{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:Z5PKWJHOL5VUQCCTSSGVODUA64","short_pith_number":"pith:Z5PKWJHO","canonical_record":{"source":{"id":"1606.04078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-06-13T19:31:28Z","cross_cats_sorted":[],"title_canon_sha256":"def650161647ef02f74fea8e2e7a3d8d10b8ccc68dba6a17832682918ebaebe3","abstract_canon_sha256":"073e4b560af133d666ffacee01bed9a422e61d6d1b2c100a065e59954adb8e0c"},"schema_version":"1.0"},"canonical_sha256":"cf5eab24ee5f6b480853948d570e80f70528998c3dd8e090340f61f8bba76bda","source":{"kind":"arxiv","id":"1606.04078","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.04078","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"arxiv_version","alias_value":"1606.04078v1","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04078","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"pith_short_12","alias_value":"Z5PKWJHOL5VU","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z5PKWJHOL5VUQCCT","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z5PKWJHO","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:Z5PKWJHOL5VUQCCTSSGVODUA64","target":"record","payload":{"canonical_record":{"source":{"id":"1606.04078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-06-13T19:31:28Z","cross_cats_sorted":[],"title_canon_sha256":"def650161647ef02f74fea8e2e7a3d8d10b8ccc68dba6a17832682918ebaebe3","abstract_canon_sha256":"073e4b560af133d666ffacee01bed9a422e61d6d1b2c100a065e59954adb8e0c"},"schema_version":"1.0"},"canonical_sha256":"cf5eab24ee5f6b480853948d570e80f70528998c3dd8e090340f61f8bba76bda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:32.249498Z","signature_b64":"aFIJUHwHENGdkYqJY1vsWSYGUPsGaSMUOIv3hgTjA8OyMPWUCLFo4bcAGJ6ObrVsmydHpVlnbjtNsS3DXqqlDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf5eab24ee5f6b480853948d570e80f70528998c3dd8e090340f61f8bba76bda","last_reissued_at":"2026-05-18T01:12:32.249142Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:32.249142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.04078","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":"2026-05-18T01:12:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AO3mWZAjCFNw5CZUqXOR7vGOj2RoSDVLSERSdnIsw9tPAWGE+t4z7Do+3/gK6Br3vHFRJwuAJhJEnEqPotSHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T18:22:26.299847Z"},"content_sha256":"d31701338324c1b344b94f2f68eed4713e6e1bb66980360872ddd7f4d4d92a46","schema_version":"1.0","event_id":"sha256:d31701338324c1b344b94f2f68eed4713e6e1bb66980360872ddd7f4d4d92a46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:Z5PKWJHOL5VUQCCTSSGVODUA64","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamo generated by the centrifugal instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Christophe Gissinger, Florence Marcotte","submitted_at":"2016-06-13T19:31:28Z","abstract_excerpt":"We present a new scenario for magnetic field amplification where an electrically conducting fluid is confined in a differentially rotating, spherical shell with thin aspect-ratio. When the angular momentum sufficiently decreases outwards, an hydrodynamic instability develops in the equatorial region, characterised by pairs of counter-rotating toroidal vortices similar to those observed in cylindrical Couette flow. These spherical Taylor-Couette vortices generate a subcritical dynamo magnetic field dominated by non-axisymmetric components. We show that the critical magnetic Reynolds number seem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04078","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":"2026-05-18T01:12:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"teFbD60v4X3WgP4ljtxVwqSxbyfZFXyViiOCHfhlsMblHhQp9Lw79vzFfd9s0XAr0dMLAhWjRMTjo7dk2KzXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T18:22:26.300185Z"},"content_sha256":"dc23614b9f6069ee4ffdcc678ae2cdd7ea5e3343da8bbea8b91b3230a3bd4e1d","schema_version":"1.0","event_id":"sha256:dc23614b9f6069ee4ffdcc678ae2cdd7ea5e3343da8bbea8b91b3230a3bd4e1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/bundle.json","state_url":"https://pith.science/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/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":"2026-07-01T18:22:26Z","links":{"resolver":"https://pith.science/pith/Z5PKWJHOL5VUQCCTSSGVODUA64","bundle":"https://pith.science/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/bundle.json","state":"https://pith.science/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z5PKWJHOL5VUQCCTSSGVODUA64/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:Z5PKWJHOL5VUQCCTSSGVODUA64","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":"073e4b560af133d666ffacee01bed9a422e61d6d1b2c100a065e59954adb8e0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-06-13T19:31:28Z","title_canon_sha256":"def650161647ef02f74fea8e2e7a3d8d10b8ccc68dba6a17832682918ebaebe3"},"schema_version":"1.0","source":{"id":"1606.04078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.04078","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"arxiv_version","alias_value":"1606.04078v1","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04078","created_at":"2026-05-18T01:12:32Z"},{"alias_kind":"pith_short_12","alias_value":"Z5PKWJHOL5VU","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z5PKWJHOL5VUQCCT","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z5PKWJHO","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:dc23614b9f6069ee4ffdcc678ae2cdd7ea5e3343da8bbea8b91b3230a3bd4e1d","target":"graph","created_at":"2026-05-18T01:12:32Z","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 present a new scenario for magnetic field amplification where an electrically conducting fluid is confined in a differentially rotating, spherical shell with thin aspect-ratio. When the angular momentum sufficiently decreases outwards, an hydrodynamic instability develops in the equatorial region, characterised by pairs of counter-rotating toroidal vortices similar to those observed in cylindrical Couette flow. These spherical Taylor-Couette vortices generate a subcritical dynamo magnetic field dominated by non-axisymmetric components. We show that the critical magnetic Reynolds number seem","authors_text":"Christophe Gissinger, Florence Marcotte","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-06-13T19:31:28Z","title":"Dynamo generated by the centrifugal instability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04078","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:d31701338324c1b344b94f2f68eed4713e6e1bb66980360872ddd7f4d4d92a46","target":"record","created_at":"2026-05-18T01:12:32Z","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":"073e4b560af133d666ffacee01bed9a422e61d6d1b2c100a065e59954adb8e0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-06-13T19:31:28Z","title_canon_sha256":"def650161647ef02f74fea8e2e7a3d8d10b8ccc68dba6a17832682918ebaebe3"},"schema_version":"1.0","source":{"id":"1606.04078","kind":"arxiv","version":1}},"canonical_sha256":"cf5eab24ee5f6b480853948d570e80f70528998c3dd8e090340f61f8bba76bda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf5eab24ee5f6b480853948d570e80f70528998c3dd8e090340f61f8bba76bda","first_computed_at":"2026-05-18T01:12:32.249142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:32.249142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aFIJUHwHENGdkYqJY1vsWSYGUPsGaSMUOIv3hgTjA8OyMPWUCLFo4bcAGJ6ObrVsmydHpVlnbjtNsS3DXqqlDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:32.249498Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.04078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d31701338324c1b344b94f2f68eed4713e6e1bb66980360872ddd7f4d4d92a46","sha256:dc23614b9f6069ee4ffdcc678ae2cdd7ea5e3343da8bbea8b91b3230a3bd4e1d"],"state_sha256":"d90ac0a21570927f969f18c959fc4a28732078803c4e2ae0fcdfef33c5c6e0ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j14uN6aDZlTfWcwKCgdPmhdpu71exlvftFA9rZefAi5GQHZnsh/btmggnx1DR6r9CnnLK3EnsITpEOWJygRXBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T18:22:26.302269Z","bundle_sha256":"99f47a450e69a25d08dad3c6390b29137cd8e36d5d40fcc147bae730e03820c4"}}