{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:36OTHWNL4HRU4P6BFRUAPPOYNM","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":"63d83e0b55e1d06fa9762d44f478247682385071beb1fb201b4d27906d5e4047","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-04T07:47:50Z","title_canon_sha256":"d7b67c817ac4d9355bc46256b8e6d7861f50a13de30e7aed2e5226e91ee84936"},"schema_version":"1.0","source":{"id":"1807.01472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01472","created_at":"2026-05-17T23:55:58Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01472v1","created_at":"2026-05-17T23:55:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01472","created_at":"2026-05-17T23:55:58Z"},{"alias_kind":"pith_short_12","alias_value":"36OTHWNL4HRU","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"36OTHWNL4HRU4P6B","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"36OTHWNL","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:610c9055a80543b65d61d4e4e4612bf2cdc0ce4c0e0c81169966be2d6e32783a","target":"graph","created_at":"2026-05-17T23:55:58Z","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":"Global climate warming poses a significant challenge to humanity; it is associated with, e.g., rising sea level and declining Arctic sea ice. Increasing extreme events are also considered to be a result of climate warming~\\cite{pachauri2014climate,ogorman_contrasting_2014} and they may have widespread and diverse effects on health, agriculture, economics and political conflicts \\cite{hsiang2011civil,helbing_globally_2013,schleussner_armed-conflict_2016,carleton_social_2016}. Still, the detection and quantification of climate change, both in observations and climate models, constitute a main fo","authors_text":"Hans Joachim Schellnhuber, Jingfang Fan, Jun Meng, Shlomo Havlin, Yosef Ashkenazy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-04T07:47:50Z","title":"Climate network percolation reveals the expansion and weakening of the tropical component under global warming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01472","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:c67d4a7edf897e0fc38c119a4dd49b1dafd0cc3518a610b0a3034ebc46691c84","target":"record","created_at":"2026-05-17T23:55:58Z","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":"63d83e0b55e1d06fa9762d44f478247682385071beb1fb201b4d27906d5e4047","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-04T07:47:50Z","title_canon_sha256":"d7b67c817ac4d9355bc46256b8e6d7861f50a13de30e7aed2e5226e91ee84936"},"schema_version":"1.0","source":{"id":"1807.01472","kind":"arxiv","version":1}},"canonical_sha256":"df9d33d9abe1e34e3fc12c6807bdd86b2a9b625e538d5b27fbe8f3b478a007ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df9d33d9abe1e34e3fc12c6807bdd86b2a9b625e538d5b27fbe8f3b478a007ab","first_computed_at":"2026-05-17T23:55:58.242506Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:58.242506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"unVnUjdVhZ+KuSCmamIEcH97gEEyBYx7O6pT4M2D1JmG3CHhvVexkuEOqfAaShRxRu8tsDs8A5cW8SGNoHJlCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:58.243197Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c67d4a7edf897e0fc38c119a4dd49b1dafd0cc3518a610b0a3034ebc46691c84","sha256:610c9055a80543b65d61d4e4e4612bf2cdc0ce4c0e0c81169966be2d6e32783a"],"state_sha256":"58dbe0afd4e04ac5a1898934d83df1175af5f8a4200347d652cfb50c1e4e3f3f"}