{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:77OMQF4XYXWE5B6UIGHCR4IJKT","short_pith_number":"pith:77OMQF4X","canonical_record":{"source":{"id":"0908.0760","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-08-05T21:35:01Z","cross_cats_sorted":[],"title_canon_sha256":"522556cfa403b820ad781562e818186d7ae9ccc518dd9146d22c8013b27851ee","abstract_canon_sha256":"1409216d4671787aa0dcfc68991523b14cad531c9e2288e7ee075f042c103bcf"},"schema_version":"1.0"},"canonical_sha256":"ffdcc81797c5ec4e87d4418e28f10954d0929b4dde95243665d88a467764f7a2","source":{"kind":"arxiv","id":"0908.0760","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.0760","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"0908.0760v2","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.0760","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"77OMQF4XYXWE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"77OMQF4XYXWE5B6U","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"77OMQF4X","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:77OMQF4XYXWE5B6UIGHCR4IJKT","target":"record","payload":{"canonical_record":{"source":{"id":"0908.0760","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-08-05T21:35:01Z","cross_cats_sorted":[],"title_canon_sha256":"522556cfa403b820ad781562e818186d7ae9ccc518dd9146d22c8013b27851ee","abstract_canon_sha256":"1409216d4671787aa0dcfc68991523b14cad531c9e2288e7ee075f042c103bcf"},"schema_version":"1.0"},"canonical_sha256":"ffdcc81797c5ec4e87d4418e28f10954d0929b4dde95243665d88a467764f7a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:44.141135Z","signature_b64":"D4Lk2G8Fhm8UG4FdPkdLjqSqDqJvhpwqe5p8sXzQ13jDxSQJcblMe/WZztgDcDynW/EI/ie63obqDd7rncgWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffdcc81797c5ec4e87d4418e28f10954d0929b4dde95243665d88a467764f7a2","last_reissued_at":"2026-05-18T02:12:44.140303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:44.140303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.0760","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ly7VgJxia1KLZa6ImNeJwDbQe2J3PfuxEdki0ULu4xk7eNDO/Zydc6QPzTZ/IDKFKY+e2IQKRg2fx/xE4EPnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:28:35.119258Z"},"content_sha256":"eb607ea047a63b73aa86178ad1eb0cfea4d28ee9d0838576d26795f8029f525c","schema_version":"1.0","event_id":"sha256:eb607ea047a63b73aa86178ad1eb0cfea4d28ee9d0838576d26795f8029f525c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:77OMQF4XYXWE5B6UIGHCR4IJKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of non-universal large scales on conditional structure functions in turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Daniel B. Blum, Greg A. Voth, James Johnson, Surendra Kunwar","submitted_at":"2009-08-05T21:35:01Z","abstract_excerpt":"We report measurements of conditional Eulerian and Lagrangian structure functions in order to assess the effects of non-universal properties of the large scales on the small scales in turbulence. We study a 1m $\\times$ 1m $\\times$ 1.5m flow between oscillating grids which produces $R_\\lambda=285$ while containing regions of nearly homogeneous and highly inhomogeneous turbulence. Large data sets of three-dimensional tracer particle velocities have been collected using stereoscopic high speed cameras with real-time image compression technology. Eulerian and Lagrangian structure functions are mea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.0760","kind":"arxiv","version":2},"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":"2026-05-18T02:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t3/oE0i9f01jK9aiTsnSj87ER25N8Bg4Fqq9I/gorRS+6yjQf6ERVTD1Zcocj56Lcm4a3TLPd0EhfbgLrUrYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:28:35.119970Z"},"content_sha256":"ec630d61dc5f2ef4ad6c46d4e4ad058b71181182fefc03dc14eb2bd7f4f47a28","schema_version":"1.0","event_id":"sha256:ec630d61dc5f2ef4ad6c46d4e4ad058b71181182fefc03dc14eb2bd7f4f47a28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/bundle.json","state_url":"https://pith.science/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/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":"2026-05-31T12:28:35Z","links":{"resolver":"https://pith.science/pith/77OMQF4XYXWE5B6UIGHCR4IJKT","bundle":"https://pith.science/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/bundle.json","state":"https://pith.science/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/77OMQF4XYXWE5B6UIGHCR4IJKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:77OMQF4XYXWE5B6UIGHCR4IJKT","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":"1409216d4671787aa0dcfc68991523b14cad531c9e2288e7ee075f042c103bcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-08-05T21:35:01Z","title_canon_sha256":"522556cfa403b820ad781562e818186d7ae9ccc518dd9146d22c8013b27851ee"},"schema_version":"1.0","source":{"id":"0908.0760","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.0760","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"0908.0760v2","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.0760","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"77OMQF4XYXWE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"77OMQF4XYXWE5B6U","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"77OMQF4X","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:ec630d61dc5f2ef4ad6c46d4e4ad058b71181182fefc03dc14eb2bd7f4f47a28","target":"graph","created_at":"2026-05-18T02:12:44Z","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 report measurements of conditional Eulerian and Lagrangian structure functions in order to assess the effects of non-universal properties of the large scales on the small scales in turbulence. We study a 1m $\\times$ 1m $\\times$ 1.5m flow between oscillating grids which produces $R_\\lambda=285$ while containing regions of nearly homogeneous and highly inhomogeneous turbulence. Large data sets of three-dimensional tracer particle velocities have been collected using stereoscopic high speed cameras with real-time image compression technology. Eulerian and Lagrangian structure functions are mea","authors_text":"Daniel B. Blum, Greg A. Voth, James Johnson, Surendra Kunwar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-08-05T21:35:01Z","title":"Effects of non-universal large scales on conditional structure functions in turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.0760","kind":"arxiv","version":2},"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:eb607ea047a63b73aa86178ad1eb0cfea4d28ee9d0838576d26795f8029f525c","target":"record","created_at":"2026-05-18T02:12:44Z","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":"1409216d4671787aa0dcfc68991523b14cad531c9e2288e7ee075f042c103bcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-08-05T21:35:01Z","title_canon_sha256":"522556cfa403b820ad781562e818186d7ae9ccc518dd9146d22c8013b27851ee"},"schema_version":"1.0","source":{"id":"0908.0760","kind":"arxiv","version":2}},"canonical_sha256":"ffdcc81797c5ec4e87d4418e28f10954d0929b4dde95243665d88a467764f7a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffdcc81797c5ec4e87d4418e28f10954d0929b4dde95243665d88a467764f7a2","first_computed_at":"2026-05-18T02:12:44.140303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:44.140303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D4Lk2G8Fhm8UG4FdPkdLjqSqDqJvhpwqe5p8sXzQ13jDxSQJcblMe/WZztgDcDynW/EI/ie63obqDd7rncgWDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:44.141135Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.0760","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb607ea047a63b73aa86178ad1eb0cfea4d28ee9d0838576d26795f8029f525c","sha256:ec630d61dc5f2ef4ad6c46d4e4ad058b71181182fefc03dc14eb2bd7f4f47a28"],"state_sha256":"d378be24d28886f9e94d2cfe507fb9dde19d3cc18f5ca13f86fb17a0684cbab5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0iWMt38aRoPcHS4162tUZQjk3Eo8uecOq3u7KtHz0nrgd/TjHEe1aMDkfU4aVowLA8BYo3TAaw1b/aI8cuOjDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:28:35.124003Z","bundle_sha256":"b105ec1a353666fa408d1d7e9389b0ea6acf9c1a1d3e3f4dd1d14b85ca9a440a"}}