{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HRR3YI5NOXECL5CGLNQWMDPOEX","short_pith_number":"pith:HRR3YI5N","schema_version":"1.0","canonical_sha256":"3c63bc23ad75c825f4465b61660dee25eb4ec1b932f45bf1e024cd61a2e6a30c","source":{"kind":"arxiv","id":"1606.02708","version":2},"attestation_state":"computed","paper":{"title":"Correlation Analysis for Total Electron Content Anomalies on 11th March, 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD","physics.data-an"],"primary_cat":"physics.geo-ph","authors_text":"Ken Umeno, Takuya Iwata","submitted_at":"2016-06-08T06:57:59Z","abstract_excerpt":"We can observe the changes of Total Electron Content, TEC, in ionosphere by analyzing the data from GNSS satellites. There are many reports about TEC anomalies after earthquakes, i.e. large earthquakes often disturb the ionosphere. Up to now, preseismic TEC anomalies have been reported in several papers. However, they are not so clear as coseismic TEC anomalies, and their analysis methods have some problems for practical earthquake prediction. One factor making it difficult to detect TEC anomalies is large noises in TEC data. Non-negligible TEC disturbances are caused by many natural mechanism"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1606.02708","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2016-06-08T06:57:59Z","cross_cats_sorted":["nlin.CD","physics.data-an"],"title_canon_sha256":"8ad96233d710fa46f804b0624577aebdc760e3cecc68d665269585c6aede37d2","abstract_canon_sha256":"8299b04047993cd8e528e259796f7a09e403e6619c65fcccfa071dfafda08e32"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:37.607622Z","signature_b64":"QnWE3gE7SUYl1bnfxOEleZOAdVV5uicaSy+RKv0eFPgsyt2ZLh7ZlveCyMTltAgkdPRB98r4wbSTNmNA0acuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c63bc23ad75c825f4465b61660dee25eb4ec1b932f45bf1e024cd61a2e6a30c","last_reissued_at":"2026-05-18T01:12:37.607202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:37.607202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Correlation Analysis for Total Electron Content Anomalies on 11th March, 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD","physics.data-an"],"primary_cat":"physics.geo-ph","authors_text":"Ken Umeno, Takuya Iwata","submitted_at":"2016-06-08T06:57:59Z","abstract_excerpt":"We can observe the changes of Total Electron Content, TEC, in ionosphere by analyzing the data from GNSS satellites. There are many reports about TEC anomalies after earthquakes, i.e. large earthquakes often disturb the ionosphere. Up to now, preseismic TEC anomalies have been reported in several papers. However, they are not so clear as coseismic TEC anomalies, and their analysis methods have some problems for practical earthquake prediction. One factor making it difficult to detect TEC anomalies is large noises in TEC data. Non-negligible TEC disturbances are caused by many natural mechanism"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02708","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1606.02708","created_at":"2026-05-18T01:12:37.607264+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.02708v2","created_at":"2026-05-18T01:12:37.607264+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02708","created_at":"2026-05-18T01:12:37.607264+00:00"},{"alias_kind":"pith_short_12","alias_value":"HRR3YI5NOXEC","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HRR3YI5NOXECL5CG","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HRR3YI5N","created_at":"2026-05-18T12:30:19.053100+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX","json":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX.json","graph_json":"https://pith.science/api/pith-number/HRR3YI5NOXECL5CGLNQWMDPOEX/graph.json","events_json":"https://pith.science/api/pith-number/HRR3YI5NOXECL5CGLNQWMDPOEX/events.json","paper":"https://pith.science/paper/HRR3YI5N"},"agent_actions":{"view_html":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX","download_json":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX.json","view_paper":"https://pith.science/paper/HRR3YI5N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.02708&json=true","fetch_graph":"https://pith.science/api/pith-number/HRR3YI5NOXECL5CGLNQWMDPOEX/graph.json","fetch_events":"https://pith.science/api/pith-number/HRR3YI5NOXECL5CGLNQWMDPOEX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX/action/storage_attestation","attest_author":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX/action/author_attestation","sign_citation":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX/action/citation_signature","submit_replication":"https://pith.science/pith/HRR3YI5NOXECL5CGLNQWMDPOEX/action/replication_record"}},"created_at":"2026-05-18T01:12:37.607264+00:00","updated_at":"2026-05-18T01:12:37.607264+00:00"}