{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:VBX4WCVINWUDSHIQFS4TQD7VAT","short_pith_number":"pith:VBX4WCVI","canonical_record":{"source":{"id":"0810.3537","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2008-10-20T11:57:04Z","cross_cats_sorted":[],"title_canon_sha256":"50d2826a5ab9ebd8654f1e9293dda2ffd72be996bc12ece80533460564943d80","abstract_canon_sha256":"cea8587b190992e785eb242fa733e62c3d391fdf9466ec0a9bec879a3f823ac5"},"schema_version":"1.0"},"canonical_sha256":"a86fcb0aa86da8391d102cb9380ff504f477df70e1226eed938fb18c66f05f7b","source":{"kind":"arxiv","id":"0810.3537","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.3537","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"0810.3537v4","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.3537","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"VBX4WCVINWUD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"VBX4WCVINWUDSHIQ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"VBX4WCVI","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:VBX4WCVINWUDSHIQFS4TQD7VAT","target":"record","payload":{"canonical_record":{"source":{"id":"0810.3537","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2008-10-20T11:57:04Z","cross_cats_sorted":[],"title_canon_sha256":"50d2826a5ab9ebd8654f1e9293dda2ffd72be996bc12ece80533460564943d80","abstract_canon_sha256":"cea8587b190992e785eb242fa733e62c3d391fdf9466ec0a9bec879a3f823ac5"},"schema_version":"1.0"},"canonical_sha256":"a86fcb0aa86da8391d102cb9380ff504f477df70e1226eed938fb18c66f05f7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:23.904553Z","signature_b64":"YKS2oTaT3a+JPbf8mgm17oQnUKufYxPG7C1oa4RRlWEub6AgDJ1JIv3ZhRu0Ft667qb/ctG56JKNT3VSj/Q+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a86fcb0aa86da8391d102cb9380ff504f477df70e1226eed938fb18c66f05f7b","last_reissued_at":"2026-05-18T02:15:23.903857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:23.903857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.3537","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h2YcrCEvWOWPrD70kiKLLRBS9AqFzn4vAVtRJn3Di+k8y1CKIh2yOnpcWVKvuttYrATl5T/pZ9uQY7YRkRYcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T11:04:02.487326Z"},"content_sha256":"6d659bd5a506c00282824f117fb040180a235139b0be0f97bc4ffc56000f9239","schema_version":"1.0","event_id":"sha256:6d659bd5a506c00282824f117fb040180a235139b0be0f97bc4ffc56000f9239"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:VBX4WCVINWUDSHIQFS4TQD7VAT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation and estimation of Lagrangian, Stokes and Eulerian currents induced by wind and waves at the sea surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ao-ph","authors_text":"Aaron Roland (IWW), Fabrice Ardhuin (SHOM), Louis Mari\\'e (LPO), Nicolas Rascle (LOS), Philippe Forget (LSEET)","submitted_at":"2008-10-20T11:57:04Z","abstract_excerpt":"The surface current response to winds is analyzed in a two-year time series of a 12 MHz (HF) Wellen Radar (WERA) off the West coast of France. The measured currents, with tides filtered out, are of the order of 1.0 to 1.8% of the wind speed, in a direction 10 to 40 degrees to the right of the wind. This Lagrangian current can be decomposed as the vector sum of a quasi-Eulerian current U_E, representative of the top 1 m of the water column, and a part of the wave-induced Stokes drift Uss at the sea surface. Here Uss is estimated with an accurate numerical wave model, thanks to a novel parameter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.3537","kind":"arxiv","version":4},"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":"2026-05-18T02:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8FE8Q3EFESlam35czL1upKHbAAE3UYeum8aGK1z5oLY78fVlS/33PZNzm1XoH26+5Xrg7aEcNj84TaeWrB2tCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T11:04:02.487686Z"},"content_sha256":"bb6518955c60614bdb11a4d66357dbca47705ac83bf7192bd8d77424784926b9","schema_version":"1.0","event_id":"sha256:bb6518955c60614bdb11a4d66357dbca47705ac83bf7192bd8d77424784926b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/bundle.json","state_url":"https://pith.science/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/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":"2026-06-23T11:04:02Z","links":{"resolver":"https://pith.science/pith/VBX4WCVINWUDSHIQFS4TQD7VAT","bundle":"https://pith.science/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/bundle.json","state":"https://pith.science/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBX4WCVINWUDSHIQFS4TQD7VAT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:VBX4WCVINWUDSHIQFS4TQD7VAT","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":"cea8587b190992e785eb242fa733e62c3d391fdf9466ec0a9bec879a3f823ac5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2008-10-20T11:57:04Z","title_canon_sha256":"50d2826a5ab9ebd8654f1e9293dda2ffd72be996bc12ece80533460564943d80"},"schema_version":"1.0","source":{"id":"0810.3537","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.3537","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"0810.3537v4","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.3537","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"VBX4WCVINWUD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"VBX4WCVINWUDSHIQ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"VBX4WCVI","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:bb6518955c60614bdb11a4d66357dbca47705ac83bf7192bd8d77424784926b9","target":"graph","created_at":"2026-05-18T02:15:23Z","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 surface current response to winds is analyzed in a two-year time series of a 12 MHz (HF) Wellen Radar (WERA) off the West coast of France. The measured currents, with tides filtered out, are of the order of 1.0 to 1.8% of the wind speed, in a direction 10 to 40 degrees to the right of the wind. This Lagrangian current can be decomposed as the vector sum of a quasi-Eulerian current U_E, representative of the top 1 m of the water column, and a part of the wave-induced Stokes drift Uss at the sea surface. Here Uss is estimated with an accurate numerical wave model, thanks to a novel parameter","authors_text":"Aaron Roland (IWW), Fabrice Ardhuin (SHOM), Louis Mari\\'e (LPO), Nicolas Rascle (LOS), Philippe Forget (LSEET)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2008-10-20T11:57:04Z","title":"Observation and estimation of Lagrangian, Stokes and Eulerian currents induced by wind and waves at the sea surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.3537","kind":"arxiv","version":4},"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":"sha256:6d659bd5a506c00282824f117fb040180a235139b0be0f97bc4ffc56000f9239","target":"record","created_at":"2026-05-18T02:15:23Z","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":"cea8587b190992e785eb242fa733e62c3d391fdf9466ec0a9bec879a3f823ac5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2008-10-20T11:57:04Z","title_canon_sha256":"50d2826a5ab9ebd8654f1e9293dda2ffd72be996bc12ece80533460564943d80"},"schema_version":"1.0","source":{"id":"0810.3537","kind":"arxiv","version":4}},"canonical_sha256":"a86fcb0aa86da8391d102cb9380ff504f477df70e1226eed938fb18c66f05f7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a86fcb0aa86da8391d102cb9380ff504f477df70e1226eed938fb18c66f05f7b","first_computed_at":"2026-05-18T02:15:23.903857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:23.903857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YKS2oTaT3a+JPbf8mgm17oQnUKufYxPG7C1oa4RRlWEub6AgDJ1JIv3ZhRu0Ft667qb/ctG56JKNT3VSj/Q+Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:23.904553Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.3537","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d659bd5a506c00282824f117fb040180a235139b0be0f97bc4ffc56000f9239","sha256:bb6518955c60614bdb11a4d66357dbca47705ac83bf7192bd8d77424784926b9"],"state_sha256":"95efb96069f16cdd43487f34e3dd8cc356f465e9645cc53b1df9ece2ad568c6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z+bEaR7foFNIZ7rLM8eDgkJy4hWAfBIgBCpaAz28ejJpDSsuu7kFijhqssnzmUI/5cSNHBLGnhMJvwWoSY6xBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T11:04:02.489749Z","bundle_sha256":"a68dc0a0aeb3ee9a904c77791e6f0e7f3b54fefbf7db629f032afb0e51af428b"}}