{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OCDLQFXGQLBUR2JGOWLBTDIE3K","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":"0f0ef557729edb07400031f470daf6c0ab3d659ef3a1553e33ab0ed790e1dcc4","cross_cats_sorted":["physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-07-17T12:43:39Z","title_canon_sha256":"9d299fa190f74ed1226d9e06ab274c2cca1b711339108c7f24d1ca9a2b147e01"},"schema_version":"1.0","source":{"id":"2507.13075","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.13075","created_at":"2026-07-05T11:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"2507.13075v1","created_at":"2026-07-05T11:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13075","created_at":"2026-07-05T11:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"OCDLQFXGQLBU","created_at":"2026-07-05T11:38:54Z"},{"alias_kind":"pith_short_16","alias_value":"OCDLQFXGQLBUR2JG","created_at":"2026-07-05T11:38:54Z"},{"alias_kind":"pith_short_8","alias_value":"OCDLQFXG","created_at":"2026-07-05T11:38:54Z"}],"graph_snapshots":[{"event_id":"sha256:cdb5b5b0569f9a49d1b314c6a67883590a70e357e8b87643fac60e41ba85ac0c","target":"graph","created_at":"2026-07-05T11:38:54Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2507.13075/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study examines the dynamics of the urban heat island (UHI) effect by conducting a comparative analysis of air temperature hysteresis patterns in Paris and Madrid, two major European cities with distinct climatic and urban characteristics. Utilizing high-resolution modelled air temperature data aggregated at a fine temporal resolution of three-hour intervals from 2008 to 2017, we investigate how diurnal and seasonal hysteresis loops reveal both unique and universal aspects of UHI variability. Paris, located in a temperate oceanic climate, and Madrid, situated in a cold semi-arid zone, disp","authors_text":"Rohini Kumar, Suman Dharmasthala, Vittal Hari","cross_cats":["physics.data-an"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-07-17T12:43:39Z","title":"Undulating patterns of Hysteresis loops in diurnal seasonality of air temperature in Urban Heat Island effect: Insights from Paris and Madrid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13075","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":"sha256:0e669bf0457e9cb7494e36afd5b15b24d7a53a4a3881dd53de73d42c7432d178","target":"record","created_at":"2026-07-05T11:38:54Z","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":"0f0ef557729edb07400031f470daf6c0ab3d659ef3a1553e33ab0ed790e1dcc4","cross_cats_sorted":["physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-07-17T12:43:39Z","title_canon_sha256":"9d299fa190f74ed1226d9e06ab274c2cca1b711339108c7f24d1ca9a2b147e01"},"schema_version":"1.0","source":{"id":"2507.13075","kind":"arxiv","version":1}},"canonical_sha256":"7086b816e682c348e9267596198d04dabbe62bfa84ac2f5e646bc00b12156855","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7086b816e682c348e9267596198d04dabbe62bfa84ac2f5e646bc00b12156855","first_computed_at":"2026-07-05T11:38:54.233443Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:38:54.233443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LPYqhXS1iqiOgUITrfzCaAzAPSLLMno72ibIj/r21X8Kj2JK41ryVN2NBPCttJRiXa1bwY8rpTfYO9eoV8/qBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:38:54.233923Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.13075","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e669bf0457e9cb7494e36afd5b15b24d7a53a4a3881dd53de73d42c7432d178","sha256:cdb5b5b0569f9a49d1b314c6a67883590a70e357e8b87643fac60e41ba85ac0c"],"state_sha256":"3d5b24046d02c0afa7c950e899ab6d3bddb1576c6ef22e9aaa33127f9bc9dea3"}