{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:JO2EWWWRJY2ZPMFW4X5YZSD267","short_pith_number":"pith:JO2EWWWR","schema_version":"1.0","canonical_sha256":"4bb44b5ad14e3597b0b6e5fb8cc87af7e1ce3996f3a2f770af2602f0acc524ef","source":{"kind":"arxiv","id":"2606.09296","version":1},"attestation_state":"computed","paper":{"title":"Satellite gravity constraints on inner core viscosity and LLVPs density anomalies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"physics.geo-ph","authors_text":"Fred D. Richards, Hao Ding, Jiancheng Li, Weiping Jiang, Wenbin Shen, Yachong An","submitted_at":"2026-06-08T10:05:20Z","abstract_excerpt":"Constraining the physical properties of Earth's deep interior, particularly the viscosity of the solid inner core and the density structure of large low-velocity provinces (LLVPs), remains a major challenge in geophysics. Here we develop a unified dynamical framework that combines mantle-inner core gravitational coupling (MICG) with torsional oscillations in the fluid outer core and show that their interaction can produce a distinct and testable geodetic signature. Guided by this prediction, we analyze satellite gravity observations together with independent corrections for surface mass variab"},"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":"2606.09296","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-06-08T10:05:20Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"605190cfc0c5dafa4aad7dccb3203fb10acd6a8c1c56029c21d940a1b2711bdf","abstract_canon_sha256":"c52e95057e7dc60e1f7f908d7542b66b16785996da7f86ce4dc305039cc629d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:08:13.249537Z","signature_b64":"DX/Dan4hCMkKJ4Q7uDGa3mWHwv4mmpNgTNi9Xt1V3IAtp+ZaYunkwbkmqfe/Z9GND+lNDsgos0M6yjuiQpnSCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bb44b5ad14e3597b0b6e5fb8cc87af7e1ce3996f3a2f770af2602f0acc524ef","last_reissued_at":"2026-06-09T02:08:13.248623Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:08:13.248623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Satellite gravity constraints on inner core viscosity and LLVPs density anomalies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"physics.geo-ph","authors_text":"Fred D. Richards, Hao Ding, Jiancheng Li, Weiping Jiang, Wenbin Shen, Yachong An","submitted_at":"2026-06-08T10:05:20Z","abstract_excerpt":"Constraining the physical properties of Earth's deep interior, particularly the viscosity of the solid inner core and the density structure of large low-velocity provinces (LLVPs), remains a major challenge in geophysics. Here we develop a unified dynamical framework that combines mantle-inner core gravitational coupling (MICG) with torsional oscillations in the fluid outer core and show that their interaction can produce a distinct and testable geodetic signature. Guided by this prediction, we analyze satellite gravity observations together with independent corrections for surface mass variab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09296","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/2606.09296/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.09296","created_at":"2026-06-09T02:08:13.248785+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.09296v1","created_at":"2026-06-09T02:08:13.248785+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09296","created_at":"2026-06-09T02:08:13.248785+00:00"},{"alias_kind":"pith_short_12","alias_value":"JO2EWWWRJY2Z","created_at":"2026-06-09T02:08:13.248785+00:00"},{"alias_kind":"pith_short_16","alias_value":"JO2EWWWRJY2ZPMFW","created_at":"2026-06-09T02:08:13.248785+00:00"},{"alias_kind":"pith_short_8","alias_value":"JO2EWWWR","created_at":"2026-06-09T02:08:13.248785+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/JO2EWWWRJY2ZPMFW4X5YZSD267","json":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267.json","graph_json":"https://pith.science/api/pith-number/JO2EWWWRJY2ZPMFW4X5YZSD267/graph.json","events_json":"https://pith.science/api/pith-number/JO2EWWWRJY2ZPMFW4X5YZSD267/events.json","paper":"https://pith.science/paper/JO2EWWWR"},"agent_actions":{"view_html":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267","download_json":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267.json","view_paper":"https://pith.science/paper/JO2EWWWR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.09296&json=true","fetch_graph":"https://pith.science/api/pith-number/JO2EWWWRJY2ZPMFW4X5YZSD267/graph.json","fetch_events":"https://pith.science/api/pith-number/JO2EWWWRJY2ZPMFW4X5YZSD267/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267/action/storage_attestation","attest_author":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267/action/author_attestation","sign_citation":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267/action/citation_signature","submit_replication":"https://pith.science/pith/JO2EWWWRJY2ZPMFW4X5YZSD267/action/replication_record"}},"created_at":"2026-06-09T02:08:13.248785+00:00","updated_at":"2026-06-09T02:08:13.248785+00:00"}