{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6J2RGDWGHFKJGHFCGMWOGO3PPI","short_pith_number":"pith:6J2RGDWG","canonical_record":{"source":{"id":"1206.1286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-06-06T17:48:20Z","cross_cats_sorted":[],"title_canon_sha256":"c856bc8a92df13cad1c2e2ec5b5a9af3b7229fcd5a85c2c2589ce25b66c4cfbe","abstract_canon_sha256":"b942bc8948df153a3278a07b0a9b03f5784f2693813264adb5f56213881298cb"},"schema_version":"1.0"},"canonical_sha256":"f275130ec63954931ca2332ce33b6f7a19eb33abed888a6d6803e663be920cca","source":{"kind":"arxiv","id":"1206.1286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1286","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1286v1","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1286","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"6J2RGDWGHFKJ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6J2RGDWGHFKJGHFC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6J2RGDWG","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6J2RGDWGHFKJGHFCGMWOGO3PPI","target":"record","payload":{"canonical_record":{"source":{"id":"1206.1286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-06-06T17:48:20Z","cross_cats_sorted":[],"title_canon_sha256":"c856bc8a92df13cad1c2e2ec5b5a9af3b7229fcd5a85c2c2589ce25b66c4cfbe","abstract_canon_sha256":"b942bc8948df153a3278a07b0a9b03f5784f2693813264adb5f56213881298cb"},"schema_version":"1.0"},"canonical_sha256":"f275130ec63954931ca2332ce33b6f7a19eb33abed888a6d6803e663be920cca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:06.983793Z","signature_b64":"8+0O3Qhvfl+XXtozpcFcCPQ5J16YPQYwhIwXOYQ7/jQrcJ6MNb+V6KkSBQ0HRF8VxRxFuYRpiLVfqgBjh7MaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f275130ec63954931ca2332ce33b6f7a19eb33abed888a6d6803e663be920cca","last_reissued_at":"2026-05-18T01:57:06.983146Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:06.983146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.1286","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":"2026-05-18T01:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZ0feTQHIgOfIMINAvt90PHVm5l6jVEhldOKQo3IV/BFnwAkQZxWEe+qLPkLiwPAFDu1C7GnakZC4A65aUW2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T02:42:50.523263Z"},"content_sha256":"92cb3b915f663990ac0a07672c1080698c09555dfab81d2ff6e827ec4e3b0f9e","schema_version":"1.0","event_id":"sha256:92cb3b915f663990ac0a07672c1080698c09555dfab81d2ff6e827ec4e3b0f9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6J2RGDWGHFKJGHFCGMWOGO3PPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct Numerical Simulations of Local and Global Torque in Taylor-Couette Flow up to Re=30.000","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Bruno Eckhardt, Hannes Brauckmann","submitted_at":"2012-06-06T17:48:20Z","abstract_excerpt":"The torque in turbulent Taylor-Couette flows for shear Reynolds numbers Re_S up to 3x10^4 at various mean rotations is studied by means of direct numerical simulations for a radius ratio of \\eta=0.71. Convergence of simulations is tested using three criteria of which the agreement of dissipation values estimated from the torque and from the volume dissipation rate turns out to be most demanding. We evaluate the influence of Taylor vortex heights on the torque for a stationary outer cylinder and select a value of the aspect ratio of \\Gamma=2, close to the torque maximum. The connection between "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1286","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":"2026-05-18T01:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cMeACSKSfrgrxg6nhF2Hr8D562T4XjhG9hY9pXiuN6bPIpoO4Dxk7fqdSuROCUHZFUUC61s+12gMZWGOdzn6Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T02:42:50.523925Z"},"content_sha256":"5027be73ccdd281c570ae5b696fd4f850150fd7194526794e3e0fb54795e2548","schema_version":"1.0","event_id":"sha256:5027be73ccdd281c570ae5b696fd4f850150fd7194526794e3e0fb54795e2548"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/bundle.json","state_url":"https://pith.science/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/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":"2026-05-23T02:42:50Z","links":{"resolver":"https://pith.science/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI","bundle":"https://pith.science/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/bundle.json","state":"https://pith.science/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6J2RGDWGHFKJGHFCGMWOGO3PPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6J2RGDWGHFKJGHFCGMWOGO3PPI","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":"b942bc8948df153a3278a07b0a9b03f5784f2693813264adb5f56213881298cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-06-06T17:48:20Z","title_canon_sha256":"c856bc8a92df13cad1c2e2ec5b5a9af3b7229fcd5a85c2c2589ce25b66c4cfbe"},"schema_version":"1.0","source":{"id":"1206.1286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1286","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1286v1","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1286","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"6J2RGDWGHFKJ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6J2RGDWGHFKJGHFC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6J2RGDWG","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:5027be73ccdd281c570ae5b696fd4f850150fd7194526794e3e0fb54795e2548","target":"graph","created_at":"2026-05-18T01:57:06Z","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 torque in turbulent Taylor-Couette flows for shear Reynolds numbers Re_S up to 3x10^4 at various mean rotations is studied by means of direct numerical simulations for a radius ratio of \\eta=0.71. Convergence of simulations is tested using three criteria of which the agreement of dissipation values estimated from the torque and from the volume dissipation rate turns out to be most demanding. We evaluate the influence of Taylor vortex heights on the torque for a stationary outer cylinder and select a value of the aspect ratio of \\Gamma=2, close to the torque maximum. The connection between ","authors_text":"Bruno Eckhardt, Hannes Brauckmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-06-06T17:48:20Z","title":"Direct Numerical Simulations of Local and Global Torque in Taylor-Couette Flow up to Re=30.000"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1286","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":"sha256:92cb3b915f663990ac0a07672c1080698c09555dfab81d2ff6e827ec4e3b0f9e","target":"record","created_at":"2026-05-18T01:57:06Z","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":"b942bc8948df153a3278a07b0a9b03f5784f2693813264adb5f56213881298cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-06-06T17:48:20Z","title_canon_sha256":"c856bc8a92df13cad1c2e2ec5b5a9af3b7229fcd5a85c2c2589ce25b66c4cfbe"},"schema_version":"1.0","source":{"id":"1206.1286","kind":"arxiv","version":1}},"canonical_sha256":"f275130ec63954931ca2332ce33b6f7a19eb33abed888a6d6803e663be920cca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f275130ec63954931ca2332ce33b6f7a19eb33abed888a6d6803e663be920cca","first_computed_at":"2026-05-18T01:57:06.983146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:06.983146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8+0O3Qhvfl+XXtozpcFcCPQ5J16YPQYwhIwXOYQ7/jQrcJ6MNb+V6KkSBQ0HRF8VxRxFuYRpiLVfqgBjh7MaCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:06.983793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.1286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92cb3b915f663990ac0a07672c1080698c09555dfab81d2ff6e827ec4e3b0f9e","sha256:5027be73ccdd281c570ae5b696fd4f850150fd7194526794e3e0fb54795e2548"],"state_sha256":"e2e6d990a18d5965826beda6ab0da002ff52c07049d402d7440b17118660ba25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5sckqzvHRfWGZlz7sadYPX4iOV+lUZBs5E9HU+3Ki8oLOo6arI9XXccVQwDx7oCiDtMrphKDBhgFOqUti/mODw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T02:42:50.527152Z","bundle_sha256":"7a2475e0c8ad0204ec02185afba7884b6f14c6b10fe2ad9bab8f3ffd9c1975d6"}}