{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SVPIODJODMU6IRC47WTKNXFXDN","short_pith_number":"pith:SVPIODJO","canonical_record":{"source":{"id":"1301.7453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-01-30T22:36:18Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3a9511987cc050e6cc3937aa7328ec8750b9d58c3158b446030113347c54f6e5","abstract_canon_sha256":"bd89b8ef20e5cc248fb4b3b181a2c4c43619905e726ef64288213b2b39c473dc"},"schema_version":"1.0"},"canonical_sha256":"955e870d2e1b29e4445cfda6a6dcb71b786d4ab380381eac1117aa597ef125e0","source":{"kind":"arxiv","id":"1301.7453","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7453","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7453v1","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7453","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"SVPIODJODMU6","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SVPIODJODMU6IRC4","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SVPIODJO","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SVPIODJODMU6IRC47WTKNXFXDN","target":"record","payload":{"canonical_record":{"source":{"id":"1301.7453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-01-30T22:36:18Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3a9511987cc050e6cc3937aa7328ec8750b9d58c3158b446030113347c54f6e5","abstract_canon_sha256":"bd89b8ef20e5cc248fb4b3b181a2c4c43619905e726ef64288213b2b39c473dc"},"schema_version":"1.0"},"canonical_sha256":"955e870d2e1b29e4445cfda6a6dcb71b786d4ab380381eac1117aa597ef125e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:56.872204Z","signature_b64":"WFtD13mACb1t03ArIg9LaLeZPsJ3MKEii5wLlD/kf9N2ypeSUScSLYqBMv1noedvCbEcVCmIpkGxjm8AeuGABw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"955e870d2e1b29e4445cfda6a6dcb71b786d4ab380381eac1117aa597ef125e0","last_reissued_at":"2026-05-18T01:51:56.871727Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:56.871727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.7453","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":"2026-05-18T01:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g5I8ZmUpVDYC7S2FuaMYOeG3pv6pmc6ywiNolq1ytQ557w0A6TLo+jpMcyZZxyVlW3u0gQa+ouS0TNf5zHOlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T03:37:47.646944Z"},"content_sha256":"c7ce0c6136d2c7c8257dc4af41c5eab1711eeae74221e6bfaeff6d058ea7221c","schema_version":"1.0","event_id":"sha256:c7ce0c6136d2c7c8257dc4af41c5eab1711eeae74221e6bfaeff6d058ea7221c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SVPIODJODMU6IRC47WTKNXFXDN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MHD Turbulence and Cosmic Ray Reacceleration in Galaxy Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Andrey Beresnyak, Hao Xu, Hui Li, Reinhard Schlickeiser","submitted_at":"2013-01-30T22:36:18Z","abstract_excerpt":"Cosmological MHD simulations of galaxy cluster formation show a significant amplification of seed magnetic fields. We developed a novel method to decompose cluster magnetized turbulence into modes and showed that the fraction of the fast mode is fairly large, around 1/4 in terms of energy. This is larger than that was estimated before, which implies that cluster turbulence interacts with cosmic rays rather efficiently. We propose a framework to deal with electron and proton reacceleration in galaxy clusters that includes feedback on turbulence. In particular, we establish a new upper limit on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7453","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":"2026-05-18T01:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iGqgQMi11UZiIXaMheUaEeYCYPRH6YMgP7eu2LqFhgfB+vySkH2Y0K33iM65fyGw7Vk5w/w3iKhn8S9uPIHZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T03:37:47.647502Z"},"content_sha256":"d1f1f07e578d1117050f963e442ba1c601f4f60bb967b2f6d8b3fb25f09d3f5f","schema_version":"1.0","event_id":"sha256:d1f1f07e578d1117050f963e442ba1c601f4f60bb967b2f6d8b3fb25f09d3f5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SVPIODJODMU6IRC47WTKNXFXDN/bundle.json","state_url":"https://pith.science/pith/SVPIODJODMU6IRC47WTKNXFXDN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SVPIODJODMU6IRC47WTKNXFXDN/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":"2026-06-07T03:37:47Z","links":{"resolver":"https://pith.science/pith/SVPIODJODMU6IRC47WTKNXFXDN","bundle":"https://pith.science/pith/SVPIODJODMU6IRC47WTKNXFXDN/bundle.json","state":"https://pith.science/pith/SVPIODJODMU6IRC47WTKNXFXDN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SVPIODJODMU6IRC47WTKNXFXDN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SVPIODJODMU6IRC47WTKNXFXDN","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":"bd89b8ef20e5cc248fb4b3b181a2c4c43619905e726ef64288213b2b39c473dc","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-01-30T22:36:18Z","title_canon_sha256":"3a9511987cc050e6cc3937aa7328ec8750b9d58c3158b446030113347c54f6e5"},"schema_version":"1.0","source":{"id":"1301.7453","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7453","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7453v1","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7453","created_at":"2026-05-18T01:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"SVPIODJODMU6","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SVPIODJODMU6IRC4","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SVPIODJO","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:d1f1f07e578d1117050f963e442ba1c601f4f60bb967b2f6d8b3fb25f09d3f5f","target":"graph","created_at":"2026-05-18T01:51:56Z","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":"Cosmological MHD simulations of galaxy cluster formation show a significant amplification of seed magnetic fields. We developed a novel method to decompose cluster magnetized turbulence into modes and showed that the fraction of the fast mode is fairly large, around 1/4 in terms of energy. This is larger than that was estimated before, which implies that cluster turbulence interacts with cosmic rays rather efficiently. We propose a framework to deal with electron and proton reacceleration in galaxy clusters that includes feedback on turbulence. In particular, we establish a new upper limit on ","authors_text":"Andrey Beresnyak, Hao Xu, Hui Li, Reinhard Schlickeiser","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-01-30T22:36:18Z","title":"MHD Turbulence and Cosmic Ray Reacceleration in Galaxy Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7453","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:c7ce0c6136d2c7c8257dc4af41c5eab1711eeae74221e6bfaeff6d058ea7221c","target":"record","created_at":"2026-05-18T01:51:56Z","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":"bd89b8ef20e5cc248fb4b3b181a2c4c43619905e726ef64288213b2b39c473dc","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-01-30T22:36:18Z","title_canon_sha256":"3a9511987cc050e6cc3937aa7328ec8750b9d58c3158b446030113347c54f6e5"},"schema_version":"1.0","source":{"id":"1301.7453","kind":"arxiv","version":1}},"canonical_sha256":"955e870d2e1b29e4445cfda6a6dcb71b786d4ab380381eac1117aa597ef125e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"955e870d2e1b29e4445cfda6a6dcb71b786d4ab380381eac1117aa597ef125e0","first_computed_at":"2026-05-18T01:51:56.871727Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:56.871727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WFtD13mACb1t03ArIg9LaLeZPsJ3MKEii5wLlD/kf9N2ypeSUScSLYqBMv1noedvCbEcVCmIpkGxjm8AeuGABw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:56.872204Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.7453","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7ce0c6136d2c7c8257dc4af41c5eab1711eeae74221e6bfaeff6d058ea7221c","sha256:d1f1f07e578d1117050f963e442ba1c601f4f60bb967b2f6d8b3fb25f09d3f5f"],"state_sha256":"85152fccea745748e3fe395bed28fd2d5d2fb580cb3040c8c621ad1b7e5b46aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IBzI/cqwhuJDHeFNsrCSpGM42KjILOandYsn9QFCMKdBF4pb63JWX7PtP1RCfLrdLCtwChzWxupT7obPb9F0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T03:37:47.650500Z","bundle_sha256":"d6335061f826d451c83bfd27c33e4a3bdcc5097bcef5e66c20be00bf59d2d037"}}