{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YQ6743KMCJCSA7B5JJYPK4VEJR","short_pith_number":"pith:YQ6743KM","canonical_record":{"source":{"id":"2109.10970","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2021-09-22T18:39:10Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"4d789f7d342085438f103b2d203268f43c29ae5cc7adecd8cd3c55299ef1db4a","abstract_canon_sha256":"98fd16a4244e3c72f805d2ef0bab5e20da0e6d6d3d8e8c0f926b02e5312eace3"},"schema_version":"1.0"},"canonical_sha256":"c43dfe6d4c1245207c3d4a70f572a44c6895c67ac55eb45d5a1be417b485be18","source":{"kind":"arxiv","id":"2109.10970","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10970","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10970v2","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10970","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"YQ6743KMCJCS","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_16","alias_value":"YQ6743KMCJCSA7B5","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_8","alias_value":"YQ6743KM","created_at":"2026-07-05T05:24:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YQ6743KMCJCSA7B5JJYPK4VEJR","target":"record","payload":{"canonical_record":{"source":{"id":"2109.10970","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2021-09-22T18:39:10Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"4d789f7d342085438f103b2d203268f43c29ae5cc7adecd8cd3c55299ef1db4a","abstract_canon_sha256":"98fd16a4244e3c72f805d2ef0bab5e20da0e6d6d3d8e8c0f926b02e5312eace3"},"schema_version":"1.0"},"canonical_sha256":"c43dfe6d4c1245207c3d4a70f572a44c6895c67ac55eb45d5a1be417b485be18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:24:24.929625Z","signature_b64":"AwS+FFPlOMJzXqNyfOwuZZYVTvfCVASWmS/fqRRwsVWsWB6M/kC8zvTwuiH/OyyRxQSMyCqb1L1C0BAtGvzICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c43dfe6d4c1245207c3d4a70f572a44c6895c67ac55eb45d5a1be417b485be18","last_reissued_at":"2026-07-05T05:24:24.929176Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:24:24.929176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.10970","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WBnqFtsTLzJAhRiE6bSIiTKuchyezkxazeGD3YfbPGVfF30tLyCqsSlo6/ZC5KjhCfMOb34I+Ybe/tse6OFXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:41:48.627184Z"},"content_sha256":"18318aa6ade667f2a2a4918b78cd1b59e12f78ccc3a5769e8c7b20e9212a44d6","schema_version":"1.0","event_id":"sha256:18318aa6ade667f2a2a4918b78cd1b59e12f78ccc3a5769e8c7b20e9212a44d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YQ6743KMCJCSA7B5JJYPK4VEJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Epidemic Management and Control Through Risk-Dependent Individual Contact Interventions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"stat.AP","authors_text":"Alfredo Garbuno-I\\~nigo, Chiara Daraio, Dmitry Burov, Gregory L. Wagner, Jeffrey Shaman, Jinlong Wu, Lucas B\\\"ottcher, Oliver R. A. Dunbar, Raffaele Ferrari, Sen Pei, Tapio Schneider","submitted_at":"2021-09-22T18:39:10Z","abstract_excerpt":"Testing, contact tracing, and isolation (TTI) is an epidemic management and control approach that is difficult to implement at scale because it relies on manual tracing of contacts. Exposure notification apps have been developed to digitally scale up TTI by harnessing contact data obtained from mobile devices; however, exposure notification apps provide users only with limited binary information when they have been directly exposed to a known infection source. Here we demonstrate a scalable improvement to TTI and exposure notification apps that uses data assimilation (DA) on a contact network."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10970","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.10970/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DhI2mcVc5tZULdGyMy1TmlXEOGqMX/aS5pt5yL9OVc5xX4AVp6hZtM9D1QnWpVPIV2H89oH+syx30DEQOoe5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:41:48.627566Z"},"content_sha256":"b3a8fdb5746e2da478da55420dd1ac5d91d0a18f9f0ba1e6504185ae09b7906d","schema_version":"1.0","event_id":"sha256:b3a8fdb5746e2da478da55420dd1ac5d91d0a18f9f0ba1e6504185ae09b7906d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/bundle.json","state_url":"https://pith.science/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/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":"2026-07-07T13:41:48Z","links":{"resolver":"https://pith.science/pith/YQ6743KMCJCSA7B5JJYPK4VEJR","bundle":"https://pith.science/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/bundle.json","state":"https://pith.science/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQ6743KMCJCSA7B5JJYPK4VEJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YQ6743KMCJCSA7B5JJYPK4VEJR","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":"98fd16a4244e3c72f805d2ef0bab5e20da0e6d6d3d8e8c0f926b02e5312eace3","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2021-09-22T18:39:10Z","title_canon_sha256":"4d789f7d342085438f103b2d203268f43c29ae5cc7adecd8cd3c55299ef1db4a"},"schema_version":"1.0","source":{"id":"2109.10970","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10970","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10970v2","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10970","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"YQ6743KMCJCS","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_16","alias_value":"YQ6743KMCJCSA7B5","created_at":"2026-07-05T05:24:24Z"},{"alias_kind":"pith_short_8","alias_value":"YQ6743KM","created_at":"2026-07-05T05:24:24Z"}],"graph_snapshots":[{"event_id":"sha256:b3a8fdb5746e2da478da55420dd1ac5d91d0a18f9f0ba1e6504185ae09b7906d","target":"graph","created_at":"2026-07-05T05:24:24Z","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/2109.10970/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Testing, contact tracing, and isolation (TTI) is an epidemic management and control approach that is difficult to implement at scale because it relies on manual tracing of contacts. Exposure notification apps have been developed to digitally scale up TTI by harnessing contact data obtained from mobile devices; however, exposure notification apps provide users only with limited binary information when they have been directly exposed to a known infection source. Here we demonstrate a scalable improvement to TTI and exposure notification apps that uses data assimilation (DA) on a contact network.","authors_text":"Alfredo Garbuno-I\\~nigo, Chiara Daraio, Dmitry Burov, Gregory L. Wagner, Jeffrey Shaman, Jinlong Wu, Lucas B\\\"ottcher, Oliver R. A. Dunbar, Raffaele Ferrari, Sen Pei, Tapio Schneider","cross_cats":["cs.CY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2021-09-22T18:39:10Z","title":"Epidemic Management and Control Through Risk-Dependent Individual Contact Interventions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10970","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":"sha256:18318aa6ade667f2a2a4918b78cd1b59e12f78ccc3a5769e8c7b20e9212a44d6","target":"record","created_at":"2026-07-05T05:24:24Z","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":"98fd16a4244e3c72f805d2ef0bab5e20da0e6d6d3d8e8c0f926b02e5312eace3","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2021-09-22T18:39:10Z","title_canon_sha256":"4d789f7d342085438f103b2d203268f43c29ae5cc7adecd8cd3c55299ef1db4a"},"schema_version":"1.0","source":{"id":"2109.10970","kind":"arxiv","version":2}},"canonical_sha256":"c43dfe6d4c1245207c3d4a70f572a44c6895c67ac55eb45d5a1be417b485be18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c43dfe6d4c1245207c3d4a70f572a44c6895c67ac55eb45d5a1be417b485be18","first_computed_at":"2026-07-05T05:24:24.929176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:24:24.929176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AwS+FFPlOMJzXqNyfOwuZZYVTvfCVASWmS/fqRRwsVWsWB6M/kC8zvTwuiH/OyyRxQSMyCqb1L1C0BAtGvzICw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:24:24.929625Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.10970","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18318aa6ade667f2a2a4918b78cd1b59e12f78ccc3a5769e8c7b20e9212a44d6","sha256:b3a8fdb5746e2da478da55420dd1ac5d91d0a18f9f0ba1e6504185ae09b7906d"],"state_sha256":"9f139507e7156b6c70a721ee5c4e1190273408a8befba0bfa1a92d01a88a7637"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mEnSfPu1OBEPcrqPKfKtXotlb4TN97otbD19k61P4sOVM22C92vWSF2xYEHjJqbInuoRZWN2C6XeQe+kjfNeBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:41:48.629524Z","bundle_sha256":"dc923c3af6e5bc130753a0e76ec76a2c526c2794964211b4a0604644c207d757"}}