{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:75MDDJNLH24ARGJXHWTBAQEB3F","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":"56b1744e70e1f928ccd98728616a9f2f6fb29b96d7e46d9ce10c4a4b9d1477c8","cross_cats_sorted":["physics.soc-ph","q-bio.PE","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-12-03T13:02:57Z","title_canon_sha256":"f332343888ab081751b8595fcd91bb185e2846603bdc03d6e9242bcfe4836cc2"},"schema_version":"1.0","source":{"id":"1512.01065","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01065","created_at":"2026-05-18T00:44:42Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01065v2","created_at":"2026-05-18T00:44:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01065","created_at":"2026-05-18T00:44:42Z"},{"alias_kind":"pith_short_12","alias_value":"75MDDJNLH24A","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"75MDDJNLH24ARGJX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"75MDDJNL","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:3baff507d7dce8a3dfb6d998846d36f55326b0aa3b892818651d35fb502eecfe","target":"graph","created_at":"2026-05-18T00:44:42Z","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":"Routine public health surveillance of notifiable infectious diseases gives rise to weekly counts of reported cases -- possibly stratified by region and/or age group. We investigate how an age-structured social contact matrix can be incorporated into a spatio-temporal endemic-epidemic model for infectious disease counts. To illustrate the approach, we analyze the spread of norovirus gastroenteritis over 6 age groups within the 12 districts of Berlin, 2011-2015, using contact data from the POLYMOD study. The proposed age-structured model outperforms alternative scenarios with homogeneous or no m","authors_text":"Leonhard Held, Sebastian Meyer","cross_cats":["physics.soc-ph","q-bio.PE","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-12-03T13:02:57Z","title":"Incorporating social contact data in spatio-temporal models for infectious disease spread"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01065","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":"sha256:276deedc9bd2eb11d41684e32ca1f4fa09127df95c44818e76d8909a533bd398","target":"record","created_at":"2026-05-18T00:44:42Z","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":"56b1744e70e1f928ccd98728616a9f2f6fb29b96d7e46d9ce10c4a4b9d1477c8","cross_cats_sorted":["physics.soc-ph","q-bio.PE","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-12-03T13:02:57Z","title_canon_sha256":"f332343888ab081751b8595fcd91bb185e2846603bdc03d6e9242bcfe4836cc2"},"schema_version":"1.0","source":{"id":"1512.01065","kind":"arxiv","version":2}},"canonical_sha256":"ff5831a5ab3eb80899373da6104081d97d86faf906b816233cfdceb8dee2fca6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff5831a5ab3eb80899373da6104081d97d86faf906b816233cfdceb8dee2fca6","first_computed_at":"2026-05-18T00:44:42.656210Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:42.656210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jg+bGboUWsBvtsWf3nXNq+oqjYeBOgvIxha/cinPnfC6DLf9tYAWzz9Qhthb8b+JVzvp1oXlRym0W5MEuxcFDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:42.656765Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.01065","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:276deedc9bd2eb11d41684e32ca1f4fa09127df95c44818e76d8909a533bd398","sha256:3baff507d7dce8a3dfb6d998846d36f55326b0aa3b892818651d35fb502eecfe"],"state_sha256":"1c1c95f9204f9e3cd88188f890088962394cf198c0a1da4a44b0160d050ee501"}