{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4YQS2GBAVAJM2SGZ4Z66VMI43V","short_pith_number":"pith:4YQS2GBA","canonical_record":{"source":{"id":"2205.09334","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ph","submitted_at":"2022-05-19T06:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"1212a89a7ae83407f6295ab6059dfb08e31f9523cf8fbd6d0df4ba00a479ef2a","abstract_canon_sha256":"13a6a20753d32c4c0b34feb90d36eff0f9d4a798fd4d423ca56db142e14690f3"},"schema_version":"1.0"},"canonical_sha256":"e6212d1820a812cd48d9e67deab11cdd53285b651b292324f3a4e6f27572b67d","source":{"kind":"arxiv","id":"2205.09334","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.09334","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"arxiv_version","alias_value":"2205.09334v1","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.09334","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_12","alias_value":"4YQS2GBAVAJM","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_16","alias_value":"4YQS2GBAVAJM2SGZ","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_8","alias_value":"4YQS2GBA","created_at":"2026-07-05T05:14:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4YQS2GBAVAJM2SGZ4Z66VMI43V","target":"record","payload":{"canonical_record":{"source":{"id":"2205.09334","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ph","submitted_at":"2022-05-19T06:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"1212a89a7ae83407f6295ab6059dfb08e31f9523cf8fbd6d0df4ba00a479ef2a","abstract_canon_sha256":"13a6a20753d32c4c0b34feb90d36eff0f9d4a798fd4d423ca56db142e14690f3"},"schema_version":"1.0"},"canonical_sha256":"e6212d1820a812cd48d9e67deab11cdd53285b651b292324f3a4e6f27572b67d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:14:14.787342Z","signature_b64":"zQIy/ngruTgAYWRcI3KD1JvcxF9S/8TSf3zJ7Jrb8/qVmmqg023x5cKnkVv80EWX8A9IgS3hZa9MFMCQN0o4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6212d1820a812cd48d9e67deab11cdd53285b651b292324f3a4e6f27572b67d","last_reissued_at":"2026-07-05T05:14:14.786846Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:14:14.786846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.09334","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":"2026-07-05T05:14:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h99TA7m2qxECJCnA0KYRX2toy/ttRtqvAON5t3Aq+a75PLxe2UoG/Pz/jez2CvjRbeJtULdeLHpN3c4exZpFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:48:51.273166Z"},"content_sha256":"4087c4e7b87109d4fdd54ff5804cd3c50237f1c7b238d050ae833c4f41d2943f","schema_version":"1.0","event_id":"sha256:4087c4e7b87109d4fdd54ff5804cd3c50237f1c7b238d050ae833c4f41d2943f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4YQS2GBAVAJM2SGZ4Z66VMI43V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin evolution of massive fermion in QED plasma","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ziyue Wang","submitted_at":"2022-05-19T06:08:25Z","abstract_excerpt":"The dynamical evolution of spin of a massive probe fermion in a massless hot QED plasma at local equilibrium is investigated through the quantum kinetic theory. We consider the massive probe fermion undergoing 2-by-2 Coulomb scattering with the massless fermions in the medium. The axial kinetic equation is derived including the collision terms to the first order of gradients and leading logarithmic order of the coupling. The collision terms are vanishing at global equilibrium, around which the relaxation time can be extracted as an operator. We further decompose the axial kinetic equation into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.09334","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.09334/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":"2026-07-05T05:14:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GqPNxD3YZXiaCbQUqR3U3AGSzi48rhc57LrlGeFAJjESGnHvsbMOW5qOuuKEBXl9NgIdwsdyKuteBs1HMOwmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:48:51.273672Z"},"content_sha256":"e7e413c3e734eb596f28478799aa339d9192c55879f965cc99c8e528bd18e89e","schema_version":"1.0","event_id":"sha256:e7e413c3e734eb596f28478799aa339d9192c55879f965cc99c8e528bd18e89e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/bundle.json","state_url":"https://pith.science/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/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":"2026-08-21T15:48:51Z","links":{"resolver":"https://pith.science/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V","bundle":"https://pith.science/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/bundle.json","state":"https://pith.science/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4YQS2GBAVAJM2SGZ4Z66VMI43V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4YQS2GBAVAJM2SGZ4Z66VMI43V","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":"13a6a20753d32c4c0b34feb90d36eff0f9d4a798fd4d423ca56db142e14690f3","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ph","submitted_at":"2022-05-19T06:08:25Z","title_canon_sha256":"1212a89a7ae83407f6295ab6059dfb08e31f9523cf8fbd6d0df4ba00a479ef2a"},"schema_version":"1.0","source":{"id":"2205.09334","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.09334","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"arxiv_version","alias_value":"2205.09334v1","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.09334","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_12","alias_value":"4YQS2GBAVAJM","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_16","alias_value":"4YQS2GBAVAJM2SGZ","created_at":"2026-07-05T05:14:14Z"},{"alias_kind":"pith_short_8","alias_value":"4YQS2GBA","created_at":"2026-07-05T05:14:14Z"}],"graph_snapshots":[{"event_id":"sha256:e7e413c3e734eb596f28478799aa339d9192c55879f965cc99c8e528bd18e89e","target":"graph","created_at":"2026-07-05T05:14:14Z","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/2205.09334/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The dynamical evolution of spin of a massive probe fermion in a massless hot QED plasma at local equilibrium is investigated through the quantum kinetic theory. We consider the massive probe fermion undergoing 2-by-2 Coulomb scattering with the massless fermions in the medium. The axial kinetic equation is derived including the collision terms to the first order of gradients and leading logarithmic order of the coupling. The collision terms are vanishing at global equilibrium, around which the relaxation time can be extracted as an operator. We further decompose the axial kinetic equation into","authors_text":"Ziyue Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ph","submitted_at":"2022-05-19T06:08:25Z","title":"Spin evolution of massive fermion in QED plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.09334","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":"sha256:4087c4e7b87109d4fdd54ff5804cd3c50237f1c7b238d050ae833c4f41d2943f","target":"record","created_at":"2026-07-05T05:14:14Z","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":"13a6a20753d32c4c0b34feb90d36eff0f9d4a798fd4d423ca56db142e14690f3","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ph","submitted_at":"2022-05-19T06:08:25Z","title_canon_sha256":"1212a89a7ae83407f6295ab6059dfb08e31f9523cf8fbd6d0df4ba00a479ef2a"},"schema_version":"1.0","source":{"id":"2205.09334","kind":"arxiv","version":1}},"canonical_sha256":"e6212d1820a812cd48d9e67deab11cdd53285b651b292324f3a4e6f27572b67d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6212d1820a812cd48d9e67deab11cdd53285b651b292324f3a4e6f27572b67d","first_computed_at":"2026-07-05T05:14:14.786846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:14:14.786846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zQIy/ngruTgAYWRcI3KD1JvcxF9S/8TSf3zJ7Jrb8/qVmmqg023x5cKnkVv80EWX8A9IgS3hZa9MFMCQN0o4AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:14:14.787342Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.09334","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4087c4e7b87109d4fdd54ff5804cd3c50237f1c7b238d050ae833c4f41d2943f","sha256:e7e413c3e734eb596f28478799aa339d9192c55879f965cc99c8e528bd18e89e"],"state_sha256":"b41bcb0b86a42e793fb94fa181efc4ec5d2702232f59fcfb73bab9ccc092e55a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErmXvkW8coj9RNNyZFqCpCvMg0Dja7hLl2vb02o4D7KIfS49IgeIgo6VOqAY5773bhK0+xd9xCIj1nkz7FDZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:48:51.277914Z","bundle_sha256":"b34b51a09e786715d0982c82f39b71ee6ce63484dd0a9cef31e13f78ca7e635b"}}