{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:O2F37WPZGKQP6MX44FMYBEO655","short_pith_number":"pith:O2F37WPZ","canonical_record":{"source":{"id":"2005.01793","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-05-04T19:09:21Z","cross_cats_sorted":[],"title_canon_sha256":"c4a197c24aae1b03d2d61901bbcd0e3bb670a2ad9e867eb67ae0a3ad5b91778d","abstract_canon_sha256":"d07edbd2d4ffe0d93da741bfe335341cc8e20c8ea3ab4f540ce9af16f9922820"},"schema_version":"1.0"},"canonical_sha256":"768bbfd9f932a0ff32fce1598091deef4787ec99ccc5a60dd7f9c9688e134ace","source":{"kind":"arxiv","id":"2005.01793","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.01793","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"2005.01793v2","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.01793","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"O2F37WPZGKQP","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_16","alias_value":"O2F37WPZGKQP6MX4","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_8","alias_value":"O2F37WPZ","created_at":"2026-07-05T03:22:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:O2F37WPZGKQP6MX44FMYBEO655","target":"record","payload":{"canonical_record":{"source":{"id":"2005.01793","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-05-04T19:09:21Z","cross_cats_sorted":[],"title_canon_sha256":"c4a197c24aae1b03d2d61901bbcd0e3bb670a2ad9e867eb67ae0a3ad5b91778d","abstract_canon_sha256":"d07edbd2d4ffe0d93da741bfe335341cc8e20c8ea3ab4f540ce9af16f9922820"},"schema_version":"1.0"},"canonical_sha256":"768bbfd9f932a0ff32fce1598091deef4787ec99ccc5a60dd7f9c9688e134ace","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:22:44.385288Z","signature_b64":"rUE+nANAclFn5TPwqxPVKN7QrqTPu8aUhrIqbM+51q5OmCjKp4Ku54yNYcS13Dm4ehb6hqvs39mE4VZYMr6hCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"768bbfd9f932a0ff32fce1598091deef4787ec99ccc5a60dd7f9c9688e134ace","last_reissued_at":"2026-07-05T03:22:44.384724Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:22:44.384724Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.01793","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":"2026-07-05T03:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XYndDKCyv8eulaKHwhrMknxNk3Rd1jQ8mrFSrgtr08DeXqYdh+nT/m3MyMxIYqhvJXpzHRLb+XhxvCoQ4paDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:13:26.864938Z"},"content_sha256":"ebf281d53f36acc91f6d4938a8c60d445509ec58620804ddfd27e0c0dacf3116","schema_version":"1.0","event_id":"sha256:ebf281d53f36acc91f6d4938a8c60d445509ec58620804ddfd27e0c0dacf3116"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:O2F37WPZGKQP6MX44FMYBEO655","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near wall coherence in wall-bounded flows and implications for flow control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Amirreza Rouhi, Ivan Marusic, Milad Samie, Nicholas Hutchins, Philipp Schlatter, Ramis \\\"Orl\\\"u, Woutijn Baars","submitted_at":"2020-05-04T19:09:21Z","abstract_excerpt":"Opposition-control of the energetic cycle of near wall streaks in wall-bounded turbulence, using numerical approaches, has shown promise for drag reduction. For practical implementation, opposition control is only realizable if there is a degree of coherence between the sensor--actuator pairs of the control system (these sensors and actuators should typically be wall-based to avoid parasitic drag). As such, we here inspect the feasibility of real-time control of the near-wall cycle, by considering the coherence between a measurable wall-quantity, being the wall-shear stress fluctuations, and t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.01793","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2005.01793/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vXCYvRSBMbtAPcqYZq9+tkqMp+AK+2R3XYDeA4l26Ga5340l4CDsAFrBsuk4/BAwBqX4wwLztG3RnO1cfFo+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:13:26.865347Z"},"content_sha256":"8520aac30a4ccf6014f3f40c4155502e30c758495286092e74ce1c25306d9980","schema_version":"1.0","event_id":"sha256:8520aac30a4ccf6014f3f40c4155502e30c758495286092e74ce1c25306d9980"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2F37WPZGKQP6MX44FMYBEO655/bundle.json","state_url":"https://pith.science/pith/O2F37WPZGKQP6MX44FMYBEO655/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2F37WPZGKQP6MX44FMYBEO655/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":"2026-07-06T19:13:26Z","links":{"resolver":"https://pith.science/pith/O2F37WPZGKQP6MX44FMYBEO655","bundle":"https://pith.science/pith/O2F37WPZGKQP6MX44FMYBEO655/bundle.json","state":"https://pith.science/pith/O2F37WPZGKQP6MX44FMYBEO655/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2F37WPZGKQP6MX44FMYBEO655/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:O2F37WPZGKQP6MX44FMYBEO655","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":"d07edbd2d4ffe0d93da741bfe335341cc8e20c8ea3ab4f540ce9af16f9922820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-05-04T19:09:21Z","title_canon_sha256":"c4a197c24aae1b03d2d61901bbcd0e3bb670a2ad9e867eb67ae0a3ad5b91778d"},"schema_version":"1.0","source":{"id":"2005.01793","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.01793","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"2005.01793v2","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.01793","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"O2F37WPZGKQP","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_16","alias_value":"O2F37WPZGKQP6MX4","created_at":"2026-07-05T03:22:44Z"},{"alias_kind":"pith_short_8","alias_value":"O2F37WPZ","created_at":"2026-07-05T03:22:44Z"}],"graph_snapshots":[{"event_id":"sha256:8520aac30a4ccf6014f3f40c4155502e30c758495286092e74ce1c25306d9980","target":"graph","created_at":"2026-07-05T03:22:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2005.01793/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Opposition-control of the energetic cycle of near wall streaks in wall-bounded turbulence, using numerical approaches, has shown promise for drag reduction. For practical implementation, opposition control is only realizable if there is a degree of coherence between the sensor--actuator pairs of the control system (these sensors and actuators should typically be wall-based to avoid parasitic drag). As such, we here inspect the feasibility of real-time control of the near-wall cycle, by considering the coherence between a measurable wall-quantity, being the wall-shear stress fluctuations, and t","authors_text":"Amirreza Rouhi, Ivan Marusic, Milad Samie, Nicholas Hutchins, Philipp Schlatter, Ramis \\\"Orl\\\"u, Woutijn Baars","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-05-04T19:09:21Z","title":"Near wall coherence in wall-bounded flows and implications for flow control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.01793","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:ebf281d53f36acc91f6d4938a8c60d445509ec58620804ddfd27e0c0dacf3116","target":"record","created_at":"2026-07-05T03:22:44Z","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":"d07edbd2d4ffe0d93da741bfe335341cc8e20c8ea3ab4f540ce9af16f9922820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-05-04T19:09:21Z","title_canon_sha256":"c4a197c24aae1b03d2d61901bbcd0e3bb670a2ad9e867eb67ae0a3ad5b91778d"},"schema_version":"1.0","source":{"id":"2005.01793","kind":"arxiv","version":2}},"canonical_sha256":"768bbfd9f932a0ff32fce1598091deef4787ec99ccc5a60dd7f9c9688e134ace","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"768bbfd9f932a0ff32fce1598091deef4787ec99ccc5a60dd7f9c9688e134ace","first_computed_at":"2026-07-05T03:22:44.384724Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:22:44.384724Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rUE+nANAclFn5TPwqxPVKN7QrqTPu8aUhrIqbM+51q5OmCjKp4Ku54yNYcS13Dm4ehb6hqvs39mE4VZYMr6hCw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:22:44.385288Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.01793","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebf281d53f36acc91f6d4938a8c60d445509ec58620804ddfd27e0c0dacf3116","sha256:8520aac30a4ccf6014f3f40c4155502e30c758495286092e74ce1c25306d9980"],"state_sha256":"56ab9b67096306916de309f3b3cd27741b130529508706b56d6ccb4dcf97271e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fwm+h2NlneyYuMmI8pbm7etn+NieM/0Bd3Jgkt2YgDBhZ6KT6XoGED2zAi1UnhqTB/OqmRBYJAGiYBs96ljqAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:13:26.867293Z","bundle_sha256":"b82bfd2454b4fb47547026f8eac0d27931f7a55ed2421f5b955e4733ac82d8ce"}}