{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EMUGWP34O7XQTPD4FJIYOPHSIU","short_pith_number":"pith:EMUGWP34","canonical_record":{"source":{"id":"1706.00651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-06-02T12:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"ed415a6c2cec1cc95bece576ee2aa288d8cb54238cd58e2943b6fd68a39b5df3","abstract_canon_sha256":"41e587a153ac3f824c6fbceee5cfdd74ee846d87f2a20ceeedec93451494a76c"},"schema_version":"1.0"},"canonical_sha256":"23286b3f7c77ef09bc7c2a51873cf24501c00c78a5da0496108724333d8d4a37","source":{"kind":"arxiv","id":"1706.00651","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.00651","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"arxiv_version","alias_value":"1706.00651v1","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00651","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"pith_short_12","alias_value":"EMUGWP34O7XQ","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EMUGWP34O7XQTPD4","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EMUGWP34","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EMUGWP34O7XQTPD4FJIYOPHSIU","target":"record","payload":{"canonical_record":{"source":{"id":"1706.00651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-06-02T12:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"ed415a6c2cec1cc95bece576ee2aa288d8cb54238cd58e2943b6fd68a39b5df3","abstract_canon_sha256":"41e587a153ac3f824c6fbceee5cfdd74ee846d87f2a20ceeedec93451494a76c"},"schema_version":"1.0"},"canonical_sha256":"23286b3f7c77ef09bc7c2a51873cf24501c00c78a5da0496108724333d8d4a37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:35.763628Z","signature_b64":"tW0VXhxpqwcNiVDxfNxpdiFjMrZdIoFrHE62VloEwEaGLlJ64Eqo8n2jXnkrlFBjX2asMw8VSLOAnrCYQhrKCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23286b3f7c77ef09bc7c2a51873cf24501c00c78a5da0496108724333d8d4a37","last_reissued_at":"2026-05-18T00:23:35.763055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:35.763055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.00651","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":"2026-05-18T00:23:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zmJQQ4DwDi1vW1m0HAVyxnYyffpD/suMuUgtmSeISi7J9AbuPLvwuueVK64mWHZWo1uQfLKHkmXriby2AxNzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:47:23.835899Z"},"content_sha256":"e9dc349aa83a812934218552faa57b8f9ca6e58b62bd007c955b377447335aa0","schema_version":"1.0","event_id":"sha256:e9dc349aa83a812934218552faa57b8f9ca6e58b62bd007c955b377447335aa0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EMUGWP34O7XQTPD4FJIYOPHSIU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Small-scale anisotropy induced by spectral forcing and by rotation in non-helical and helical turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Aurore Naso (LMFA), Donato Vallefuoco (LMFA), Fabien Godeferd (LMFA)","submitted_at":"2017-06-02T12:18:33Z","abstract_excerpt":"We study the effect of large-scale spectral forcing on the scale-dependent anisotropy of the velocity field in direct numerical simulations of homogeneous incompressible turbulence. Two forcing methods are considered: the steady ABC single wavenumber scheme and the unsteady non-helical or helical Euler scheme. The results are also compared with high resolution data obtained with the negative viscosity scheme. A fine-grained characterization of anisotropy, consisting in measuring some quantities related to the two-point velocity correlations, is used: we perform a modal decomposition of the spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00651","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":"2026-05-18T00:23:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fFupI2DYWFAJ2j8ocyc2OocgkOdISz6v5ujS8MWGBWz7wpuy9DCBTbSQIFVXOMv2Udc3FJ3KZ4fjzlZnPAFlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:47:23.836244Z"},"content_sha256":"57c14eb78cbc15218c3a8b92c4d163a255fd70fc775d886df199d18e2fbaaf22","schema_version":"1.0","event_id":"sha256:57c14eb78cbc15218c3a8b92c4d163a255fd70fc775d886df199d18e2fbaaf22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/bundle.json","state_url":"https://pith.science/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/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":"2026-06-08T23:47:23Z","links":{"resolver":"https://pith.science/pith/EMUGWP34O7XQTPD4FJIYOPHSIU","bundle":"https://pith.science/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/bundle.json","state":"https://pith.science/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMUGWP34O7XQTPD4FJIYOPHSIU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EMUGWP34O7XQTPD4FJIYOPHSIU","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":"41e587a153ac3f824c6fbceee5cfdd74ee846d87f2a20ceeedec93451494a76c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-06-02T12:18:33Z","title_canon_sha256":"ed415a6c2cec1cc95bece576ee2aa288d8cb54238cd58e2943b6fd68a39b5df3"},"schema_version":"1.0","source":{"id":"1706.00651","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.00651","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"arxiv_version","alias_value":"1706.00651v1","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00651","created_at":"2026-05-18T00:23:35Z"},{"alias_kind":"pith_short_12","alias_value":"EMUGWP34O7XQ","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EMUGWP34O7XQTPD4","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EMUGWP34","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:57c14eb78cbc15218c3a8b92c4d163a255fd70fc775d886df199d18e2fbaaf22","target":"graph","created_at":"2026-05-18T00:23:35Z","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 study the effect of large-scale spectral forcing on the scale-dependent anisotropy of the velocity field in direct numerical simulations of homogeneous incompressible turbulence. Two forcing methods are considered: the steady ABC single wavenumber scheme and the unsteady non-helical or helical Euler scheme. The results are also compared with high resolution data obtained with the negative viscosity scheme. A fine-grained characterization of anisotropy, consisting in measuring some quantities related to the two-point velocity correlations, is used: we perform a modal decomposition of the spe","authors_text":"Aurore Naso (LMFA), Donato Vallefuoco (LMFA), Fabien Godeferd (LMFA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-06-02T12:18:33Z","title":"Small-scale anisotropy induced by spectral forcing and by rotation in non-helical and helical turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00651","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:e9dc349aa83a812934218552faa57b8f9ca6e58b62bd007c955b377447335aa0","target":"record","created_at":"2026-05-18T00:23:35Z","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":"41e587a153ac3f824c6fbceee5cfdd74ee846d87f2a20ceeedec93451494a76c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-06-02T12:18:33Z","title_canon_sha256":"ed415a6c2cec1cc95bece576ee2aa288d8cb54238cd58e2943b6fd68a39b5df3"},"schema_version":"1.0","source":{"id":"1706.00651","kind":"arxiv","version":1}},"canonical_sha256":"23286b3f7c77ef09bc7c2a51873cf24501c00c78a5da0496108724333d8d4a37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23286b3f7c77ef09bc7c2a51873cf24501c00c78a5da0496108724333d8d4a37","first_computed_at":"2026-05-18T00:23:35.763055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:35.763055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tW0VXhxpqwcNiVDxfNxpdiFjMrZdIoFrHE62VloEwEaGLlJ64Eqo8n2jXnkrlFBjX2asMw8VSLOAnrCYQhrKCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:35.763628Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.00651","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9dc349aa83a812934218552faa57b8f9ca6e58b62bd007c955b377447335aa0","sha256:57c14eb78cbc15218c3a8b92c4d163a255fd70fc775d886df199d18e2fbaaf22"],"state_sha256":"b9e21d1fb5f2bd777f0a28d17ad955e50599018704dac87870b52356ddcad56f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zGSNjAb8i8Cw5zOybbRNDCibSg2lPZJTinHDUp5U32Eq0UpDDY2FgNlRYY5t+ViBU0NxCP6RikeNnJC51RCAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:47:23.838165Z","bundle_sha256":"b72bde2100c090b9332e8c6564331dac2aeb097d2acca0a67f316ae5b93f4e55"}}