{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4OTGYK7EKRZAVAM6QW6C3I7ZQN","short_pith_number":"pith:4OTGYK7E","canonical_record":{"source":{"id":"1408.2471","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-08-08T07:48:39Z","cross_cats_sorted":["math-ph","math.AP","math.MP"],"title_canon_sha256":"61334d3f62726f637475dca94a926df12acc2d395989593d15b4670c2cf0eb3d","abstract_canon_sha256":"c2326b836ddf73dbafd2a28d77492b711261d722fc42192603f0de4159ec71fa"},"schema_version":"1.0"},"canonical_sha256":"e3a66c2be454720a819e85bc2da3f9837cd3e1e27aa7f518598d391dcc95b246","source":{"kind":"arxiv","id":"1408.2471","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2471","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2471v1","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2471","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"pith_short_12","alias_value":"4OTGYK7EKRZA","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4OTGYK7EKRZAVAM6","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4OTGYK7E","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4OTGYK7EKRZAVAM6QW6C3I7ZQN","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2471","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-08-08T07:48:39Z","cross_cats_sorted":["math-ph","math.AP","math.MP"],"title_canon_sha256":"61334d3f62726f637475dca94a926df12acc2d395989593d15b4670c2cf0eb3d","abstract_canon_sha256":"c2326b836ddf73dbafd2a28d77492b711261d722fc42192603f0de4159ec71fa"},"schema_version":"1.0"},"canonical_sha256":"e3a66c2be454720a819e85bc2da3f9837cd3e1e27aa7f518598d391dcc95b246","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:29.278397Z","signature_b64":"/wSODjNxjNcpuApVEoA6XJ99dts+maZ/cOTluLX7OIIR35y4kk3OXf/UA0k2ehOxuosPwGyi/KvFp+Y/N/RKBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3a66c2be454720a819e85bc2da3f9837cd3e1e27aa7f518598d391dcc95b246","last_reissued_at":"2026-05-18T02:45:29.277838Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:29.277838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2471","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":"2026-05-18T02:45:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t/c3R7A/gNY8WFOsnEKzqJcIT/qqx9LywbxQhCOYKA4U89wPSU6XoajmTKhdiGNjAtnIhuuSFx/SxRQJJ0opDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:38:02.943233Z"},"content_sha256":"709fa370d1d57d55b84925c35efb75410713b7472b165a9994d88ebe4b24144f","schema_version":"1.0","event_id":"sha256:709fa370d1d57d55b84925c35efb75410713b7472b165a9994d88ebe4b24144f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4OTGYK7EKRZAVAM6QW6C3I7ZQN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A penalization method for calculating the flow beneath travelling water waves of large amplitude","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.AP","math.MP"],"primary_cat":"physics.flu-dyn","authors_text":"Adrian Constantin, Konstantinos Kalimeris, Otmar Scherzer","submitted_at":"2014-08-08T07:48:39Z","abstract_excerpt":"A penalization method for a suitable reformulation of the governing equations as a constrained optimization problem provides accurate numerical simulations for large-amplitude travelling water waves in irrotational flows and in flows with constant vorticity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2471","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":"2026-05-18T02:45:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qm3DL8Op8fHQumWw+0n14eNWg4haWMj1WySJmICw3bJy587zDPDVfw8rEw4dSvYEr5KeRhGv7CEqANzp+8qXCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:38:02.943928Z"},"content_sha256":"ab5b05cd6dc29511c1253db70f81ee59df7e3bcf333e3ac74662d019e1fbc532","schema_version":"1.0","event_id":"sha256:ab5b05cd6dc29511c1253db70f81ee59df7e3bcf333e3ac74662d019e1fbc532"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/bundle.json","state_url":"https://pith.science/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/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":"2026-05-31T03:38:02Z","links":{"resolver":"https://pith.science/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN","bundle":"https://pith.science/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/bundle.json","state":"https://pith.science/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4OTGYK7EKRZAVAM6QW6C3I7ZQN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4OTGYK7EKRZAVAM6QW6C3I7ZQN","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":"c2326b836ddf73dbafd2a28d77492b711261d722fc42192603f0de4159ec71fa","cross_cats_sorted":["math-ph","math.AP","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-08-08T07:48:39Z","title_canon_sha256":"61334d3f62726f637475dca94a926df12acc2d395989593d15b4670c2cf0eb3d"},"schema_version":"1.0","source":{"id":"1408.2471","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2471","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2471v1","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2471","created_at":"2026-05-18T02:45:29Z"},{"alias_kind":"pith_short_12","alias_value":"4OTGYK7EKRZA","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4OTGYK7EKRZAVAM6","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4OTGYK7E","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:ab5b05cd6dc29511c1253db70f81ee59df7e3bcf333e3ac74662d019e1fbc532","target":"graph","created_at":"2026-05-18T02:45:29Z","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":"A penalization method for a suitable reformulation of the governing equations as a constrained optimization problem provides accurate numerical simulations for large-amplitude travelling water waves in irrotational flows and in flows with constant vorticity.","authors_text":"Adrian Constantin, Konstantinos Kalimeris, Otmar Scherzer","cross_cats":["math-ph","math.AP","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-08-08T07:48:39Z","title":"A penalization method for calculating the flow beneath travelling water waves of large amplitude"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2471","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":"sha256:709fa370d1d57d55b84925c35efb75410713b7472b165a9994d88ebe4b24144f","target":"record","created_at":"2026-05-18T02:45:29Z","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":"c2326b836ddf73dbafd2a28d77492b711261d722fc42192603f0de4159ec71fa","cross_cats_sorted":["math-ph","math.AP","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-08-08T07:48:39Z","title_canon_sha256":"61334d3f62726f637475dca94a926df12acc2d395989593d15b4670c2cf0eb3d"},"schema_version":"1.0","source":{"id":"1408.2471","kind":"arxiv","version":1}},"canonical_sha256":"e3a66c2be454720a819e85bc2da3f9837cd3e1e27aa7f518598d391dcc95b246","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3a66c2be454720a819e85bc2da3f9837cd3e1e27aa7f518598d391dcc95b246","first_computed_at":"2026-05-18T02:45:29.277838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:29.277838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/wSODjNxjNcpuApVEoA6XJ99dts+maZ/cOTluLX7OIIR35y4kk3OXf/UA0k2ehOxuosPwGyi/KvFp+Y/N/RKBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:29.278397Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2471","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:709fa370d1d57d55b84925c35efb75410713b7472b165a9994d88ebe4b24144f","sha256:ab5b05cd6dc29511c1253db70f81ee59df7e3bcf333e3ac74662d019e1fbc532"],"state_sha256":"6f48ec0d1ac368bff0104b1c4357a1e826ded8e8e86c767b8d01a9d07ad49e4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilb3vj88u2DJvZIow1bjLx9GzQSXNzj7SxmHS0IWNtyrJ54V8GtFo18D3qJwPHru/fE637LbcmEsIUbJVFFDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:38:02.947829Z","bundle_sha256":"bc2cda68a7839bd2cb5f6e90d9c09f1903891fe7d488cb1fe9190bd0e1b65f08"}}