{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XBGJIU3AV66X55VJGWABCLRPK2","short_pith_number":"pith:XBGJIU3A","canonical_record":{"source":{"id":"1701.01299","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-01-05T12:48:36Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5e75768144e331f396ee0c190249ca9420c3d2fa2fe23dbe2ab513d7d0df4421","abstract_canon_sha256":"05a793c410604440d03e5b8123933e3ef89b2a7e4d94f56d49bd16dfae88a0b1"},"schema_version":"1.0"},"canonical_sha256":"b84c945360afbd7ef6a93580112e2f56aa68521c3e91f92ecde63169076612dc","source":{"kind":"arxiv","id":"1701.01299","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01299","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01299v3","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01299","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"XBGJIU3AV66X","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XBGJIU3AV66X55VJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XBGJIU3A","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XBGJIU3AV66X55VJGWABCLRPK2","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01299","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-01-05T12:48:36Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5e75768144e331f396ee0c190249ca9420c3d2fa2fe23dbe2ab513d7d0df4421","abstract_canon_sha256":"05a793c410604440d03e5b8123933e3ef89b2a7e4d94f56d49bd16dfae88a0b1"},"schema_version":"1.0"},"canonical_sha256":"b84c945360afbd7ef6a93580112e2f56aa68521c3e91f92ecde63169076612dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:21.846331Z","signature_b64":"3vx1Mjiw2xMhNbdkGw1Fz8tzmTq91cz/lyu4T5BKaB6pbKDNOt3xE37uplSA+ATo8pFAui+R54t9/WUP8gX5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b84c945360afbd7ef6a93580112e2f56aa68521c3e91f92ecde63169076612dc","last_reissued_at":"2026-05-18T00:33:21.845867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:21.845867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01299","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":"2026-05-18T00:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iHSI9T9gtLQisSZ1SYDPf1pAhKwmsMw6jOaifq/G42rVNlIgiASLLbtVm7BZOFj5Ay0jTwsMKCI/0wfvRmYkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:20:11.559395Z"},"content_sha256":"7bf136eb332072e8745c53f6f54724d46d3575d36e9bd0c97a0f78e7a7d985bf","schema_version":"1.0","event_id":"sha256:7bf136eb332072e8745c53f6f54724d46d3575d36e9bd0c97a0f78e7a7d985bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XBGJIU3AV66X55VJGWABCLRPK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Turbulent geodynamo simulations: a leap towards Earth's core","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"physics.geo-ph","authors_text":"Alexandre Fournier (IPGP), Dominique Jault, Henri-Claude Nataf, Nathana\\\"el Schaeffer","submitted_at":"2017-01-05T12:48:36Z","abstract_excerpt":"We present an attempt to reach realistic turbulent regime in direct numerical simulations of the geodynamo. We rely on a sequence of three convection-driven simulations in a rapidly rotating spherical shell. The most extreme case reaches towards the Earth's core regime by lowering viscosity (magnetic Prandtl number Pm=0.1) while maintaining vigorous convection (magnetic Reynolds number Rm>500) and rapid rotation (Ekman number E=1e-7), at the limit of what is feasible on today's supercomputers. A detailed and comprehensive analysis highlights several key features matching geomagnetic observatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01299","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":"2026-05-18T00:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b+aQG5yBkzuWgx4K0b9lWMB5e7aCTl6pZzAqnC/WhsJeYQ8SGNpagVkPIIQg/B0zEZqUP5tJ0ueoHjzOtWYuAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:20:11.560064Z"},"content_sha256":"9537064ebb3517ac016cfb622dbaa9ffdcbed210bef6f37d7a5da99e69eb1ad6","schema_version":"1.0","event_id":"sha256:9537064ebb3517ac016cfb622dbaa9ffdcbed210bef6f37d7a5da99e69eb1ad6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBGJIU3AV66X55VJGWABCLRPK2/bundle.json","state_url":"https://pith.science/pith/XBGJIU3AV66X55VJGWABCLRPK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBGJIU3AV66X55VJGWABCLRPK2/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":"2026-05-25T23:20:11Z","links":{"resolver":"https://pith.science/pith/XBGJIU3AV66X55VJGWABCLRPK2","bundle":"https://pith.science/pith/XBGJIU3AV66X55VJGWABCLRPK2/bundle.json","state":"https://pith.science/pith/XBGJIU3AV66X55VJGWABCLRPK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBGJIU3AV66X55VJGWABCLRPK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XBGJIU3AV66X55VJGWABCLRPK2","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":"05a793c410604440d03e5b8123933e3ef89b2a7e4d94f56d49bd16dfae88a0b1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-01-05T12:48:36Z","title_canon_sha256":"5e75768144e331f396ee0c190249ca9420c3d2fa2fe23dbe2ab513d7d0df4421"},"schema_version":"1.0","source":{"id":"1701.01299","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01299","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01299v3","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01299","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"XBGJIU3AV66X","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XBGJIU3AV66X55VJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XBGJIU3A","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:9537064ebb3517ac016cfb622dbaa9ffdcbed210bef6f37d7a5da99e69eb1ad6","target":"graph","created_at":"2026-05-18T00:33:21Z","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 an attempt to reach realistic turbulent regime in direct numerical simulations of the geodynamo. We rely on a sequence of three convection-driven simulations in a rapidly rotating spherical shell. The most extreme case reaches towards the Earth's core regime by lowering viscosity (magnetic Prandtl number Pm=0.1) while maintaining vigorous convection (magnetic Reynolds number Rm>500) and rapid rotation (Ekman number E=1e-7), at the limit of what is feasible on today's supercomputers. A detailed and comprehensive analysis highlights several key features matching geomagnetic observatio","authors_text":"Alexandre Fournier (IPGP), Dominique Jault, Henri-Claude Nataf, Nathana\\\"el Schaeffer","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-01-05T12:48:36Z","title":"Turbulent geodynamo simulations: a leap towards Earth's core"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01299","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":"sha256:7bf136eb332072e8745c53f6f54724d46d3575d36e9bd0c97a0f78e7a7d985bf","target":"record","created_at":"2026-05-18T00:33:21Z","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":"05a793c410604440d03e5b8123933e3ef89b2a7e4d94f56d49bd16dfae88a0b1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-01-05T12:48:36Z","title_canon_sha256":"5e75768144e331f396ee0c190249ca9420c3d2fa2fe23dbe2ab513d7d0df4421"},"schema_version":"1.0","source":{"id":"1701.01299","kind":"arxiv","version":3}},"canonical_sha256":"b84c945360afbd7ef6a93580112e2f56aa68521c3e91f92ecde63169076612dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b84c945360afbd7ef6a93580112e2f56aa68521c3e91f92ecde63169076612dc","first_computed_at":"2026-05-18T00:33:21.845867Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:21.845867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3vx1Mjiw2xMhNbdkGw1Fz8tzmTq91cz/lyu4T5BKaB6pbKDNOt3xE37uplSA+ATo8pFAui+R54t9/WUP8gX5Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:21.846331Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01299","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bf136eb332072e8745c53f6f54724d46d3575d36e9bd0c97a0f78e7a7d985bf","sha256:9537064ebb3517ac016cfb622dbaa9ffdcbed210bef6f37d7a5da99e69eb1ad6"],"state_sha256":"33219619fa20ddb024337381ca985adf99f572462d41e9d7bd3ed05976abefe0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BOZmHqjNVMGtWkRCK5Lqe0HklY5Tb3KNEav7c7obnr0RxQziQSKcgHFmVyLNlQzwr4GNn+ViawLIdNhgs1Y9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:20:11.563761Z","bundle_sha256":"5ebf3e9459eec1f8019ebb393f43913351390139d3d03d8c2a7d4fff3748323e"}}