{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:O5BS74IBYFCNZMOBFPWZVITXYY","short_pith_number":"pith:O5BS74IB","canonical_record":{"source":{"id":"physics/0608077","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ao-ph","submitted_at":"2006-08-07T18:17:24Z","cross_cats_sorted":[],"title_canon_sha256":"d47cc6d2befb0ade35246b1050abb71c36c19e45e265b52192ceedd5f0f8f762","abstract_canon_sha256":"34d82632bbd6f8b5efd9838a6e9b574db7b185aae9c74a16554d6ff59eb944cc"},"schema_version":"1.0"},"canonical_sha256":"77432ff101c144dcb1c12bed9aa277c6258d217f6daeeaddcb4fae1875bb938a","source":{"kind":"arxiv","id":"physics/0608077","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0608077","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0608077v1","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0608077","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"pith_short_12","alias_value":"O5BS74IBYFCN","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"O5BS74IBYFCNZMOB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"O5BS74IB","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:O5BS74IBYFCNZMOBFPWZVITXYY","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0608077","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ao-ph","submitted_at":"2006-08-07T18:17:24Z","cross_cats_sorted":[],"title_canon_sha256":"d47cc6d2befb0ade35246b1050abb71c36c19e45e265b52192ceedd5f0f8f762","abstract_canon_sha256":"34d82632bbd6f8b5efd9838a6e9b574db7b185aae9c74a16554d6ff59eb944cc"},"schema_version":"1.0"},"canonical_sha256":"77432ff101c144dcb1c12bed9aa277c6258d217f6daeeaddcb4fae1875bb938a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:06.726853Z","signature_b64":"irOST1WYZkAW8FXPyyw2UXoghQMDig/yBoSUJvTRlqLvFUViHS7iFTCMZ+FPUPrkY0SQ8b27ihnsJsh8g21UAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77432ff101c144dcb1c12bed9aa277c6258d217f6daeeaddcb4fae1875bb938a","last_reissued_at":"2026-05-18T01:38:06.726321Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:06.726321Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0608077","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":"2026-05-18T01:38:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPq2CmHTnx6D8aAYjAn2yG7UJeoRkAkHJ3QRSrSNeqC3SOn9jQpvtd4jX5DFETN4W9reXIgzy0XFhWntTmhMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T05:27:54.748406Z"},"content_sha256":"68776c3507b962ee9b8689cdbcd1f0fdc5ee925f2d220ad191ba8d8e3c811659","schema_version":"1.0","event_id":"sha256:68776c3507b962ee9b8689cdbcd1f0fdc5ee925f2d220ad191ba8d8e3c811659"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:O5BS74IBYFCNZMOBFPWZVITXYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Persistent Transport Barrier on the West Florida Shelf","license":"","headline":"","cross_cats":[],"primary_cat":"physics.ao-ph","authors_text":"F. J. Beron-Vera, G. R. Halliwell, H. Ko\\c{c}ak, I. I. Rypina, L. E. Brand, L. K. Shay, M. G. Brown, M. J. Olascoaga","submitted_at":"2006-08-07T18:17:24Z","abstract_excerpt":"Analysis of drifter trajectories in the Gulf of Mexico has revealed the existence of a region on the southern portion of the West Florida Shelf (WFS) that is not visited by drifters that are released outside of the region. This so-called ``forbidden zone'' (FZ) suggests the existence of a persistent cross-shelf transport barrier on the southern portion of the WFS. In this letter a year-long record of surface currents produced by a Hybrid-Coordinate Ocean Model simulation of the WFS is used to identify Lagrangian coherent structures (LCSs), which reveal the presence of a robust and persistent c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0608077","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":"2026-05-18T01:38:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYYl87EvMqP+nSsRAWmrWTqcFhe+i8qmLme7z0BU+djhC9cIvkAlfQL6y5i3PWrlKrUwQYYLt8fguRcSB2ADCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T05:27:54.748754Z"},"content_sha256":"a647b3e4a2e53cc480eb4d475049c0cdbafebdd97b8aa9bc6e29c3d84dbcd4b3","schema_version":"1.0","event_id":"sha256:a647b3e4a2e53cc480eb4d475049c0cdbafebdd97b8aa9bc6e29c3d84dbcd4b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O5BS74IBYFCNZMOBFPWZVITXYY/bundle.json","state_url":"https://pith.science/pith/O5BS74IBYFCNZMOBFPWZVITXYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O5BS74IBYFCNZMOBFPWZVITXYY/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":"2026-06-21T05:27:54Z","links":{"resolver":"https://pith.science/pith/O5BS74IBYFCNZMOBFPWZVITXYY","bundle":"https://pith.science/pith/O5BS74IBYFCNZMOBFPWZVITXYY/bundle.json","state":"https://pith.science/pith/O5BS74IBYFCNZMOBFPWZVITXYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O5BS74IBYFCNZMOBFPWZVITXYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:O5BS74IBYFCNZMOBFPWZVITXYY","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":"34d82632bbd6f8b5efd9838a6e9b574db7b185aae9c74a16554d6ff59eb944cc","cross_cats_sorted":[],"license":"","primary_cat":"physics.ao-ph","submitted_at":"2006-08-07T18:17:24Z","title_canon_sha256":"d47cc6d2befb0ade35246b1050abb71c36c19e45e265b52192ceedd5f0f8f762"},"schema_version":"1.0","source":{"id":"physics/0608077","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0608077","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0608077v1","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0608077","created_at":"2026-05-18T01:38:06Z"},{"alias_kind":"pith_short_12","alias_value":"O5BS74IBYFCN","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"O5BS74IBYFCNZMOB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"O5BS74IB","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:a647b3e4a2e53cc480eb4d475049c0cdbafebdd97b8aa9bc6e29c3d84dbcd4b3","target":"graph","created_at":"2026-05-18T01:38:06Z","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":"Analysis of drifter trajectories in the Gulf of Mexico has revealed the existence of a region on the southern portion of the West Florida Shelf (WFS) that is not visited by drifters that are released outside of the region. This so-called ``forbidden zone'' (FZ) suggests the existence of a persistent cross-shelf transport barrier on the southern portion of the WFS. In this letter a year-long record of surface currents produced by a Hybrid-Coordinate Ocean Model simulation of the WFS is used to identify Lagrangian coherent structures (LCSs), which reveal the presence of a robust and persistent c","authors_text":"F. J. Beron-Vera, G. R. Halliwell, H. Ko\\c{c}ak, I. I. Rypina, L. E. Brand, L. K. Shay, M. G. Brown, M. J. Olascoaga","cross_cats":[],"headline":"","license":"","primary_cat":"physics.ao-ph","submitted_at":"2006-08-07T18:17:24Z","title":"Persistent Transport Barrier on the West Florida Shelf"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0608077","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":"sha256:68776c3507b962ee9b8689cdbcd1f0fdc5ee925f2d220ad191ba8d8e3c811659","target":"record","created_at":"2026-05-18T01:38:06Z","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":"34d82632bbd6f8b5efd9838a6e9b574db7b185aae9c74a16554d6ff59eb944cc","cross_cats_sorted":[],"license":"","primary_cat":"physics.ao-ph","submitted_at":"2006-08-07T18:17:24Z","title_canon_sha256":"d47cc6d2befb0ade35246b1050abb71c36c19e45e265b52192ceedd5f0f8f762"},"schema_version":"1.0","source":{"id":"physics/0608077","kind":"arxiv","version":1}},"canonical_sha256":"77432ff101c144dcb1c12bed9aa277c6258d217f6daeeaddcb4fae1875bb938a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77432ff101c144dcb1c12bed9aa277c6258d217f6daeeaddcb4fae1875bb938a","first_computed_at":"2026-05-18T01:38:06.726321Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:06.726321Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"irOST1WYZkAW8FXPyyw2UXoghQMDig/yBoSUJvTRlqLvFUViHS7iFTCMZ+FPUPrkY0SQ8b27ihnsJsh8g21UAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:06.726853Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0608077","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68776c3507b962ee9b8689cdbcd1f0fdc5ee925f2d220ad191ba8d8e3c811659","sha256:a647b3e4a2e53cc480eb4d475049c0cdbafebdd97b8aa9bc6e29c3d84dbcd4b3"],"state_sha256":"5fa62773dfae1b73c201d07252c58328e66782d4b661fc5d35f17a122bf0180e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FoxoR9a8fL/QV76bZ3RpH7avJAVRP5MQTeBgaIaUu/uQRVOEpz8zaeoRJsec+Obi2t4xLWk/5wugA3pVeLY0Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T05:27:54.750668Z","bundle_sha256":"edb96b22db511963173f0de44736b6227fea283995171b51f4eeb12bb3ccc254"}}