{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HHJDV3LJO5UZUDNHCXXNSPS4CZ","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":"0f0b80cd50867ff7b42ffda896bb1c279b379c9be421bb5c7e38081af98691fd","cross_cats_sorted":["cs.CY","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-08-01T11:21:09Z","title_canon_sha256":"bbb2fe5ff471d1095358e39e0fd60892145e4cd3d81842d225430af29c2aa3b3"},"schema_version":"1.0","source":{"id":"1408.0699","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0699","created_at":"2026-05-18T02:45:56Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0699v1","created_at":"2026-05-18T02:45:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0699","created_at":"2026-05-18T02:45:56Z"},{"alias_kind":"pith_short_12","alias_value":"HHJDV3LJO5UZ","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HHJDV3LJO5UZUDNH","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HHJDV3LJ","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:9a845503d09f8cce4a2d6c9ddc809343463d28965742535f0ec4220b6ad25c59","target":"graph","created_at":"2026-05-18T02:45:56Z","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":"Obtaining an accurate picture of the current state of the economy is particularly important to central banks and finance ministries, and of epidemics to health ministries. There is increasing interest in the use of search engine data to provide such 'nowcasts' of social and economic indicators. However, people may search for a phrase because they independently want the information, or they may search simply because many others are searching for it. We consider the effect of the motivation for searching on the accuracy of forecasts made using search engine data of contemporaneous social and eco","authors_text":"Paul Ormerod, R Alexander Bentley, Rickard Nyman","cross_cats":["cs.CY","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-08-01T11:21:09Z","title":"Nowcasting economic and social data: when and why search engine data fails, an illustration using Google Flu Trends"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0699","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:f5205083b40e05560c62e5de5886f2108b30b52b0420a39a9d0ec9ac8ac552c2","target":"record","created_at":"2026-05-18T02:45:56Z","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":"0f0b80cd50867ff7b42ffda896bb1c279b379c9be421bb5c7e38081af98691fd","cross_cats_sorted":["cs.CY","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-08-01T11:21:09Z","title_canon_sha256":"bbb2fe5ff471d1095358e39e0fd60892145e4cd3d81842d225430af29c2aa3b3"},"schema_version":"1.0","source":{"id":"1408.0699","kind":"arxiv","version":1}},"canonical_sha256":"39d23aed6977699a0da715eed93e5c165ca80fae65617558ac3fff1a8cf5526d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39d23aed6977699a0da715eed93e5c165ca80fae65617558ac3fff1a8cf5526d","first_computed_at":"2026-05-18T02:45:56.458202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:56.458202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Kxz22mw6W3gvbyp+4x75ouFDM41qU2bsPQN6xOy2jp9PW0yxsybPYtjIZ1ilMFt8BRSKf/waHDaJljSSISoCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:56.458807Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.0699","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5205083b40e05560c62e5de5886f2108b30b52b0420a39a9d0ec9ac8ac552c2","sha256:9a845503d09f8cce4a2d6c9ddc809343463d28965742535f0ec4220b6ad25c59"],"state_sha256":"20eb0ced46d006a961e86d5ac9a3f3a134d81d1fe6c5467730b030fe2f96396c"}