{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:X32AUDZZWT33LFF3YZORFBBMVE","short_pith_number":"pith:X32AUDZZ","canonical_record":{"source":{"id":"1206.2428","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-12T02:45:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"d11f044f109903abca5b7b07de6bc0c5e546b589bab08abe4d863361b2aa2a93","abstract_canon_sha256":"6e18dac6ce6a20f5e0d8819ca058591bece7cd15d946e087eadd0fb0aa23dc72"},"schema_version":"1.0"},"canonical_sha256":"bef40a0f39b4f7b594bbc65d12842ca9235fa1e004a09db799dfbf41fa5de096","source":{"kind":"arxiv","id":"1206.2428","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2428","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2428v2","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2428","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"pith_short_12","alias_value":"X32AUDZZWT33","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"X32AUDZZWT33LFF3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"X32AUDZZ","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:X32AUDZZWT33LFF3YZORFBBMVE","target":"record","payload":{"canonical_record":{"source":{"id":"1206.2428","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-12T02:45:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"d11f044f109903abca5b7b07de6bc0c5e546b589bab08abe4d863361b2aa2a93","abstract_canon_sha256":"6e18dac6ce6a20f5e0d8819ca058591bece7cd15d946e087eadd0fb0aa23dc72"},"schema_version":"1.0"},"canonical_sha256":"bef40a0f39b4f7b594bbc65d12842ca9235fa1e004a09db799dfbf41fa5de096","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:40.315191Z","signature_b64":"qpsrq63U0Wdbo/QgGv3s/0cibbQFgJdRISYNxGSprD5lxV4b+fDCUkotUkunZ3c64RqPL8ut18C6N6lpOKBnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bef40a0f39b4f7b594bbc65d12842ca9235fa1e004a09db799dfbf41fa5de096","last_reissued_at":"2026-05-18T03:22:40.314429Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:40.314429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.2428","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7hNluyia/JdcRw4PieT82gGDq1bmkrE1wzOMHN8Bbooiox5CUL2+V2OIF8XToGeg9nqLxoBUSg8puUbEyV4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:07:48.026164Z"},"content_sha256":"ddbb888c633f8549b4e51f1e63bf0abe88f76a089e1ef53ec56000551153777d","schema_version":"1.0","event_id":"sha256:ddbb888c633f8549b4e51f1e63bf0abe88f76a089e1ef53ec56000551153777d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:X32AUDZZWT33LFF3YZORFBBMVE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of inflation-generated magnetic field through phase transitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Alexander G. Tevzadze, Axel Brandenburg, Bharat Ratra, Leonardo Campanelli, Tina Kahniashvili","submitted_at":"2012-06-12T02:45:19Z","abstract_excerpt":"We study the evolution of an inflation-generated magnetic field, due to its coupling to fluid motions, during cosmological phase transitions. We find that the magnetic field stays almost unchanged on large scales, while on small scales the spectrum is modified in such a way that power at small scales becomes progressively suppressed. We also show that the magnetic field generates turbulent motions in the initially turbulence-free plasma. On large scales, the slope of the resulting kinetic energy spectrum is consistent with that of white noise."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2428","kind":"arxiv","version":2},"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":"2026-05-18T03:22:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rc3iHonBpfvvQsDM5uVpiPdQ+iXI0SqyuXJtCPq0elvPWJHL3MDnxWbOP5W+oGpajyQZnD9oM8rZeNNeLQuZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:07:48.026843Z"},"content_sha256":"22a3abf3d3cde446633398d8fbb9d9a6c5ca116bae8a862d02c5ed210103fbf1","schema_version":"1.0","event_id":"sha256:22a3abf3d3cde446633398d8fbb9d9a6c5ca116bae8a862d02c5ed210103fbf1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X32AUDZZWT33LFF3YZORFBBMVE/bundle.json","state_url":"https://pith.science/pith/X32AUDZZWT33LFF3YZORFBBMVE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X32AUDZZWT33LFF3YZORFBBMVE/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":"2026-05-26T07:07:48Z","links":{"resolver":"https://pith.science/pith/X32AUDZZWT33LFF3YZORFBBMVE","bundle":"https://pith.science/pith/X32AUDZZWT33LFF3YZORFBBMVE/bundle.json","state":"https://pith.science/pith/X32AUDZZWT33LFF3YZORFBBMVE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X32AUDZZWT33LFF3YZORFBBMVE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:X32AUDZZWT33LFF3YZORFBBMVE","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":"6e18dac6ce6a20f5e0d8819ca058591bece7cd15d946e087eadd0fb0aa23dc72","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-12T02:45:19Z","title_canon_sha256":"d11f044f109903abca5b7b07de6bc0c5e546b589bab08abe4d863361b2aa2a93"},"schema_version":"1.0","source":{"id":"1206.2428","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2428","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2428v2","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2428","created_at":"2026-05-18T03:22:40Z"},{"alias_kind":"pith_short_12","alias_value":"X32AUDZZWT33","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"X32AUDZZWT33LFF3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"X32AUDZZ","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:22a3abf3d3cde446633398d8fbb9d9a6c5ca116bae8a862d02c5ed210103fbf1","target":"graph","created_at":"2026-05-18T03:22:40Z","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 study the evolution of an inflation-generated magnetic field, due to its coupling to fluid motions, during cosmological phase transitions. We find that the magnetic field stays almost unchanged on large scales, while on small scales the spectrum is modified in such a way that power at small scales becomes progressively suppressed. We also show that the magnetic field generates turbulent motions in the initially turbulence-free plasma. On large scales, the slope of the resulting kinetic energy spectrum is consistent with that of white noise.","authors_text":"Alexander G. Tevzadze, Axel Brandenburg, Bharat Ratra, Leonardo Campanelli, Tina Kahniashvili","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-12T02:45:19Z","title":"Evolution of inflation-generated magnetic field through phase transitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2428","kind":"arxiv","version":2},"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:ddbb888c633f8549b4e51f1e63bf0abe88f76a089e1ef53ec56000551153777d","target":"record","created_at":"2026-05-18T03:22:40Z","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":"6e18dac6ce6a20f5e0d8819ca058591bece7cd15d946e087eadd0fb0aa23dc72","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-12T02:45:19Z","title_canon_sha256":"d11f044f109903abca5b7b07de6bc0c5e546b589bab08abe4d863361b2aa2a93"},"schema_version":"1.0","source":{"id":"1206.2428","kind":"arxiv","version":2}},"canonical_sha256":"bef40a0f39b4f7b594bbc65d12842ca9235fa1e004a09db799dfbf41fa5de096","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bef40a0f39b4f7b594bbc65d12842ca9235fa1e004a09db799dfbf41fa5de096","first_computed_at":"2026-05-18T03:22:40.314429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:40.314429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qpsrq63U0Wdbo/QgGv3s/0cibbQFgJdRISYNxGSprD5lxV4b+fDCUkotUkunZ3c64RqPL8ut18C6N6lpOKBnDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:40.315191Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.2428","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddbb888c633f8549b4e51f1e63bf0abe88f76a089e1ef53ec56000551153777d","sha256:22a3abf3d3cde446633398d8fbb9d9a6c5ca116bae8a862d02c5ed210103fbf1"],"state_sha256":"531ef1d37753681b8e01bfd68829cd44d455bbe9f8af89eaa46c1811fdf0c44b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vnoHwT1G5edZkvPiuSo9iosQx46llV+uoSClWdHgLRlqYOBWjsNwq03Ya8xZvogUb94u1ruTudk+QU232O7RDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:07:48.030259Z","bundle_sha256":"dc9942ee1670cdf17f255d522be3ae5b19d9115f1d7ca4cf00a130aa22294dbc"}}