{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:Y5JXAGAWN2WZSLCMIJYZKGKB3G","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":"f171b195b2a80b2661396ddfcd66bbceb85fb55b25cc253e7b0135f4835b98e5","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2020-03-27T13:47:43Z","title_canon_sha256":"0a2a54eb9c9dd9a08a15e13c75b23cd8c74f3607338fbd4f11509481af37ca33"},"schema_version":"1.0","source":{"id":"2003.12417","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.12417","created_at":"2026-07-05T02:00:44Z"},{"alias_kind":"arxiv_version","alias_value":"2003.12417v4","created_at":"2026-07-05T02:00:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.12417","created_at":"2026-07-05T02:00:44Z"},{"alias_kind":"pith_short_12","alias_value":"Y5JXAGAWN2WZ","created_at":"2026-07-05T02:00:44Z"},{"alias_kind":"pith_short_16","alias_value":"Y5JXAGAWN2WZSLCM","created_at":"2026-07-05T02:00:44Z"},{"alias_kind":"pith_short_8","alias_value":"Y5JXAGAW","created_at":"2026-07-05T02:00:44Z"}],"graph_snapshots":[{"event_id":"sha256:a0032f92cb61f02ba9dac1c5f59c7dd488710c3281b4b063f4860409cfb70792","target":"graph","created_at":"2026-07-05T02:00:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2003.12417/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recent coronavirus pandemic follows in its early stages an almost exponential growth, with the number of cases quite well fit in time by $N(t)\\propto e^{\\alpha t}$, in many countries. We analyze the rate $\\alpha$ for each country, starting from a threshold of 30 total cases and using the next 12 days, capturing thus the early growth homogeneously. We look for a link between $\\alpha$ and the average temperature $T$ of each country, in the month of the epidemic growth. We analyze a {\\it base} set of 42 countries, which developed the epidemic earlier, an {\\it intermediate} set of 88 countries","authors_text":"Alessio Notari","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2020-03-27T13:47:43Z","title":"Temperature dependence of COVID-19 transmission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.12417","kind":"arxiv","version":4},"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":"sha256:1256ff34c6cdc4bf39db5a8883bea7c31284dbd60bda96b684053185ab1c5d88","target":"record","created_at":"2026-07-05T02:00:44Z","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":"f171b195b2a80b2661396ddfcd66bbceb85fb55b25cc253e7b0135f4835b98e5","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2020-03-27T13:47:43Z","title_canon_sha256":"0a2a54eb9c9dd9a08a15e13c75b23cd8c74f3607338fbd4f11509481af37ca33"},"schema_version":"1.0","source":{"id":"2003.12417","kind":"arxiv","version":4}},"canonical_sha256":"c7537018166ead992c4c4271951941d9a0ad57fd5193d37f29da333618283b65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7537018166ead992c4c4271951941d9a0ad57fd5193d37f29da333618283b65","first_computed_at":"2026-07-05T02:00:44.372216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:00:44.372216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lziAW07uThjAtU3UfSoN/CPfXvxAF5HVgQ+l5gdUIJaiWBzlXkBFN1UhV/Z070st6iU+He/pDx2H3i2lfDWTCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:00:44.372646Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.12417","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1256ff34c6cdc4bf39db5a8883bea7c31284dbd60bda96b684053185ab1c5d88","sha256:a0032f92cb61f02ba9dac1c5f59c7dd488710c3281b4b063f4860409cfb70792"],"state_sha256":"e66e934e0b14b816d7a82bd0e0e1288dde66e1acd28ee9f11496ede6ff9c8cf7"}