{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EWH5GBA4PARYLV6G2GSBRLEOI7","short_pith_number":"pith:EWH5GBA4","canonical_record":{"source":{"id":"1307.4603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-17T12:53:49Z","cross_cats_sorted":["physics.flu-dyn","physics.geo-ph"],"title_canon_sha256":"2a4f0012514e69740638f5b9789294e0a8e8eedb5ee2ca365739e28d82eae093","abstract_canon_sha256":"a73d123e415085b3c46af92d366400ccffb19b13f992398c3a48c41def82792d"},"schema_version":"1.0"},"canonical_sha256":"258fd3041c782385d7c6d1a418ac8e47c4291b7e1e31a8f626e6d6f98b3c8bdf","source":{"kind":"arxiv","id":"1307.4603","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4603","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4603v2","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4603","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"pith_short_12","alias_value":"EWH5GBA4PARY","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EWH5GBA4PARYLV6G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EWH5GBA4","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EWH5GBA4PARYLV6G2GSBRLEOI7","target":"record","payload":{"canonical_record":{"source":{"id":"1307.4603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-17T12:53:49Z","cross_cats_sorted":["physics.flu-dyn","physics.geo-ph"],"title_canon_sha256":"2a4f0012514e69740638f5b9789294e0a8e8eedb5ee2ca365739e28d82eae093","abstract_canon_sha256":"a73d123e415085b3c46af92d366400ccffb19b13f992398c3a48c41def82792d"},"schema_version":"1.0"},"canonical_sha256":"258fd3041c782385d7c6d1a418ac8e47c4291b7e1e31a8f626e6d6f98b3c8bdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:48.029293Z","signature_b64":"/s0ki73cvmzng7UchXiUtvFwsK5MBfkNjKu46tPSENmLG5JqHfvCbjOGLxsVSU8ZXUm64rQ4J+G6Dewcf4qhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"258fd3041c782385d7c6d1a418ac8e47c4291b7e1e31a8f626e6d6f98b3c8bdf","last_reissued_at":"2026-05-18T03:12:48.028727Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:48.028727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.4603","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":"2026-05-18T03:12:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHuatC7Bef47JmTE/zK5A12NFP/I28TjjQen4W25nZ4lNn9oQ1Ata1iKCzDkFa6JqbbJXV/fU6TszcG6zpN2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:39:30.720701Z"},"content_sha256":"e1b86fcbb2f5ae1c067cf1bcaa26635d56b506d042b20bd33df06fdf962e2719","schema_version":"1.0","event_id":"sha256:e1b86fcbb2f5ae1c067cf1bcaa26635d56b506d042b20bd33df06fdf962e2719"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EWH5GBA4PARYLV6G2GSBRLEOI7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of helicities for the dynamics of turbulent magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn","physics.geo-ph"],"primary_cat":"astro-ph.SR","authors_text":"Shiva Kumar. Malapaka, Wolf-Christian M\\\"uller","submitted_at":"2013-07-17T12:53:49Z","abstract_excerpt":"Investigations of the inverse cascade of magnetic helicity are conducted with pseudospectral, three-dimensional direct numerical simulations of forced and decaying incompressible magnetohydrodynamic turbulence. The high-resolution simulations which allow for the necessary scale-separation show that the observed self-similar scaling behavior of magnetic helicity and related quantities can only be understood by taking the full nonlinear interplay of velocity and magnetic fluctuations into account. With the help of the eddy-damped quasi-normal Markovian approximation a probably universal relation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4603","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":"2026-05-18T03:12:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4GiFJlV+9TtbFLoJ7Jb717HxJaNRj2V16M5dFYHOTGMnuzBbKypINF+TCn2R6ThET2db//i8av7g868x2hfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:39:30.721400Z"},"content_sha256":"9116caf605ce065cf643331b50ffd3694c298da775a6272de7be1bd193c8ab3e","schema_version":"1.0","event_id":"sha256:9116caf605ce065cf643331b50ffd3694c298da775a6272de7be1bd193c8ab3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/bundle.json","state_url":"https://pith.science/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/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":"2026-05-28T23:39:30Z","links":{"resolver":"https://pith.science/pith/EWH5GBA4PARYLV6G2GSBRLEOI7","bundle":"https://pith.science/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/bundle.json","state":"https://pith.science/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EWH5GBA4PARYLV6G2GSBRLEOI7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EWH5GBA4PARYLV6G2GSBRLEOI7","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":"a73d123e415085b3c46af92d366400ccffb19b13f992398c3a48c41def82792d","cross_cats_sorted":["physics.flu-dyn","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-17T12:53:49Z","title_canon_sha256":"2a4f0012514e69740638f5b9789294e0a8e8eedb5ee2ca365739e28d82eae093"},"schema_version":"1.0","source":{"id":"1307.4603","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4603","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4603v2","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4603","created_at":"2026-05-18T03:12:48Z"},{"alias_kind":"pith_short_12","alias_value":"EWH5GBA4PARY","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EWH5GBA4PARYLV6G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EWH5GBA4","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:9116caf605ce065cf643331b50ffd3694c298da775a6272de7be1bd193c8ab3e","target":"graph","created_at":"2026-05-18T03:12:48Z","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":"Investigations of the inverse cascade of magnetic helicity are conducted with pseudospectral, three-dimensional direct numerical simulations of forced and decaying incompressible magnetohydrodynamic turbulence. The high-resolution simulations which allow for the necessary scale-separation show that the observed self-similar scaling behavior of magnetic helicity and related quantities can only be understood by taking the full nonlinear interplay of velocity and magnetic fluctuations into account. With the help of the eddy-damped quasi-normal Markovian approximation a probably universal relation","authors_text":"Shiva Kumar. Malapaka, Wolf-Christian M\\\"uller","cross_cats":["physics.flu-dyn","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-17T12:53:49Z","title":"Role of helicities for the dynamics of turbulent magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4603","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:e1b86fcbb2f5ae1c067cf1bcaa26635d56b506d042b20bd33df06fdf962e2719","target":"record","created_at":"2026-05-18T03:12:48Z","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":"a73d123e415085b3c46af92d366400ccffb19b13f992398c3a48c41def82792d","cross_cats_sorted":["physics.flu-dyn","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-17T12:53:49Z","title_canon_sha256":"2a4f0012514e69740638f5b9789294e0a8e8eedb5ee2ca365739e28d82eae093"},"schema_version":"1.0","source":{"id":"1307.4603","kind":"arxiv","version":2}},"canonical_sha256":"258fd3041c782385d7c6d1a418ac8e47c4291b7e1e31a8f626e6d6f98b3c8bdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"258fd3041c782385d7c6d1a418ac8e47c4291b7e1e31a8f626e6d6f98b3c8bdf","first_computed_at":"2026-05-18T03:12:48.028727Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:12:48.028727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/s0ki73cvmzng7UchXiUtvFwsK5MBfkNjKu46tPSENmLG5JqHfvCbjOGLxsVSU8ZXUm64rQ4J+G6Dewcf4qhDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:12:48.029293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.4603","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1b86fcbb2f5ae1c067cf1bcaa26635d56b506d042b20bd33df06fdf962e2719","sha256:9116caf605ce065cf643331b50ffd3694c298da775a6272de7be1bd193c8ab3e"],"state_sha256":"848993666942c51d8179ac415fc061419c9e286ca7d98dcd825dcd0ba11f0918"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VI0okMkQYeyWGHtxGEX5GQIO+SrbqRH+DneMQkgzmWgpktL6F+Y9Fe7L55Y5iLrZWPORz2j0/et7NrEJelNbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:39:30.725063Z","bundle_sha256":"73cb5dfb0a3e04edac73eb7db5d005dbcbffb0b43437e2ef62f6802573275368"}}