{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Q4H4MOFIDWE5PXRNMQTRD5TVE3","short_pith_number":"pith:Q4H4MOFI","canonical_record":{"source":{"id":"1510.02263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2015-10-08T10:03:19Z","cross_cats_sorted":[],"title_canon_sha256":"1e3e309f1bd530847b886853ad8087a8e1ac327e51595d829f94cf26792b1bee","abstract_canon_sha256":"c4b20f439206e4dd2eb9c8fa27cc3c8db9af24da6691f6496f180f98755d4d0f"},"schema_version":"1.0"},"canonical_sha256":"870fc638a81d89d7de2d642711f67526e265490d96452c818eda2fde5f6d5a90","source":{"kind":"arxiv","id":"1510.02263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02263","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02263v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02263","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"Q4H4MOFIDWE5","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q4H4MOFIDWE5PXRN","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q4H4MOFI","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Q4H4MOFIDWE5PXRNMQTRD5TVE3","target":"record","payload":{"canonical_record":{"source":{"id":"1510.02263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2015-10-08T10:03:19Z","cross_cats_sorted":[],"title_canon_sha256":"1e3e309f1bd530847b886853ad8087a8e1ac327e51595d829f94cf26792b1bee","abstract_canon_sha256":"c4b20f439206e4dd2eb9c8fa27cc3c8db9af24da6691f6496f180f98755d4d0f"},"schema_version":"1.0"},"canonical_sha256":"870fc638a81d89d7de2d642711f67526e265490d96452c818eda2fde5f6d5a90","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:44.279994Z","signature_b64":"pozMM5GGajywkVuOgDdykxCUsppdavYhhRkjJQcfQP1dfu67FWQOWuAYRMcZgsllFV7q7Zzi0DpAKXCzKbs2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"870fc638a81d89d7de2d642711f67526e265490d96452c818eda2fde5f6d5a90","last_reissued_at":"2026-05-18T01:30:44.279469Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:44.279469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.02263","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1LBLS6E2DHWx8izXa2ReShmpShC7lBCD5iGvkR0/YamU7BLWqAKnM8jwfFha2FhDiy++W3q75Dfrp1GY9QAMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T01:11:24.728979Z"},"content_sha256":"d978702fb1ec952d87e53fb53c3a16df211cf4a7f6a59d8ae96d87b7df6d4ae3","schema_version":"1.0","event_id":"sha256:d978702fb1ec952d87e53fb53c3a16df211cf4a7f6a59d8ae96d87b7df6d4ae3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Q4H4MOFIDWE5PXRNMQTRD5TVE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Data-driven prediction and prevention of extreme events in a spatially extended excitable system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.data-an","authors_text":"Gerrit Ansmann, Holger Kantz, Stephan Bialonski","submitted_at":"2015-10-08T10:03:19Z","abstract_excerpt":"Extreme events occur in many spatially extended dynamical systems, often devastatingly affecting human life which makes their reliable prediction and efficient prevention highly desirable. We study the prediction and prevention of extreme events in a spatially extended system, a system of coupled FitzHugh-Nagumo units, in which extreme events occur in a spatially and temporally irregular way. Mimicking typical constraints faced in field studies, we assume not to know the governing equations of motion and to be able to observe only a subset of all phase-space variables for a limited period of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02263","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m18Y9vDP2Jjovh0bYM/XhtwKwkGN+Yjn0sQ+LQV2ayQ8wTFxMzvfilEUdJyl5JKH695EbLSvUbuR3F9zXrskAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T01:11:24.729340Z"},"content_sha256":"24b9201d654b87cf2804032986fb6625c7abb2b7d522ffc0d6180c7c6066d541","schema_version":"1.0","event_id":"sha256:24b9201d654b87cf2804032986fb6625c7abb2b7d522ffc0d6180c7c6066d541"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/bundle.json","state_url":"https://pith.science/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/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":"2026-06-21T01:11:24Z","links":{"resolver":"https://pith.science/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3","bundle":"https://pith.science/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/bundle.json","state":"https://pith.science/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q4H4MOFIDWE5PXRNMQTRD5TVE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Q4H4MOFIDWE5PXRNMQTRD5TVE3","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":"c4b20f439206e4dd2eb9c8fa27cc3c8db9af24da6691f6496f180f98755d4d0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2015-10-08T10:03:19Z","title_canon_sha256":"1e3e309f1bd530847b886853ad8087a8e1ac327e51595d829f94cf26792b1bee"},"schema_version":"1.0","source":{"id":"1510.02263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02263","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02263v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02263","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"Q4H4MOFIDWE5","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q4H4MOFIDWE5PXRN","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q4H4MOFI","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:24b9201d654b87cf2804032986fb6625c7abb2b7d522ffc0d6180c7c6066d541","target":"graph","created_at":"2026-05-18T01:30:44Z","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":"Extreme events occur in many spatially extended dynamical systems, often devastatingly affecting human life which makes their reliable prediction and efficient prevention highly desirable. We study the prediction and prevention of extreme events in a spatially extended system, a system of coupled FitzHugh-Nagumo units, in which extreme events occur in a spatially and temporally irregular way. Mimicking typical constraints faced in field studies, we assume not to know the governing equations of motion and to be able to observe only a subset of all phase-space variables for a limited period of t","authors_text":"Gerrit Ansmann, Holger Kantz, Stephan Bialonski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2015-10-08T10:03:19Z","title":"Data-driven prediction and prevention of extreme events in a spatially extended excitable system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02263","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:d978702fb1ec952d87e53fb53c3a16df211cf4a7f6a59d8ae96d87b7df6d4ae3","target":"record","created_at":"2026-05-18T01:30:44Z","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":"c4b20f439206e4dd2eb9c8fa27cc3c8db9af24da6691f6496f180f98755d4d0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2015-10-08T10:03:19Z","title_canon_sha256":"1e3e309f1bd530847b886853ad8087a8e1ac327e51595d829f94cf26792b1bee"},"schema_version":"1.0","source":{"id":"1510.02263","kind":"arxiv","version":1}},"canonical_sha256":"870fc638a81d89d7de2d642711f67526e265490d96452c818eda2fde5f6d5a90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"870fc638a81d89d7de2d642711f67526e265490d96452c818eda2fde5f6d5a90","first_computed_at":"2026-05-18T01:30:44.279469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:44.279469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pozMM5GGajywkVuOgDdykxCUsppdavYhhRkjJQcfQP1dfu67FWQOWuAYRMcZgsllFV7q7Zzi0DpAKXCzKbs2Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:44.279994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d978702fb1ec952d87e53fb53c3a16df211cf4a7f6a59d8ae96d87b7df6d4ae3","sha256:24b9201d654b87cf2804032986fb6625c7abb2b7d522ffc0d6180c7c6066d541"],"state_sha256":"882cacddbfed940872c234b2e3883c073a3e8269ffcb0af96f919c2fe4e30534"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0vDTPINQ44o8f6wZdfnSVUEEYAOGCZujLLWRAMyYRde2gc4Q+suJ8SZVgqReSR1PX0P7lRkrtcdsxegnqmBjCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T01:11:24.731292Z","bundle_sha256":"a0db2206d8ea81d7164d506c386c4e499babc1a4005d4985778dd45403fdc568"}}