{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CIBS4O55G6Y6QTQ6CZ3EJNWVHJ","short_pith_number":"pith:CIBS4O55","canonical_record":{"source":{"id":"1609.05098","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-09-16T15:01:52Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"8c2e01793412671328e3f87a2f7b1332a65a0858d157f06ec7d859a6ae55c85d","abstract_canon_sha256":"8b2c88b111807b2714eee7c0431851d09200238e7e2bbc15c4e5844796675532"},"schema_version":"1.0"},"canonical_sha256":"12032e3bbd37b1e84e1e167644b6d53a505a11bd1d3db7d0ad7c6dae3653b0b2","source":{"kind":"arxiv","id":"1609.05098","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05098","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05098v1","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05098","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"pith_short_12","alias_value":"CIBS4O55G6Y6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CIBS4O55G6Y6QTQ6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CIBS4O55","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CIBS4O55G6Y6QTQ6CZ3EJNWVHJ","target":"record","payload":{"canonical_record":{"source":{"id":"1609.05098","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-09-16T15:01:52Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"8c2e01793412671328e3f87a2f7b1332a65a0858d157f06ec7d859a6ae55c85d","abstract_canon_sha256":"8b2c88b111807b2714eee7c0431851d09200238e7e2bbc15c4e5844796675532"},"schema_version":"1.0"},"canonical_sha256":"12032e3bbd37b1e84e1e167644b6d53a505a11bd1d3db7d0ad7c6dae3653b0b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:31.550823Z","signature_b64":"4OKD5mfaEy58BH+XXOZGFOxcfumt1hWu0BOeM5ima3tqnKQ3XNExhEP5t3fKR+oU0AkPO09QbPVDttLIgWXUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12032e3bbd37b1e84e1e167644b6d53a505a11bd1d3db7d0ad7c6dae3653b0b2","last_reissued_at":"2026-05-18T01:04:31.550202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:31.550202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.05098","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":"2026-05-18T01:04:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dLL090aIMWRegtmQ6MxU8W3sAYqYrIiTFoOd780c9to1/+r+MtpP9G++5ZRrsa5QyRHUt1uMSHLJn9FyKm0LCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:52:35.757916Z"},"content_sha256":"a1168424cf8982e45db9dcc2c8f28071ba0895c23b0feb42eae84d709509e3fe","schema_version":"1.0","event_id":"sha256:a1168424cf8982e45db9dcc2c8f28071ba0895c23b0feb42eae84d709509e3fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CIBS4O55G6Y6QTQ6CZ3EJNWVHJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weather instabilities as a warning sign for a nearby climatic tipping point?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.AO"],"primary_cat":"physics.ao-ph","authors_text":"Francois Louchet","submitted_at":"2016-09-16T15:01:52Z","abstract_excerpt":"Using in a simple way the theory of non linear dynamical systems, we show that increasing climatic instabilities may be a qualitative warning sign for the occurrence of a nearby bifurcation, yielding a discontinuous and sudden climate tipping towards an unknown and unpredictable state. The possibility of an accurate prediction of the occurrence time of such a transition is also discussed in terms of the approach of a critical point."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05098","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":"2026-05-18T01:04:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7qhB49T60R6mQzdQNYWCxMLPpO4LDEEWhS21bB5q95V2UYE0flmKKrNNHQrP6KKlA6P3QhXlXfj6GacpWGs6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:52:35.758260Z"},"content_sha256":"8875e04482368a5dd26d1e44ae0ee41895125b80000792c0f8266495d14746a0","schema_version":"1.0","event_id":"sha256:8875e04482368a5dd26d1e44ae0ee41895125b80000792c0f8266495d14746a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/bundle.json","state_url":"https://pith.science/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/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":"2026-06-20T10:52:35Z","links":{"resolver":"https://pith.science/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ","bundle":"https://pith.science/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/bundle.json","state":"https://pith.science/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CIBS4O55G6Y6QTQ6CZ3EJNWVHJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CIBS4O55G6Y6QTQ6CZ3EJNWVHJ","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":"8b2c88b111807b2714eee7c0431851d09200238e7e2bbc15c4e5844796675532","cross_cats_sorted":["nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-09-16T15:01:52Z","title_canon_sha256":"8c2e01793412671328e3f87a2f7b1332a65a0858d157f06ec7d859a6ae55c85d"},"schema_version":"1.0","source":{"id":"1609.05098","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05098","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05098v1","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05098","created_at":"2026-05-18T01:04:31Z"},{"alias_kind":"pith_short_12","alias_value":"CIBS4O55G6Y6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CIBS4O55G6Y6QTQ6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CIBS4O55","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:8875e04482368a5dd26d1e44ae0ee41895125b80000792c0f8266495d14746a0","target":"graph","created_at":"2026-05-18T01:04:31Z","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":"Using in a simple way the theory of non linear dynamical systems, we show that increasing climatic instabilities may be a qualitative warning sign for the occurrence of a nearby bifurcation, yielding a discontinuous and sudden climate tipping towards an unknown and unpredictable state. The possibility of an accurate prediction of the occurrence time of such a transition is also discussed in terms of the approach of a critical point.","authors_text":"Francois Louchet","cross_cats":["nlin.AO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-09-16T15:01:52Z","title":"Weather instabilities as a warning sign for a nearby climatic tipping point?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05098","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:a1168424cf8982e45db9dcc2c8f28071ba0895c23b0feb42eae84d709509e3fe","target":"record","created_at":"2026-05-18T01:04:31Z","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":"8b2c88b111807b2714eee7c0431851d09200238e7e2bbc15c4e5844796675532","cross_cats_sorted":["nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2016-09-16T15:01:52Z","title_canon_sha256":"8c2e01793412671328e3f87a2f7b1332a65a0858d157f06ec7d859a6ae55c85d"},"schema_version":"1.0","source":{"id":"1609.05098","kind":"arxiv","version":1}},"canonical_sha256":"12032e3bbd37b1e84e1e167644b6d53a505a11bd1d3db7d0ad7c6dae3653b0b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12032e3bbd37b1e84e1e167644b6d53a505a11bd1d3db7d0ad7c6dae3653b0b2","first_computed_at":"2026-05-18T01:04:31.550202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:31.550202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4OKD5mfaEy58BH+XXOZGFOxcfumt1hWu0BOeM5ima3tqnKQ3XNExhEP5t3fKR+oU0AkPO09QbPVDttLIgWXUAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:31.550823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05098","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1168424cf8982e45db9dcc2c8f28071ba0895c23b0feb42eae84d709509e3fe","sha256:8875e04482368a5dd26d1e44ae0ee41895125b80000792c0f8266495d14746a0"],"state_sha256":"7be88584bacf64d74646ad92036848f371452482eae68cbe6d155abca76f2843"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ovyzW7YwRx5ZzmtVn8pv+74W3kNmqDRw94xeTFjwd1VpoKxm6ntSU9vmI1svdI7oru25WcnY+/q0OwMhPnFGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T10:52:35.760255Z","bundle_sha256":"af793f233091fa487b9f640210de4c3c59f8700f1c7370e802f0e92259db9d7e"}}