{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BPAJ246O5VF57RT7UADOQENIPA","short_pith_number":"pith:BPAJ246O","canonical_record":{"source":{"id":"1401.2034","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.AO","submitted_at":"2014-01-09T15:48:20Z","cross_cats_sorted":[],"title_canon_sha256":"026d30cff63ef6333ed59e62700d33b3cd9b857a8c49a7f855c36c7d436dca2f","abstract_canon_sha256":"b5ec1be9a4c84411e8e641274732cf84d3c9343aff7436d992a78eb7b771192b"},"schema_version":"1.0"},"canonical_sha256":"0bc09d73ceed4bdfc67fa006e811a8781d1035c5436ebec7759913b6d2a5900b","source":{"kind":"arxiv","id":"1401.2034","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2034","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2034v2","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2034","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"pith_short_12","alias_value":"BPAJ246O5VF5","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BPAJ246O5VF57RT7","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BPAJ246O","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BPAJ246O5VF57RT7UADOQENIPA","target":"record","payload":{"canonical_record":{"source":{"id":"1401.2034","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.AO","submitted_at":"2014-01-09T15:48:20Z","cross_cats_sorted":[],"title_canon_sha256":"026d30cff63ef6333ed59e62700d33b3cd9b857a8c49a7f855c36c7d436dca2f","abstract_canon_sha256":"b5ec1be9a4c84411e8e641274732cf84d3c9343aff7436d992a78eb7b771192b"},"schema_version":"1.0"},"canonical_sha256":"0bc09d73ceed4bdfc67fa006e811a8781d1035c5436ebec7759913b6d2a5900b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:21.377250Z","signature_b64":"Pia+rDDEybipAznvLbnQXx+y9CULheM5R3o9l7B8EOikSF1wlLQJkhXlNq9x5ahr8huxUJW7msSPVU9CePU+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bc09d73ceed4bdfc67fa006e811a8781d1035c5436ebec7759913b6d2a5900b","last_reissued_at":"2026-05-18T01:20:21.376702Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:21.376702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.2034","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:20:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r0Buezgqcqy1tpEsz3Bk84vK9GQ6Z0xP4GXa1L+h7a5Q7pOY2klx/vMt+44DMWkmPFkVuDol/s5i3UOdqSdHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:02.328612Z"},"content_sha256":"715acc904f2a6c0964936fd8d32135b3ef8aeaef1d999ead9ac4e9b6ff476759","schema_version":"1.0","event_id":"sha256:715acc904f2a6c0964936fd8d32135b3ef8aeaef1d999ead9ac4e9b6ff476759"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BPAJ246O5VF57RT7UADOQENIPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variance-based control of regime shifts: bistability and oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.AO","authors_text":"Anselmo Garc\\'ia Cant\\'u Ros, Juergen Kropp, Till Fluschnik","submitted_at":"2014-01-09T15:48:20Z","abstract_excerpt":"A variety of real world and experimental systems can display a drastic regime shift, as the evolution in one its paramaters crosses a threshold value. Assimilation of such a transition with a bifurcation has allowed to identify so called \"early warning signals\", at the level of the time series generated by the system underscope. The literature in early warning detection methods is currently expanding and their potential for practical applicability is being discussed in different contexts. In this work, we elaborate on the use of the variance of a system variable, which constitutes the simplest"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2034","kind":"arxiv","version":2},"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":"2026-05-18T01:20:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lE68QKKUcGRLfFowyA80tFODJTO8qKwzpWxz6pCyllWqSfXMVncYAEcYiYQCoaBLP3SqbdC3hhzIfWPeT5pkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:02.328956Z"},"content_sha256":"8c96588c31ef5797224e9c91e067cf6b2c56af62dae673fd5fa0101cc8b5ccf6","schema_version":"1.0","event_id":"sha256:8c96588c31ef5797224e9c91e067cf6b2c56af62dae673fd5fa0101cc8b5ccf6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPAJ246O5VF57RT7UADOQENIPA/bundle.json","state_url":"https://pith.science/pith/BPAJ246O5VF57RT7UADOQENIPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPAJ246O5VF57RT7UADOQENIPA/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":"2026-06-02T07:59:02Z","links":{"resolver":"https://pith.science/pith/BPAJ246O5VF57RT7UADOQENIPA","bundle":"https://pith.science/pith/BPAJ246O5VF57RT7UADOQENIPA/bundle.json","state":"https://pith.science/pith/BPAJ246O5VF57RT7UADOQENIPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPAJ246O5VF57RT7UADOQENIPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BPAJ246O5VF57RT7UADOQENIPA","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":"b5ec1be9a4c84411e8e641274732cf84d3c9343aff7436d992a78eb7b771192b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.AO","submitted_at":"2014-01-09T15:48:20Z","title_canon_sha256":"026d30cff63ef6333ed59e62700d33b3cd9b857a8c49a7f855c36c7d436dca2f"},"schema_version":"1.0","source":{"id":"1401.2034","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2034","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2034v2","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2034","created_at":"2026-05-18T01:20:21Z"},{"alias_kind":"pith_short_12","alias_value":"BPAJ246O5VF5","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BPAJ246O5VF57RT7","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BPAJ246O","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:8c96588c31ef5797224e9c91e067cf6b2c56af62dae673fd5fa0101cc8b5ccf6","target":"graph","created_at":"2026-05-18T01:20:21Z","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":"A variety of real world and experimental systems can display a drastic regime shift, as the evolution in one its paramaters crosses a threshold value. Assimilation of such a transition with a bifurcation has allowed to identify so called \"early warning signals\", at the level of the time series generated by the system underscope. The literature in early warning detection methods is currently expanding and their potential for practical applicability is being discussed in different contexts. In this work, we elaborate on the use of the variance of a system variable, which constitutes the simplest","authors_text":"Anselmo Garc\\'ia Cant\\'u Ros, Juergen Kropp, Till Fluschnik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.AO","submitted_at":"2014-01-09T15:48:20Z","title":"Variance-based control of regime shifts: bistability and oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2034","kind":"arxiv","version":2},"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":"sha256:715acc904f2a6c0964936fd8d32135b3ef8aeaef1d999ead9ac4e9b6ff476759","target":"record","created_at":"2026-05-18T01:20:21Z","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":"b5ec1be9a4c84411e8e641274732cf84d3c9343aff7436d992a78eb7b771192b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.AO","submitted_at":"2014-01-09T15:48:20Z","title_canon_sha256":"026d30cff63ef6333ed59e62700d33b3cd9b857a8c49a7f855c36c7d436dca2f"},"schema_version":"1.0","source":{"id":"1401.2034","kind":"arxiv","version":2}},"canonical_sha256":"0bc09d73ceed4bdfc67fa006e811a8781d1035c5436ebec7759913b6d2a5900b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bc09d73ceed4bdfc67fa006e811a8781d1035c5436ebec7759913b6d2a5900b","first_computed_at":"2026-05-18T01:20:21.376702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:21.376702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pia+rDDEybipAznvLbnQXx+y9CULheM5R3o9l7B8EOikSF1wlLQJkhXlNq9x5ahr8huxUJW7msSPVU9CePU+DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:21.377250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.2034","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:715acc904f2a6c0964936fd8d32135b3ef8aeaef1d999ead9ac4e9b6ff476759","sha256:8c96588c31ef5797224e9c91e067cf6b2c56af62dae673fd5fa0101cc8b5ccf6"],"state_sha256":"75964328bb2921391017e05121b70aa5ba2de9b3f6e621f826709ae5039df4f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"isnAgbYwZU0bysssVms/RmtkkjAhp/5a/TYcFZWeZH/C03jaJ54OiLkUdtxk9OXyFrV3KnwP80Zjipb5ruHzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:59:02.331104Z","bundle_sha256":"557a79f6851780df9854245891321533bcf2fc3363bbace7a0bb0d21254d0285"}}