX27V5PXH7C","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":"0c336836ec65bd9092b9defd7f392fc6c79a4a70c1fc670d187626a687f42f8e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-06-04T10:40:50Z","title_canon_sha256":"7b240a74bb979ccd9d75798b57b6b3c2d0474ae6d9112df362afdc1575ced59f"},"schema_version":"1.0","source":{"id":"1006.0852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.0852","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"1006.0852v1","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.0852","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"7B64C24M6HVG","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"7B64C24M6HVG3CNO","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"7B64C24M","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:cc7a3903b49588b62a9ed23561649d40b650611a9b8e51908c0685df6f17b1aa","target":"graph","created_at":"2026-05-18T02:07:04Z","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":"The important role played by chiral symmetry and axial anomaly in QCD in nuclear physics is reviewed. Some recent topics on possible chiral restoration in hot and/or dense matter are picked up. We also discuss so called {\\em effective} restoration of chiral anomaly hot and/or dense matter, as may be seen in a character change of $\\eta '$ meson.","authors_text":"Teiji Kunihiro","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-06-04T10:40:50Z","title":"Chiral Symmetry and Axial Anomaly in Hadron and Nuclear Physics --- a review --"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.0852","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":"sha256:0c58db24f4e2b8839252a263414bf9fb9de06deebe2e3ac4ecf2be30c2429bfc","target":"record","created_at":"2026-05-18T02:07:04Z","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":"0c336836ec65bd9092b9defd7f392fc6c79a4a70c1fc670d187626a687f42f8e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-06-04T10:40:50Z","title_canon_sha256":"7b240a74bb979ccd9d75798b57b6b3c2d0474ae6d9112df362afdc1575ced59f"},"schema_version":"1.0","source":{"id":"1006.0852","kind":"arxiv","version":1}},"canonical_sha256":"f87dc16b8cf1ea6d89aebebf5ebee7f892a121ef5b42ffcd8c290bb66975e6bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f87dc16b8cf1ea6d89aebebf5ebee7f892a121ef5b42ffcd8c290bb66975e6bb","first_computed_at":"2026-05-18T02:07:04.769057Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:04.769057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LhavwRSpqC36GjweQbUjsq90pcW/Pg/nd/Dgejm/CYLmVHJaAw/dyjJEhUtxzticM8wipZYEyTQv1n1LwBEnAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:04.769778Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.0852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c58db24f4e2b8839252a263414bf9fb9de06deebe2e3ac4ecf2be30c2429bfc","sha256:cc7a3903b49588b62a9ed23561649d40b650611a9b8e51908c0685df6f17b1aa"],"state_sha256":"a0bf0b091462222ee9df549e5509019d54af6dc6009b0671a23973bbeb3da2b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyTFgr/mxRbDKpvqnE+Xhw1uWI7mizD3hd1Y91ZCiiuAqqzo72YfPooNrNec21NL62gVb3BXhwlGIpiWpwsOCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T22:34:02.320166Z","bundle_sha256":"4b494ee760502e5fe6a7f18e0e787b4a7a9e928afa6e817d9c988380f4c93ce3"}}