{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DHLPZZ5IDUWPX55OR3OJZ4IS3P","short_pith_number":"pith:DHLPZZ5I","canonical_record":{"source":{"id":"2407.10304","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2024-05-05T03:59:09Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"990790f55d6b1a4f69bd10fd2e5c7f758c6fd95bc1eff6f4d3a1b5ab44ae0547","abstract_canon_sha256":"fb38403b0a236a92e132d3f8973dde67943b0c06d969fa93941cfbf154307198"},"schema_version":"1.0"},"canonical_sha256":"19d6fce7a81d2cfbf7ae8edc9cf112dbc45b9452b20611ccb49173af00c8560d","source":{"kind":"arxiv","id":"2407.10304","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.10304","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"arxiv_version","alias_value":"2407.10304v1","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.10304","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_12","alias_value":"DHLPZZ5IDUWP","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_16","alias_value":"DHLPZZ5IDUWPX55O","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_8","alias_value":"DHLPZZ5I","created_at":"2026-07-05T08:43:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DHLPZZ5IDUWPX55OR3OJZ4IS3P","target":"record","payload":{"canonical_record":{"source":{"id":"2407.10304","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2024-05-05T03:59:09Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"990790f55d6b1a4f69bd10fd2e5c7f758c6fd95bc1eff6f4d3a1b5ab44ae0547","abstract_canon_sha256":"fb38403b0a236a92e132d3f8973dde67943b0c06d969fa93941cfbf154307198"},"schema_version":"1.0"},"canonical_sha256":"19d6fce7a81d2cfbf7ae8edc9cf112dbc45b9452b20611ccb49173af00c8560d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:43:42.322946Z","signature_b64":"/5roK3+WfZVvWvXLb4MMaGVvhiyjrntCOCNRwz2aL7ZdkYDIT6FkOyPZdaq0YhKXTzTWSCipxRvv2BM8gUjiCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19d6fce7a81d2cfbf7ae8edc9cf112dbc45b9452b20611ccb49173af00c8560d","last_reissued_at":"2026-07-05T08:43:42.322567Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:43:42.322567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.10304","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:43:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IajEO/EHQoRSw5BMmxLbZE0KmPD5vz3X+afx7yJaevgivyajNOmpotdnezBkVw//55Uqkyu5b3abuCUUm/XBBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T17:39:36.100721Z"},"content_sha256":"ccc20880667c433c5e279ea88e59149624feb37d8692b72181a600d68121fd10","schema_version":"1.0","event_id":"sha256:ccc20880667c433c5e279ea88e59149624feb37d8692b72181a600d68121fd10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DHLPZZ5IDUWPX55OR3OJZ4IS3P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic analysis of the effectiveness of adding human mobility data to covid-19 case prediction linear models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CY","authors_text":"Daniel Smolyak, Naman Awasthi, Saad Mohammad Abrar, Vanessa Frias-Martinez","submitted_at":"2024-05-05T03:59:09Z","abstract_excerpt":"Human mobility data has been extensively used in covid-19 case prediction models. Nevertheless, related work has questioned whether mobility data really helps that much. We present a systematic analysis across mobility datasets and prediction lookaheads and reveal that adding mobility data to predictive models improves model performance only for about two months at the onset of the testing period, and that performance improvements -- measured as predicted vs. actual correlation improvement over non-mobility baselines -- are at most 0.3."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.10304","kind":"arxiv","version":1},"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/2407.10304/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":"2026-07-05T08:43:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HFfcSEH44Dt+RMc9l+2R3qaF7SqPckSGR3qlhnYmIwOTj6nFxv066RgJ1tP7OlZekCbQMDJS8cZSaMXSyHKMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T17:39:36.101621Z"},"content_sha256":"792cd9f9c7c73f497bf006ef203f380987388fdcd56458cc04d3f4071ee3c95c","schema_version":"1.0","event_id":"sha256:792cd9f9c7c73f497bf006ef203f380987388fdcd56458cc04d3f4071ee3c95c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/bundle.json","state_url":"https://pith.science/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/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":"2026-08-18T17:39:36Z","links":{"resolver":"https://pith.science/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P","bundle":"https://pith.science/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/bundle.json","state":"https://pith.science/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DHLPZZ5IDUWPX55OR3OJZ4IS3P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DHLPZZ5IDUWPX55OR3OJZ4IS3P","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":"fb38403b0a236a92e132d3f8973dde67943b0c06d969fa93941cfbf154307198","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2024-05-05T03:59:09Z","title_canon_sha256":"990790f55d6b1a4f69bd10fd2e5c7f758c6fd95bc1eff6f4d3a1b5ab44ae0547"},"schema_version":"1.0","source":{"id":"2407.10304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.10304","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"arxiv_version","alias_value":"2407.10304v1","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.10304","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_12","alias_value":"DHLPZZ5IDUWP","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_16","alias_value":"DHLPZZ5IDUWPX55O","created_at":"2026-07-05T08:43:42Z"},{"alias_kind":"pith_short_8","alias_value":"DHLPZZ5I","created_at":"2026-07-05T08:43:42Z"}],"graph_snapshots":[{"event_id":"sha256:792cd9f9c7c73f497bf006ef203f380987388fdcd56458cc04d3f4071ee3c95c","target":"graph","created_at":"2026-07-05T08:43:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.10304/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Human mobility data has been extensively used in covid-19 case prediction models. Nevertheless, related work has questioned whether mobility data really helps that much. We present a systematic analysis across mobility datasets and prediction lookaheads and reveal that adding mobility data to predictive models improves model performance only for about two months at the onset of the testing period, and that performance improvements -- measured as predicted vs. actual correlation improvement over non-mobility baselines -- are at most 0.3.","authors_text":"Daniel Smolyak, Naman Awasthi, Saad Mohammad Abrar, Vanessa Frias-Martinez","cross_cats":["cs.SI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2024-05-05T03:59:09Z","title":"Systematic analysis of the effectiveness of adding human mobility data to covid-19 case prediction linear models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.10304","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:ccc20880667c433c5e279ea88e59149624feb37d8692b72181a600d68121fd10","target":"record","created_at":"2026-07-05T08:43:42Z","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":"fb38403b0a236a92e132d3f8973dde67943b0c06d969fa93941cfbf154307198","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2024-05-05T03:59:09Z","title_canon_sha256":"990790f55d6b1a4f69bd10fd2e5c7f758c6fd95bc1eff6f4d3a1b5ab44ae0547"},"schema_version":"1.0","source":{"id":"2407.10304","kind":"arxiv","version":1}},"canonical_sha256":"19d6fce7a81d2cfbf7ae8edc9cf112dbc45b9452b20611ccb49173af00c8560d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19d6fce7a81d2cfbf7ae8edc9cf112dbc45b9452b20611ccb49173af00c8560d","first_computed_at":"2026-07-05T08:43:42.322567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:43:42.322567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/5roK3+WfZVvWvXLb4MMaGVvhiyjrntCOCNRwz2aL7ZdkYDIT6FkOyPZdaq0YhKXTzTWSCipxRvv2BM8gUjiCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:43:42.322946Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.10304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccc20880667c433c5e279ea88e59149624feb37d8692b72181a600d68121fd10","sha256:792cd9f9c7c73f497bf006ef203f380987388fdcd56458cc04d3f4071ee3c95c"],"state_sha256":"b99cf1dbf3c262c81973eb57fc5692f22b32f6b657f119ddb441b5a232a13c6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yfyVHwhNTckUKq7aVbWUkjnijlxLmpKL7CLHsAKHH8bg5HxHqy/Xn/7Y/nqbQCtA8kSP7peLbNNFwvlFIhinAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T17:39:36.108575Z","bundle_sha256":"eebaaef929cdfe626be88d07ae8952a9abb03294fd4de07446181673e3f084aa"}}