{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QVXYN4RW3BL5CA6JU2OLGJWGES","short_pith_number":"pith:QVXYN4RW","canonical_record":{"source":{"id":"2007.13691","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-07-27T17:08:17Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"d0da715b62da08b0d9aebf078cc5f20e55f1ac53525ab8b28cb8cd971b291582","abstract_canon_sha256":"719f042ced571c7007e44fb1fcd69e72eda972e58678b16df1891dc51d216522"},"schema_version":"1.0"},"canonical_sha256":"856f86f236d857d103c9a69cb326c624bb3553cefd19c7e8380ea8d766acb8ea","source":{"kind":"arxiv","id":"2007.13691","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.13691","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"arxiv_version","alias_value":"2007.13691v3","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.13691","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_12","alias_value":"QVXYN4RW3BL5","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_16","alias_value":"QVXYN4RW3BL5CA6J","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_8","alias_value":"QVXYN4RW","created_at":"2026-07-05T02:08:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QVXYN4RW3BL5CA6JU2OLGJWGES","target":"record","payload":{"canonical_record":{"source":{"id":"2007.13691","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-07-27T17:08:17Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"d0da715b62da08b0d9aebf078cc5f20e55f1ac53525ab8b28cb8cd971b291582","abstract_canon_sha256":"719f042ced571c7007e44fb1fcd69e72eda972e58678b16df1891dc51d216522"},"schema_version":"1.0"},"canonical_sha256":"856f86f236d857d103c9a69cb326c624bb3553cefd19c7e8380ea8d766acb8ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:08:09.864399Z","signature_b64":"ago+tzgP/9KTU7aUwx10gbA1T3EjWLQT46F/4ViF/KJ5/UJsrh9CXMp7QcXS2IMJDql+lgPQTOOlxYWdTFSaCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"856f86f236d857d103c9a69cb326c624bb3553cefd19c7e8380ea8d766acb8ea","last_reissued_at":"2026-07-05T02:08:09.863902Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:08:09.863902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.13691","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":"2026-07-05T02:08:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAaqgQR1RLh78gCR3aSXbIVGefg0kB/PpOm8NOp7XSaTNba6UEqVLlXgFKi+nDm3qZXo+sfwYaAyazUoCWvCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:53:04.828289Z"},"content_sha256":"916e26a090f6a5dee5432ffb9e725d05bdb40d5ef4cd0fae4f4b281c85f3466e","schema_version":"1.0","event_id":"sha256:916e26a090f6a5dee5432ffb9e725d05bdb40d5ef4cd0fae4f4b281c85f3466e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QVXYN4RW3BL5CA6JU2OLGJWGES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of the Primordial Axial Charge across Cosmic Times","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"hep-ph","authors_text":"A. Boyarsky, O. Ruchayskiy, O. Sobol, V. Cheianov","submitted_at":"2020-07-27T17:08:17Z","abstract_excerpt":"We investigate collisional decay of the axial charge in an electron-photon plasma at temperatures 10 MeV - 100 GeV. We demonstrate that the decay rate of the axial charge is first order in the fine-structure constant $\\Gamma_{\\rm flip}\\propto \\alpha m_{e}^{2}/T$ and thus orders of magnitude greater than the naive estimate which has been in use for decades. This counterintuitive result arises through infrared divergences regularized at high temperature by environmental effects. The decay of axial charge plays an important role in the problems of leptogenesis and cosmic magnetogenesis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.13691","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/2007.13691/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":"2026-07-05T02:08:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XahHXAuvCOJzWc9NzsPTIrq8Al2bx2uCWtrsGzOpx5NmbYm9OYgj2prQbBPHETtUB+8nCqujEW8ohoPYSO2gCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:53:04.828943Z"},"content_sha256":"9b7cc7cb3f78e186a4d05d9547b83e7af9060c85d65adef242dbcdbfd7718cec","schema_version":"1.0","event_id":"sha256:9b7cc7cb3f78e186a4d05d9547b83e7af9060c85d65adef242dbcdbfd7718cec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/bundle.json","state_url":"https://pith.science/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/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":"2026-08-04T21:53:04Z","links":{"resolver":"https://pith.science/pith/QVXYN4RW3BL5CA6JU2OLGJWGES","bundle":"https://pith.science/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/bundle.json","state":"https://pith.science/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVXYN4RW3BL5CA6JU2OLGJWGES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QVXYN4RW3BL5CA6JU2OLGJWGES","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":"719f042ced571c7007e44fb1fcd69e72eda972e58678b16df1891dc51d216522","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-07-27T17:08:17Z","title_canon_sha256":"d0da715b62da08b0d9aebf078cc5f20e55f1ac53525ab8b28cb8cd971b291582"},"schema_version":"1.0","source":{"id":"2007.13691","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.13691","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"arxiv_version","alias_value":"2007.13691v3","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.13691","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_12","alias_value":"QVXYN4RW3BL5","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_16","alias_value":"QVXYN4RW3BL5CA6J","created_at":"2026-07-05T02:08:09Z"},{"alias_kind":"pith_short_8","alias_value":"QVXYN4RW","created_at":"2026-07-05T02:08:09Z"}],"graph_snapshots":[{"event_id":"sha256:9b7cc7cb3f78e186a4d05d9547b83e7af9060c85d65adef242dbcdbfd7718cec","target":"graph","created_at":"2026-07-05T02:08:09Z","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/2007.13691/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate collisional decay of the axial charge in an electron-photon plasma at temperatures 10 MeV - 100 GeV. We demonstrate that the decay rate of the axial charge is first order in the fine-structure constant $\\Gamma_{\\rm flip}\\propto \\alpha m_{e}^{2}/T$ and thus orders of magnitude greater than the naive estimate which has been in use for decades. This counterintuitive result arises through infrared divergences regularized at high temperature by environmental effects. The decay of axial charge plays an important role in the problems of leptogenesis and cosmic magnetogenesis.","authors_text":"A. Boyarsky, O. Ruchayskiy, O. Sobol, V. Cheianov","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-07-27T17:08:17Z","title":"Evolution of the Primordial Axial Charge across Cosmic Times"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.13691","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":"sha256:916e26a090f6a5dee5432ffb9e725d05bdb40d5ef4cd0fae4f4b281c85f3466e","target":"record","created_at":"2026-07-05T02:08:09Z","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":"719f042ced571c7007e44fb1fcd69e72eda972e58678b16df1891dc51d216522","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-07-27T17:08:17Z","title_canon_sha256":"d0da715b62da08b0d9aebf078cc5f20e55f1ac53525ab8b28cb8cd971b291582"},"schema_version":"1.0","source":{"id":"2007.13691","kind":"arxiv","version":3}},"canonical_sha256":"856f86f236d857d103c9a69cb326c624bb3553cefd19c7e8380ea8d766acb8ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"856f86f236d857d103c9a69cb326c624bb3553cefd19c7e8380ea8d766acb8ea","first_computed_at":"2026-07-05T02:08:09.863902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:08:09.863902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ago+tzgP/9KTU7aUwx10gbA1T3EjWLQT46F/4ViF/KJ5/UJsrh9CXMp7QcXS2IMJDql+lgPQTOOlxYWdTFSaCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:08:09.864399Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.13691","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:916e26a090f6a5dee5432ffb9e725d05bdb40d5ef4cd0fae4f4b281c85f3466e","sha256:9b7cc7cb3f78e186a4d05d9547b83e7af9060c85d65adef242dbcdbfd7718cec"],"state_sha256":"0373ce9742e78badb805d26cd9c4659eb0c237f808cf47c57c37968091120061"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LD2yO4k80wzOYIzbl/SQ49qNraNT1emlTGQtSkiPONaQ5gju4OONDA3SGh1uX5KShB3itqQMd60Nwf5Y/9snDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:53:04.869539Z","bundle_sha256":"6eb9d575ba97c2b2f8d3f58870825ce5113bf0e133a0335f6080cdcda77043ee"}}