{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:LOWWPGOJXZLZGMXVQETNC66LWS","short_pith_number":"pith:LOWWPGOJ","schema_version":"1.0","canonical_sha256":"5bad6799c9be579332f58126d17bcbb482a120551a50c91cdb1667f36a2d2d6d","source":{"kind":"arxiv","id":"1503.03494","version":1},"attestation_state":"computed","paper":{"title":"Millennial-scale stable oscillations between sea ice and convective deep water formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"physics.ao-ph","authors_text":"Raj Saha","submitted_at":"2015-03-11T20:30:41Z","abstract_excerpt":"During the last ice age there were several quasi-periodic abrupt warming events. The climatic effects of the so-called Dansgaard-Oeschger (DO) events were felt globally, although the North Atlantic experienced the largest and most abrupt temperature anomalies. Similar but weaker oscillations also took place during the interglacial period. This paper proposes an auto-oscillatory mechanism between sea ice and convective deep water formation in the north Atlantic as the source of the persistent cycles. A simple dynamical model is constructed by coupling and slightly modifying two existing models "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1503.03494","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2015-03-11T20:30:41Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"12cd72b093e854a76e7d6424889f5532c16ae023a603243c40160dcd5e6d13b7","abstract_canon_sha256":"bedeb85e4c6be531323faddcc94dcb8f2d7f74cf10939041b6cdc421f56c87e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:58.415308Z","signature_b64":"8XbR8aerNIgX8xv9Omv2W2M9QPODgFQs/zsL9SEJeoTivOLxh6v/BaytheTBz3KQ4qiFZsAA3buYeU8X+TvbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bad6799c9be579332f58126d17bcbb482a120551a50c91cdb1667f36a2d2d6d","last_reissued_at":"2026-05-18T02:24:58.414605Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:58.414605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Millennial-scale stable oscillations between sea ice and convective deep water formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"physics.ao-ph","authors_text":"Raj Saha","submitted_at":"2015-03-11T20:30:41Z","abstract_excerpt":"During the last ice age there were several quasi-periodic abrupt warming events. The climatic effects of the so-called Dansgaard-Oeschger (DO) events were felt globally, although the North Atlantic experienced the largest and most abrupt temperature anomalies. Similar but weaker oscillations also took place during the interglacial period. This paper proposes an auto-oscillatory mechanism between sea ice and convective deep water formation in the north Atlantic as the source of the persistent cycles. A simple dynamical model is constructed by coupling and slightly modifying two existing models "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03494","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1503.03494","created_at":"2026-05-18T02:24:58.414704+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.03494v1","created_at":"2026-05-18T02:24:58.414704+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03494","created_at":"2026-05-18T02:24:58.414704+00:00"},{"alias_kind":"pith_short_12","alias_value":"LOWWPGOJXZLZ","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_16","alias_value":"LOWWPGOJXZLZGMXV","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_8","alias_value":"LOWWPGOJ","created_at":"2026-05-18T12:29:29.992203+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS","json":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS.json","graph_json":"https://pith.science/api/pith-number/LOWWPGOJXZLZGMXVQETNC66LWS/graph.json","events_json":"https://pith.science/api/pith-number/LOWWPGOJXZLZGMXVQETNC66LWS/events.json","paper":"https://pith.science/paper/LOWWPGOJ"},"agent_actions":{"view_html":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS","download_json":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS.json","view_paper":"https://pith.science/paper/LOWWPGOJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.03494&json=true","fetch_graph":"https://pith.science/api/pith-number/LOWWPGOJXZLZGMXVQETNC66LWS/graph.json","fetch_events":"https://pith.science/api/pith-number/LOWWPGOJXZLZGMXVQETNC66LWS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS/action/storage_attestation","attest_author":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS/action/author_attestation","sign_citation":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS/action/citation_signature","submit_replication":"https://pith.science/pith/LOWWPGOJXZLZGMXVQETNC66LWS/action/replication_record"}},"created_at":"2026-05-18T02:24:58.414704+00:00","updated_at":"2026-05-18T02:24:58.414704+00:00"}