{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZP44KVART6MZPEGPXHUMLAGNAL","short_pith_number":"pith:ZP44KVAR","canonical_record":{"source":{"id":"1802.07671","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-21T17:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"070c3de32ab0788eb4e2b5db1a7042e4cb7c5ae57274e044b131e1cbbb2e9b3b","abstract_canon_sha256":"64965e061d217cb5ceb758e6b65148cc392424ee4a42df4a938532332595bf66"},"schema_version":"1.0"},"canonical_sha256":"cbf9c554119f999790cfb9e8c580cd02f83f58ce66389af9a46d3672a1ce7d3e","source":{"kind":"arxiv","id":"1802.07671","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07671","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07671v1","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07671","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"ZP44KVART6MZ","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZP44KVART6MZPEGP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZP44KVAR","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZP44KVART6MZPEGPXHUMLAGNAL","target":"record","payload":{"canonical_record":{"source":{"id":"1802.07671","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-21T17:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"070c3de32ab0788eb4e2b5db1a7042e4cb7c5ae57274e044b131e1cbbb2e9b3b","abstract_canon_sha256":"64965e061d217cb5ceb758e6b65148cc392424ee4a42df4a938532332595bf66"},"schema_version":"1.0"},"canonical_sha256":"cbf9c554119f999790cfb9e8c580cd02f83f58ce66389af9a46d3672a1ce7d3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:49.663288Z","signature_b64":"THSLiHnS6YpSug3nAihaV4vwuullfot37blccG5RlwiyvL9X9YIGkR0Vkcntsa7jwv96CfZnzYAffDbK+0iaAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbf9c554119f999790cfb9e8c580cd02f83f58ce66389af9a46d3672a1ce7d3e","last_reissued_at":"2026-05-18T00:22:49.662848Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:49.662848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.07671","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":"2026-05-18T00:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojzpVC7ZfsWRpxMJGCOtIPlIlI9AlTw+QmXHVEj7aM1ZdeCUxpys8pF/kTvBSMW2uHemQWBj6nclY3B9EAHDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:55:00.727957Z"},"content_sha256":"0b1f555d98def32ec69f90a05f1ffcb8d83555dd5dedcca458aeeb8831d1307d","schema_version":"1.0","event_id":"sha256:0b1f555d98def32ec69f90a05f1ffcb8d83555dd5dedcca458aeeb8831d1307d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZP44KVART6MZPEGPXHUMLAGNAL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stokes waves with constant vorticity: I. numerical computation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Sergey A. Dyachenko, Vera Mikyoung Hur","submitted_at":"2018-02-21T17:10:32Z","abstract_excerpt":"Periodic traveling waves are numerically computed in a constant vorticity flow subject to the force of gravity. The Stokes wave problem is formulated via a conformal mapping as a nonlinear pseudo-differential equation, involving a periodic Hilbert transform for a strip, and solved by the Newton-GMRES method. It works well with a fast Fourier transform and is more effective than a boundary integral method. The result is in excellent agreement, qualitatively and quantitatively, with earlier ones.\n  For strong positive vorticity, in the finite or infinite depth, overhanging profiles are found as "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07671","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":"2026-05-18T00:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ui+OMhtgF1/hE64pnMKdyi4S35nl/FOfmk3MEHfBDCb5XI9nUeuLbDBdojeCHX67zsIlhOSz0L7sHNN2/EsWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:55:00.728292Z"},"content_sha256":"4b7f2844c6a5f9f48d007a1988dd1201b423500793f19ef8d0ae7438bd451fe8","schema_version":"1.0","event_id":"sha256:4b7f2844c6a5f9f48d007a1988dd1201b423500793f19ef8d0ae7438bd451fe8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZP44KVART6MZPEGPXHUMLAGNAL/bundle.json","state_url":"https://pith.science/pith/ZP44KVART6MZPEGPXHUMLAGNAL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZP44KVART6MZPEGPXHUMLAGNAL/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":"2026-06-21T22:55:00Z","links":{"resolver":"https://pith.science/pith/ZP44KVART6MZPEGPXHUMLAGNAL","bundle":"https://pith.science/pith/ZP44KVART6MZPEGPXHUMLAGNAL/bundle.json","state":"https://pith.science/pith/ZP44KVART6MZPEGPXHUMLAGNAL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZP44KVART6MZPEGPXHUMLAGNAL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZP44KVART6MZPEGPXHUMLAGNAL","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":"64965e061d217cb5ceb758e6b65148cc392424ee4a42df4a938532332595bf66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-21T17:10:32Z","title_canon_sha256":"070c3de32ab0788eb4e2b5db1a7042e4cb7c5ae57274e044b131e1cbbb2e9b3b"},"schema_version":"1.0","source":{"id":"1802.07671","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07671","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07671v1","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07671","created_at":"2026-05-18T00:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"ZP44KVART6MZ","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZP44KVART6MZPEGP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZP44KVAR","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:4b7f2844c6a5f9f48d007a1988dd1201b423500793f19ef8d0ae7438bd451fe8","target":"graph","created_at":"2026-05-18T00:22:49Z","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":"Periodic traveling waves are numerically computed in a constant vorticity flow subject to the force of gravity. The Stokes wave problem is formulated via a conformal mapping as a nonlinear pseudo-differential equation, involving a periodic Hilbert transform for a strip, and solved by the Newton-GMRES method. It works well with a fast Fourier transform and is more effective than a boundary integral method. The result is in excellent agreement, qualitatively and quantitatively, with earlier ones.\n  For strong positive vorticity, in the finite or infinite depth, overhanging profiles are found as ","authors_text":"Sergey A. Dyachenko, Vera Mikyoung Hur","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-21T17:10:32Z","title":"Stokes waves with constant vorticity: I. numerical computation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07671","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":"sha256:0b1f555d98def32ec69f90a05f1ffcb8d83555dd5dedcca458aeeb8831d1307d","target":"record","created_at":"2026-05-18T00:22:49Z","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":"64965e061d217cb5ceb758e6b65148cc392424ee4a42df4a938532332595bf66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-21T17:10:32Z","title_canon_sha256":"070c3de32ab0788eb4e2b5db1a7042e4cb7c5ae57274e044b131e1cbbb2e9b3b"},"schema_version":"1.0","source":{"id":"1802.07671","kind":"arxiv","version":1}},"canonical_sha256":"cbf9c554119f999790cfb9e8c580cd02f83f58ce66389af9a46d3672a1ce7d3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbf9c554119f999790cfb9e8c580cd02f83f58ce66389af9a46d3672a1ce7d3e","first_computed_at":"2026-05-18T00:22:49.662848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:49.662848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"THSLiHnS6YpSug3nAihaV4vwuullfot37blccG5RlwiyvL9X9YIGkR0Vkcntsa7jwv96CfZnzYAffDbK+0iaAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:49.663288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.07671","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b1f555d98def32ec69f90a05f1ffcb8d83555dd5dedcca458aeeb8831d1307d","sha256:4b7f2844c6a5f9f48d007a1988dd1201b423500793f19ef8d0ae7438bd451fe8"],"state_sha256":"11c4e98c671ffff26cfcbb567b2afa9fbf845d5172c5f9f558125e2b76b772b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fmNba3PvtodkGXhbjPeREvqk+uJelmuXYb2ZE4nDv4kXJB9rIrsUSEEOiWHJRU9QLTfHnRQ+HeIS4GtCu2G7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T22:55:00.730387Z","bundle_sha256":"ee67e4a8998bd540ce39a805d4174ff2bb80c9a0ffedf9449bfed5d5a0938427"}}