{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2HR7MNGF2DERV6F6CEZS5MFLPJ","short_pith_number":"pith:2HR7MNGF","canonical_record":{"source":{"id":"2407.06764","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-09T11:17:48Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"e0fe6384508959367ac24f7ff4a6af3e086e21e0a40a87794f29b849fe90ffa2","abstract_canon_sha256":"b16bde9b98544d4596edc260786c81de2d31273943991d4c7914da123a562b26"},"schema_version":"1.0"},"canonical_sha256":"d1e3f634c5d0c91af8be11332eb0ab7a77bee45cc573840363d631ed0199397c","source":{"kind":"arxiv","id":"2407.06764","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.06764","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"2407.06764v1","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.06764","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"2HR7MNGF2DER","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_16","alias_value":"2HR7MNGF2DERV6F6","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_8","alias_value":"2HR7MNGF","created_at":"2026-07-05T08:41:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2HR7MNGF2DERV6F6CEZS5MFLPJ","target":"record","payload":{"canonical_record":{"source":{"id":"2407.06764","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-09T11:17:48Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"e0fe6384508959367ac24f7ff4a6af3e086e21e0a40a87794f29b849fe90ffa2","abstract_canon_sha256":"b16bde9b98544d4596edc260786c81de2d31273943991d4c7914da123a562b26"},"schema_version":"1.0"},"canonical_sha256":"d1e3f634c5d0c91af8be11332eb0ab7a77bee45cc573840363d631ed0199397c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:41:53.169728Z","signature_b64":"fBEPn7qLJgeXa6Vdzb7oaRdtHWe0Z3nB7BwNsk/0SLSpMB3zoSK7eR8v25Rbig9hw7CN+VQU9OvhbqHhRAlkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1e3f634c5d0c91af8be11332eb0ab7a77bee45cc573840363d631ed0199397c","last_reissued_at":"2026-07-05T08:41:53.169286Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:41:53.169286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.06764","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":"2026-07-05T08:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xTf07aTN7UNYTOUsI6Lv51SZkt50VZqkz7zp7gBBH5zo9nl+1xqO3OsiKRxpDOm00q3yGSwB4Mpavh9Z1vQLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:25:39.618138Z"},"content_sha256":"58dd988c4c44172e8793259a72465ae995809d5f338c55ad52be26f6c7c2442d","schema_version":"1.0","event_id":"sha256:58dd988c4c44172e8793259a72465ae995809d5f338c55ad52be26f6c7c2442d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2HR7MNGF2DERV6F6CEZS5MFLPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolvent analysis of a swimming foil","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"physics.flu-dyn","authors_text":"Bharathram Ganapathisubramani, Gabriel D. Weymouth, Jonathan M. O. Massey, Sean Symon","submitted_at":"2024-07-09T11:17:48Z","abstract_excerpt":"This study employs resolvent analysis to explore the dynamics and coherent structures in the boundary layer of a foil that swims via a travelling wave undulation. A modified NACA foil shape is used together with undulatory kinematics to represent fish-like bodies at realistic Reynolds numbers ($ \\mathit{Re} = 10,000 $ and $ \\mathit{Re} = 100,000 $) in both thrust- and drag-producing propulsion regimes. We introduce a novel coordinate transformation that enables the implementation of the data-driven resolvent analysis \\citep{herrmann_data-driven_2021} to dissect the stability of the boundary la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.06764","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.06764/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":"2026-07-05T08:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pr9N/A821QWJMWa9z2/+GLbjE+ibZXMtFeLesLQFZXlCRcUCLwHuja8Tb4LUcFXQVQjWLx6d3zHi3/FfP/2vCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:25:39.618512Z"},"content_sha256":"f1a53d75ea20c88d63a6394caa6cfcf068b678bd852993fb7c5f5a958cd6ebc9","schema_version":"1.0","event_id":"sha256:f1a53d75ea20c88d63a6394caa6cfcf068b678bd852993fb7c5f5a958cd6ebc9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/bundle.json","state_url":"https://pith.science/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/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":"2026-07-07T15:25:39Z","links":{"resolver":"https://pith.science/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ","bundle":"https://pith.science/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/bundle.json","state":"https://pith.science/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2HR7MNGF2DERV6F6CEZS5MFLPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2HR7MNGF2DERV6F6CEZS5MFLPJ","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":"b16bde9b98544d4596edc260786c81de2d31273943991d4c7914da123a562b26","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-09T11:17:48Z","title_canon_sha256":"e0fe6384508959367ac24f7ff4a6af3e086e21e0a40a87794f29b849fe90ffa2"},"schema_version":"1.0","source":{"id":"2407.06764","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.06764","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"2407.06764v1","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.06764","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"2HR7MNGF2DER","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_16","alias_value":"2HR7MNGF2DERV6F6","created_at":"2026-07-05T08:41:53Z"},{"alias_kind":"pith_short_8","alias_value":"2HR7MNGF","created_at":"2026-07-05T08:41:53Z"}],"graph_snapshots":[{"event_id":"sha256:f1a53d75ea20c88d63a6394caa6cfcf068b678bd852993fb7c5f5a958cd6ebc9","target":"graph","created_at":"2026-07-05T08:41:53Z","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/2407.06764/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study employs resolvent analysis to explore the dynamics and coherent structures in the boundary layer of a foil that swims via a travelling wave undulation. A modified NACA foil shape is used together with undulatory kinematics to represent fish-like bodies at realistic Reynolds numbers ($ \\mathit{Re} = 10,000 $ and $ \\mathit{Re} = 100,000 $) in both thrust- and drag-producing propulsion regimes. We introduce a novel coordinate transformation that enables the implementation of the data-driven resolvent analysis \\citep{herrmann_data-driven_2021} to dissect the stability of the boundary la","authors_text":"Bharathram Ganapathisubramani, Gabriel D. Weymouth, Jonathan M. O. Massey, Sean Symon","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-09T11:17:48Z","title":"Resolvent analysis of a swimming foil"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.06764","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":"sha256:58dd988c4c44172e8793259a72465ae995809d5f338c55ad52be26f6c7c2442d","target":"record","created_at":"2026-07-05T08:41:53Z","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":"b16bde9b98544d4596edc260786c81de2d31273943991d4c7914da123a562b26","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-09T11:17:48Z","title_canon_sha256":"e0fe6384508959367ac24f7ff4a6af3e086e21e0a40a87794f29b849fe90ffa2"},"schema_version":"1.0","source":{"id":"2407.06764","kind":"arxiv","version":1}},"canonical_sha256":"d1e3f634c5d0c91af8be11332eb0ab7a77bee45cc573840363d631ed0199397c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1e3f634c5d0c91af8be11332eb0ab7a77bee45cc573840363d631ed0199397c","first_computed_at":"2026-07-05T08:41:53.169286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:41:53.169286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fBEPn7qLJgeXa6Vdzb7oaRdtHWe0Z3nB7BwNsk/0SLSpMB3zoSK7eR8v25Rbig9hw7CN+VQU9OvhbqHhRAlkAA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:41:53.169728Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.06764","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58dd988c4c44172e8793259a72465ae995809d5f338c55ad52be26f6c7c2442d","sha256:f1a53d75ea20c88d63a6394caa6cfcf068b678bd852993fb7c5f5a958cd6ebc9"],"state_sha256":"a7ad5fe91f701e4f7e3815b2978eb8d41b6257d2f0dd55ba5863d4a503ddc69e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cy//FcSxJUI3s7zzhxZNWYcGweqE/cwi+EBzQ0xNwWwBi2tv5qJUN4g/8q02v03EKIvhjKNIHkZI7tVaGjmGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:25:39.620286Z","bundle_sha256":"2935c540d47c08bd3ce24ebef9c9201ed0f55a4a74d65cc9bb34a27170f12da0"}}