{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:DUJGLHR4B36UR5OVPVU47R72Z4","short_pith_number":"pith:DUJGLHR4","canonical_record":{"source":{"id":"1401.6107","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-23T18:52:45Z","cross_cats_sorted":[],"title_canon_sha256":"45478c3823b4a1739c6bd8e54545d8d7d62be729babca4fb1ee2b2aa23863753","abstract_canon_sha256":"5e4e506900cde1d5745a490d7e1093dcd545c90280f51b128c15ce3b88204c46"},"schema_version":"1.0"},"canonical_sha256":"1d12659e3c0efd48f5d57d69cfc7facf2c03e2bd6c0162c4f8cffe0bc0329e27","source":{"kind":"arxiv","id":"1401.6107","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6107","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6107v3","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6107","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"DUJGLHR4B36U","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DUJGLHR4B36UR5OV","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DUJGLHR4","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:DUJGLHR4B36UR5OVPVU47R72Z4","target":"record","payload":{"canonical_record":{"source":{"id":"1401.6107","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-23T18:52:45Z","cross_cats_sorted":[],"title_canon_sha256":"45478c3823b4a1739c6bd8e54545d8d7d62be729babca4fb1ee2b2aa23863753","abstract_canon_sha256":"5e4e506900cde1d5745a490d7e1093dcd545c90280f51b128c15ce3b88204c46"},"schema_version":"1.0"},"canonical_sha256":"1d12659e3c0efd48f5d57d69cfc7facf2c03e2bd6c0162c4f8cffe0bc0329e27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:59.498916Z","signature_b64":"9DA8bQE8ZOsLDLM7lMJMQQ5UY9CPVIX7/2HhPBr/jtApvAuheMqcFFhyAhlezKaoG7c0AfBP8u+stAIfPykFAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d12659e3c0efd48f5d57d69cfc7facf2c03e2bd6c0162c4f8cffe0bc0329e27","last_reissued_at":"2026-05-18T02:38:59.498437Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:59.498437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.6107","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":"2026-05-18T02:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JWXleEdL+mRRMDCYhzgL78mcRF4gY6UM9TWK1TKoWOMhpXtWNw9U2tIPYI5r3X7qvblCF13bgtWbchReT8/vBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:25:37.042475Z"},"content_sha256":"a3c3993190bf54fc5820f66dd87188db214feb1f934bd7fbf7d51757c1c048b1","schema_version":"1.0","event_id":"sha256:a3c3993190bf54fc5820f66dd87188db214feb1f934bd7fbf7d51757c1c048b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:DUJGLHR4B36UR5OVPVU47R72Z4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic flux concentrations from dynamo-generated fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Axel Brandenburg, Igor Rogachevskii, Illa R. Losada, Nathan Kleeorin, Sarah Jabbari","submitted_at":"2014-01-23T18:52:45Z","abstract_excerpt":"The mean-field theory of magnetized stellar convection gives rise to the two possibility of distinct instabilities: the large-scale dynamo instability, operating in the bulk of the convection zone, and a negative effective magnetic pressure instability (NEMPI) operating in the strongly stratified surface layers. The latter might be important in connection with magnetic spot formation, but the growth rate of NEMPI is suppressed with increasing rotation rates, although recent direct numerical simulations (DNS) have shown a subsequent increase in the growth rate. We examine quantitatively whether"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6107","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":""},"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":"2026-05-18T02:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QCbwDa10ZFxzaSwpQb3tZpiKmMueyo+WP9MVKyASNBkPLr+Frn1Neml3riRN60eIJSjJLJu5qMjnwGAd3I1BCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:25:37.043229Z"},"content_sha256":"fb517cc42445f5fe29a393ea164cefe073f951b03ef10110e66067c4acd90428","schema_version":"1.0","event_id":"sha256:fb517cc42445f5fe29a393ea164cefe073f951b03ef10110e66067c4acd90428"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUJGLHR4B36UR5OVPVU47R72Z4/bundle.json","state_url":"https://pith.science/pith/DUJGLHR4B36UR5OVPVU47R72Z4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUJGLHR4B36UR5OVPVU47R72Z4/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":"2026-05-26T06:25:37Z","links":{"resolver":"https://pith.science/pith/DUJGLHR4B36UR5OVPVU47R72Z4","bundle":"https://pith.science/pith/DUJGLHR4B36UR5OVPVU47R72Z4/bundle.json","state":"https://pith.science/pith/DUJGLHR4B36UR5OVPVU47R72Z4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUJGLHR4B36UR5OVPVU47R72Z4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DUJGLHR4B36UR5OVPVU47R72Z4","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":"5e4e506900cde1d5745a490d7e1093dcd545c90280f51b128c15ce3b88204c46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-23T18:52:45Z","title_canon_sha256":"45478c3823b4a1739c6bd8e54545d8d7d62be729babca4fb1ee2b2aa23863753"},"schema_version":"1.0","source":{"id":"1401.6107","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6107","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6107v3","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6107","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"DUJGLHR4B36U","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DUJGLHR4B36UR5OV","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DUJGLHR4","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:fb517cc42445f5fe29a393ea164cefe073f951b03ef10110e66067c4acd90428","target":"graph","created_at":"2026-05-18T02:38:59Z","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":"The mean-field theory of magnetized stellar convection gives rise to the two possibility of distinct instabilities: the large-scale dynamo instability, operating in the bulk of the convection zone, and a negative effective magnetic pressure instability (NEMPI) operating in the strongly stratified surface layers. The latter might be important in connection with magnetic spot formation, but the growth rate of NEMPI is suppressed with increasing rotation rates, although recent direct numerical simulations (DNS) have shown a subsequent increase in the growth rate. We examine quantitatively whether","authors_text":"Axel Brandenburg, Igor Rogachevskii, Illa R. Losada, Nathan Kleeorin, Sarah Jabbari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-23T18:52:45Z","title":"Magnetic flux concentrations from dynamo-generated fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6107","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:a3c3993190bf54fc5820f66dd87188db214feb1f934bd7fbf7d51757c1c048b1","target":"record","created_at":"2026-05-18T02:38:59Z","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":"5e4e506900cde1d5745a490d7e1093dcd545c90280f51b128c15ce3b88204c46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-23T18:52:45Z","title_canon_sha256":"45478c3823b4a1739c6bd8e54545d8d7d62be729babca4fb1ee2b2aa23863753"},"schema_version":"1.0","source":{"id":"1401.6107","kind":"arxiv","version":3}},"canonical_sha256":"1d12659e3c0efd48f5d57d69cfc7facf2c03e2bd6c0162c4f8cffe0bc0329e27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d12659e3c0efd48f5d57d69cfc7facf2c03e2bd6c0162c4f8cffe0bc0329e27","first_computed_at":"2026-05-18T02:38:59.498437Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:59.498437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9DA8bQE8ZOsLDLM7lMJMQQ5UY9CPVIX7/2HhPBr/jtApvAuheMqcFFhyAhlezKaoG7c0AfBP8u+stAIfPykFAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:59.498916Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6107","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3c3993190bf54fc5820f66dd87188db214feb1f934bd7fbf7d51757c1c048b1","sha256:fb517cc42445f5fe29a393ea164cefe073f951b03ef10110e66067c4acd90428"],"state_sha256":"1336d68ff50addc08527d1e32e24c15a318159aabc8288055b6c18bc9736b0f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Xitmk8+G91lJK2c5Vzm3CkpDf287N8kVmItWAiy9I3qTTkFhiqYdj8ow1RBVcHD0q/1b5Ed7yY/B076ByjxBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:25:37.047116Z","bundle_sha256":"0fe8ac67fbe8d709d8e4075fc4a8210d340106a0eaa50e3c1c5bd737acc70dfe"}}