{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HY72ELFHAUVZWFR3G3FEKIICMB","short_pith_number":"pith:HY72ELFH","canonical_record":{"source":{"id":"1802.06216","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-17T09:17:41Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"b314641def88be940e71f779b83ae660fb87a78d1a574a02ecddbbba84d75ce9","abstract_canon_sha256":"73bb005e8fb0c3249ed224a71705b24973f42c5646f74c747a6fae0e64d1c9fc"},"schema_version":"1.0"},"canonical_sha256":"3e3fa22ca7052b9b163b36ca4521026077e32f3f4f1440bd3a2f0ab657aed76d","source":{"kind":"arxiv","id":"1802.06216","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06216","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06216v3","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06216","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"HY72ELFHAUVZ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HY72ELFHAUVZWFR3","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HY72ELFH","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HY72ELFHAUVZWFR3G3FEKIICMB","target":"record","payload":{"canonical_record":{"source":{"id":"1802.06216","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-17T09:17:41Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"b314641def88be940e71f779b83ae660fb87a78d1a574a02ecddbbba84d75ce9","abstract_canon_sha256":"73bb005e8fb0c3249ed224a71705b24973f42c5646f74c747a6fae0e64d1c9fc"},"schema_version":"1.0"},"canonical_sha256":"3e3fa22ca7052b9b163b36ca4521026077e32f3f4f1440bd3a2f0ab657aed76d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:05.091567Z","signature_b64":"WRDv6neaVuqeYFtnkCUpkof2r5T0q/UvByfidigUYp4QgGp3eyN/I36D0xo1b+RBqyFNszZI7y3hupRFGsf7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e3fa22ca7052b9b163b36ca4521026077e32f3f4f1440bd3a2f0ab657aed76d","last_reissued_at":"2026-05-18T00:06:05.090957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:05.090957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.06216","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":"2026-05-18T00:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VNe+JP7kDO/SAs+TcogBS7IdbOrQ1dXobqWUQg7Xe0hRCicsmXExjTULBfferwlbAc0d3c2e350UQjT+nk1ICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T16:15:23.467273Z"},"content_sha256":"0efc62c6469b7799aae44aa6331b9c7ff80a859c399dd93bf9169cc98eeb3cfb","schema_version":"1.0","event_id":"sha256:0efc62c6469b7799aae44aa6331b9c7ff80a859c399dd93bf9169cc98eeb3cfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HY72ELFHAUVZWFR3G3FEKIICMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disentangling covariant Wigner functions for chiral fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Jian-Hua Gao, Qun Wang, Xin-Nian Wang, Zuo-Tang Liang","submitted_at":"2018-02-17T09:17:41Z","abstract_excerpt":"We develop a general formalism for the quantum kinetics of chiral fermions in a background electromagnetic field based on a semiclassical expansion of covariant Wigner functions in the Planck constant $\\hbar$. We demonstrate to any order of $\\hbar$ that only the time-component of the Wigner function is independent while other components are explicit derivative. We further demonstrate to any order of $\\hbar$ that a system of quantum kinetic equations for multiple-components of Wigner functions can be reduced to one chiral kinetic equation involving only the single-component distribution functio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06216","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":""},"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":"2026-05-18T00:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F39feN3/NUx74dl3QM6P99FvtbpGhQ3Q0CHBOf6eC6lebQPLRANjbmtZTe+qoEuvoG4no+XsypN4cGCW5UYkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T16:15:23.467935Z"},"content_sha256":"a0146d96430b960090eafdef48aad01c1939d51880f1f93dc7d99e1bd7bef854","schema_version":"1.0","event_id":"sha256:a0146d96430b960090eafdef48aad01c1939d51880f1f93dc7d99e1bd7bef854"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HY72ELFHAUVZWFR3G3FEKIICMB/bundle.json","state_url":"https://pith.science/pith/HY72ELFHAUVZWFR3G3FEKIICMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HY72ELFHAUVZWFR3G3FEKIICMB/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":"2026-05-18T16:15:23Z","links":{"resolver":"https://pith.science/pith/HY72ELFHAUVZWFR3G3FEKIICMB","bundle":"https://pith.science/pith/HY72ELFHAUVZWFR3G3FEKIICMB/bundle.json","state":"https://pith.science/pith/HY72ELFHAUVZWFR3G3FEKIICMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HY72ELFHAUVZWFR3G3FEKIICMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HY72ELFHAUVZWFR3G3FEKIICMB","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":"73bb005e8fb0c3249ed224a71705b24973f42c5646f74c747a6fae0e64d1c9fc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-17T09:17:41Z","title_canon_sha256":"b314641def88be940e71f779b83ae660fb87a78d1a574a02ecddbbba84d75ce9"},"schema_version":"1.0","source":{"id":"1802.06216","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06216","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06216v3","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06216","created_at":"2026-05-18T00:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"HY72ELFHAUVZ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HY72ELFHAUVZWFR3","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HY72ELFH","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:a0146d96430b960090eafdef48aad01c1939d51880f1f93dc7d99e1bd7bef854","target":"graph","created_at":"2026-05-18T00:06:05Z","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 develop a general formalism for the quantum kinetics of chiral fermions in a background electromagnetic field based on a semiclassical expansion of covariant Wigner functions in the Planck constant $\\hbar$. We demonstrate to any order of $\\hbar$ that only the time-component of the Wigner function is independent while other components are explicit derivative. We further demonstrate to any order of $\\hbar$ that a system of quantum kinetic equations for multiple-components of Wigner functions can be reduced to one chiral kinetic equation involving only the single-component distribution functio","authors_text":"Jian-Hua Gao, Qun Wang, Xin-Nian Wang, Zuo-Tang Liang","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-17T09:17:41Z","title":"Disentangling covariant Wigner functions for chiral fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06216","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":"sha256:0efc62c6469b7799aae44aa6331b9c7ff80a859c399dd93bf9169cc98eeb3cfb","target":"record","created_at":"2026-05-18T00:06:05Z","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":"73bb005e8fb0c3249ed224a71705b24973f42c5646f74c747a6fae0e64d1c9fc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-17T09:17:41Z","title_canon_sha256":"b314641def88be940e71f779b83ae660fb87a78d1a574a02ecddbbba84d75ce9"},"schema_version":"1.0","source":{"id":"1802.06216","kind":"arxiv","version":3}},"canonical_sha256":"3e3fa22ca7052b9b163b36ca4521026077e32f3f4f1440bd3a2f0ab657aed76d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e3fa22ca7052b9b163b36ca4521026077e32f3f4f1440bd3a2f0ab657aed76d","first_computed_at":"2026-05-18T00:06:05.090957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:05.090957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WRDv6neaVuqeYFtnkCUpkof2r5T0q/UvByfidigUYp4QgGp3eyN/I36D0xo1b+RBqyFNszZI7y3hupRFGsf7Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:05.091567Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.06216","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0efc62c6469b7799aae44aa6331b9c7ff80a859c399dd93bf9169cc98eeb3cfb","sha256:a0146d96430b960090eafdef48aad01c1939d51880f1f93dc7d99e1bd7bef854"],"state_sha256":"d42f0426ee628065a33221690e76b21cad0393ccd73ff71399b6cf62fd0ef0e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BFn4/QofbsN9ozYb08w8ioljrDJ+AAs/KVlD++el8QjuvCQtEBctEFOfKgDS/plsDOaUSrPCfronL6y1ILViAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T16:15:23.469790Z","bundle_sha256":"577d8151dc6b519addc5420a15198a1098fd83e88bb08b471202887f2c863d60"}}