{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7UA2I3CXIGTLIPVP5PETAQ5YKT","short_pith_number":"pith:7UA2I3CX","canonical_record":{"source":{"id":"2111.00124","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2021-10-29T23:56:24Z","cross_cats_sorted":["cs.CV","physics.ao-ph"],"title_canon_sha256":"3c179759c6b6a5e4c200b6383096270725823176a6a7684337853dc2576fbc26","abstract_canon_sha256":"49fa6d11a229892f2d0ac390f0fa942149660edaa729d5bc0c9e5c3e8de9a81e"},"schema_version":"1.0"},"canonical_sha256":"fd01a46c5741a6b43eafebc93043b854d807f4aa9f955dab4523b738b278f743","source":{"kind":"arxiv","id":"2111.00124","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00124","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00124v1","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00124","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_12","alias_value":"7UA2I3CXIGTL","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"7UA2I3CXIGTLIPVP","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"7UA2I3CX","created_at":"2026-07-05T03:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7UA2I3CXIGTLIPVP5PETAQ5YKT","target":"record","payload":{"canonical_record":{"source":{"id":"2111.00124","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2021-10-29T23:56:24Z","cross_cats_sorted":["cs.CV","physics.ao-ph"],"title_canon_sha256":"3c179759c6b6a5e4c200b6383096270725823176a6a7684337853dc2576fbc26","abstract_canon_sha256":"49fa6d11a229892f2d0ac390f0fa942149660edaa729d5bc0c9e5c3e8de9a81e"},"schema_version":"1.0"},"canonical_sha256":"fd01a46c5741a6b43eafebc93043b854d807f4aa9f955dab4523b738b278f743","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:38.100195Z","signature_b64":"rcUzPGMl4qcegSeDbh6EIGnwVDyZhJA36X/+n7iL33HNnRj2aMjJ31RnURqyRAWcnqYhZWcMsctmA5ewhFNvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd01a46c5741a6b43eafebc93043b854d807f4aa9f955dab4523b738b278f743","last_reissued_at":"2026-07-05T03:27:38.099743Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:38.099743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.00124","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":"2026-07-05T03:27:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Yq+HcizTalAianAuH9ZrM7eOFikqtsPT/y0SWHnDg30eAI0aGZrh/04riSr5chUudS36tbkn2KfBrcQS0qABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:50:57.751269Z"},"content_sha256":"46a00850ae38a1c928b23e0d3e31a467041c1bb79eee66cac04a29e27ca09e42","schema_version":"1.0","event_id":"sha256:46a00850ae38a1c928b23e0d3e31a467041c1bb79eee66cac04a29e27ca09e42"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7UA2I3CXIGTLIPVP5PETAQ5YKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting Atlantic Multidecadal Variability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","physics.ao-ph"],"primary_cat":"cs.LG","authors_text":"Glenn Liu, Iddo Drori, Matthew Beveridge, Peidong Wang, Young-Oh Kwon","submitted_at":"2021-10-29T23:56:24Z","abstract_excerpt":"Atlantic Multidecadal Variability (AMV) describes variations of North Atlantic sea surface temperature with a typical cycle of between 60 and 70 years. AMV strongly impacts local climate over North America and Europe, therefore prediction of AMV, especially the extreme values, is of great societal utility for understanding and responding to regional climate change. This work tests multiple machine learning models to improve the state of AMV prediction from maps of sea surface temperature, salinity, and sea level pressure in the North Atlantic region. We use data from the Community Earth System"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00124","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/2111.00124/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":"2026-07-05T03:27:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZGO3IdKnUx9i0QbldAsbYaErLxrDpQy7V8qwYJUZtRu3OC+lXmAj1M8QCCX3DJMRAIpeNWnm8/rjUFvt2zyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:50:57.751663Z"},"content_sha256":"a95b15c63d02429cef6d3ab19a93aa70a186bdc60d6c00161ca32900940775e8","schema_version":"1.0","event_id":"sha256:a95b15c63d02429cef6d3ab19a93aa70a186bdc60d6c00161ca32900940775e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/bundle.json","state_url":"https://pith.science/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/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":"2026-07-06T13:50:57Z","links":{"resolver":"https://pith.science/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT","bundle":"https://pith.science/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/bundle.json","state":"https://pith.science/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7UA2I3CXIGTLIPVP5PETAQ5YKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7UA2I3CXIGTLIPVP5PETAQ5YKT","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":"49fa6d11a229892f2d0ac390f0fa942149660edaa729d5bc0c9e5c3e8de9a81e","cross_cats_sorted":["cs.CV","physics.ao-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2021-10-29T23:56:24Z","title_canon_sha256":"3c179759c6b6a5e4c200b6383096270725823176a6a7684337853dc2576fbc26"},"schema_version":"1.0","source":{"id":"2111.00124","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00124","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00124v1","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00124","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_12","alias_value":"7UA2I3CXIGTL","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"7UA2I3CXIGTLIPVP","created_at":"2026-07-05T03:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"7UA2I3CX","created_at":"2026-07-05T03:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:a95b15c63d02429cef6d3ab19a93aa70a186bdc60d6c00161ca32900940775e8","target":"graph","created_at":"2026-07-05T03:27:38Z","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/2111.00124/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Atlantic Multidecadal Variability (AMV) describes variations of North Atlantic sea surface temperature with a typical cycle of between 60 and 70 years. AMV strongly impacts local climate over North America and Europe, therefore prediction of AMV, especially the extreme values, is of great societal utility for understanding and responding to regional climate change. This work tests multiple machine learning models to improve the state of AMV prediction from maps of sea surface temperature, salinity, and sea level pressure in the North Atlantic region. We use data from the Community Earth System","authors_text":"Glenn Liu, Iddo Drori, Matthew Beveridge, Peidong Wang, Young-Oh Kwon","cross_cats":["cs.CV","physics.ao-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2021-10-29T23:56:24Z","title":"Predicting Atlantic Multidecadal Variability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00124","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":"sha256:46a00850ae38a1c928b23e0d3e31a467041c1bb79eee66cac04a29e27ca09e42","target":"record","created_at":"2026-07-05T03:27:38Z","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":"49fa6d11a229892f2d0ac390f0fa942149660edaa729d5bc0c9e5c3e8de9a81e","cross_cats_sorted":["cs.CV","physics.ao-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2021-10-29T23:56:24Z","title_canon_sha256":"3c179759c6b6a5e4c200b6383096270725823176a6a7684337853dc2576fbc26"},"schema_version":"1.0","source":{"id":"2111.00124","kind":"arxiv","version":1}},"canonical_sha256":"fd01a46c5741a6b43eafebc93043b854d807f4aa9f955dab4523b738b278f743","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd01a46c5741a6b43eafebc93043b854d807f4aa9f955dab4523b738b278f743","first_computed_at":"2026-07-05T03:27:38.099743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:27:38.099743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rcUzPGMl4qcegSeDbh6EIGnwVDyZhJA36X/+n7iL33HNnRj2aMjJ31RnURqyRAWcnqYhZWcMsctmA5ewhFNvCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:27:38.100195Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.00124","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46a00850ae38a1c928b23e0d3e31a467041c1bb79eee66cac04a29e27ca09e42","sha256:a95b15c63d02429cef6d3ab19a93aa70a186bdc60d6c00161ca32900940775e8"],"state_sha256":"543b1b02287e49d54afad3c4695a4c39db6d359c909a8e7e27d0683c2dc4445c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dAUxWp14cPd1aNWxbJNJL8drHZP9AKo4Ng1q1m1WFGmoH4syqEaeSd7FszRqquVcjJAYE8tJPUbqFMYlrgbgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T13:50:57.753860Z","bundle_sha256":"d8274d329bd271386958699c2b3b1863e954057c12c4b8e154dd6331cb88e382"}}