{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6DRV4VCVBSI7XE3XZOA25JGPPJ","short_pith_number":"pith:6DRV4VCV","canonical_record":{"source":{"id":"1401.6217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-01-23T23:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"5d61d0ecbfd3edfe2f77e853e34ece8f8a465c341e156f82fec110b82098056d","abstract_canon_sha256":"2b442bfdf9380bb908e7ae24aa98069f9e13b065b88aa5e0b59702b8496bb567"},"schema_version":"1.0"},"canonical_sha256":"f0e35e54550c91fb9377cb81aea4cf7a6ffac8085504a946b075968452e4bd94","source":{"kind":"arxiv","id":"1401.6217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6217","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6217v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6217","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"6DRV4VCVBSI7","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6DRV4VCVBSI7XE3X","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6DRV4VCV","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6DRV4VCVBSI7XE3XZOA25JGPPJ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.6217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-01-23T23:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"5d61d0ecbfd3edfe2f77e853e34ece8f8a465c341e156f82fec110b82098056d","abstract_canon_sha256":"2b442bfdf9380bb908e7ae24aa98069f9e13b065b88aa5e0b59702b8496bb567"},"schema_version":"1.0"},"canonical_sha256":"f0e35e54550c91fb9377cb81aea4cf7a6ffac8085504a946b075968452e4bd94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:06.085598Z","signature_b64":"GfwfaDaYF0Gc8PESHqhcgJUtSSc9NVx/xWsAwdvh5lF3wqXcBxfamhE43YzoASRmygjFoY6LhbdacdIBM8w0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0e35e54550c91fb9377cb81aea4cf7a6ffac8085504a946b075968452e4bd94","last_reissued_at":"2026-05-18T00:25:06.085098Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:06.085098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.6217","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"muuRVp1gWbkpRPOQMgx42C4mmVcmqsl7+LYyWEehrhBnABFXEMq3ty9MthDJ4r5TdI3YsxXTQ0uJq0XQogSFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T13:43:27.304419Z"},"content_sha256":"9daaf5aa1961500e136826198c1d5fb7ed59ff5e855ac8d96529446be7ffea8d","schema_version":"1.0","event_id":"sha256:9daaf5aa1961500e136826198c1d5fb7ed59ff5e855ac8d96529446be7ffea8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6DRV4VCVBSI7XE3XZOA25JGPPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A posteriori analysis of low-pass spatial filters for approximate deconvolution large eddy simulations of homogeneous incompressible flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Anne E. Staples, Omer San, Traian Iliescu","submitted_at":"2014-01-23T23:43:16Z","abstract_excerpt":"The goal of this paper is twofold: first, it investigates the effect of low-pass spatial filters for approximate deconvolution large eddy simulation (AD-LES) of turbulent incompressible flows. Second, it proposes the hyper-differential filter as a means of increasing the accuracy of the AD-LES model without increasing the computational cost. Box filters, Pad\\'{e} filters, and differential filters with a wide range of parameters are studied in the AD-LES framework. The AD-LES model, in conjunction with these spatial filters, is tested in the numerical simulation of the three-dimensional Taylor-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6217","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ABLNxRtEZMRPK/GwIjhnAE9LNhp5IVWYL+EWR3ZrAzG2vKPYXLgHOpoXGXg5FvkpMlQcJpwizKDV72neUsOzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T13:43:27.304764Z"},"content_sha256":"934b7410de125a210d81d536703085a7af30883d3a242babdfee01162cfa2418","schema_version":"1.0","event_id":"sha256:934b7410de125a210d81d536703085a7af30883d3a242babdfee01162cfa2418"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/bundle.json","state_url":"https://pith.science/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/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":"2026-06-20T13:43:27Z","links":{"resolver":"https://pith.science/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ","bundle":"https://pith.science/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/bundle.json","state":"https://pith.science/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6DRV4VCVBSI7XE3XZOA25JGPPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6DRV4VCVBSI7XE3XZOA25JGPPJ","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":"2b442bfdf9380bb908e7ae24aa98069f9e13b065b88aa5e0b59702b8496bb567","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-01-23T23:43:16Z","title_canon_sha256":"5d61d0ecbfd3edfe2f77e853e34ece8f8a465c341e156f82fec110b82098056d"},"schema_version":"1.0","source":{"id":"1401.6217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6217","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6217v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6217","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"6DRV4VCVBSI7","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6DRV4VCVBSI7XE3X","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6DRV4VCV","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:934b7410de125a210d81d536703085a7af30883d3a242babdfee01162cfa2418","target":"graph","created_at":"2026-05-18T00:25:06Z","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 goal of this paper is twofold: first, it investigates the effect of low-pass spatial filters for approximate deconvolution large eddy simulation (AD-LES) of turbulent incompressible flows. Second, it proposes the hyper-differential filter as a means of increasing the accuracy of the AD-LES model without increasing the computational cost. Box filters, Pad\\'{e} filters, and differential filters with a wide range of parameters are studied in the AD-LES framework. The AD-LES model, in conjunction with these spatial filters, is tested in the numerical simulation of the three-dimensional Taylor-","authors_text":"Anne E. Staples, Omer San, Traian Iliescu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-01-23T23:43:16Z","title":"A posteriori analysis of low-pass spatial filters for approximate deconvolution large eddy simulations of homogeneous incompressible flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6217","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":"sha256:9daaf5aa1961500e136826198c1d5fb7ed59ff5e855ac8d96529446be7ffea8d","target":"record","created_at":"2026-05-18T00:25:06Z","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":"2b442bfdf9380bb908e7ae24aa98069f9e13b065b88aa5e0b59702b8496bb567","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-01-23T23:43:16Z","title_canon_sha256":"5d61d0ecbfd3edfe2f77e853e34ece8f8a465c341e156f82fec110b82098056d"},"schema_version":"1.0","source":{"id":"1401.6217","kind":"arxiv","version":1}},"canonical_sha256":"f0e35e54550c91fb9377cb81aea4cf7a6ffac8085504a946b075968452e4bd94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0e35e54550c91fb9377cb81aea4cf7a6ffac8085504a946b075968452e4bd94","first_computed_at":"2026-05-18T00:25:06.085098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:06.085098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GfwfaDaYF0Gc8PESHqhcgJUtSSc9NVx/xWsAwdvh5lF3wqXcBxfamhE43YzoASRmygjFoY6LhbdacdIBM8w0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:06.085598Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9daaf5aa1961500e136826198c1d5fb7ed59ff5e855ac8d96529446be7ffea8d","sha256:934b7410de125a210d81d536703085a7af30883d3a242babdfee01162cfa2418"],"state_sha256":"e4be122a6adb7c462c7a4b8809364b28d16ec5c7e7b3f7e3f7c61667b8c507ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QQ6cC0fUcCK8V6toEabEYjYILaca1yqVv5iGZP32C53D/78k+6uV8p4gkSY67uvWyiLlrr5RAh3L6eIPtl0tAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T13:43:27.306734Z","bundle_sha256":"79459295590ff92bdb556364909ea0f901b78efe419924160635bfa026c2f82a"}}