{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ZGPDINSHP7IOQIEZX2CCE4UGEK","short_pith_number":"pith:ZGPDINSH","canonical_record":{"source":{"id":"1407.6855","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-07-25T11:31:24Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"78ecaf36bd19f71da7ba15f81ca943805bb89f0079d74bc4b01b516c0b69bf46","abstract_canon_sha256":"053064db30c121887c061c3eda4d1fcde37663027f3e2d4d5c7f7cc74b2b3a96"},"schema_version":"1.0"},"canonical_sha256":"c99e3436477fd0e82099be8422728622accee531057412ee70577b7f2c88777b","source":{"kind":"arxiv","id":"1407.6855","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6855","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6855v2","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6855","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZGPDINSHP7IO","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZGPDINSHP7IOQIEZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZGPDINSH","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ZGPDINSHP7IOQIEZX2CCE4UGEK","target":"record","payload":{"canonical_record":{"source":{"id":"1407.6855","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-07-25T11:31:24Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"78ecaf36bd19f71da7ba15f81ca943805bb89f0079d74bc4b01b516c0b69bf46","abstract_canon_sha256":"053064db30c121887c061c3eda4d1fcde37663027f3e2d4d5c7f7cc74b2b3a96"},"schema_version":"1.0"},"canonical_sha256":"c99e3436477fd0e82099be8422728622accee531057412ee70577b7f2c88777b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:54.237943Z","signature_b64":"1T44FU5xY86nPaDrdEPHL/7DfDxGxoZb4lSdFOsIbruyDaV4PiqOWNHEOg8uAd3YIlAbXKsFS8fEf1uGH3V3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c99e3436477fd0e82099be8422728622accee531057412ee70577b7f2c88777b","last_reissued_at":"2026-05-18T01:38:54.237224Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:54.237224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.6855","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":"2026-05-18T01:38:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zIoGHYieWmRWi91eY8nS9NbHzPS2AL0CYUasZtRRgDL6905JKHY12hNm0jgauSN1+j+bB7uOvS46Ww4pjYaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:35:45.594587Z"},"content_sha256":"3e238d6cabc88c5bbf49459c51fbe121eb0c0d4c82c8560c0dbd66e2e4abde7b","schema_version":"1.0","event_id":"sha256:3e238d6cabc88c5bbf49459c51fbe121eb0c0d4c82c8560c0dbd66e2e4abde7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ZGPDINSHP7IOQIEZX2CCE4UGEK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy transfers in dynamos with small magnetic Prandtl numbers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Mahendra K. Verma, Ravi Samtaney, Rohit Kumar","submitted_at":"2014-07-25T11:31:24Z","abstract_excerpt":"We perform numerical simulation of dynamo with magnetic Prandtl number $\\mathrm{Pm} =0.2$ on $1024^3$ grid, and compute the energy fluxes and the shell-to-shell energy transfers. These computations indicate that the magnetic energy growth takes place mainly due to the energy transfers from large-scale velocity field to large-scale magnetic field and that the magnetic energy flux is forward. The steady-state magnetic energy is much smaller than the kinetic energy, rather than equipartition; this is because the magnetic Reynolds number is near the dynamo transition regime. We also contrast our r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6855","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":"2026-05-18T01:38:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"azNVcWPv+hf0RObQS2hQEV/t1sOjoTkYbBFfG1ZXSWjPknJFMCd7ye4Z+c75i/pbh7+MiXgYrL/iaOaQ9nR9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:35:45.594946Z"},"content_sha256":"a18bfaba6e064b65b477e93abd54f753b37e839d44ff161c32035d55d56a77ed","schema_version":"1.0","event_id":"sha256:a18bfaba6e064b65b477e93abd54f753b37e839d44ff161c32035d55d56a77ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/bundle.json","state_url":"https://pith.science/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/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":"2026-06-03T18:35:45Z","links":{"resolver":"https://pith.science/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK","bundle":"https://pith.science/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/bundle.json","state":"https://pith.science/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZGPDINSHP7IOQIEZX2CCE4UGEK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZGPDINSHP7IOQIEZX2CCE4UGEK","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":"053064db30c121887c061c3eda4d1fcde37663027f3e2d4d5c7f7cc74b2b3a96","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-07-25T11:31:24Z","title_canon_sha256":"78ecaf36bd19f71da7ba15f81ca943805bb89f0079d74bc4b01b516c0b69bf46"},"schema_version":"1.0","source":{"id":"1407.6855","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6855","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6855v2","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6855","created_at":"2026-05-18T01:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZGPDINSHP7IO","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZGPDINSHP7IOQIEZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZGPDINSH","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:a18bfaba6e064b65b477e93abd54f753b37e839d44ff161c32035d55d56a77ed","target":"graph","created_at":"2026-05-18T01:38:54Z","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 perform numerical simulation of dynamo with magnetic Prandtl number $\\mathrm{Pm} =0.2$ on $1024^3$ grid, and compute the energy fluxes and the shell-to-shell energy transfers. These computations indicate that the magnetic energy growth takes place mainly due to the energy transfers from large-scale velocity field to large-scale magnetic field and that the magnetic energy flux is forward. The steady-state magnetic energy is much smaller than the kinetic energy, rather than equipartition; this is because the magnetic Reynolds number is near the dynamo transition regime. We also contrast our r","authors_text":"Mahendra K. Verma, Ravi Samtaney, Rohit Kumar","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-07-25T11:31:24Z","title":"Energy transfers in dynamos with small magnetic Prandtl numbers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6855","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":"sha256:3e238d6cabc88c5bbf49459c51fbe121eb0c0d4c82c8560c0dbd66e2e4abde7b","target":"record","created_at":"2026-05-18T01:38:54Z","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":"053064db30c121887c061c3eda4d1fcde37663027f3e2d4d5c7f7cc74b2b3a96","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-07-25T11:31:24Z","title_canon_sha256":"78ecaf36bd19f71da7ba15f81ca943805bb89f0079d74bc4b01b516c0b69bf46"},"schema_version":"1.0","source":{"id":"1407.6855","kind":"arxiv","version":2}},"canonical_sha256":"c99e3436477fd0e82099be8422728622accee531057412ee70577b7f2c88777b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c99e3436477fd0e82099be8422728622accee531057412ee70577b7f2c88777b","first_computed_at":"2026-05-18T01:38:54.237224Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:54.237224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1T44FU5xY86nPaDrdEPHL/7DfDxGxoZb4lSdFOsIbruyDaV4PiqOWNHEOg8uAd3YIlAbXKsFS8fEf1uGH3V3BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:54.237943Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.6855","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e238d6cabc88c5bbf49459c51fbe121eb0c0d4c82c8560c0dbd66e2e4abde7b","sha256:a18bfaba6e064b65b477e93abd54f753b37e839d44ff161c32035d55d56a77ed"],"state_sha256":"7fbb896a9acce587fc955c8c9ba71f42723ac105e425b501e8c4376a7438e2e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"USk2O9cK2uax40tIChHObk/W3xMZsCbljy2F9kII8m0GELOa4GnC3T1fb6qIyslqTxhc7qbYpJrTQCL8IiZNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:35:45.596942Z","bundle_sha256":"3a328f3d1feaeddb5badb2f7c7983f514f77aec7eb38916d10fe3e31e76e2d01"}}