{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TPHHNXDD4T3UJQZDNZ7V5USOVM","short_pith_number":"pith:TPHHNXDD","canonical_record":{"source":{"id":"2303.12521","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2023-03-22T12:54:01Z","cross_cats_sorted":[],"title_canon_sha256":"35efa59706a213ffac428999c4987dd5eda333d3914b351f9b19a9400110c15c","abstract_canon_sha256":"31044c18ac05ad8dfa2052525008d46401585b5eab38dd38da5d5e7fd334fe17"},"schema_version":"1.0"},"canonical_sha256":"9bce76dc63e4f744c3236e7f5ed24eab0439d2cc246f5ce2096ad74c981a2045","source":{"kind":"arxiv","id":"2303.12521","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12521","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12521v1","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12521","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"TPHHNXDD4T3U","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"TPHHNXDD4T3UJQZD","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"TPHHNXDD","created_at":"2026-07-05T05:53:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TPHHNXDD4T3UJQZDNZ7V5USOVM","target":"record","payload":{"canonical_record":{"source":{"id":"2303.12521","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2023-03-22T12:54:01Z","cross_cats_sorted":[],"title_canon_sha256":"35efa59706a213ffac428999c4987dd5eda333d3914b351f9b19a9400110c15c","abstract_canon_sha256":"31044c18ac05ad8dfa2052525008d46401585b5eab38dd38da5d5e7fd334fe17"},"schema_version":"1.0"},"canonical_sha256":"9bce76dc63e4f744c3236e7f5ed24eab0439d2cc246f5ce2096ad74c981a2045","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:53:42.603137Z","signature_b64":"NEs3LP43I2OK1Jwqe07Qe2JXfMOTg809KzvcCRhaqWao2wseyXWej6RSCqFnMfgf+CrDlEqvW0rpEATkjREYDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9bce76dc63e4f744c3236e7f5ed24eab0439d2cc246f5ce2096ad74c981a2045","last_reissued_at":"2026-07-05T05:53:42.602690Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:53:42.602690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.12521","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":"2026-07-05T05:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BUrkDT950+ASQQwssJqNjMhrkLzp1+JEp1+nJdfPyKoskKB9ky6GCLc3clDvR72pUBu0MjqFlkMV+JN8MkNuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:38:37.973315Z"},"content_sha256":"a586e01e7809924e859e05f6de0cd5cf974fa0b78c12f1124740a793529e9b56","schema_version":"1.0","event_id":"sha256:a586e01e7809924e859e05f6de0cd5cf974fa0b78c12f1124740a793529e9b56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TPHHNXDD4T3UJQZDNZ7V5USOVM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Fundamental Patterns of Sea Surface Temperature","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ao-ph","authors_text":"(2) University of Rhode Island, (3) University of Massachusetts, Christian E. Buckingham (3) ((1) University of California, Dartmouth), Erdong Guo (1), J. Xavier Prochaska (1), Peter C. Cornillon (2), Santa Cruz","submitted_at":"2023-03-22T12:54:01Z","abstract_excerpt":"For over 40 years, remote sensing observations of the Earth's oceans have yielded global measurements of sea surface temperature (SST). With a resolution of approximately 1km, these data trace physical processes like western boundary currents, cool upwelling at eastern boundary currents, and the formation of mesoscale and sub-mesoscale eddies. To discover the fundamental patterns of SST on scales smaller than 10km, we developed an unsupervised, deep contrastive learning model named Nenya. We trained Nenya on a subset of 8 million cloud-free cutout images (~80x80km^2) from the MODIS sensor, wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12521","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/2303.12521/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":"2026-07-05T05:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WJnDG84Q/rVOyrkOJLPCJe1pW4reu+XYXLovtRcz15Vw053lCi6dxfn+alqOBr/4I+MiHHlYCPhWj+uHjv3+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:38:37.973822Z"},"content_sha256":"fcbe5ed6a916d34f0f97add2829ad4cb3fb28902869127b9e2934040a93ccc0f","schema_version":"1.0","event_id":"sha256:fcbe5ed6a916d34f0f97add2829ad4cb3fb28902869127b9e2934040a93ccc0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/bundle.json","state_url":"https://pith.science/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/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":"2026-08-04T08:38:37Z","links":{"resolver":"https://pith.science/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM","bundle":"https://pith.science/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/bundle.json","state":"https://pith.science/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TPHHNXDD4T3UJQZDNZ7V5USOVM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TPHHNXDD4T3UJQZDNZ7V5USOVM","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":"31044c18ac05ad8dfa2052525008d46401585b5eab38dd38da5d5e7fd334fe17","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2023-03-22T12:54:01Z","title_canon_sha256":"35efa59706a213ffac428999c4987dd5eda333d3914b351f9b19a9400110c15c"},"schema_version":"1.0","source":{"id":"2303.12521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12521","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12521v1","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12521","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"TPHHNXDD4T3U","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"TPHHNXDD4T3UJQZD","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"TPHHNXDD","created_at":"2026-07-05T05:53:42Z"}],"graph_snapshots":[{"event_id":"sha256:fcbe5ed6a916d34f0f97add2829ad4cb3fb28902869127b9e2934040a93ccc0f","target":"graph","created_at":"2026-07-05T05:53:42Z","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/2303.12521/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For over 40 years, remote sensing observations of the Earth's oceans have yielded global measurements of sea surface temperature (SST). With a resolution of approximately 1km, these data trace physical processes like western boundary currents, cool upwelling at eastern boundary currents, and the formation of mesoscale and sub-mesoscale eddies. To discover the fundamental patterns of SST on scales smaller than 10km, we developed an unsupervised, deep contrastive learning model named Nenya. We trained Nenya on a subset of 8 million cloud-free cutout images (~80x80km^2) from the MODIS sensor, wit","authors_text":"(2) University of Rhode Island, (3) University of Massachusetts, Christian E. Buckingham (3) ((1) University of California, Dartmouth), Erdong Guo (1), J. Xavier Prochaska (1), Peter C. Cornillon (2), Santa Cruz","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2023-03-22T12:54:01Z","title":"The Fundamental Patterns of Sea Surface Temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12521","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:a586e01e7809924e859e05f6de0cd5cf974fa0b78c12f1124740a793529e9b56","target":"record","created_at":"2026-07-05T05:53:42Z","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":"31044c18ac05ad8dfa2052525008d46401585b5eab38dd38da5d5e7fd334fe17","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ao-ph","submitted_at":"2023-03-22T12:54:01Z","title_canon_sha256":"35efa59706a213ffac428999c4987dd5eda333d3914b351f9b19a9400110c15c"},"schema_version":"1.0","source":{"id":"2303.12521","kind":"arxiv","version":1}},"canonical_sha256":"9bce76dc63e4f744c3236e7f5ed24eab0439d2cc246f5ce2096ad74c981a2045","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bce76dc63e4f744c3236e7f5ed24eab0439d2cc246f5ce2096ad74c981a2045","first_computed_at":"2026-07-05T05:53:42.602690Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:53:42.602690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NEs3LP43I2OK1Jwqe07Qe2JXfMOTg809KzvcCRhaqWao2wseyXWej6RSCqFnMfgf+CrDlEqvW0rpEATkjREYDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:53:42.603137Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.12521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a586e01e7809924e859e05f6de0cd5cf974fa0b78c12f1124740a793529e9b56","sha256:fcbe5ed6a916d34f0f97add2829ad4cb3fb28902869127b9e2934040a93ccc0f"],"state_sha256":"a30a9d2ff146f317dd9b17fe4a2652a9f293ba12909e6d9e048d0a0db54660bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GrzFq5inn4eOphbdFA3ypMZfN6a4DYb9T834co1+c4Bj4Cwvs3d9KwjB3VfLPeXnMc7wuMnZlIaRzwJluC0EAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:38:37.977740Z","bundle_sha256":"9e39ab60419a14e3fc6884369498119b3d8d95f72a92dbdc97d5300d48e608cd"}}